Upwork home
Sign up
Secondary

Hire the best Spring Security specialists

Check out Spring Security specialists with the skills you need for your next job.
Hire freelancers
Clients rate Spring Security specialists
Rating is 4.7 out of 5.
4.7/5
based on 178 client reviews
  2. Development & IT Talent
  3. Back-End Developers
  4. (Current) Spring Security Specialists
  • $56 hourly

    • 5.0/5
    • (18 jobs)
    I am working as Sr. Java Back-end Developer along with ReactJS experience with front-end. If you are finding someone passionate about reusable, clean code, secure applications and agile methodology follower, then you are viewing right profile!. I have 8+ years of experience in software industry with Java based technologies. I have been involved across all phases of project development life-cycle. I am expert at database design or create base architecture for J2EE web applications. I have hands on experience in the following areas: ➤ Core Java ➤ JavaEE ➤ Alfresco Development (v4.2+) ➤ Spring MVC, ZK (ZKoss) ➤ Spring Security ➤ Spring DATA/JPA/Hibernate ➤ MySQL (database design and complex query expert) ➤ JSP/JSTL ➤ Jasper-Reports/Dynamic Jasper Reports ➤ Twitter bootstrap ➤ Lucene/Solr ➤ Indexing/Searching ➤ Tomcat/JBOSS ➤ GIT/SVN/CVS/P4V(Perforce) ➤ Struts 2.0 ➤ JIRA/Agile Looking forward
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Amazon Web Services
    Docker
    JavaScript
    React
    RESTful API
    Web Service
    MySQL Programming
    Jakarta Server Pages
    AWS Lambda
    Amazon DynamoDB
    Spring Boot
    Spring Framework
    Java
  • $20 hourly

    • 5.0/5
    • (2 jobs)
    Hi there, If you are looking for Expert in Java / Spring Developer with 5+ years of professional experience in Web Development Experienced in full lifecycle development across multiple applications. I possess a board range of technical skills which I update on a regular basis, allowing me to respond to new issues with considerable speed. If you have an interesting start-up project or you want to improve your existing Java applications then I am ready to help you! I have good communication skills and friendly developer, was working in Agile team and delivering features on a weekly basis. Technology Stack / Tools I have experience with: - Design patterns and Clean Code Structure: SOLID, Singleton Pattern - Frameworks: Spring Framework, Spring Boot - ORM: JPA, Hibernate, JDBC - Databases: PostgeSQL, Oracle, MySQL - Messaging Queue: Kafka, RabbitMQ - Caching: Redis - Build Tools: Maven - Frontend: HTML, CSS, React js - Version Control System: Git, GitHub, GitLab - Documentation: Swagger, Postman - Continious integration: CI/CD, Jenkins - Containerization Platform: Docker - Test: JUnit 5 / Mockito - Architectures : Monolithic, Microservices - Other Technologies: Spring MVC / Spring Data / Spring Security / Spring Web Services / Spring JSP / Servlet API / Spring Cloud / OAuth 2.0 / AWS / WebSocket - Other language : C++ core, Python basics I focus on work that I can be proud! I’m looking forward to work with You. Feel free to invite me to your projects and discuss it further. Regards, Firdavs
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Front-End Development
    Problem Solving
    Communications
    Spring Framework
    Spring Boot
    Spring MVC
    Hibernate
    Database
    PostgreSQL
    Java
    JDBC
    RESTful API
    Git
    MySQL
  • $55 hourly

    • 4.8/5
    • (160 jobs)
    ⭐⭐⭐ "Unni did excellent work! Trustworthy and capable. Great communication" ⭐⭐⭐ ⭐⭐⭐"Am writing this review to express my deep gratitude and appreciation for Unni's remarkable contribution to our project. Unni has demonstrated an exceptional ability in managing a complex integration task, a challenge that had previously stymied the efforts of five other individuals". ⭐⭐⭐ ⭐ I am senior developer specializing in Back-End and Cloud development. 👑 24 years of professional application development experience ✅ 150 ➕ Jobs ✅ 150 ➕ Reviews ✅ 3000 ➕Hours I have worked with ⭐High Profile clients⭐ in my Career which I have listed some of them below: ✅ FirstTennessee (Fortune 500) ✅ Amex (Fortune 500) ✅ EDB Norway ✅ ICICI Bank My core expertise and experience are: ✅ Android Application development ✅ Web development using Java 8, Spring Boot framework, JavaScript, HTML 5 ✅ Back end development with Java 8, Spring Boot frame work ✅ REST API development using Spring Boot ✅ Desktop development using Swing and JavaFX ✅ Micro services with Spring Boot ✅ Experience in Graph algorithms ✅ Bitcoin and Block chain development using Bitcoinj frame work ✅ Eclipse RCP development ✅ Open source application modification and development ✅ ChatGPT ✅ Java - 12+ years ✅ Java 8 - 5 years ✅ JavaScript - 5+ years ✅ Spring Boot - 3 + years ✅ Spring Framework - 3 + years ✅ React ✅ GraphQL ✅ AWS ✅ AWS Lambda ✅ Cloud Development ✅ AWS Amplify ✅ Aws AppSync ✅ DynamoDB ✅ Quarkus framework ✅ Micronaut ✅ CI/CD ✅ Android - 2 + years ✅ Spring Security - 2+ years ✅ WebRTC , WebSocket - 2+ years ✅ Python - 1+ year ✅ Node.js - 1 + year ✅ Play Frame work - 1 year ✅ GIS Development - 1 year I would like to go the extra mile to meet customer expectations for every project I am doing with 100% quality. I am looking for long-term association with clients to get complete benefits and am interested in achieving their business objectives and goals.
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Apache Kafka
    API Development
    Micronaut
    Spring Boot
    Core Java
    Apache Maven
    Spring Framework
    GraphQL
    Android
    Android App Development
    Python
    Firebase
    Java
    JavaScript
  • $40 hourly

    • 4.8/5
    • (141 jobs)
    Greetings, I am a seasoned full-stack developer with over 10 years of expertise in Java technologies, specializing in the end-to-end software development life cycle. My proficiency extends to agile methodologies, ensuring the successful implementation of web applications. Technical Proficiency: - Java: Extensive experience in J2SE, J2EE, JDBC, REST, Servlets, Swing, AWT, Java Beans, and Java Mail. - Frameworks: Proficient in Spring MVC, Spring Boot, Spring Integration, Spring Security, and Struts. - Database: Skilled in RDBMS (PostgreSQL, MySQL, Oracle, MSSQL) and NoSQL (ElasticSearch, Neo4J, MongoDB, Redis, Memcached). - AWS: Hands-on expertise in AWS services like Lambda, S3, CloudFront, EC2, Elastic Beanstalk, and RDS. - JavaScript: Proficient in TypeScript, JQuery, NodeJS, Angular JS, and Angular 10+. - Design: Skilled in Bootstrap 3, Custom CSS Design, Media Query, HTML5, JSP, and Thymeleaf. - Testing: Experienced in JUnit, Spring Test, Mockito, MockMVC, Integration Test, and Unit Test. - Chrome Extensions: Expertise in designing and developing Chrome extensions for enhanced browser functionality. Client's Feedback: ⭐⭐⭐⭐⭐ "Parth has good experience in both backend and frontend technologies. He is willing and capable of learning new skills, and implementing them in live projects. He has been vary available in just brainstorming possible solutions to unrelated tasks. Parth works with very minimal guidance, which really helps in saving a lot of customers time, in planning the requirements. Needless to say, he is a complete professional in project management, be it delivery or team communications. I would highly recommend him for your next project." ⭐⭐⭐⭐⭐ "Parth is a hard worker and always meets deadlines ahead of schedule. I'd highly recommend him to anyone looking for high quality web development work!" ⭐⭐⭐⭐⭐ "Very good experience, he solved some problems we can't solve by ourself in a very good and fast way! Good communication and perfect adherence to schedule" ⭐⭐⭐⭐⭐ "Parth has delivered the work within the time agreed. I appreciate very much about his availability, commitment to schedule, flexibility in dynamic situations and co-operation in the implementation. I would look forward to work with Parth again in the future and would recommend him very much for web site development." ⭐⭐⭐⭐⭐ "Parth is an extremely efficient and thorough programmer. He always delivers high quality code very quickly. I would recommend Parth to anyone needing backend development." ⭐⭐⭐⭐⭐ "Parth is sensational to work with, exceptionally knowledgeable, goes above and beyond for his customer. In addition provides sound direction and clean, working code. Highly recommend for full stack development. Very much looking forward to working with him again." I am passionate about delivering innovative solutions. I look forward to contributing to your success. Thank you for considering my profile. Best Regards, Parth
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Web Service
    Data Scraping
    MongoDB
    Amazon Web Services
    Java
    Web Development
    Microservice
    Google Chrome Extension
    Hibernate
    API Integration
    PostgreSQL
    Spring Framework
    Angular
    Browser Extension
  • $40 hourly

    • 5.0/5
    • (76 jobs)
    **EXPERT VETTED BY UPWORK and among Top 1% talent on Upwork** I am a Full-Time Freelance IT consultant with more than 12 years of rich and varied experience in providing solutions to clients in various domains in the form of – • Full stack web application development • Enterprise applications development • Backend web services development • Desktop application development • Cloud infrastructure development I have extensive experience of developing applications in - Java, J2EE, Spring, JPA, Hibernate, Angular, Typescript and React Framework. BACKEND DEVELOPMENT - I have worked upon and developed backed of at least 100 different applications to date, which involves extensive experience working with Event Driven Architecture, Micro services architecture and Backend Web Services development. I also have strong hands-on experience and rely heavily upon TDD and BDD approach of Software development FRONT-END DEVELOPMENT - At the front-end, my expertise lies in working with – • JSP • JSF • Vaadin • JavaScript • HTML5 • CSS • Ajax • Bootstrap DESKTOP APPLICATION DEVELOPMENT - I have strong knowledge and experience of working with and developing Desktop applications using Java Swing and JavaFX. I have experience in developing applications for Mac, Windows as well as Linux. CLOUD INFRASTRUCTURE DEVELOPMENT - • 9x AWS Certified and "Microsoft Certified" Azure Solutions Architect Expert. • Extensive experience with using Docker, Kubernetes, Terraform. • Dockerisation and Orchestration, automating CI/CD Pipelines, VPN Setup, Monitoring and Logging, Cloud Cost Optimisation are my Forte. • Active user of AWS and Azure and excellent in picking cost-effective and secure solutions using these platforms. OTHER PROFICIENCIES - • Skilled in SQL as well as NoSQL programming. - Relational Databases - Postgres, MySQL, SQL Server, Oracle and DB2. - Non-Relational databases - MongoDB, DynamoDB • Skilled with ElasticSearch and Redis SOFT SKILLS – • Individualistic personality – who likes to find solutions. • Strong work ethic - my past work can vouch for this. • Positive attitude- comes in handy, while solving complex problems. • Excellent command over English language. • Excellent Communication skills. • Believes in Team work and joint efforts - can mingle into your current team easily. • Leadership skills - can lead and take up responsibility, even in difficult situations. • Highly dedicated personality - I don’t get bogged down by hiccups, and work to sail my way through them. As I am working in a highly dynamic field, so I keep updating myself with latest trends and developments in the field of software development, thus ensuring HIGH VALUE WORK for my clients. My technical capabilities, hardworking nature and past record of providing value to my clients can be vouched by client reviews on my profile. Thanks & Cheers!
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Cloud Computing
    CI/CD
    SQL Programming
    J2EE
    DevOps
    Microsoft Azure
    Amazon Web Services
    RabbitMQ
    Hibernate
    Microservice
    RESTful API
    Spring Boot
    Spring Framework
    Java
  • $20 hourly

    • 5.0/5
    • (8 jobs)
    Hey Guys! I'm a seasoned 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 (𝗝𝗮𝘃𝗮) 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 with 7 years of strong experience in software development with fluent English (𝗨𝗽𝘄𝗼𝗿𝗸 𝘃𝗲𝗿𝗶𝗳𝗶𝗲𝗱). I've actively participated in all development phases and developed complex web applications by ensuring high performance and responsiveness with the collaboration of cross-functional and remote teams worldwide. 𝗠𝘆 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬: Spring boot, Spring Security, Hibernate, Web Services, Java EE, JPA, Spring MVC, Spring Rest, Spring data, REST APIs, AngularJS, ReactJS, HTML5, CSS3, Microservices (AWS, Azure). etc 𝐓𝐞𝐬𝐭𝐢𝐧𝐠: JUnit 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀: MySQL, Oracle, Postgresql, Cassandra, NoSQL solutions. 𝗔𝗱𝗱𝗶𝘁𝗶𝗼𝗻𝗮𝗹 𝗦𝗸𝗶𝗹𝗹𝘀: Cloud platforms, CI/CD, Agile methodologies, project management. 𝗜 𝘄𝗼𝗿𝗸 𝗱𝗶𝗹𝗶𝗴𝗲𝗻𝘁𝗹𝘆, 𝗲𝗻𝗷𝗼𝘆 𝗱𝗶𝘀𝗰𝗼𝘃𝗲𝗿𝗶𝗻𝗴 𝗻𝗲𝘄 𝗶𝗱𝗲𝗮𝘀, 𝗮𝗻𝗱 𝗲𝘅𝗰𝗲𝗹 𝗮𝘁 𝗼𝘃𝗲𝗿𝗰𝗼𝗺𝗶𝗻𝗴 𝘁𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗰𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲𝘀 𝘁𝗼 𝗰𝗿𝗲𝗮𝘁𝗲 𝗽𝗼𝘄𝗲𝗿𝗳𝘂𝗹, 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀. 𝗜𝘁'𝘀 𝗻𝗼𝘁 𝗷𝘂𝘀𝘁 𝗮𝗯𝗼𝘂𝘁 𝘁𝗵𝗲 𝗷𝗼𝗯—𝗶𝘁'𝘀 𝗺𝘆 𝗽𝗮𝘀𝘀𝗶𝗼𝗻. 🏭 𝐈𝐍𝐃𝐔𝐒𝐓𝐑𝐘 𝐄𝐗𝐏𝐄𝐑𝐈𝐄𝐍𝐂𝐄 ► 𝗛𝗲𝗮𝗹𝘁𝗵𝗰𝗮𝗿𝗲: (Built a secure patient portal, increasing patient engagement by 30%) ► 𝗙𝗶𝗻𝗮𝗻𝗰𝗲: (Led platform development initiatives, boosting transaction processing speed by 25%.) ► 𝗘-𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲: (Enhanced user experience through streamlined checkout process and personalized product recommendations) ► 𝗔𝗴𝗿𝗶𝗰𝘂𝗹𝘁𝘂𝗿𝗲: (Implemented IoT solutions for crop monitoring, leading to a 20% increase in yield efficiency) I actively engage in code reviews, troubleshoot and resolve issues across the stack, thoroughly document solutions, and consistently stay updated on the latest technologies and best practices in web development. I Possess outstanding communication and collaboration skills, adept at excelling independently or as a valuable team member. 🌬️ 𝐅𝐥𝐞𝐱𝐢𝐛𝐥𝐞 𝐂𝐨𝐥𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐢𝐨𝐧𝐬: 🌍 Global Timezones: I'm adept at working in various global timezones, ensuring smooth project coordination regardless of geographical differences. 👥 𝐃𝐢𝐯𝐞𝐫𝐬𝐞 𝐓𝐞𝐚𝐦𝐬: I thrive in collaborating with diverse, multicultural teams, bringing a breadth of perspectives and ideas to the table. 🔊 𝐄𝐟𝐟𝐞𝐜𝐭𝐢𝐯𝐞 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧: I prioritise transparent and open communication channels, providing regular updates and fostering engagement among stakeholders. 📈 𝐑𝐞𝐬𝐮𝐥𝐭𝐬-𝐃𝐫𝐢𝐯𝐞𝐧 𝐀𝐩𝐩𝐫𝐨𝐚𝐜𝐡: Committed to delivering results efficiently, meeting project milestones, and exceeding client expectations through my remote work experience. 🗣️ 𝐋𝐞𝐭'𝐬 𝐂𝐨𝐧𝐧𝐞𝐜𝐭: Tap the "Invite" button to discuss how we can collaborate effectively on your projects, leveraging my expertise in Full-Stack Web Development and delivering secure, engaging solutions with Java. 𝐊𝐞𝐲𝐰𝐨𝐫𝐝𝐬: #FullStackDev #Java #FrontendDev #BackendDev #WebDev #SecureWeb #JavaEE #SpringFramework #JavaServlets #JSP #JavaScript #HTML #CSS #ResponsiveWebDesign #RESTfulAPIs #SQL #MySQL #PostgreSQL #MongoDB #Authentication #Authorization #SessionManagement #ObjectOrientedProgramming #OOP #TestDrivenDevelopment #TDD #Agile #VersionControl #Git #DevOps #CI #CD #ScalableSolutions #PerformanceOptimization #AWS #Azure #GCP #CloudComputing #React #Angular #VueJS #Bootstrap #UnitTesting #Selenium #Cypress #Monitoring #Alerting #JAMstack #Serverless #API #GraphQL #Microservices #SoftwareEngineer #Docker #Kubernetes
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Web Development
    RESTful API
    Microservice
    Spring MVC
    Spring Data
    Spring Data JDBC Extensions
    Java Collections Framework
    Java Servlet API
    Spring Framework
    Spring Cloud
    Hibernate
    Spring Boot
    Core Java
    Java
  • $55 hourly

    • 5.0/5
    • (4 jobs)
    💡If you want to build a new website or have some modifications on the existing website... or looking for a script... I can help. 🙏 Hi, My name is Subhash and I am having a Masters in computer applications(MCA). 💡I develop enterprise products and online solutions that help clients for their business and nurture them towards a sale. Unlike my competitors, I do well managed/commented code to ensure that anyone can easily work on it later on. 💡My true passion is creating robust, scalable and cost-effective solutions using mainly Java, Open source technologies. During the last 8 years, I am working with, Back-end______💻Front-end 📍Java/JEE____📍Angular (2 to 9) 📍Hibernate___📍Bootstrap 📍REST/SOAP_📍JavaScript / TypeScript 📍JPA________📍JQuery/Ajax _____________📍HTML5/CSS3/JSP 🍃Spring Framework__Databases____App/Web Servers 📍Spring-core_______📍PostgreSQL_📍 Apache Tomcat 📍Spring MVC_______📍MySQL_____📍 Nginx 📍Spring security____📍OracleDB 📍Spring Data_______📍MSSQL 📍Spring ORM 📍Spring Microservices 🔍Searching______☁️Cloud services 📍ElasticSearch___📍AWS EC2 📍Logstash_______📍AWS RDS 📍Kibana_________📍AWS Lambda 📍Lucene________📍AWS S3 📍Apache Solr____📍AWS ElasticSearch 🎯Are you looking for the Developer with a well-documented bugs-free code?🎯Read more ⬇️ Why me? 📱 Full-cycle custom website development 📱 Responsive website implementation 📱 Accessibility (IST) 📱 API integrations (Google, Facebook, Instagram, Twitter, GitHub, ) 📱 Quality team player / Team lead What do clients appreciate working with me? ✅ Proactivity (I take initiative and responsibility for all what I do) ✅ Trust (I value the trustful relationship and keep it up as a long term goal) ✅ Attitude (I care about your project and business as my own) ✅ Long Term relationship (I strive to make the customer happy and keep the relationship long term) 💡I have experience in software development, leading teams across the globe. Our 5-step Approach 👣 Requirements Discussion + Prototyping + Visual Design + Backend Development + Support = Success! Usually, we customize that process depending on the project's needs and final goals. How to start? 🏁 Every product requires a clear roadmap and meaningful discussion to keep everything in check. But first, we need to understand your needs. Let’s talk! 💯 Working with me, you will receive a modern good looking application that will meet all guidelines with easy navigation, and of course, you will have unlimited revisions until you are 100% satisfied with the result. Keywords that you can use to find me: Java Developer, Web Developer, ElasticSearch Developer, Angular Developer, Team lead, Tech lead, Corporate, IT, Tech, Technology.
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Software Architecture & Design
    RESTful API
    PostgreSQL
    Spring Framework
    Oracle Database
    Hibernate
    Java
    Angular
    Amazon EC2
    Data Access Layer
    Spring MVC
    SaaS
    Spring Boot
  • $30 hourly

    • 5.0/5
    • (41 jobs)
    ✅ Spring, Spring Boot, Spring Cloud, Spring Security ✅ Hibernate, JPA, JDBC ✅ PostgreSQL, Oracle, MySql, MongoDB, Flyway, Liquibase, Redis, Athena, Hazelcast ✅ REST API, SOAP, gRPC, GraphQL ✅ Kafka, RabbitMQ, ActiveMQ, Artemis, AWS SQS ✅ Keycloak, Apache Camel ✅ Microservices architecture: API Gateway, Service discovery (kubernetes), configuration, etc. ✅AWS Services ✅Kubernetes, Docker ✅Elastic Search, Apache Solr ✅Angular, ReactJS ✅Kotlin ✅Apache POI I am a Java professional with 9 years of experience. I have strong understanding and knowledge of the object-oriented approach, software engineering principles, and concepts. I have an incredible attention to detail and perseverance in getting the job done, and done it well.
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Kubernetes
    AWS Development
    REST API
    Angular
    Kotlin
    Spring Boot
    Spring Framework
    Elasticsearch
    Hibernate
    Apache ActiveMQ
    Java
    Apache Kafka
    Apache Solr
    Docker
  • $35 hourly

    • 4.8/5
    • (21 jobs)
    ✔Expert in Java ✔5000+ Hrs worked on Upwork ✔16+yrs Experience ✔Problem Solver Sun Certified Java Programmer with 16+ Years of Professional Experience in Enterprise Application Development. I have excellent Coding Skills and follow Industry Standards to code Scalable Applications that can be deployed on Cloud or On-Premises or Container or Kubernetes or Hybrid Platform. ✅I specialize extensively in Java: ✓ Back-End Frameworks: Spring Boot, Spring, Hibernate, JPA, JSP, Servlets, Java ✓ Front-End Frameworks: Angular, ReactJS, JQuery, and JavaScript ✓ Other Frameworks: Apache Storm, Hadoop, JPPF, ElasticSearch, Hazelcast, Spring Cloud ✓ Cloud Computing: AWS, Google Cloud, Digital Ocean, and Heroku ✓ Security: OAuth2, OpenID Connect, JWT, LDAP, X.509, Kerberos, Social Logins, SSO ✓ Databases: MS SQL, MySQL, Oracle, PostgreSQL, MongoDB, HBase ✓ CI/CD and monitoring: CI/CD using Gitlab, CI using Jenkins and Bamboo, Kubernetes ✓ Agile Methodology: Scrum and Kanban using project management tools like Jira, Pivotal Tracker, Gitlab, etc. ✅My core competence lies in providing End-to-End Solutions to Enterprise Application Development for the Financial, Marine, and Telecom domains. ✅ How can I help you ✓ I can handle your all end-to-end requirements analysis, development & delivery so you can focus on your sales & operations ✓ I can extend/develop your MVP product to production-ready ✓ I can develop products from scratch until the final delivery and support with maintained code quality and proper code coverage ✓ I can choose the right technology stack and tools for your solution based on real needs and can save costs ✓ I can manage the team, do code reviews, handle CI/CD and releases, support live systems ✓ I can understand and implement the most difficult parts of software systems ✅ Expert Areas ✓ Java-based back-end frameworks like Spring Modules (Spring MVC, Spring Security, Spring AOP, Spring Rest, Spring Data/JPA) ✓ Microservice & Cloud native architecture for developing SaaS-based system ✓ RDBMS (MySQL, PostgreSQL, Oracle) ✓ Docker, Kubernetes, OpenId, SSO, SAML, ✓ Graph/Document Databases MongoDB and DynamoDB ✓ Microservices-based architecture implementation with Spring boot, Spring Integration, and Apache Camel ✓ AWS experience with Serverless, RDS, SQS, SNS, SES, S3, VPC, Cloudformation, ECS, Lambda, Cognito and EC2 ✓ AWS API implementation experience ✓ Queue-based implementations with RabbitMQ, ActiveMQ, SQS, and SNS ✓ Test-driven development implementation with unit and integration test cases with JUnit/TestNG + Mockito + Spring ✓ Database integration frameworks like JDBC/Hibernate/Sprint Data (ORM) and Spring Mongo ✓ REST-based Web Service/API implementation with Spring REST ✓ CI/CD implementation with (Bamboo + Jenkins + Maven + Nexus + GIT(Bitbucket/Gitlab/Github) ✓ Payment Gateways implementations like Stripe with Debit/Credit Card Integration ✓ Solr/Lucene/ElasticSearch search engine integration ✓ Agile Methodology ✓ Experience with implementing very complex queries with MySQL DB ✓ Java-based Servers Tomcat/JBoss ✓ Repositories like Git, SVN
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    AWS CloudFormation
    J2EE
    OAuth
    Stripe
    AWS Lambda
    Hibernate
    API Integration
    Java Persistence API
    HTML
    MongoDB
    Spring Framework
    Amazon Web Services
    Java
    Jakarta Server Faces
  • $45 hourly

    • 4.7/5
    • (13 jobs)
    An agile and ambitious software engineer with strong technical background who possesses self-discipline, hardworking, quick learning, good team spirit and honesty. That is how I have managed to work over 150+ hours here on Upwork with 100% client satisfaction rate. Software developers with more than 6 years of work experience with clients in developing micro-service architecture based web applications using JAVA, SPRING BOOT, SPRING CLOUD. Expertise: ========== 1- Spring Boot (Maven, Rest Services, Single Deployable and maintainable) 2- Spring Cloud ( Rabbit MQ, Apache Camel, JPA, Zul API GateWay / Outh GateWay, Ribbon ) 3- Spring Security (Authentication, Authorization, Xss, CSRF, Injection, SSL, HTTPs, Encoding, Decoding, Encrypting, Decrypting) 4- API Documentation (Swagger) 5- Software testing 6- DataBase (MySql) 7- Hibernate ORM As senior developer, I maintain, Develop, Test, Improve, Document, Fix Issues, and respond to user requirement. I am a skilled in developing applications through all phases of SDLC, using advanced methodologies, work closely with clients and senior management providing solutions.
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Amazon Web Services
    PostgreSQL
    MongoDB
    Kubernetes
    AWS Lambda
    Angular
    Java
    Microservice
    MySQL Programming
    Spring Cloud
    MySQL
    Spring AMQP
    Java Persistence API
    Spring Boot
  • $50 hourly

    • 5.0/5
    • (32 jobs)
    An agile and ambitious software engineer with a strong technical background who possesses self-discipline, hardworking, quick learning, good team spirit, and honesty. 13+ years of experience in software development for enterprise-level applications using arrays of technologies. ➢ Strong Programming skills, in designing and implementation of multi-tier applications using Spring Boot, Spring MVC, Java-J2EE, ASP.Net MVC, .Net Core, Node, Express, Struts, JSF, CDI, Spring Data JPA, JPA, Hibernate, Spring Rest, Spring Data JPA, Spring Security, Kafka, liquibase etc. ➢ Efficient in working with Dockerfile, Docker-Compose & Docker Containers. ➢ Extensive experience in working with JavaScript/TypeScript languages, frameworks, libraries, and technologies such as React JS/ Angular. ➢ Extensive experience in working with CSS3, HTML5, SCSS, and their frameworks such as Bootstrap, Material UI, etc. ➢ Strong experience in all the phases of software development life cycle including requirements gathering, analysis, design, implementation, deployment and support. Technologies I work on: J2EE - Spring - Spring - Boot - Spring- Security - Maven/Gradle - Apache Kafka - Redis - JMS/Rabbit MQ - Spring Data JPA - Hibernate JavaScript : - ES6 - jQuery - Angular - React JS - Node - Express - TypeOrm/ Sequilize Python: - Flask - Django Testing: - Rest Assured - Junit - TestNG - Mockito Reporting : - Jasper Report. DB: - Mysql - MSSQL - PostgreSQL - Oracle - MongoDB
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Spring MVC
    J2EE
    Microservice
    API Development
    SQL
    Node.js
    TypeScript
    Python
    React
    API Integration
    Spring Framework
    JHipster
    Spring Boot
    Java
  • $25 hourly

    • 4.9/5
    • (12 jobs)
    Hi, I am senior developer having extensive 7+ years of rich experience in this technology world, with cutting-edge technology, utilizing strong implementation skills such as Java, J2EE, Spring, Hibernate, Kotlin and most importantly, Liferay 7.X and 6.X to drive results that transform corporate vision and strategy into profitability. Fully experienced with the planning, management. I have experience working as a Developer, Architect and Team Leader. As a developer I make modular, clean, object-oriented and well-commented code, always aiming for quality and intelligence in the solutions. My solutions are complete, front-end to back-end. I am providing end to end solutions for Portal & Enterprise applications. Experienced in all phases of the Software Development Life Cycle like requirement analysis, design, development, testing, deploying and maintaining applications. ★★ Experience and Expertise ★★ ♦ Built a music social network where users could create musical stories and share them with their followers. ♦ Led a small team of developers across native and back-end development, using agile methodologies. ♦ Interfaced with product and other executives to determine strategy and drive technical direction. ♦ Integrated data from multiple APIs including Facebook, Instagram, YouTube, Spotify, and Apple Music. ♦ Provided API development, DevOps, data harvesting, and search. ♦ Install and maintain the Splunk adds-on including the DB Connect, Active Directory LDAP for work with directory and SQL database. ♦Expert level programming experience in Spring Boot, Java Script, jQuery, RabbitMQ, AWS, Cloud foundry, React.JS, Angular JS 2, MongoDB, Jenkins, Kubernetes Cloud. ♦Experience in application server Spring Framework(5.2.7), APACHE-TOMCAT 7.0,Java J2EE(1.8+) ,JBOSS 4.2.2 and IDE such as Eclipse ♦ Experience using build tool MAVEN and GRADLE. ♦ Efficient to work independently or as part of a team. ♦ Analytical, adaptive and quick learning ability for new technologies ♦ Strong defect analysis, debugging and problem solving skills with excellent understanding of problem analysis methodologies, techniques and tools. ♦ Experience in version control tools like GIT, SVN (SUBCLIPSE 1.8 and Tortoise), GIT Ext. ♦ Familiarity with common stacks and databases (SQL Server, Oracle, DB2, PostgreSQL) ★★ Expertise in Liferay ★★ ♦ Liferay 7 (Community)/DXP Customization ♦ Liferay Environment Setup ♦ Liferay 7/DXP Theme Development ♦ Liferay addon Development with the old version ♦ Enterprise Portal Solutions ♦ Content Management Solution ♦ SSO with Liferay ♦ Liferay integration with LDAP, CAS, keyclock ♦ Liferay Portal Performance tuning ♦ Liferay migration and upgrade ♦ Liferay workflow management ♦ Liferay Elastic search integration ♦ Liferay clustering ♦ Amazon web services ♦ Maintenance and Support for the existing system ♦ Liferay Portal 5/6/7+ (portlets, hooks, themes, ext, setup, integrations) ♦ Payment Gateway Integration with Java/Liferay application ★★★ Technical Skills ★★★ ♦ J2EE, S, Spring Boot, Java Script, query, RabbitMQ, AWS, Cloud foundry, Angular JS 2, MongoDB, Jenkins, Cabernets Cloud, Lightweight Directory Access Protocol (LDAP), ♦ IDE: Eclipse, Oxygen.3a Release (4.7.3a) ♦ Framework: Struts 1.1, Spring 4, Hibernate 5, Spring boot 1 ♦ Web Technologies/ Development: JSP, query, Servlets, Java Script, Web Services, HTML, AJAX, Angular Js ♦ Application/Web Server: APACHE TOMCAT 7.0, JBOSS 4.2.2 ♦ Database: MySQL5.5, Oracle 11g, Cassandra 3.11.2 ★★★ Expertise in Android ★★★ ♦ Programming language : Java, Kotlin ♦ Web Service : XML/JSON, REST/SOAP ♦ Networking Library : AFNetworking/Alamofire, Fast-Android-Networking ♦ JSON Parser : Android-JSON parser ♦ Chat and Messaging Engine : Twilio, XMPP, Quickblox, OpenFire ♦ Video/audio/Image processing : GPUImage, CoreAudio, AVFoundation, EZAudio ♦ Social integration : Facebook, Twitter, Spotify, SoundCloud, Deezer, Instagram ♦ Geolocation : Google Map, Open Street Map, GPS, MapKit, Mapbox ♦ Source Control : google svn, collabanet, git, bitbucket ♦ Payment Gateway : stripe, authorise.net, billdesk and more... Would be happy to discuss your requirement. Thank you for your time to read my profile. Thank you.
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Servlet
    LDAP
    Velocity.js
    Liferay
    J2EE
    NoSQL Database
    Elasticsearch
    WildFly
    Hibernate
    JUnit
    jQuery
    Microservice
    Java
    Spring Boot
  • $25 hourly

    • 5.0/5
    • (6 jobs)
    Hi I'm Ahmed, I have worked for the past 6 years as a Software Engineer specialized in (Java, JavaEE, Spring), my current title is Java Technical Lead I have built a wide range of highly secured web applications with easy-to-use interface, while maintaining performance. I have worked in a professional, mature environment with top-notch communication and professional skills. Over the years, I have developed my applications while maintaining best practices using OOP, MVC, Design Patterns, Algorithms, Data Structures I'm capable of building your desktop/web application from scratch, using latest technologies in the Java development stack. Services I offer: ✅ PSD to HTML(5) ✅ Fully functional web applications ✅ Web Services (For Mobile & Integration) ✅ Desktop Applications ✅ And much much more! Skills: Java SE,EE, Core, Spring Boot, Core, Data, REST, Security, Web services(REST, SOAP), Hibernate, JSP & Servlets, IBM (WebSphere ,MQ , DB2), Maven, Version Control (GitHub , GitLab, SVN), Java Message Service (JMS), Java Database Connectivity (JDBC) Database: MS-SQL, MYSQL, DB2, Database Design Web Development(Frontend): HTML5, CSS3, JavaScript, jQuery, VueJS Have a special project in mind? let's discuss it!
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Application Server
    RESTful API
    Spring MVC
    Spring Boot
    Spring Framework
    CSS 3
    HTML5
    Hibernate
    jQuery
    API Integration
    Spring Data
    Java
    JavaScript
  • $40 hourly

    • 5.0/5
    • (30 jobs)
    Seasoned software developer with 11+ years of experience, worked as a senior software engineer, software development team leader, system architect, business analyst, and project manager. Accurate and well-organized, always looking for elegant and efficient solutions. Experienced in: ============ ✅ Web development (mostly in React and Angular with Java as server-side technology) ✅ Mobile software development (mostly in React Native) Technology background: =================== ✅ Programming languages: Java, JavaScript, Android, HTML ✅ Client-side: Angular, ReactJS, React Native, Node JS, HTML5, CSS, Bootstrap and other JS/CSS frameworks ✅ Web Services: RESTful, SOAP ✅ DevOps: Linux, AWS, Docker, TCP/IP based networks ✅ Databases: PostgreSQL, MySQL, Oracle, SQL Server, Firebase, SQLite, MongoDB ✅ Java development: Spring Boot, Spring, Hibernate, Core Java, etc. ✅ Mobile development: Android, iOS ✅ Version Control: Git, SVN ✅ Unit Testing: Junit, DBUnit, TDD Project Management tools: ======================= ✅ JIRA ✅ Trello ✅ Pivotal Tracker Developing a good rapport, and regular communication is important to me. It ensures the project is completed to the specific guidelines required. I pride myself on providing the highest quality of work, and will never complete a project until the client is 100% satisfied.
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    CSS
    JHipster
    Splunk
    Web Service
    Redux
    Hibernate
    Spring Boot
    Web Application
    Session Initiation Protocol
    Spring Framework
    React Native
    Java
    React
    AngularJS
    HTML5
    JavaScript
  • $15 hourly

    • 4.9/5
    • (18 jobs)
    With more than 8+ years of experience , I have expertise in building highly scalable applications and my area of expertise is Java/J2EE, Artificial Intelligence, Big Data and IoT. I have experience with AWS Lambda function to process records in an Amazon DynamoDB Streams. I have good experience with multi tenant SAAS based applications with high volume traffic. In the Front-end, I have proven hands-on Java Libraries like Javascript, Angularjs, Reactjs, CSS, HTML, Bootstrap for responsive design. My competency with microservices or Lagom Framework along with Kafka, Scala and NoSQL databases helped me win high scale enterprise applications. I have experience of serving a lot of domains like Medical, Telecom, Multimedia, Health and Fitness, Logistics, eCommerce etc. My client base ranges from start-ups and emerging companies to established and mature organizations in various domains having a wide range of technological needs. I have been serving clients all across the globe. Quality is the key to everything that I build. My expertise in building scalable systems helps the client leverage future opportunities without worries. What you get: ----------------------------------------------------------------------------------------------------------- • 7+ Years of expertise in delivering high scale applications. • Great quality • High availability & Trust • Ease and comfort of communication • Smart Solution with plug N play features for future integrations • Scalable solutions, you need not worry when expanding/scaling • Well defined processes and documentation • Full safety of the source code and its ownership • The reliable partner
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Big Data
    Apache Hadoop
    MERN Stack
    BigQuery
    Data Engineering
    Data Warehousing & ETL Software
    J2EE
    Apache Kafka
    Node.js
    MongoDB
    Redis
    React
    Spring Boot
    Microservice
    Spring Framework
    Java
    HTML5
  • $30 hourly

    • 5.0/5
    • (8 jobs)
    Senior Full Stack Engineer with more than 5 years of experience. CS Bachelor. Certified AWS Architect. Full cycle of Web application development: design, implementation, testing, deployment, support. I will help you develop low-cost, reliable, fault-tolerant and highly available cloud-based web application. Key technologies: * AWS: Lambda, EC2, ECS, DynamoDB, etc. * Java: Spring Framework, Hibernate, etc. * JavaScript: Webpack, React, Redux * DevOps: Docker, Kubernetes, Jenkins
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Microservice
    Spring Framework
    React
    DevOps
    JavaScript
    PostgreSQL
    Hibernate
    Java
    MongoDB
    Node.js
    Jenkins
    CI/CD
    Kubernetes
    Amazon Web Services
    Docker
  • $50 hourly

    • 4.9/5
    • (32 jobs)
    I help businesses innovate and grow. That's what I do for more than 7 years – help organizations innovate by building cutting-edge web, mobile and IoT applications. I'm CEO at ORIL software agency. Our Services cover full product lifecycle: 🔸 UI/UX Design, Prototyping, Product Strategy 🔸 Web, Mobile, IoT application development, Salesforce development 🔸 QA, Testing, Maintenance 🔸 Dedicated Teams Domain expertise: 🔸PropTech | HealthTech | FinTech | Marketplaces | Automotive We are a diverse team of talented experts has strong commitment to what we do and a manner to solve problems with a great proficiency. Feel free to reach out to get a free consultation, I'm always happy to talk!
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Mobile App
    Dashboard
    Kubernetes
    Software Development
    UX & UI
    Web Application
    Mobile App Development
    React Native
    Python
    Amazon Web Services
    Java
    Angular
    React
    Node.js
  • $15 hourly

    • 5.0/5
    • (13 jobs)
    I have developed sites for more than 10 years. I am a dedicated and a hard working person with a strong urge to learn and improve my skills. I take deadlines very seriously. Don't believe me? Just hire me right now and you will get the result. Substantial background in delivering large scale, mission-critical, real-time, and low latency projects on time. I have worked as a Technical Architect, Java Team Lead, and Senior Java developer. - Steep understanding of the life cycle of a software development project. - Technical Expertise & Frameworks: Spring boot, Spring Security - OAuth, AWS, Angular, React, jQuery, Restful Webservices. - DB Expertise: MySQL, PostgreSQL, Oracle, Couchbase DB, MongoDB - Platform: Linux, Unix, Windows - Software Engineering degree (Bachelor)
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Angular
    AWS Development
    Spring Boot
    Java
    Spring MVC
  • $105 hourly

    • 5.0/5
    • (8 jobs)
    I’m a Full-Stack Software Engineer with over 15 years of experience in developing innovative web and mobile applications. My expertise spans a range of technologies including Java, Python, Swift, and modern frameworks such as Spring Boot, FastAPI, and more. Whether you need a robust web application, a sleek iOS app, or efficient RESTful APIs, I’m here to bring your ideas to life. 🔹 Skills & Expertise: Web Development: Java, Python, JSP, HTML/CSS, Spring Framework, Spring Boot, FastAPI, RESTful APIs Mobile Development: iOS App Development using Swift Database Management: MySQL, Oracle, PostgreSQL Cloud Platforms: Azure, AWS, Google Cloud Platform DevOps: GitHub Actions for CI/CD, Azure, AWS API Tools: Swagger, Postman I have a proven track record of creating efficient and scalable solutions for diverse clients. My approach combines deep technical expertise with a keen eye for detail and a commitment to delivering high-quality results. 🔹 Services Offered: Web Application Development: Full-stack development, from front-end design to back-end functionality. iOS Mobile Application Development: Development of custom iOS applications using Swift. API Development & Integration: Design, development, and integration of RESTful APIs. Cloud Solutions: Deployment, management, and optimization on Azure, AWS, and Google Cloud Platform. DevOps Solutions: CI/CD pipelines setup using GitHub Actions/Azure, version control, and automated testing. Database Solutions: Design, optimization, and management of databases for MySQL, Oracle, and PostgreSQL. 🔹 Why Choose Me? Versatility: I offer a broad range of skills to tackle both web and mobile development projects. Experience: My experience includes both large-scale enterprise applications and smaller, agile projects. Problem Solver: I approach each project with a focus on understanding client needs and delivering solutions that meet those needs effectively. Communication: I prioritize clear and timely communication to ensure that projects stay on track and meet your expectations. Quality Assurance: I adhere to best practices in coding, testing, and deployment to ensure the highest quality of work. 🔹 Let’s Work Together! If you’re looking for a skilled and reliable software engineer to bring your project to life, let’s discuss how I can help you achieve your goals. Contact me today to get started!
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Swift
    MySQL
    Azure Cosmos DB
    RESTful API
    CSS
    HTML5
    Google Cloud Platform
    API Development
    Firebase
    Mobile App Development
    Python
    Hibernate
    iOS Development
    Web Service
    Spring Boot
  • $30 hourly

    • 5.0/5
    • (94 jobs)
    I am a computer science graduate and professional Java/Kotlin/PHP/Mobile Apps Developer having 8+ Years of Development Experience. I have developed a wide range of websites using Spring framework (spring-boot, spring-data, spring-security), Hibernate, JSP, Maven, Gradle, Java 8, webservers (Tomcat, Weblogic, JBoss) including sites/apps for startup companies and small businesses. I have excellent expertise with cross-platform mobile app development including firebase, Geo-tagging, and mapping in mobile apps and good communication skills. Coding Skills : - Java, J2EE, Spring MVC, Spring Security, Spring Data, Spring social, Hibernate, JPA - Android, Swift, Flutter - Angular, NodeJs, Bootstrap, CSS3, HTML5 - Restful Webservice, SOAP Services - Oracle DB, MySQL, MSAccess, MongoDB, SQLite. Storage Systems : - Firebase, Oracle, MySQL, Mariadb, MSAccess, SQLite Cloud Platforms : Amazon AWS, Google Cloud, Azure. IDE : - Eclipse, WebStrom, Netbeans, IntellJ, Andriod Studio, Visula Studio Code. Version Control : - SVN, GIT, Bitbucket Fluent communication skills and good inter-personal skills complete me as a full package of the developer. I love to make long-term relationships and never let my clients complaint because of the superior quality I deliver as an end-product.
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    RESTful API
    Linux
    Bitbucket
    Hibernate
    Web Service
    Twitter/X Bootstrap
    Mobile App Development
    Flutter
    Spring Framework
    Amazon Web Services
    PHP
    HTML5
    Java
  • $15 hourly

    • 4.8/5
    • (3 jobs)
    Full-Stack Developer with Expertise in Spring Boot, Pub/Sub, and Event-Driven Microservices Kotlin Multi-Platform Developer for Android, iOS, JS and Native with Experience in Coroutines, Flow, and Compose-JB Android App Developer with Extensive Knowledge of MVVM, NDK and Jetpack Architecture
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    DigitalOcean
    Blockchain
    Apache Kafka
    Spring Cloud
    Spring Data
    Spring Boot
    Android
    Spring MVC
    Kotlin
    iOS
    Git
    Docker
  • $25 hourly

    • 5.0/5
    • (19 jobs)
    I'm a top-rated freelancer on Upwork. I will work for you as a full-stack software developer. It means if you hire me, then you don't need back-end, front-end, and database developers separately. I alone can work on all those things, and my specialties are - Java / Spring / ReactJS / NodeJS / Typescript / Javascript / Tailwind/ NEXT / Go Lang / SQL / Terraform / Serverless / Blockchain / Web Development / Software Development. I'm also utterly familiar with - AWS / GIT / Docker / Jenkins / Tomcat / JIRA / SCRUM, and many more development tools and practices, and I could build whatever you need. I have excellent Design, Coding, and Project Management skills and solid knowledge in full-stack development, as well as an ability to convert client requirements into exciting software and web applications. I love spending time on fixing bugs, requirement analysis, and optimizing web/software applications. Thanks for visiting my profile, and Looking forward to hearing from you!
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Node.js
    Next.js
    Amazon Web Services
    React Native
    TypeScript
    Angular
    Spring Boot
    React
    Docker
    AWS Lambda
    Spring MVC
    Software Development
    Golang
    Database Architecture
    Java
    JavaScript
    SQL
  • $60 hourly

    • 4.9/5
    • (20 jobs)
    I am a highly experienced Backend Developer with over 5 years of experience in Java/Spring development. I have a strong portfolio, having worked with companies such as Sahmik, Techrivo, Nestle Nespresso, PowerFolder, and SQLI. I have expertise in Java/JEE/Hybris development, and am proficient in HTML 5/CSS 3, JavaScript, ReactJS (basic), Spring Framework, Hibernate, Hybris, Swagger, and Web Services (SOAP, REST). I have a solid understanding of Clean Code, SOLID, GRASP, Effective Java, and Design Patterns principles. I have experience with RDBMS such as Oracle and MySQL and have used tools like Junit, Mockito, IntelliJ, Bitbucket, Git, Maven, Ant, Nexus, Sonar, JIRA, and Jenkins. I am well-versed in Scrum methodology and have experience with Linux, Tomcat, and nginx servers. In addition to my technical skills, I am fluent in Arabic, French, and English, and am a certified Java SE 8 Oracle Certified Associate (OCA). I am dedicated to delivering high-quality, efficient, and well-designed solutions to my clients and am always eager to learn and improve my skills.
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Scrum
    J2EE
    jQuery UI
    Spring Boot
    Spring Framework
    RESTful Architecture
    NGINX
    Jakarta Server Pages
    Java
    HTML5
    RESTful API
    Java Persistence API
    Git
  • $90 hourly

    • 5.0/5
    • (25 jobs)
    Hi all! 100% satisfied clients on Freelance platforms! I have been building softwares for various different clients/employers for more than 10 years. I have experience with a wide range of companies, going from early-age startups, to UK top retailers, consultancies, also international top tech companies such as Amazon. I love building robust, scalable and maintanable software solving a customer problem. My career led me to work in both permanent and contract positions. I am highly business focus in my work and understand the necessary tradeoffs between delivering fast and delivering well. As a full stack engineer, I can jump in immediately and be productive on the project from the first days. My main skills include: - Architecture Design - Smooth communication processes and high availability - Robust, modular and well documented code - Easy to read and maintainable code - I will not let you down Main Languages and skills: - Backend: Java, Spring, Kotlin, Node, Microservices, AWS - Frontend: Typescript, Angular, React, React Native, Electron - CI/CD: CircleCI, Gitlab, Jenkins - Cloud: AWS (S3, IAM, Lambda, ECS, DynamoDB, Aurora) Looking forward to hearing about your projects and working with you! Cheers, Paul
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    AWS Fargate
    AWS CloudFront
    AWS Lambda
    Automated Deployment Pipeline
    CircleCI
    Amazon DynamoDB
    React
    Spring Framework
    Kotlin
    JavaScript
    TypeScript
    Java
    React Native
  • $25 hourly

    • 4.9/5
    • (13 jobs)
    I'm a developer who is having 11+ experience with writing SOAP/REST web services in java, spring framework, spring boot, hibernate, kafka, mqtt, camel, Postgress, mysql, git, maven, jenkins and CI CD pipelines. Mainly i have been working in telco and banking field . I have been a team member of the projects that implemented SMS, MMS, WAPPUSH and Payment services for clients in various countries. I have experience with integrating REST services with swagger and keycloak authentication system. I have worked in legacy systems to spring boot micro services upgrade projects. Apart from that I have experience with writing Golang APIs following middleware design pattern and oracle database integration using XORM library. I have worked in Jenkins and Teamcity plugin implementation as well. I would love to take any challenge to fulfill client's requirements.
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Swagger
    Core Java
    User Authentication
    Apache Kafka
    Spring Boot
    Golang
    Hibernate
    Git
    Spring Framework
  • $25 hourly

    • 3.8/5
    • (10 jobs)
    I am a full stack developer with 7+ years experience Microservices, good command over Java, J2EE, Spring Framework, Hibernate/JPA, Angular, MongoDb and MySql, Tomcat Apache, Spring Cloud, AWS. I have worked on real-time projects in a diverse business domain. I have good knowledge of Software Development Life Cycle(SDLC) and Agile Methodology which helps in building "High-Tech" solutions for end users and results in low maintenance costs. I am flexible to project demands and shifting of priorities. I am open and willing to learn whatever is necessary to accomplish my clients' goals. Thank you, I look forward to working with you. Having around 6+ years of IT experience in the areas of Analysis, Design and Development. Technical Skills: • Primary Language(s): Java, J2EE • Framework(s): SpringBoot, Spring Framework, Spring MVC, Spring Security, JPA/Hibernate, Kafka • Architectures: Monolithic, Microservices • Web Technologies: HTML, CSS, Angular 6 • Database: MySql, NoSql - MongoDB • Web Server(s): Apache Tomcat, Apache Load Balancer • Web-Services and Tool: RestFul, Postman, Graphql • Software Development Methodology : Agile:-Scrum, Sprint • IDE/Gui Tool(s): IntelliJ, Eclipse, Jira, BitBucket, Gradle, Maven, Microsoft Sql Server Management Studio, Postman, Putty, SSH Secure Shell, Robo 3T
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Web Scraping
    Automated Testing
    Spring Cloud
    Core Java
    J2EE
    Python
    Microservice
    Java
    Amazon Web Services
    RESTful API
    MongoDB
    SQL
    Spring Framework
    Spring Boot
  • $33 hourly

    • 4.9/5
    • (34 jobs)
    Java Tech Lead, 12+ years of experience 🥇 2016-2019 Top Rate on Upwork Delivered 30+ applications to the market for clients from the USA, Western and North Europe. My expertise: ✅ Java main stack: Java8/Java11/Java17, Spring Boot, Spring Security, Spring Data, JPA/Hibernate ✅ Java libraries: JUnit/Mockito/PowerMock, RestAssured, Lombok, JMH ✅ Databases: MySQL, PostgreSQL, MariaDB, SQLite, MongoDB ✅ DevOps: Linux, Docker, DockerHub, Apache Maven/Gradle, Jenkins, Jenkins pipelines, SonarQube, SonarRunner, DigitalOcean, AWS ✅ REST APIs: design, development, documentation (swagger) ✅ Have experience in front-end application delivery: Vue.js-based and React.js-based ✅ CryptoTrading: Binance/Bitfinex/Kraken APIs My achievements: ✅ Developed an application for one of the customers that generate ≈$50K of profit every month ✅ Reduced the DevOps price on one of the projects from ≈$10K per month to several hundred dollars ✅ Increased team size from 1 to 5 people for a few customers based on their needs
    vsuc_fltilesrefresh_TrophyIcon Spring Security
    Cryptocurrency
    DevOps
    Jenkins
    JavaScript
    Vue.js
    Docker
    Spring Framework
    Java
    Spring Boot
  • Want to browse more freelancers?
    Sign up

How it works

1. Post a job

Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.

2. Talent comes to you

Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.

3. Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

4. Payment simplified

Receive invoices and make payments through Upwork. Only pay for work you authorize.

Trusted by

How do I hire a Spring Security Specialist on Upwork?

You can hire a Spring Security Specialist on Upwork in four simple steps:

  • Create a job post tailored to your Spring Security Specialist project scope. We’ll walk you through the process step by step.
  • Browse top Spring Security Specialist talent on Upwork and invite them to your project.
  • Once the proposals start flowing in, create a shortlist of top Spring Security Specialist profiles and interview.
  • Hire the right Spring Security Specialist for your project from Upwork, the world’s largest work marketplace.

At Upwork, we believe talent staffing should be easy.

How much does it cost to hire a Spring Security Specialist?

Rates charged by Spring Security Specialists on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.

Why hire a Spring Security Specialist on Upwork?

As the world’s work marketplace, we connect highly-skilled freelance Spring Security Specialists and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream Spring Security Specialist team you need to succeed.

Can I hire a Spring Security Specialist within 24 hours on Upwork?

Depending on availability and the quality of your job post, it’s entirely possible to sign up for Upwork and receive Spring Security Specialist proposals within 24 hours of posting a job description.

Schedule a call

Looking to hire for long-term or full-time assignments? See how Full-time hiring on Upwork simplifies the process.