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Rating is 4.8 out of 5.
4.8/5
based on 170 client reviews
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  3. Full Stack Developers
  4. (Current) JetBrains IntelliJ IDEA Specialists
  • $25 hourly

    • 5.0/5
    • (5 jobs)
    Hello, Welcome to my profile. I am Kumar Panchal. Well organized, self-motivated, a quick learner & more flexible in work timing. I am cloud software engineer with 6+ years of professional skilled experience on Java, PCF Cloud, AWS, Spring MVC, Spring Boot,Security Integration, Jersey, Hibernate, and JPA. Hands on experience to develop RESTful web services using OpenAPI Specification tool Swagger, Java-based framework Spring Boot(2.3) & Jersey. Persistence (ORM Mapping) frameworks like Hibernate, JPA & JDBC. RDBMS (Relational Database Management System) knowledge in MySQL, Oracle & Postgres. Good understanding and worked on AWS services like EC2, S3 & CDN. Application servers like Wildfly, Tomcat. Having knowledge of JNDI with spring for LDAP(Lightweight Directory Access Protocol). Having experienced integration and development with security like SSO, SAML2, and Oauth2.0 using the OpenAM platform. Hands-on experience to develop software by following the BDD approach using JUnit, Mockito, Karate and Jmeter testing frameworks. Having knowledge of project management tools like Git, Jira, Maven, Gradle, Rally, and BitBucket. Worked on Integrated development environment tools like Eclipse, STS & IntelliJ. Working Style 1. To understand the client requirement & discussions 2. Research the requirement 3. Choose the best technologies to drive the implementation 4. Create the Proof of concept 5. On-Demand changes 6. Delivery Thank you for visiting and reviewing the Skilled Software Engineer Profile :)
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    MongoDB
    Git
    Java
    Microservice
    Java Persistence API
    RESTful API
    PostgreSQL
    AWS Lambda
    Spring Security
    Hibernate
    Spring Framework
    Spring Boot
    RESTful Architecture
    Amazon S3
    Spring Data
  • $40 hourly

    • 5.0/5
    • (21 jobs)
    With over 8 years of experience as an Oracle certified developer, I specialize in JavaFX desktop application development, boasting expert knowledge of the JavaFX framework. My forte lies in applying architectural patterns and adhering to best practices, resulting in the creation of clean, expandable code for your projects. I am passionate about delivering robust and user-friendly applications, always striving to guarantee client satisfaction. My dedication extends beyond technical expertise; I am also a proficient communicator and an effective team player, ensuring seamless collaboration on every project. In addition to my core skills, I am well-versed in essential development tools like Git, Maven, Gradle, Eclipse, IntelliJ IDEA, and JProfiler. This comprehensive skill set enables me to navigate your projects with precision and efficiency. Let's work together to transform your Java development goals into reality.
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    Desktop Application
    IntelliJ IDEA
    Java
    JavaFX
    Git
    MQTT
    OpenGL
    Game Development
    SQL
    User Interface Design
  • $40 hourly

    • 4.9/5
    • (89 jobs)
    My technology stack includes: Programming Languages: Java, Python, Kotlin, Groovy, JavaScript, HTML, Typescript, CSS, JSON, XML, SASS/SCSS Java Backend: Spring, Akka, Grails, Play Java Frontend: JSP, Thymeleaf, JSF Frontend: Angular.js, Vue.js, React.js, Next.js Relational Databases: PostgreSQL, Oracle, MSSQL, MySQL, SQLite NoSQL: MongoDB, Cassandra, DynamoDB Python stack: Django, Flask, AngularJS, PostgreSQL, Oracle, MySQL, Knack Testing: Junit, Selenium, Locust, Jmeter Cache: Memcached, ElasticSearch, Redis Cloud Tech Stack: Docker, Kubernetes, ELK, Lambda, Kinesis, GraphQL Computer Vision: JavaCV, Numpy, Caffe, Tensorflow Cloud platforms: Amazon, Google cloud, Heroku, Azure Version control: Git, SVN CI/CD: GitLab, GitHub, TeamCity, Jenkins, Travis, Ansible, Terraform, Chef Package distribution: Artifactory, Nexus OS: Linux, MacOS, Windows Automation tools: Ansible, Terraform, Chef Ixobit (DBA Sibers)
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    Apache Struts
    JDBC
    Jakarta Server Pages
    Java Servlet API
    JavaFX
    Java EE
    Hibernate
    Django
    Python
    Java
  • $55 hourly

    • 4.8/5
    • (146 jobs)
    โœฑ I am senior developer specializing in Back-End and Android Development. I have worked with โญHigh Profile clientsโญ in my Career which I have listed some of them below: โœ… FirstTennessee (Fortune 500) โœ… Amex (Fortune 500) โœ… EDB Norway โœ… ICICI Bank My core expertise and experience are: โœ… Android Application development โœ… Web development using Java 8, Spring Boot framework, JavaScript, HTML 5 โœ… Back end development with Java 8, Spring Boot frame work โœ… REST API development using Spring Boot โœ… Desktop development using Swing and JavaFX โœ… Micro services with Spring Boot โœ… Experience in Graph algorithms โœ… Bitcoin and Block chain development using Bitcoinj frame work โœ… Eclipse RCP development โœ… Open source application modification and development โœ“ ChatGPT โœ“ Java - 12+ years โœ“ Java 8 - 4 years โœ“ JavaScript - 5+ years โœ“ Spring Boot - 3 + years โœ“ React โœ“ GraphQL โœ“ AWS โœ“ AWS Amplify โœ“ Aws AppSync โœ“ DynamoDB โœ“ Quarkus framework โœ“ Micronaut โœ“ CI/CD โœ“ Android - 2 + years โœ“ Spring Security - 2+ years โœ“ WebRTC , WebSocket - 2+ years โœ“ Python - 1+ year โœ“ Node.js - 1 + year โœ“ Play Frame work - 1 year โœ“ GIS Development - 1 year โœ“ Linphone Customization 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 JetBrains IntelliJ IDEA
    Apache Kafka
    API Development
    Micronaut
    Spring Security
    Spring Boot
    Core Java
    Apache Maven
    Spring Framework
    GraphQL
    Android
    Android App Development
    Python
    Firebase
    Java
    JavaScript
  • $35 hourly

    • 4.7/5
    • (102 jobs)
    I'm a java developer With +7 years of experience who has the passion and motivation to make valuable things that everyone can use and learn from it and be a role of change. I am focusing on designing and developing solutions for problems and challenges using my Java skills with analytical and problem-solving skills. I Holds B.Sc. in Computer Science, Faculty of Computers and Information, in 2016. I am specializing in back-end development, with good knowledge of front-end techniques. I love structure and order, and I also stand for quality. I Love spending time fixing little details and optimizing Java Apps. For easy contact, that's my Skype Name:- mohamed.hamid660 Thank you
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    Agile Software Development
    Oracle
    SOAP
    JavaFX
    Elasticsearch
    MySQL
    Spring Security
    Database
    Apache Maven
    Spring Boot
    Java
    Spring Framework
    Microservice
    Jakarta Server Pages
    Hibernate
  • $45 hourly

    • 4.8/5
    • (129 jobs)
    โ€ข Expertise in Software Industry as Technology Consultant/Senior Software Architect/Senior Software Developer in the Area of System Analysis, Design & Development using industry Best Practices and Patterns. โ€ข Coder and Architect By Nature โ€ข Currently enjoying .Net 7 / Node Js / Javascript MVC Frameworks โ€ข Extensive experience on Angular 2+ Version (up to 14 latest) โ€ข ReactJs - using all latest best practices including styled-component, styled-system, tailwind โ€ข ReactJs - Hooks and Function Component โ€ข NodeJs - NEST Js, Loopback, Socket.IO, GraphQL - Apollo Server and Client, TypeOrm, Typescript, โ€ข Serverless - Amazon Lambda, Firebase Cloud Functions, Azure Functions โ€ข Mongodb, Amazon Dynamo DB, Redis, โ€ข SQL Server, Postgres, MySQL โ€ข Microservices Design , โ€ข Azure Eventhub, Redis Pub Sub, Kafka โ€ข Extensive experience in .Net Development and Integration โ€ข Extensive Experience using MVVM and MVC Architecture. โ€ข Oracle and SAP integration โ€ข Dimensional modeling โ€ข Power BI โ€ข Azure Data Warehouse, Azure Data Factory, Azure Data Lake, โ€ข Extensive Experience working with Microservices Architecture. โ€ข Designed several SaaS applications โ€ข Extensive Experience using Inversion of Control and Dependency Injections techniques โ€ข Extensive Experience in RESTful Services / Optimized JSON Services โ€ข Extensive Experience in developing Multithreaded Windows Services to maintain a large number of Thin Clients โ€ข Developed large scale of applications using Service Oriented Architecture โ€ข Good Experience working with different SQL Server Services โ€“ SSRS / SSIS / SSAS โ€ข Extensive Experience in SQL / Performance Optimization โ€ข Strong Leadership and Management Skills โ€ข Proven Research and Self-Learning Skills
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    Microsoft Power BI
    JavaScript
    Ionic Framework
    React Native
    Twilio API
    AngularJS
    ASP.NET MVC
    .NET Framework
    C#
    Elasticsearch
  • $55 hourly

    • 4.9/5
    • (38 jobs)
    I am TOP RATED, a strong, full-stack developer from the United States. In the past, I worked for the biggest companies such as Oracle, Accenture, First Data, Barclays Bank, GMAC, ING Direct. I have 20+ years of experience in web development and I highly specialize in - Java (J2EE, Spring, SpringBoot, JMS, Java Struts, Java Servlets, JSP, Hibernate, MyBatis, REST). - PHP (Laravel) - Javascript (React, Angular, JQuery, Vue.js) - HTML, CSS, Bootstrap - MySQL, Postgress, Oracle - AWS, Apache Tomcat I have built more than 200 systems and I am comfortable working with both existing and new projects. I helped hundreds of clients in their business and I am here to help you as well! 100% satisfaction guaranteed or your money back.
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    Jakarta Messaging
    Web Service
    J2EE
    AngularJS
    HTML
    React
    Laravel
    PHP
    SQL
    Microservice
    Java Persistence API
    Spring MVC
    Spring Boot
    Spring Framework
    Java
  • $30 hourly

    • 4.8/5
    • (243 jobs)
    Upwork Stats: 47K+ hours booked with more than $1 Million Revenue, 100% Completion ratio, 100% Job Success Ratio, and more than 100s of satisfied customers (4.90 ratings) What's better than the feedback from your client. Check reviews and the volume of work on our profile for a pleasant surprise at how good we are. We have a large queue of happy customers. Our core expertise is in C#, ASP.Net, MVC. Net, .NET Core We have expertise in designing effective user interfaces, database architectures, data structures, client/server architecture, multi-threaded applications, cloud computing, Web development, and MSSQL. We also specialize in various industries like Automotive, E-learning, Fintech, etc. We also have expertise in Content Management Systems (CMS), Web/Graphic Designing, Blogs and Forums, SEO-friendly Websites and Web 2.0 developments & Microsoft Dynamic CRM, and ERP Software development. โœ… Our expertise includes: โ—† Software Development & Maintenance services โ—† ERP Software development and maintenance โ—† ASP.NET website development & performance optimization โ—† API Integration Social media (Facebook, LinkedIn, Twitter), Google APIs, Google Maps โ—† The Second Payments Services Directive (PSD2), Strong Customer Authentication (SCA), 3-D Secure (3DS) Expert โœ… We provide the next QA Services: ________________________ โ€ข Manual/Automation Testing โ€ข Functional Testing/Regression/Acceptance Testing โ€ข Performance Testing โ€ข Security/Penetration Testing โ€ข Usability Testing โ€ข Mobile App Testing (IOS / Android) โ€ข Strong knowledge of HTML, CSS and SQL programming โ€ข User Acceptance Testing โ€ข Experience in SOAP API / REST API/ GraphQL โ€ข GitHub / CI / CD / Jenkins โ€ข Linux / Windows / OS X based systems; โœ… Payment Method Integration : โ—† Paypal โ—† Authorize.Net โ—† Stripe โ—† Amazon Payments โ—† SecurePay โ—† Square Payments If you like our profile and experience, do write to us if you need anything to be discussed.
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    Microsoft SQL Server
    C#
    ASP.NET MVC
    Umbraco
    Microsoft Windows
    CRM Software
    ASP.NET
    Entity Framework
    Microsoft Visual Studio
    ASP.NET Core
    Azure App Service
    ERP Software
    .NET Framework
  • $39 hourly

    • 5.0/5
    • (69 jobs)
    13 years experience building desktop applications using: ๐ŸŽจ GUI toolkits: AWT, Swing, and JavaFX ๐Ÿ–Œ๏ธ JavaFX scene graphs based on: FXML, FXML + CSS, and without FXML ๐ŸŽจ GUI builders: Matisse and SceneBuilder โ˜• Latest Java SE features: lambdas, streams, Optional, and records ๐Ÿ—๏ธ Architectural patterns: MVC, event-bus, layered, presentation, and client-server ๐Ÿ› ๏ธ Build automation tools: Gradle, Apache Maven, and Apache Ant ๐Ÿงฐ IDE: Apache NetBeans & IntelliJ ๐Ÿš€ Rich clients: NetBeans RCP applications ๐Ÿ’ผ Software development process: test-driven development (TDD) ๐Ÿงช Tests: JUnit, TestNG, and Mockito ๐Ÿงฉ Relational database systems: SQLite, Apache Derby, MySQL, and PostgreSQL ๐Ÿข Database access: pure JDBC, jOOQ, and JPA using Hibernate & EclipseLink ๐Ÿ“œ Version control: Git ๐Ÿ“š Documentation: JavaDoc, markdown, and UML diagrams using PlantUML Some of my notable projects include developing a real-time analytics engine for PureGTO, a leading poker training framework. This engine analyzes player data and provides personalized coaching to help players to improve their game. I had the opportunity to work with a high quality codebase and received training and coaching from industry-leading, principal-level engineers. This experience allowed me to develop expertise in various areas, such as functional programming, behavior-driven testing, immutable patterns, object-oriented design, distributed architecture design with terabyte-scale databases, Flux UI design framework, SOLID principles, and domain-driven design programming practices. My work at PureGTO also involved writing Java code in BDD style, working with statistics and math, understanding game theory, developing back-end services via REST, and integrating with high-performance Rust applications. The stack I worked with included Java, JavaFX, Spring, Google Cloud Platform, Kubernetes, and Docker. Another project I worked on is Collect Desktop, a software application that interfaces with the Neo-spectra Scanner, bringing lab-grade material analysis to the production line or field. This technology is used in a wide range of production areas, including flour milling, animal feed, forages, oil-seed processing, pet food, dairy products, food ingredients, textiles, and plastics. My clients have a lot to say about me: ๐Ÿ’ฌ "His communication was top-notch, he met all deadlines, and his skills were strong" ๐Ÿ’ฌ "Completed the job very fast and with high quality" ๐Ÿ’ฌ "I enjoyed working with him" ๐Ÿ’ฌ "Efficient and talented" ๐Ÿ’ฌ "Good work ethic" ๐ŸคSound like a fit? Click the green โ€˜Invite to Jobโ€™ button then write me a personalized note including why you think weโ€™re a good fit to work together in your message.
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    Apache Maven
    Swing
    Algorithm Development
    SQL
    Data Structure
    Unified Modeling Language
    JUnit
    Java GUI
    JavaFX
    Core Java
    MySQL
    PostgreSQL
    NetBeans
    Desktop Application
    Java
  • $100 hourly

    • 5.0/5
    • (28 jobs)
    Java developer with expirience in creation of domain specific languages, parsers compilers, Eclipse based IDEs Experience in development and optimization algorithm. Solid math background. Experience in article writing. The experience in optimization of calculations. Development client - a server of exhibits for keeping, statistical processing and visualizations result observations. The Experience of the development of the flash games and applications. The Experience of the development of the plays and exhibits for mobile telephone. The Design and development of the structure of databases. The Development of the user interface. TECHNICAL SKILLS SUMMARY Theory of formal languages, Syntax analyses, parsers, compilers, Domain Specific Language development Xtext, XTend language, ANTLR framework Java SE, SWT/JFace, Eclipse RCP, Xtext, Xtend, Java reflection, Swing, Sockets, Networking Java2EE, JDBC, Hibernate 3.0, Spring 3.0 (IoS, Aspects, MVC),Servlets/JSP GWT, GXT, LibGDX SAX, DOM, XSLT Research, problem solving skills. Good mathematic skills, higth speed of learning Game Development, game logic and artificial intelligence creation Flex 4.6 ActionScript 3.0, Adobe Air, Flash Media Server 4.0, Wowza media server PureMVC, Mate Good mathematical&algorithms skills, engines developing Flash browser games Ability to write articles& research skills GOF pattern Jasper Reports Eclipse, Intellij Idea, FlexDevelop, Flash Builder MySQL Postgress Maven GIT,SVN
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    Core Java
    Plugin Development
    Algorithm Development
    JDBC
    ANTLR v4
    Compiler
    IDE
    Plugin
    JavaFX
    JavaScript
    Eclipse IDE
    SWT
  • $50 hourly

    • 5.0/5
    • (11 jobs)
    ๐Ÿ†๐Ÿ† TOP-RATED, UPWORK-CERTIFIED software project champion with 5 years of experience, proficiently specializing in UI framework (i.e. React, Typescript), backend development (i.e. Java, .NET, Python, Javascript) and cloud integration (i.e. Azure, Google Cloud). Highly experienced in driving offshore software outsource agencies. ๐Ÿ…๐Ÿ…After graduating with 4.0/4.0 GPA from University of Wollongong, I have worked with team several high-profile clients across Australia, USA and Europe โœ… โœ… WHAT I CAN OFFER ๐Ÿ† API PERFORMANCE TUNING: With decent knowledge about ORM and Database tuning, I can identify bottleneck in your current API Implementation and tune it using a vast amount of technology tools ๐Ÿ† CLOUD-BASED FULL-STACK SOFTWARE: I possess full skillset to deliver a production-grade software based on your business requirements ๐Ÿ† LEADERSHIP ABILITY: I have experience in managing offshore teams by following Agile methodology and utilizing agile suite such as Atlassian and Azure Devops tools ๐Ÿ‘๐Ÿ‘ PROFESSIONAL CHARACTERISTICS โœ”๏ธ HIGH MORALE: I fully understand clientโ€™s struggle when receiving low-quality from someone they hired as I have been involved in a demanding software restoration project where I worked closely with client to apply their ideas to a new clean and organized source code. โœ”๏ธ RESPONSIVENESS: You will receive my response within seconds anytime. โœ”๏ธ TECH TRENDS SPOTTER: I always get updated about latest technology trends and adopt new libraries to my code (with a care about security). Iโ€™m also familiar with using AI language model to rocket my development speed.
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    Google Cloud Platform
    Microsoft Azure
    Database
    API Development
    Back-End Development
    Full-Stack Development
    API Integration
    React
    Microservice
    Python
    C#
    Java
  • $85 hourly

    • 5.0/5
    • (14 jobs)
    I am an experienced programmer of consumer facing applications and services, with a background building in the arts, publishing, and education industries. I have been designing, developing, and assisting with software projects in a number of categories โ€ข Web and game development with HTML5/JavaScript (CreateJS, ZIM) โ€ข Mobile development with Adobe/Harman AIR for iOS and Android (AS3) โ€ข Mobile development with Flutter (Dart) โ€ข Full stack development with LAMP and hybrid Java/SQL services I have also helped resurrect or restore control over a number of JavaScript and Animate projects. If you find yourself facing a deadline, or need assistance untangling a codebase, please get in touch and we can talk about how get things aligned again. My projects have included: โ€ข A TV/Film production prop iPhone app to simulate calls, texting, and VFX screens (AIR, Flutter) โ€ข JavaScript games for TV/Entertainment using CreateJS/EaselJS (GSAP) and ZIM (HTML5 Canvas) โ€ข The re-architecture and substantial coding and rework of a medical training program (JS) โ€ข The addition of key features to a StoryLine 360 product (PDF printing via JS) โ€ข A self-publishing photo album service with mobile page design, image manipulation, painting and sticker functions. Required 3rd party REST integration with other commercial services (AIR) โ€ข Archery scoring application for iOS, ranked as high as #16 in the Sports category (AIR) If you have a JavaScript or Animate project that needs creation or work, it is likely that I can provide for you. Drop me a line and weโ€™ll discuss what can be done.
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    Game Development
    Game Design
    ECMAScript 6
    Adobe Illustrator
    Flutter
    Adobe AIR
    ActionScript
    Adobe Animate
    HTML5
    Dart
    Java
    JavaScript
    Adobe Photoshop
  • $60 hourly

    • 4.9/5
    • (68 jobs)
    Hello I'm experience Java Desktop Software Developer, developing apps in Java Swing and FX. I can create custom components in Java Swing and build app which will be faster and user friendly. Due to years of coding, my coding skills is very fast, and I have built application using multithreading, interface and abstraction. Can work with open source project easily like Open Bravo and POS systems. Some Areas In which Iโ€™m GURU: -- Can work with IMAGES, VIDEOS, FFMPEG, EXIF, OFFLINE and ONLINE MAP. -- Can work with Open CV and JAVA CV. -- Knowledge of parsing JSON and XML. -- Can create app which will work with different Databases, e.g. SQLITE, MYSQL, MS SERVER. -- Can create Reports in DOC and PDF, using iText, Apache POI, Jasper Report. -- Knowledge of JAVA Mailing API to send and receive bulk emails. -- Can use JNI to call Native C code from JAVA. -- Have knowledge of GPU and can call GPU code from JAVA. -- Can work with large amount of data. Thank you --Aqeel Haider
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    MySQL Programming
    Spring Framework
    Hibernate
    Jakarta Server Faces
    Java GUI
    iTextSharp
    Java Persistence API
    Data Scraping
    Eclipse IDE
    Apache Maven
    Swing
    JasperReports
    Java
  • $25 hourly

    • 4.9/5
    • (114 jobs)
    About a decade ago, I finished my graduation in Computer Science. I am an engineer by profession and majored in Information technology. Since my childhood days, I have been fascinated by the technical problems which may arise in day to day life ( like electrical, mechanical ) etc. My parents drove me towards computers as they thought this field is on the rise. Luckily, their decision paid off. I have developed great interests in programming, architecture planning and devising software solutions. My interests in physics and mathematics have helped me grossly in building up my career. My career progression has been excellent and I have been fortunate to provide tailor made solutions to clients across almost every part of the world. Not just clients, I met professionals who helped me grow and in tandem I helped achieve articulate solutions for their needs and businesses. Having attained a TOP RATED PLUS Badge made me among top 3% of the providers on Upwork. With an excellent track record on Upwork I aim at scaling my learning as well as professional experiences and being one of the best mobile/web app developer amongst the Upwork community. Technologies/Languages/Libraries/Frameworks: โ€ข React.js, Next.js โ€ข Javascript, typescript, Expo โ€ข React Native, flutter, dart โ€ข Flutterflow โ€ข Google cloud functions โ€ข HTML & HTML5 โ€ข XCode, SDK Frameworks โ€ข Sqlite โ€ข Mysql โ€ข MVVM โ€ข MVC, MVP โ€“ Retrofit, MVVM, Viper, BLOC โ€ข IOT Integrations โ€ข EventBus โ€ข Dot Net โ€ข Google maps โ€ข Barcode scanner integration โ€ข Google Analytic, Flurry, Crashlytics integration โ€ข Python flask and django โ€ข Graphql โ€ข Azure, AWS lambda, S3, RDS, Dynamo, API gateway, cloud watch, SNS, SQS, SES, Cognito, Lex, Alexa, Cloud Front, Cloudformation, EC2, Rekognition, Kinesis, Machine Learning, IoT, AppSync, Step Functions, Amplify, Elasticsearch, ElastiCache . โ€ข Databases - MySQL, Oracle, MSSQL server,PostgreSQL MongoDB โ€ข Expert in REST API/Web services development using JAX-RS, Spring,swagger โ€ข Build Tools - Maven, Ant, Jenkins, Circle CI, CI/CD in Bitbucket & Gitlab; โ€ข Test frameworks - Junit, Jest, TestNG, Mockito, Rest Assured, JBehave I have the bandwidth to handle new requests currently.
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    Payment Gateway Integration
    JSON
    Android SDK
    Project Management
    Advanced Software Products Group ReACT
    Android App Development
    Business with 100-999 Employees
    Mobile App Development
    API Integration
    React
    iOS Development
    React Native
    Firebase
    Java
    JavaScript
    RESTful Architecture
    Swift
    GraphQL
  • $40 hourly

    • 4.9/5
    • (52 jobs)
    I am a Java and Python developer with more than 10 years of extensive experience in developing a wide range of projects. You can be sure that I will devote all my time and all resources to your project. I strive for perfection and with my experience and skill set, I can bring your ideas and project to life! ๐˜๐Ž๐” ๐๐„๐„๐ƒ ๐Œ๐„, ๐ˆ๐…: ๐Ÿ”น you need professional advice before starting a project ๐Ÿ”น you want the developer to understand you and your project 100% ๐Ÿ”น you want to be 100% sure of the result and get guarantees ๐Ÿ”น you do not want to overpay for the mistakes of non-professionals ๐Ÿ”น you want to get excellent communication and transparent development process ๐Ÿ”น you want to take part of the process and control it ๐Ÿ”น your project is a big challenge ๐’๐”๐‚๐‚๐„๐’๐’๐…๐”๐‹๐‹๐˜ ๐‚๐Ž๐Œ๐๐‹๐„๐“๐„๐ƒ ๐๐‘๐Ž๐‰๐„๐‚๐“๐’ ๐…๐Ž๐‘ ๐“๐‡๐„ ๐…๐Ž๐‹๐‹๐Ž๐–๐ˆ๐๐† ๐ˆ๐๐ƒ๐”๐’๐“๐‘๐ˆ๐„๐’: ๐Ÿ”น Marketplaces (Amazon, eBay, AliExpress, etc.) ๐Ÿ”น Real Estate (Redfin, Zillow, Realtor, etc.) ๐Ÿ”น Job portals (Glassdoor, Indeed, Elscafe, etc.) ๐Ÿ”น Social Networks (LinkedIn, Facebook, TikTok, Instagram, Reddit, etc) ๐Ÿ”น Messengers (Telegram, Whatsapp, Discord, etc.) ๐Ÿ”น Governmental (US Census, Analytical Web Application to view Ukrainian public purchases, etc.) ๐Ÿ”น News/Media ๐Ÿ”น Law ๐Ÿ”น Cryptocurrency (Blockchain, Uniswap, Pancakeswap, etc.) ๐Ÿ”น Sports bettings (bet365, 1xbet, etc.) ๐Ÿ”น Business (dashboards, automation, etc.) ๐Ÿ”น Websites and CRM/ERP systems development ๐๐€๐‚๐Š๐„๐๐ƒ ๐’๐Š๐ˆ๐‹๐‹๐’๐„๐“: ๐Ÿ”น ๐—ฃ๐˜†๐˜๐—ต๐—ผ๐—ป: Django, Django REST framework, Aiohttp, Bootstrap, Dash, FastAPI, Flask, numpy, pandas, PyScripter, ReactJS, Scrapy ๐Ÿ”น ๐—๐—ฎ๐˜ƒ๐—ฎ: Spring, Spring Boot Framework, Hibernate, Maven, Spring jpa, Spring security, Spring web ๐Ÿ”น ๐——๐—ฎ๐˜๐—ฎ๐—ฏ๐—ฎ๐˜€๐—ฒ๐˜€: MySQL, PostgreSQL, SQLite, MongoDB, AzureSQL, BigQuery, H2, MariaDB, PGPLSQL, RabbitMQ, Redis, SQ My services include all the listed above, but are not limited to those cases only. I'm eager to work with you to deliver high-quality solutions for your problems and ready to fully meet your Business Needs. Feel free to contact me anytime and get a free consultation ๐Ÿ“.
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    Discord Bot Development
    Bot Development
    Java
    Web Application
    Web Development
    OCR Algorithm
    Chatbot
    Automation
    Spring Boot
    Software Development
    ETL Pipeline
    Data Scraping
    Python
    Scrapy
    Data Extraction
  • $50 hourly

    • 4.9/5
    • (74 jobs)
    **EXPERT VETTED BY UPWORK and among Top 1% talent on Upwork** I am a Full-Time Freelance IT consultant with 11+ years of rich and varied experience in providing solutions to various clients in various domains in the form of โ€“ โ€ข Full stack web application development โ€ข Enterprise applications development โ€ข Backend web services development โ€ข Desktop application development โ€ข 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 DESKTOP APPLICATION PROGRAMMING - 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. FRONT-END DEVELOPMENT - At the front-end, my expertise lies in working with โ€“ โ€ข JSP โ€ข JSF โ€ข Vaadin โ€ข Angular โ€ข React โ€ข Typescript โ€ข JavaScript โ€ข HTML5 โ€ข CSS โ€ข Ajax โ€ข Bootstrap CLOUD INFRASTRUCTURE DEVELOPMENT - โ€ข 9x AWS Certified and "Microsoft Certified" Azure Solutions Architect Expert. โ€ข Extensive experience with using Docker, Kubernetes, Terraform. โ€ข Dockerisation and Orchestration, automating CI/CD Pipelines, VPN Setup, Monitoring and Logging, Cloud Cost Optimisation are my Forte โ€ข Active user of AWS and Azure and excellent in picking cost-effective and secure solutions using these platforms. OTHER PROFICIENCIES - โ€ข Skilled in SQL as well as NoSQL programming. - Relational Databases - Postgres, MySQL, SQL Server, Oracle and DB2. - Non-Relational databases - MongoDB, DynamoDB โ€ข Skilled with ElasticSearch and Redis SOFT SKILLS โ€“ โ€ข Individualistic personality โ€“ who likes to find solutions. โ€ข Strong work ethic - my past work can vouch for this. โ€ข Positive attitude- comes in handy, while solving complex problems. โ€ข Excellent command over English language. โ€ข Excellent Communication skills. โ€ข Believes in Team work and joint efforts - can mingle into your current team easily. โ€ข Leadership skills - can lead and take up responsibility, even in difficult situations. โ€ข Highly dedicated personality - I donโ€™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. Cheers!
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    RabbitMQ
    CI/CD
    Cloud Computing
    SQL Programming
    J2EE
    DevOps
    Solution Architecture
    Microsoft Azure
    Microservice
    Java Persistence API
    Jakarta Server Faces
    Amazon Web Services
    Spring Framework
    Java
    RESTful API
  • $35 hourly

    • 4.0/5
    • (144 jobs)
    I am a graduate of Bachelor of computer science/bachelor of engineering(computer systems) from ECU (Edith Cowan University) in Perth,Western Australia.I have been studying about computers since 2012. I can work in any programming language easily and can build websites and web applications. Ask me for any problem in computer science and i will solve it. So basically anything regarding computer goes fine with me.I am studying about machine learning/artificial intelligence apart from just focusing on languages and algorithms. But my learning is not limited to just my bachelors as i am also an artist who makes sketches and paintings. My life goal is to become a researcher in computer science that's all i know for now about my future. My range of development services include creating web application , website , desktop applications , mobile applications , windows software , android software etc. I have worked with many clients. I'm working professionally with Visual Studio , Dream viewer , neat beans and android studio . I will work with you to discover what you need and create the best solution. My priorities are quality and respect of deadlines and budget. I love to share my enthusiasm and passion for development, so feel free to contact me and let's get the conversation started. Regards Syed Kazim Raza
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    Flutter
    Django
    React
    JavaScript
    Node.js
    Kotlin
    Python
    Spring Boot
    C++
    Swift
    C#
    ASP.NET MVC
    .NET Framework
    Java
    PHP
  • $25 hourly

    • 5.0/5
    • (8 jobs)
    I'm a Software Engineer with BS in Software Engineering specializing in data management, data manipulation, data formatting, web development and designing with 2+ years of experience in developing programming applications and website with a focus on service oriented functionality. Tech Stack: ๏ƒผ Python ๏ƒผ Tera Data SQL ๏ƒผ Java ๏ƒผ C++ ๏ƒผ CSS ๏ƒผ Wordpress ๏ƒผ Data Analysis ๏ƒผ Power bi dashboard creation ๏ƒผ Canva What I can do for you. ๏ถ Desktop Application ๏ถ Web development ๏ถ Database Design and Integration ๏ถ UI/UX Designing ๏ถ Object Oriented Programming ๏ถ Debugging ๏ถ Making Prototype ๏ถ File Handling and Conversions ๏ถ Web Scrapping ๏ถ Tera Data SQL Queries Why you choose me: ๏ƒ˜ I will be available for any queries 24/7. Will keep updating regularly during the design, development, and integration of your project ( length and duration of project does not affect the communication and quality). ๏ƒ˜ Iโ€™m enthusiastic and passionate about the projects and focusses on the quality of the project. ๏ƒ˜ Customers satisfaction is my first and utmost priority. ๏ƒ˜ I will even elaborate the project to be done along with initial outline and flowchart. ๏ƒ˜ I will not merely complete your projects as required but seek to improve them to their best capacity Thank You for your time.
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    Analytics Dashboard
    WordPress
    Microsoft Power BI Development
    Teradata
    SQL
    Web Scraping
    Data Scraping
    Microsoft SQL Server
    Python
    Object-Oriented Programming
    Java
    C++
    Web Development
    Landing Page
    HTML
  • $20 hourly

    • 4.7/5
    • (17 jobs)
    Hi, I am an expert Full-stack Web developer having 8+ years of extensive experience in this field. I am working on Back-End as well as Front-End Web technologies like React, Vue, Ruby on Rails, NodeJS, Nest.js, Next.js, Express.js, TractJS, Angular 2+, AngularJS, PHP, Javascript, jQuery, HTML5, Bootstrap Responsive web designs, and so on. I have Completed many successful Websites in many areas. Excellent at developing and maintaining applications using the latest technologies and programming best practices. I am a fast learner, an analyzer with good communication skills. Why should you hire me? โ–บ Having Strong Ruby on Rails, NodeJS, React, Vue, Angular 2+, AngularJS, PHP, Javascript, and APIs knowledge. โ–บ Experienced and Nice GUI design that Supports all devices. โ–บ Delivering software before the deadline. โ–บ Excellent Quality of work at an affordable cost. My core skills and experiences in Web applications development are : โ–บ Ruby on Rails, NodeJS, React, Vue, Angular 2+, AngularJS, PHP, Javascript, and APIs Development โ–บ Databases / Data Management - MySQL / MongoDB /PostgreSQL / Parse โ–บ Social, Analytical and third-party tools Integration โ–บ Payment Gateway Integration โ–บ Version Control Tools - Git / Github / SVN / BitBucket / Beanstalk โ–บ Google Maps and Bing Maps โ–บ Advertisement / Push Notifications / GCM / Google Analytics
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    Firebase Cloud Firestore
    Amazon Web Services
    API Integration
    Ecommerce Website Development
    Database Administration
    Angular
    Ruby on Rails
    NestJS
    PostgreSQL Programming
    Node.js
    React
    MySQL
    MongoDB
    Business with 10-99 Employees
    JavaScript
  • $60 hourly

    • 5.0/5
    • (50 jobs)
    Senior Blockchain Web3 Engineer specializing in Blockchain development. Experienced with all stages of the development cycles for dynamic blockchain, cryptocurrency, NFTs, and Decentralized Exchange projects. Well-versed in programming languages such as Solidity, Rust, Smart Contract, Graph QL, React, Typescript. Strong background in project management, customer relations, and technical consultant.
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    Automation
    NFT Metadata
    Financial Writing
    Reverse Engineering
    Web3
    Financial Analysis
    Blockchain Development
    MetaTrader 4
    Solidity
    Smart Contract
    NFT
    MQL 4
    Cryptocurrency
    React
  • $30 hourly

    • 5.0/5
    • (41 jobs)
    Spring, Spring Boot, Spring Cloud, Spring Security โœ… Hibernate, JPA, JDBC โœ… PostgreSQL, Oracle, MySql, MongoDB, Flyway, Liquibase, Redis, Athena, Hazelcast โœ… REST API, SOAP, gRPC, GraphQL โœ… Kafka, RabbitMQ, ActiveMQ, Artemis, AWS SQS โœ… Keycloak, Apache Camel โœ… Microservices architecture: API Gateway, Service discovery (kubernetes), configuration, etc. โœ…AWS Services โœ…Kubernetes, Docker โœ…Elastic Search, Apache Solr โœ…Angular, ReactJS โœ…Kotlin โœ…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 JetBrains IntelliJ IDEA
    Elasticsearch
    Kotlin
    Docker
    Apache ActiveMQ
    Apache Solr
    Apache Kafka
    Angular
    Spring Security
    Spring Boot
    Spring Framework
    Java
    Hibernate
  • $60 hourly

    • 4.6/5
    • (89 jobs)
    My favorite languages are c#, vb.net, java, php, javascript & c++. - I develop libraries and wrappers to make other developers life easier. - I code console and desktop applications which may or may not be database oriented. - I love to do web automation to scrape data from resources. - I feel great to develop RESTful API with Sublime only! - I enjoy developing Android apps too. My favorite projects, which I happily use in my apps, are- ffmpeg, opencv, sox, imagemagick, magick.net, youtube-dl, nAudio and so on.
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    Node.js
    Machine Learning
    Image Processing
    PostgreSQL
    MongoDB
    OpenCV
    FFmpeg
    Desktop Application
    ImageMagick
    MySQL Programming
    Web Development
    Automation
    JSON
  • $30 hourly

    • 5.0/5
    • (62 jobs)
    - I am Server and Cloud Admin having 10+ years of experience in Linux | Windows | Server and Cloud Management. - I am full time freelancer so I can provide good ongoing availability to my client. - I am Top-Rated Freelancer from Upwork. Expertise in Web Services-: WebHosting | Amazon Web Services (AWS) | Server and Cloud Management | Server Security and Optimisation Managed Dedicated Server | Managed VPS Server | Server Setup and Management | Server Security | Server Optimisation WHM/cPanel Management | Virtualmin | Plesk Panel Management | Website Panel Core Server Management | Amazon Web Services | PowerMTA | MySQL | PHP | Apache | SQL | IIS | DNS Management | Exim | Postfix | Send Mail | FTP Server Monitoring | | Backup Management | Backup Recovery Server Migration | SSL Certificates and installation | DDOS Protection | NGINX | Firewall Configuration Linux RHEL | FedoraCore | CentOS | |Ubuntu | Debian
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    DevOps
    Web Host Manager
    Cloud Computing
    Bitbucket
    Red Hat Enterprise Linux
    Google Cloud Platform Administration
    Amazon Web Services
    Google Cloud Platform
    Jenkins
    Deployment Automation
    Git
    Kubernetes
    VMWare
    Docker
    Containerization
  • $30 hourly

    • 5.0/5
    • (39 jobs)
    ๐— ๐˜† ๐—ฆ๐˜๐—ฎ๐—ฐ๐—ธ ๐—ถ๐—ป๐—ฐ๐—น๐˜‚๐—ฑ๐—ฒ๐˜€: ๐™‡๐™–๐™ฃ๐™œ๐™ช๐™–๐™œ๐™š๐™จ ๐™–๐™ฃ๐™™ ๐™›๐™ง๐™–๐™ข๐™š๐™ฌ๐™ค๐™ง๐™ ๐™จ Java JavaFX REST API SOAP SQL HTML + CSS Javascript React Figma UI/UX Git and GitHub Obfuscation - ProGuard Code hardening/Code signing UML. MacOS Installer Windows Installers. WIX Toolset MacOS Software Notarization. MacOS EV Signature Mac OS App development Desktop Application Web Application Spring Boot Spring Security Nginx Web server Docker REDIS caching Back-end Development ChatGPT Code Security ๐‘ซ๐’‚๐’•๐’‚๐’ƒ๐’‚๐’”๐’†๐’” MySQL SQLite Oracle PostreSql ๐“๐จ๐จ๐ฅ๐ฌ ๐ˆ ๐ฎ๐ฌ๐ž: Advanced Installer Launch4j Install4j Maven - dependency management Scene Builder - GUI Builder GitHub Application testing ๐—ข๐—ฝ๐—ฒ๐—ฟ๐—ฎ๐˜๐—ถ๐—ป๐—ด ๐˜€๐˜†๐˜€๐˜๐—ฒ๐—บ๐˜€: macOS Linux - Ubuntu Windows Time Management and time consciousness. ๐‘ฐ ๐’—๐’‚๐’๐’–๐’† ๐’•๐’Š๐’Ž๐’† ๐’‚๐’๐’… ๐’’๐’–๐’‚๐’๐’Š๐’•๐’š ๐’”๐’†๐’“๐’—๐’Š๐’„๐’†๐’” ๐’”๐’ ๐’Ž๐’–๐’„๐’‰ ๐’‚๐’๐’… ๐‘ฐ ๐’•๐’‰๐’Š๐’๐’Œ ๐’š๐’๐’– ๐’…๐’ ๐’•๐’๐’.
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    Mac OS App Development
    Spring Framework
    Ubuntu
    Windows App Development
    Figma
    Software Debugging
    Java GUI
    RESTful API
    SQL
    JavaFX
    SQLite
    macOS
    Git
    Application Installer
    Java
  • $55 hourly

    • 4.9/5
    • (66 jobs)
    Hello, Technical expert and software architect with more than 11 years of experience I was part of several key projects in the fields of fintech, data processing, digital Security, healthcare, and supply chain management systems, I have excessive hands-on multiple architectures from desktop applications, web applications, restful/soap web services to IoT projects all and all using the Java/J2ee stack and many related frameworks, libraries, and APIs. Effective in three languages: English, French, and Arabic, and intermediate level in Spanish with excellent communication skills. I've always been passionate about technology and innovation since my very beginnings. I have a strong belief in software technology's power and how possibly it could make the world a better place for all people. I'm open to learning new things every day and staying up to date with the never-ending shifts of software engineering craft. Designing systems is something I'm always keen and eager to be part of; as I'm addicted to the taste of victory of overcoming the challenges that could face a software engineer in the journey to make quality software. Best regards. Jalal Sordo Cordially.
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    React
    Spring Boot
    Kubernetes
    Software Architecture & Design
    Apache Kafka
    Microservice
    REST
    Atlassian JIRA
    API Development
    Swing
    Spring Framework
    Jakarta Server Faces
    JavaScript
    J2EE
    Java
  • $40 hourly

    • 4.9/5
    • (41 jobs)
    Certified Java Programmer with a demonstrated history of working in the information technology and services industry. Strong program and project management professional with a Master's degree focused in Computer Science. My skills include the following: Languages and Frameworks ๐Ÿ›  - Java - JavaFX - Kotlin - Spring Boot - REST / SOAP - Hibernate - SQL - HTML + CSS + Bootstrap Databases ๐Ÿ›  - MySQL - SQLite - Oracle - Firebase Tools ๐Ÿ›  - Eclipse - IntelliJ - Postman - Maven / Gradle - Xampp - GitKraken - Swagger - Scene Builder - Apache Karaf - Nexus - Jira I am a hard worker and I always deliver. Contact me and you will get the job done.
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    SOAP
    Kotlin
    Spring Boot
    RESTful API
    Standalone Application
    English
    Apache Tomcat
    SQL
    JDBC
    HTML5
    Microsoft SQL Server Programming
    Oracle Database
    MySQL
    JavaFX
    Java
  • $20 hourly

    • 5.0/5
    • (60 jobs)
    ๐Ÿ… Top Rated Freelancer Hello !!! Iโ€™m a Software Engineer specialised in Backend Development with over 6+ years of working experience mostly working on Spring Framework. Hands-on design, development, implementation, and optimisation of the application. Use Object-oriented techniques and Software engineering best practices including Design review, Code review, and Code re-factoring. Experienced with the full Software development life cycle (SDLC) including - Requirement gathering - Prototyping (Design, Development & Debugging) - Testing and - Deployment Good experience in Agile software development methodologies (Scrum, Sprint plan, Timeline, etc.). The strong idea about the deployment process and tools like Maven, Jenkins. ๐ŸŒŸ My Specialization ๐ŸŒŸ โœ… Java (8, 11 & 17): JavaSE, JavaFx, JDBC, Swing, Java Beans, Java Mail. โœ… Java Ee Family: EJB, JPA, Hibernate, CDI, Servlets, RESTful Services (JAX-RS), SOAP Services (JAX-WS), Apache CXF & Bean Validation. โœ… Java Ee Web: JSF, JSP, Thymeleaf, Bootsfaces & Primesfaces. โœ… Spring Family: Spring MVC, Spring Boot (Data, Rest, Vault, Security & Cloud [Microservices etc.]). โœ… SQL: MySQL, PostgreSQL, MariaDB & Oracle โœ… NoSQL: MongoDB & Redis โœ… AWS: IAM, EC2, S3, RDS, Lambda, Elastic Beanstalk etc. โœ… Oracle Cloud Infrastructure (OCI): Compute Service & Autonomous JSON Database โœ… Message Queues: ActiveMQ & RabbitMQ. โœ… Networking: WebSocket (Stomp & SockJs), Socket & RMI. โœ… Testing: JUnit, Spring Test, Mockito, Integration Test, Unit Test. โœ… Versioning: Git, Github, BitBucket & VisualSVN. โœ… DevOps: Docker, Docker Compose & Jenkins. โœ… Web: HTML, CSS, SASS, Javascript, React Js, Bootstrap & Material UI. ๐ŸŒŸ WHY CHOOSE ME OVER OTHER FREELANCERS? ๐ŸŒŸ โœ… Client Reviews: I focus on providing VALUE to all of my Clients and Earning their TRUST. The Client Reviews and Feedback on my Profile are critical to me. โœ… Over-Delivering: My focus is on PROVIDING more than what I expect to RECEIVE. I take pride in leaving all of my Clients saying "Great Work." โœ… Responsiveness: Being responsive and keeping all lines of communication readily open with my Clients.
    vsuc_fltilesrefresh_TrophyIcon JetBrains IntelliJ IDEA
    API Development
    JavaFX
    Technology Tutoring
    Jakarta EE
    Java
    MySQL
    Java Persistence API
    MongoDB
    RESTful API
    React
    Spring Boot
    PrimeFaces
    PostgreSQL
    Docker
    JUnit
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