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Hire the best Hibernate Developers in Poland

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  • $85 hourly
    • 5.0/5
    • (8 jobs)
    Experienced Java developer with solid skills of system design and analytical mindset. I also have engineer's degree in computer science.
    Featured Skill Hibernate
    Vert.x
    Cucumber
    Micronaut
    JUnit
    Java
    Apache Groovy
    Microservice
    SQL
    Spring Framework
    Git
  • $60 hourly
    • 5.0/5
    • (7 jobs)
    Experienced backend Java developer with over a decade of expertise in developing and maintaining high-quality software solutions. My career includes roles at Accenture, Credit Suisse and GFT Group. Based in Poland, I have also worked in London with Luxoft and Unibet, a leading company in the gambling industry. Top-rated Upwork freelancer, ranked in the top 5% of performers with a 100% Job Success Score. Proficient in Java, Spring Boot, REST APIs, and cloud technologies (AWS). Adept at working with distributed international teams, emphasizing clean code practices and delivering challenging projects. Programming Languages: Java, JavaScript, Scala APIs & Integrations: RESTful APIs, GraphQL, WebSocket, RabbitMQ, JMS, Kafka Cloud & DevOps: AWS (Cloudformation), Docker, CI/CD (Jenkins, GitHub Actions) Frameworks & Tools: Spring Framework, Spring Boot, Hibernate, JPA Version Control: Git, GitLab, Bitbucket Databases: MySQL, PostgreSQL, MongoDB, Redis Testing: JUnit, Mockito, Cucumber, TDD Others: Observability, Keycloak, Angular, Maven, Bash
    Featured Skill Hibernate
    CI/CD
    Amazon Web Services
    Spring MVC
    Java Persistence API
    API
    Spring Boot
    RESTful API
    SQL
    Docker
    Web Application
    AngularJS
    Java
    MySQL
    Spring Framework
  • $45 hourly
    • 4.9/5
    • (11 jobs)
    Hello👋 Are you looking for experienced and certified Java engineers to boost your project? You are on the right page! Clear Solutions team provides Java engineers and grows their skills for you. We have more than 12 years of experience in IT and 8+ in Java. My team and I are happy to provide: 🚀 Java developers with transparent knowledge for transparent rates 🚀 People development services: technical assessments, mentoring, evaluation etc. Based on more than 500 interviews and technical assessments we made in the industry so far we created our own evaluation scale. Therefore you always know what set of knowledge you pay for each grade. Do you feel this is what you need? Let's schedule a quick call and find out how we could help you to grow ✅ I have an experience in the following: 👉 migration from on prem to AWS 👉 building microservce architecture from scratch 👉 delivering robust and high-quality code with unit tests 👉 building java high-load and distributed applications 👉 migration from monolith to microservices 👉 building the right engineering culture inside the company 👉 mentoring technical leaders Tech Stack: 🔹 Languages: Java 8, Java 16, Groovy. Spring boot, RESTful API, DB design, 🔸 Frameworks: Spring, Spring Boot, Hibernate, Spring Data 🔹 Clouds: AWS 🔸 SQL: PostgreSQL, MariaDB, Oracle 🔹 NoSQL: Elasticsearch, Redis, MongoDB, Cassandra, DynamoDB 🔸 Message brockers: Apache Kafka or RabbitMQ 🔹 Testing: Junit5, Testcontainers, Spock, RestAssured We have expertise in the following fields: ✅ FinTech, ✅ Trading, ✅ Cryptocurrency, ✅ Banking, ✅ Data processing, ✅ Healthcare, ✅ Social Networking and more. Do you feel this is what you need? Let's schedule a quick call and find out how we could help you to grow As a Backend Developer, I specialize in building robust Java Applications using Core Java, Spring Framework, and Spring Boot 3, leveraging tools like Maven, Gradle, and Bazel for efficient builds, and integrating Hibernate, JPA, and Apache POI for database and document handling. I have extensive experience with RESTful Architecture and SOAP for designing APIs, ensuring Application Security, and implementing testing frameworks like JUnit, JUnit5, Mochito, and AssertJ. I work across diverse environments, including Docker, AWS, Amazon Elastic Beanstalk, AWS Lambda, Google Cloud, and Azure (Azure Cosmos DB), utilizing databases like PostgreSQL, MySQL, MongoDB, Oracle Database, Microsoft SQL Server, IBM Db2, and RabbitMQ. On the frontend, I use HTML, CSS, JavaScript, TypeScript, Angular, AngularJS, and React, collaborating seamlessly using tools like Jira. For messaging and event-driven architecture, I rely on Apache Kafka, Apache ActiveMQ, and RabbitMQ, and for advanced testing, I employ Testcontainers. With a focus on Software Architecture & Design, I also develop Standalone Applications, Desktop Applications, and Web Services, ensuring scalable, secure solutions for enterprise systems and Microservices Architecture.
    Featured Skill Hibernate
    Amazon Web Services
    MySQL
    MongoDB
    Spring Boot
    Kubernetes
    RabbitMQ
    RESTful API
    Elasticsearch
    Docker
    Spring Framework
    Java
    SQL
    Apache Kafka
  • $60 hourly
    • 5.0/5
    • (7 jobs)
    Totally I have: 19 years of experience in software development, 11+ years in Java development and design of web applications 8+ years of Management experience (Project Manager position and Team Lead). High level of communication, organization and negotiation skills
    Featured Skill Hibernate
    Google Cloud Platform
    Liquibase
    JAXB
    Continuous Integration
    Web Application
    Apache Maven
    JUnit
    Spring Framework
    Spring Boot
    Quartz
    XML
    Java
    Apache CXF
    PostgreSQL
  • $90 hourly
    • 5.0/5
    • (11 jobs)
    Experienced Java EE, JavaScript, SQL developer. Over 6 years of experience in developing Web and Enterprise Applications. Backend: Java, Spring, Hibernate, IBatis/MyBatis, JAX-WS, JAX-B, Jersey, XSLT, Ruby on Rails, Docker, Telegram API Frontend: JavaScript, ReactJS, AngularJS, jQuery, HTML, CSS, Bootstrap, GWT, JSF, JSP. Version control: Mercurial, Git, SVN
    Featured Skill Hibernate
    iBATIS
    Java
    React
    CSS
    Spring Framework
    JavaScript
    AngularJS
    HTML
  • $35 hourly
    • 5.0/5
    • (18 jobs)
    Greetings, I proudly serve as the CTO at Intelliceed, a distinguished company with a relentless focus on Web App development. Our expertise spans diverse sectors, including: ✅ FINTECH ✅ HEALTHCARE ✅ SOCIAL NETWORKS AND MARKETPLACES ✅ E-LEARNING/LMS ✅ DOCUMENT MANAGEMENT SOFTWARE Our mission is nothing short of transformational: we are dedicated to making people's lives more convenient and efficient. Since our inception in 2017, Intelliceed has been at the forefront of improving the quality of life, having successfully delivered over 20 bespoke projects. Our team comprises exceptional talent, including React.js virtuosos, Java experts, DevOps maestros, Project Managers, and QA engineers. Our Impressive Technology Stack: 🔹 Back-End ✔ Java, Spring, Next.js ✔ Kafka, Jenkins, Docker, Kubernetes ✔ Hibernate, Redis, RabbitMQ ✔ AWS (SQS, DynamoDB, SNS), Azure, GCP ✔ MySQL, PostgreSQL, Elastic Search 🔹 Front-End ✔ JavaScript, React, React Native, Next.js, Angular ✔ HTML, CSS 📌 Our primary mission is to empower STARTUPS, BUSINESS OWNERS & FOUNDERS, and DIGITAL AGENCIES by supplementing their teams with seasoned engineers and developers. We are poised and ready to assist you with a wide range of services, including: 🔸 Web Application Development 🔸 Consulting and Business Analysis 🔸 Hybrid Applications Development 🔸 DevOps implementation with AWS, Azure, GCP cloud providers 🔸 Database Application Development 🔸 Manual and Automatic QA Our Engagement Models 🔥 Dedicated Team – Your extended, fully managed development team 🔥 Project Outsourcing – End-to-end project development 🔥 Outstaffing – Directly hiring skilled engineers 🔥 Team Recruitment – Assembling a team tailored to your project How It Works: 🔹 Introduction – We begin by understanding your request. 🔹 Talent Matching – Our team selects the right talent or team for your needs. 🔹 In-Depth Research – We analyze your request and define tailored collaboration terms. 🔹 Proposal & Negotiation – Intelliceed presents a customized proposal and refines it with you. 🔹 Contract Signing – We formalize the agreement. 🔹 Collaboration Begins – We launch our partnership and start working together. You can initiate a free consultation regarding your project to witness how we can synergize effectively. Send me an invite, and together, we'll embark on the journey of building remarkable projects that leave an indelible impact! Let's turn your vision into a reality. 🚀 🔥🔥🔥What Our Clients Say About Their Experience Working With Us ⭐⭐⭐⭐⭐ The guys are creative, proactive, and not afraid of difficulties. ⭐⭐⭐⭐⭐ We’re very impressed with the work that the team did. ⭐⭐⭐⭐⭐ We couldn't be happier and never experienced any performance or management issues with the IntelliCeed team. Everything we planned was correctly estimated and met all the milestones. ⭐⭐⭐⭐⭐ I broadly gave them instructions on what I wanted and they were able to produce it for me. ⭐⭐⭐⭐⭐ They're focused on delivering value. 𝐒𝐤𝐢𝐥𝐥𝐬 𝐢𝐧 𝐉𝐚𝐯𝐚 & 𝐄𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: 🔸 Java, Java EE (Servlets, JSP, JSTL) | Java Core, OOP, Collections & Stream API 🔸 Spring Framework (Spring Boot, MVC, Security, Data JPA) | Hibernate, JPA 🔸 RESTful API Design | OpenAPI | Swagger | Cucumber 🔸 Databases: PostgreSQL, MySQL, Oracle, MSSQL, MongoDB, DynamoDB 🔸 Frontend: JSF, PrimeFaces, jQuery, GWT, AngularJS, HTML/CSS/JS 🔸 Message Queues: RabbitMQ, ActiveMQ | Cronjobs & Event Handling 🔸 Servers: Tomcat, JBoss, WebSphere, WebLogic, Jetty, Apache, Nginx 🔸 DevOps & Tools: Docker, Jenkins, GitHub Actions, Git (GitHub, GitLab, Bitbucket), SVN, Maven, Ant, Liquibase 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 & 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞: 🔹 Strong command of Object-Oriented Programming & Design Patterns 🔹 J2EE Design Patterns, MVC Architecture, Facade/Service Layers 🔹 Data & Product Modeling | Import/Export Pipelines | Integration Layer 🔹 Test-Driven Development (TDD): JUnit, Mockito, AssertJ, Hamcrest 🔹 Cloud Platforms & Services: AWS (S3, SNS, SQS, DynamoDB) 🔹 API & Payment Gateway Integrations (Stripe, PayPal, Braintree, etc.) 🔹 Agile Methodologies: Scrum, Kanban | CI/CD with Jenkins, GitLab 🔹 Extensive experience in FinTech, Healthcare, Real Estate, and HR Systems 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐞𝐝 𝐒𝐤𝐢𝐥𝐥𝐬: Java EE Development, Enterprise Architecture (J2EE, MVC), Spring Framework (Boot, Security, Data JPA), RESTful API Development, Front-End Integration (JSF, PrimeFaces, jQuery, AngularJS), Microservices & Messaging (RabbitMQ, ActiveMQ), Containerization (Docker), Database Design (PostgreSQL, Oracle, MongoDB), Payment Systems Integration, Cloud Technologies (AWS: S3, SQS, SNS, DynamoDB), Testing & QA Automation (JUnit, Mockito, Cucumber), DevOps Practices (CI/CD with Jenkins, GitHub Actions, Maven), Agile Project Management, Version Control (Git, GitHub, GitLab), Cross-domain Experience (FinTech, Healthcare, Real Estate, HR Tech) Last updated: April 2025
    Featured Skill Hibernate
    Core Java
    Spring Security
    SQL
    Spring Framework
    AngularJS
    Google Web Toolkit
    Java
    MongoDB
  • $40 hourly
    • 5.0/5
    • (5 jobs)
    I have many years of experience in web applications development. Development stack: Java, JavaScript, TypeScript, SQL Experienced in java backend, frontend, web development, layout, dashboards, charts, maps, REST, forms, user management systems, complex data visualization, database, state management and much more. I took part in different projects for finance and analytics sector with full development cycle - customer specific portals for managing business processes, data visualization tools for risk analysis, complex user and content management systems. My primary skills: - Java, JavaScript, Typescript - Spring, Guice, Hibernate, Google Web Toolkit - Angular, RxJs, NgRx, D3.js, jQuery - HTML, CSS, SVG - SQL It is important for me to build long-term relationships with clients. I am ready to discuss requirements and communicate with your team.
    Featured Skill Hibernate
    Apache Kafka
    Couchbase Server
    Azure DevOps
    Docker
    Kubernetes
    HTML
    Angular
    JavaScript
    TypeScript
    CSS
    D3.js
    Java
    Spring Framework
    SQL
  • $60 hourly
    • 4.9/5
    • (17 jobs)
    With a rich background in software development, I specialize in Java and related technologies. My experience spans teaching, back-end development, and architecture, involving diverse projects from large-scale platforms to tailored client applications. Currently, I focus on designing and deploying cloud-based back-end solutions with a specialization in serverless architecture, security, integrations, and databases. I've collaborated with global corporations, provided consultancy services, and freelanced for SMEs and startups. My project portfolio ranges from high-traffic e-commerce applications to data-centric and cutting-edge solutions like low-code platforms and AI-integrated tools. Leveraging my extensive experience, I not only offer technical expertise but also provide valuable business insights to clients, advising on the strategic aspects of their applications. Moreover, I hold AWS certifications and boast a strong educational background with degrees in Computer Science and Organization Management.
    Featured Skill Hibernate
    Amazon S3
    Continuous Integration
    API Development
    Amazon EC2
    AWS Lambda
    AngularJS
    Spring Framework
    Java
    SQL
  • $500 hourly
    • 5.0/5
    • (33 jobs)
    🥇Expert-vetted (top 1%) Upwork freelancer. 💡Top AI voice in LI. 👔 10+ years of experience on executive tech positions. ⭐️⭐️⭐️⭐️⭐️ "Ivan seamlessly navigated the complexities of the non-deterministic nature of OpenAI/LLMs. Highly recommend! Ivan - Exceptional work on our POC. Thank you." ⭐️⭐️⭐️⭐️⭐️ "Amazing to work with. Went above and beyond expectations." ⭐️⭐️⭐️⭐️⭐️ "Ivan understands AI and LLMs really well, he’s a great communicator and transparent about his methods and efforts." ----------------------- Hello! I'm all about technology and the magic it brings to our lives. . There's something truly special about building things from scratch and watching them take off. With a solid foundation in tech, I have a particular interest in the final product — its user experience, design, and the customer's journey. Collaborating with product and business teams is something I thoroughly enjoy, as it brings together different perspectives for a common goal. My area of expertise lies in Artificial Intelligence, Machine Learning, and Natural Language Processing. Here are some of the services I commonly offer: - Strategic AI audits and guidance - Elevating existing products with AI enhancements - Designing and developing new AI-centric solutions - PoC/MVP for AI projects I've had the privilege of working with over 50 companies, including notable names like UBS, Yahoo, STC, and Hitachi. This experience has allowed me to contribute significantly to the growth and transformation of various products. Interested in exploring how AI can revolutionize your product? I'd love to chat about your vision and how we can bring it to life. Feel free to reach out, and let's start a conversation about your next big step in innovation. ----------------------- Some of my AI and ML skills include: ✅ Data Science and Machine Learning expertise including Deep Learning, Natural Language Processing, and Computer Vision using TensorFlow, PyTorch, Keras, scikit-learn, Numba, etc. ✅ API Development and Integration, including external API integration like OpenAI API. ✅ Expertise in Reinforcement Learning and its applications in complex environments using libraries like OpenAI Gym, Stable Baselines, and RLlib. ✅ Advanced skills in data preprocessing, feature engineering, and dimensionality reduction techniques for machine learning models. ✅ Proficiency in time-series analysis and forecasting using ARIMA, LSTM, and Prophet for predicting future trends. ✅ Development of chatbots and virtual assistants using platforms like Dialogflow, Rasa, and Microsoft Bot Framework. ✅ Experience with Generative Adversarial Networks (GANs) for creative applications such as art generation, style transfer, and data augmentation. ✅ Implementation of recommendation systems using collaborative filtering, content-based, and hybrid approaches. ✅ Proficient in big data analytics using Apache Spark, Hadoop, and related ecosystems for handling large-scale data processing. ✅ Knowledge of edge computing and deploying AI models on edge devices using TensorFlow Lite, PyTorch Mobile, and ONNX. ✅ Expertise in computer vision tasks like object detection, image segmentation, and facial recognition using OpenCV and Dlib. ✅ Strong background in mathematics and statistics, essential for algorithm development and model optimization. ✅ Experience with cloud platforms like AWS, Google Cloud, and Azure for deploying and scaling machine learning models. ✅ Capable of conducting AI-driven research and development, staying at the forefront of emerging technologies and methodologies. ✅ Ability to communicate complex AI/ML concepts to non-technical stakeholders and collaborate effectively with interdisciplinary teams. P.S. Curious about the future of AI in your industry? Drop me a message, and I'll share my insights and predictions!
    Featured Skill Hibernate
    RESTful Architecture
    RESTful API
    NGINX
    Web Application
    Database Architecture
    API Integration
    Elasticsearch
    Spring Framework
    Java
    Docker
    Microservice
    Apache Kafka
    Kubernetes
    Architectural Design
  • $40 hourly
    • 0.0/5
    • (0 jobs)
    💥Expert Backend Architect & Developer💥 Greetings✌️, I am an experienced Software Architect, Developer, Quality Analyst and a Mentor building cutting edge solutions that drive businesses forward. Specializing in Java, Spring, Spring Boot, Hibernate, Webservices, Microservices and different databases, I thrive on tackling complex challenges and transforming them into efficient solutions. Whether you're a starting a startup embarking on your digital journey or an established enterprise seeking to elevate your backend infrastructure, I'm here to partner with you every step of the way. From architecting robust APIs to optimizing database schemas, I have Developed & Supported 20+ green field enterprise projects. Hands on with technologies : Java, J2EE, Spring, Sprint Boot, Hibernate, Microservices, Javascript, Jquery, React JS, HTML, CSS, Oracle, MYSQL, Redis, UX/UI, AWS Cloud. Business Domians: 1. Banking & Financial Services 2. Travel - Specializing in Flights Integration - NDC 3. Health Care 4. Ecommerce
    Featured Skill Hibernate
    J2EE
    Java
    JavaScript
    Spring Framework
    React
    Spring Boot
    HTML
    jQuery
    Microservice
  • $20 hourly
    • 5.0/5
    • (5 jobs)
    Overview: With over 6 years of hands-on experience in software development, I bring a wealth of expertise in designing, developing, and deploying high-performance applications. My primary focus is on building scalable, secure, and maintainable solutions that drive business success. I am proficient in a wide range of technologies, including: Languages: Java, Kotlin, Python Cloud & DevOps: AWS, Terraform Database: PostgreSQL Frameworks: Spring Boot, Spring MVC, Thymeleaf Testing: JUnit What I Offer: Full-Stack Development: From designing intuitive user interfaces to building powerful back-end systems, I deliver end-to-end solutions. Cloud Solutions: Leveraging AWS and Terraform, I can set up, manage, and optimize cloud infrastructures, ensuring your applications are both scalable and cost-effective. Microservices Architecture: Skilled in Spring Boot and Spring MVC, I create modular and efficient microservices that enhance performance and maintainability. Database Management: I specialize in PostgreSQL, ensuring your data is structured, secure, and optimized for high-speed access. Test-Driven Development: Utilizing JUnit, I write clean, reliable code that passes rigorous testing, reducing bugs and improving software quality. Why Work With Me? Problem Solver: I excel in tackling complex challenges and finding innovative solutions that align with your business objectives. Detail-Oriented: My code is not just functional but also clean, well-documented, and maintainable. Client-Focused: I prioritize communication and collaboration, ensuring that your vision is realized in every project. Let’s collaborate to turn your ideas into reality with cutting-edge software solutions. I'm excited to help you achieve your goals!
    Featured Skill Hibernate
    PostgreSQL
    Java
    API
    RESTful Architecture
    API Integration
    SQL
    Spring Boot
    Thymeleaf
  • $45 hourly
    • 2.7/5
    • (2 jobs)
    I'm a dedicated Software Engineer with over 8 years of rich industry experience. Along the way, I've honed my leadership skills by managing dynamic teams and have become known for my excellent communication abilities, both with technical teams and non-technical stakeholders. My expertise lies in Java, Microservices, and creating robust Cloud-centric solutions. I also possess a strong background in constructing automated CI/CD pipelines on GitLab, ensuring efficient and streamlined development cycles. While these form my core strengths, I'm also well-versed in Python and bash-scripting, bringing a diverse skill set to any project. I take pride in having architected and developed two Cloud-native projects from scratch: a dockerized Spring Cloud Microservices application on AWS and a highly scalable serverless AWS Lambda-based application. I'm eager to channel my skills and passion into enhancing and driving forward your product or service. Let's collaborate to achieve excellence!
    Featured Skill Hibernate
    CI/CD
    React
    AWS Lambda
    Amazon Web Services
    SQL
    RESTful API
    Apache Kafka
    JavaScript
    Spring Framework
    Java
    Python
    Microservice
    API
    MongoDB
  • $25 hourly
    • 5.0/5
    • (9 jobs)
    I am a full stack developer with experience in building medium and enterprise web applications. I’m experienced in Java, JavaEE, Spring, HTML/CSS/JS, React, JPA, Databases Also I have some experience Docker, RabbitMQ, ELK stack, I’ll fully project manage your brief from start to finish Regular communication is really important to me, so let’s keep in touch!”
    Featured Skill Hibernate
    Servlet
    Spring Framework
    React
    Spring Security
    CSS
    HTML
    Spring Batch
    EJB
    Spring Boot
    Java
    JavaScript
    JSTL
    Jakarta Server Pages
    jQuery
  • $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
    Featured Skill Hibernate
    Microservice
    Spring Framework
    React
    DevOps
    JavaScript
    PostgreSQL
    Java
    MongoDB
    Node.js
    Jenkins
    CI/CD
    Kubernetes
    Amazon Web Services
    Docker
  • $30 hourly
    • 5.0/5
    • (5 jobs)
    Experienced Java Developer with 5+ years in backend development. Proficient in Java, Spring, Quarkus, and cloud technologies. Strong expertise in microservices, databases, and DevOps tools. Adept at designing scalable architectures and optimizing application performance. Passionate about writing clean, maintainable code and mentoring junior developers.
    Featured Skill Hibernate
    GraphQL
    PostgreSQL
    MySQL
    Elasticsearch
    Gradle
    Spring Boot
    CI/CD
    Apache Kafka
    Docker
    API
    RESTful API
    RabbitMQ
    Object-Oriented Programming
    Web Development
  • $63 hourly
    • 5.0/5
    • (1 job)
    I'm a passionate Java developer who's aim is to deliver the perfect software for the customer. I wouldn't describe myself just as a developer who translates English into Java. I like to take actively part in software development, like taking architectural decisions, talking with business about functionalities, brainstorming on challenges. My core experience is Java, Spring Boot. We worked both on big and smaller projects.
    Featured Skill Hibernate
    Spring Cloud
    RabbitMQ
    Kubernetes
    SQL
    Spring Data
    Java
    Spring Batch
    MySQL
    MongoDB
    Docker
    Spring Boot
  • $45 hourly
    • 0.0/5
    • (1 job)
    - Results-driven software engineer with 3 years experience in IT - Programming Languages: Java, Javascript - Experienced in estimating, designing, implementing and testing of Java-based complex and high-performance applications - Soft skills are teamwork, time-management, quick witty, assiduity, communication - Interested in staying up-to-date with the latest technologies and best practices in software development.
    Featured Skill Hibernate
    AWS Development
    Apache Kafka
    Spring Cloud
    React
    Kubernetes
    Facebook JavaScript
    Spring Data
    Spring Boot
    JavaScript
    Java
  • $25 hourly
    • 5.0/5
    • (2 jobs)
    I am a Java Engineer with four years of experience in commercial development, and I successfully fulfill my responsibilities by creating high-quality software. My skill sets: ⚡ Spring Family: Spring MVC, Spring Boot, Spring data JPA, Spring batch, Spring security, Spring ORM ⚡ Java (8, 11 & 17): JavaSE, JavaFx, JDBC, Swing, Java Beans, java Mail ⚡ Java Ee Family: EJB, JPA, Hibernate, CDI, Servlets, RESTful Services (JAX-RS), SOAP Services (JAX-WS), Liquibase, FlyWay ⚡ Builders: Maven, Gradle ⚡ Java Ee Web: JSF, JSP, Thymeleaf ⚡Devops: AWS(EC2, lambda, S3 bucket), Kubernetis, Docker ⚡DB: Mongodb, Postgresql. MySQL, Oracle, Redis ⚡Javascript, Typescript, React - basic knowledge ⚡ Version control: Github, Gitlab, BitBucket I'll be glad to be useful for your project. Feel free to chat me.
    Featured Skill Hibernate
    Unit Testing
    CSS
    HTML
    Docker
    Spring Framework
    RESTful API
    Back-End Development
    Java
  • $20 hourly
    • 5.0/5
    • (1 job)
    Hello! 👋 I’m Oleksandr, a Senior Full-Stack Developer with over 4 years of experience. I specialize in building robust web applications using Spring Boot and Angular, and have extensive experience in backend and frontend development. I help businesses streamline their processes, improve performance, and deliver seamless user experiences. Tech stack: - Java, Spring Boot, Spring Security, Spring Framework, JUnit, Mockito - JavaScript, TypeScript, Angular, Vue - SQL (MySQL, MariaDB), NoSQL (Redis) - HTML, CSS (SCSS, Bootstrap, Tailwind) - Maven, Docker, Git, Jira, Jenkins - PHP, Symfony , Laravel Let's talk I can help you! 💬 Regards Oleksandr
    Featured Skill Hibernate
    Web Development
    SCSS
    NoSQL Database
    SQL
    Git
    JavaScript
    TypeScript
    Jenkins
    Docker
    Docker Compose
    Spring Security
    Spring Boot
    Spring Framework
    Java
  • $35 hourly
    • 0.0/5
    • (0 jobs)
    🚀 Passionate Java/Kotlin developer with a track record of building robust, scalable solutions for the fuel industry and beyond. With expertise in Spring Boot, Hibernate, REST APIs, and Hexagonal Architecture, I specialize in designing and implementing back-end systems that drive efficiency and innovation. 🔹 Back-End Development: I create high-performance applications with Spring Boot, Spring Security, and PostgreSQL while ensuring clean, maintainable code following SOLID principles. 🔹 System Integration & Automation: Skilled in integrating complex systems, including National e-Invoicing System implementations and synchronization solutions for data consistency. 🔹 DevOps & CI/CD: Hands-on experience with Docker, Jenkins, Git, and Maven, ensuring smooth deployments and efficient workflows. 🔹 Testing & Code Quality: Adept at writing reliable tests using Groovy, Spock, and JUnit to maintain software integrity. 💡 Problem-solver at heart, I thrive in agile environments, collaborating with cross-functional teams to deliver cutting-edge solutions. If you’re looking for a developer who combines technical excellence with a proactive mindset, let’s connect!
    Featured Skill Hibernate
    Spock
    JUnit
    Grafana
    Prometheus
    Oracle Database
    PostgreSQL
    Spring Security
    Spring Data JDBC Extensions
    Spring Data
    Spring Boot
    Spring MVC
    Kotlin
    Java Persistence API
    Java
  • $39 hourly
    • 0.0/5
    • (0 jobs)
    I am a Java developer with 6+ years of commercial development experience. I am a purposeful and highly motivated person who can adjust quickly to new surroundings. My qualities such as sociability, flexibility and reliability make me good at teamwork. I am well organised and detail oriented, which I believe is a key to successful responsibilities management.
    Featured Skill Hibernate
    Kubernetes
    Docker
    Redis
    RabbitMQ
    Oracle Database
    PostgreSQL
    Spring Boot
    Java
  • $35 hourly
    • 5.0/5
    • (3 jobs)
    I'm an experienced software engineer, passionate about solving complex problem with the cutting edge technologies. My expertise includes developing distributed & cloud-based systems, building low-latency services by using reactive and event-driven approaches, leading a development team and mentoring people. Currently I work on a personalized recommendations system in Tesco (one of the largest UK retailers)
    Featured Skill Hibernate
    Core Java
    English
    RESTful Architecture
    Microservice
    Spring Framework
    Web Service
    Java
    Apache Groovy
  • $25 hourly
    • 5.0/5
    • (2 jobs)
    More than 9 years of professional experience. Proven expertise in full application software life cycle development involving Analysis, Design, Development, Testing, Implementation of application software. Proficient in many java programming frameworks. Excellent technical, managerial and teamwork skills. In my spare time I create computer games.
    Featured Skill Hibernate
    Unreal Engine
    libGDX
    Java
    Spring Security
    Spring Framework
    Spring Boot
  • $35 hourly
    • 5.0/5
    • (2 jobs)
    I am a Software Engineer with more than 8 years of experience programming web applications and services (mostly in Java and Scala). I have a solid knowledge of developing REST services and event-based microservices using modern technologies and practices. In my day-to-day work I try to apply clean code practices and design patterns to develop readable and maintainable code. Also I have good communication skills and ready to face challenges. I like open source, knowledge sharing and building better software. If you have more questions - feel free to PM me or contact me using other channels.
    Featured Skill Hibernate
    Kubernetes
    Docker
    Apache Kafka
    Redis
    PostgreSQL
    Amazon Web Services
    Spring Framework
    Java
  • $15 hourly
    • 0.0/5
    • (1 job)
    Currnetly I'm working as a developer for nearly 8 years. I was taking part in many different projects - document workflows, banking, WMS, development institutions. My expirience covers following topics: - java 8, - spring boot, - microservices, - AWS, - postgresql, - maven/gradle -webservices -git -jira
    Featured Skill Hibernate
    TypeScript
    Jira
    MongoDB
    JUnit
    SOAP
    RabbitMQ
    PostgreSQL
    Gradle
    Kotlin
    RESTful Architecture
    Spring Boot
    SQL
    Java
    Git
  • $50 hourly
    • 0.0/5
    • (0 jobs)
    I am an skillful architect and full-stack developer with 15 years of experience. I have a designed and developed tens of systems for Fin-Tech, Financial and Public Trust companies. I am passionate about software craftsmanship and take pride in delivering solutions that meet and exceed my client's expectations. When working with my clients I bring a range of skills and expertise to the table. Here are some of my key strengths: 𝗦𝘆𝘀𝘁𝗲𝗺 𝗗𝗲𝘀𝗶𝗴𝗻 - I have extensive experience in designing and developing large scale, enterprise systems with a focus on scalability, performance, and maintainability. I believe in value of employing various workshop techniques and applying Domain Driven Design approach. 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 - My full-stack development skills encompass frontend and backend development, database design, API development, and CI/CD implementation. I am proficient in Java, Kotlin, Angular, React, and Type Script, among other languages and frameworks. I have broad experience in designing, implementing and integrating with various API's (REST, SOAP, JMS, Kafka) 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆 - After years of work in security critical projects I have particular focus on security. I am well-versed in topics such as OWASP, API Security, Federated Identity, MFA, PKI, digital identity and digital signature,, and data security. 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗮𝗻𝗱 𝗧𝗲𝗮𝗺 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 - I am adept at managing the application development cycle and agile team workflow to ensure efficient and effective software development. 𝗖𝗹𝗼𝘂𝗱 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 𝗮𝗻𝗱 𝗠𝗶𝗰𝗿𝗼𝘀𝗲𝗿𝘃𝗶𝗰𝗲𝘀 - My expertise extends to cloud technologies and microservices architecture, with experience using Docker, Kubernetes, and OpenShift. I have worked with many different cloud providers in the past, including Azure, GCP, Red Hat, Open Telecom and more. 𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 𝗦𝗵𝗮𝗿𝗶𝗻𝗴 - Sharing knowledge with developer teams on good practices and software design patterns is a particular strength of mine. I enjoy encouraging self-development and continuous learning among team members and co-workers. Some of my skills: • 𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗶𝗻𝗴 𝗟𝗮𝗻𝗴𝘂𝗮𝗴𝗲𝘀: Java, Kotlin, Scala, JavaScript, TypeScript, PL/SQL, Bash, Python • 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸𝘀: Spring / Spring Boot, JPA/Hibernate, Micronaut, Node.js, Angular, React, Redux • 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀: SQL (Oracle, MicrosoftSQL, PostgreSQL, H2 and more), Elasticsearch, Cassandra, Neo4J • 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗦𝗲𝗿𝘃𝗲𝗿𝘀: Apache, Nginx, Tomcat, Jetty, JBoss • 𝗧𝗲𝘀𝘁𝗶𝗻𝗴: JUnit, Mockito, Selenium, Postman, JMeter • 𝗖𝗜/𝗖𝗗: Maven, Gradle, NPM, Grunt, Yarn, Bitbucket Pipelines, Jenkins, Bamboo, Ansible • 𝗔𝗱𝗱𝗶𝘁𝗶𝗼𝗻𝗮𝗹 𝗧𝗼𝗼𝗹𝗶𝗻𝗴: JProfiler, ELK Stack, Graphana, Prometheus, JCache, Ehcache, Terracota, Redis, JMS, Kafka • 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗖𝗿𝗮𝗳𝘁𝘀𝗺𝗮𝗻𝘀𝗵𝗶𝗽: OOD, Design and Architectural Patterns, DDD, RWD,
    Featured Skill Hibernate
    Artificial Intelligence
    ChatGPT
    Spring Framework
    React
    Software Architecture & Design
    API Development
    Angular
    CI/CD
    Clean Architecture
    Kotlin
    Spring Boot
    Architectural Design
    Python
    Java
  • $20 hourly
    • 0.0/5
    • (0 jobs)
    As a Java Backend Developer with a background in Computer Science and Telecommunication, I have expertise in programming and data structures, utilizing OOP principles to tackle complex challenges with clean and efficient code. My professional experience involves working with Java Spring Boot, Spring Security, PostgreSQL, and Docker to deliver high-quality results. I am enthusiastic about contributing to meaningful projects and collaborating with like-minded professionals. Currently I’m working as a Java Backend developer at Codepred Poznań ( software house). I’m looking for more opportunities to growing as a Java Backend developer.
    Featured Skill Hibernate
    Data Structures
    Swagger
    Spring Data
    Oracle Database
    Database
    Spring Boot
    Java
    Git
    PostgreSQL
    RESTful API
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