Hire the Best Java Developers
in Germany

Clients rate our Java developers
Rating is 4.8 out of 5.
4.8/5
Based on 163 client reviews
Aleksey K.

Berlin, Germany

$40/hr
5.0
1 jobs

Highly skilled and accomplished Senior Java Developer with more than 6 years of experience and a proven track record of delivering high-quality software solutions. Committed to staying up-to-date with the latest technologies and frameworks. Seeking a challenging position to contribute my expertise in Java development and frameworks to drive innovation and success for a leading organization. Skills: Programming Languages: Java, Kotlin, SQL Java Frameworks: Spring (Boot, Integration, Security, Batch, MVC, Data, WebFlux), Hibernate Tools: Lombok, JOOQ, Mapstruct, ELK Web Development: HTML5, CSS3, TypeScript, jQuery, Swagger Database Technologies: Oracle, PostgreSQL, Flyway, Liquibase Version Control Systems: Git Agile Methodologies: Scrum, Kanban Testing: JUnit, Mockito, Cucumber, Selenium, SonarQube, DBUnit IDEs: IntelliJ IDEA CI/CD: Jenkins, GitLab, Bitbucket Containers/Orchestration: K8s, Docker, OpenShift Messaging: Kafka, RabbitMQ, Solace Strong problem-solving and analytical skills Excellent teamwork and collaboration abilities. Mentorship and leadership experience. Dedication to the result, accountability and adaptiveness. Certifications: Red Hat Certified Specialist in OpenShift Application Development

  • Java
  • JUnit
  • Spring Boot
  • Back-End Development
  • PostgreSQL
  • Oracle
  • Spring Batch
  • Spring Data
  • Spring Integration
  • Spring MVC
  • Spring Security
  • Jenkins
  • Apache Kafka
  • Google Cloud Platform
  • OpenShift
Illia K.

Stuttgart, Germany

$100/hr
5.0
23 jobs

๐–๐ก๐ฒ ๐‹๐ž๐š๐๐ข๐ง๐  ๐‚๐จ๐ฆ๐ฉ๐š๐ง๐ข๐ž๐ฌ ๐‚๐ก๐จ๐จ๐ฌ๐ž ๐Œ๐ž ๐Ÿ๐จ๐ซ ๐“๐ก๐ž๐ข๐ซ ๐Ÿ ๐ŸŽ๐ŸŽ๐ŸŽ,๐ŸŽ๐ŸŽ๐ŸŽ $ ๐๐ซ๐จ๐ฃ๐ž๐œ๐ญ๐ฌ With 12+ years mastering backend systems, cloud architecture, and API integrations, I've helped companies like Macy's, Canadian Tire, and HPE transform their technical vision into reality. Now it's your turn. Letโ€™s kick things off with something valuable: ๐Ÿ’ฅ๐…๐‘๐„๐„ ๐๐ซ๐จ๐ญ๐จ๐ญ๐ฒ๐ฉ๐ข๐ง๐  ๐๐š๐œ๐ค๐š๐ ๐ž๐Ÿ’ฅ. Iโ€™ll create your first prototype ๐š๐ญ ๐ง๐จ ๐œ๐จ๐ฌ๐ญ to get your idea moving. Just text me! โš™๏ธ ๐“๐ž๐œ๐ก๐ง๐จ๐ฅ๐จ๐ ๐ข๐ž๐ฌ ๐ˆ ๐ฐ๐จ๐ซ๐ค ๐ฐ๐ข๐ญ๐ก ๐๐š๐ข๐ฅ๐ฒ: - ๐๐š๐œ๐ค๐ž๐ง๐ & ๐…๐ซ๐š๐ฆ๐ž๐ฐ๐จ๐ซ๐ค๐ฌ: TypeScript, JavaScript, Node.js, Java, React, NextJS, NestJS, Spring Boot, Angular.js, Vue.js - ๐ƒ๐š๐ญ๐š๐›๐š๐ฌ๐ž๐ฌ: PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch - ๐‚๐ฅ๐จ๐ฎ๐ & ๐ƒ๐ž๐ฏ๐Ž๐ฉ๐ฌ: AWS (EKS, S3, RDS, Lambda, SQS), Docker, Kubernetes, Terraform, GitLab CI/CD, Linux - ๐€๐๐ˆ & ๐ˆ๐ง๐ญ๐ž๐ ๐ซ๐š๐ญ๐ข๐จ๐ง๐ฌ: REST, SOAP, GraphQL, OpenAPI/Swagger, Stripe, Airwallex, Routfusion, Fortress, Express, Firebase, Webhooks, JSON - ๐’๐ญ๐ฒ๐ฅ๐ž & ๐ƒ๐ž๐ฌ๐ข๐ ๐ง: HTML5, CSS3, Bootstrap, SASS, LESS, NPM, Gulp, AJAX, Webpack - ๐“๐ž๐ฌ๐ญ๐ข๐ง๐  & ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ฆ๐ž๐ง๐ญ ๐๐ซ๐š๐œ๐ญ๐ข๐œ๐ž๐ฌ: Unit Testing (Jest, JUnit), Agile/Scrum, Git, GitFlow, Responsive Design, Mobile-First ๐Ÿ“ฃ What Clients Say About Me and my team: โญโญโญโญโญ "Sednor Holdings Limited delivered high-quality development work on our AWS-hosted web application. Their technical expertise in both Java and React scaled the project from scratch. Weโ€™ve invested over $500,000, and Iโ€™d gladly work with them again." โ€“ ๐‚๐ก๐ž๐ญ๐ญ ๐‘๐ฎ๐›๐ž๐ง๐ฌ๐ญ๐ž๐ข๐ง, VP Principal Architect at Hewlett Packard Don't wait - your success story starts now. Click here and let's get started.๐Ÿš€

  • Java
  • Spring Framework
  • JavaScript
  • NestJS
  • React
  • Node.js
  • Full-Stack Development
  • TypeScript
  • Angular
  • Back-End Development
  • MySQL
  • HTML5
  • CSS
  • FinTech
  • Finance
  • Next.js
  • Microservice
  • Web Application
  • Front-End Development
  • AI Development
Igor D.

Berlin, Germany

$45/hr
5.0
33 jobs

As an Expert Engineer with over 8 years of experience, I specialize in Java and Kotlin development within the Spring and Spring Boot frameworks. Here's a breakdown of my skills: * Java + Kotlin software development: 4+ years * Spring framework: 5+ years * Cloud solution architecture with Spring: 2.5+ years * Diverse database expertise: SQL (e.g., PostgreSQL) and NoSQL (e.g., MongoDB, Elasticsearch, Dgraph) * Proficiency in messaging systems: Kafka, RabbitMQ * Strong integration skills with tools like Prometheus, Grafana, Jenkins, and Docker * Non-production development experience in C/C++: 4+ years, C# development: 1+ year * Fast learner with a passion for exploring innovative technologies * Architectural design tailored to project requirements * Analytical skills for solution evaluation and enhancement. With a proven track record of delivering high-quality software solutions, I thrive in dynamic environments where innovation and continuous improvement are encouraged.

  • Java
  • Spring Framework
  • PostgreSQL Programming
  • Elasticsearch
  • Gradle
  • Kotlin
  • MongoDB
  • Java Persistence API
  • API
  • PostgreSQL
  • JDBC
Jens O.

Bayreuth, Germany

$80/hr
5.0
7 jobs

I'm an experienced Java developer, in the business for 15 years now. I worked for Start-ups, mid size companies and enterprises over the areas of telecommunication ๐Ÿ“ฑ, FinTech ๐Ÿ“ˆ, retail, eMobility, logistics๐Ÿšš, renewable energies and defense. ๐Ÿ”งOften I also do the DevOps task: "You build it, you run it" ๐ŸงLinux is my preferred OS for 25 years now, using it as desktop, on servers or for embedded devices. My main/favorite topics are: โญ Test driven development โญ Code quality โญ Dependency upgrades โญ Java version upgrades โญ Dependency security audits โญ Clean Code โญ Code Reviews โญ Build automation โญ System tests Key Technologies: โœ… Java 8-21 โœ… Spring Boot 2+3 โœ… JPA โœ… PostgreSQL โœ… MongoDB โœ… Kafka โœ… RabbitMQ โœ… Karaf OSGi โœ… Maven/Gradle โœ… Junit 5 โœ… Mockito โœ… AssertJ โœ… Jenkins โœ… GitHub Actions โœ… GitLab CI โœ… SonarQube โœ… Docker โœ… Kubernetes โœ… Cloud

  • Java
  • Spring Boot
  • MongoDB
  • SonarQube
  • Ansible
  • Docker
  • CI/CD
  • DevOps
  • Code Refactoring
  • Code Review
  • Spring Cloud
  • PostgreSQL
  • GitHub
  • Test-Driven Development
  • Mockito
Halil Ibrahim U.

Albstadt, Germany

$50/hr
5.0
2 jobs

๐Ÿš€ Delivering Tailored Solutions with Precision & Expertise For over 4 years, Iโ€™ve been developing, deploying, and automating end-to-end applications across frontend, backend, cloud, and DevOps. I handle everything from development to cloud deployment, whether itโ€™s Angular, Spring Boot, Node.js, or AWS. Iโ€™ve provided consultancy to enterprise-level clients in sectors like finance and insurance, delivering projects that work seamlessly. Why Hire Me? โœจ Sector Expertise: Deep insight into finance and insurance, able to tackle specific challenges and deliver tailored solutions. โœจ Commitment to Quality: Recognized for enhancing systems with a focus on reliability, accuracy, and robust performance. โœจ Tech Versatility: Skilled in both front-end and back-end development, capable of seeing projects from concept through to production. Core Competencies: ๐Ÿš€Application Modernization: Skilled in transforming outdated systems with modern technology to improve business operations. ๐Ÿš€Project Leadership: Proven ability in guiding projects and teams towards achieving software development goals efficiently. ๐Ÿš€Technical Collaboration: Effective at working with diverse teams, ensuring software solutions are delivered seamlessly and meet quality standards. Technical Skills: โœ… Frontend: Proficient in Angular for dynamic, user-friendly interfaces. โœ… Backend: Experienced in Java, Spring Boot, and Node.js for robust server-side solutions. โœ… Database Management: Skilled in SQL, NoSQL, MongoDB, and Oracle PL/SQL for comprehensive data handling. โœ… Cloud and DevOps: Expert in using AWS, Docker, and Kubernetes to ensure scalable, reliable application deployments. Let's Connect! If you're looking for a comprehensive approach where strategic consultation, problem-solving, and technical expertise merge for outstanding results I'd love to collaborate with you!

  • Java
  • Software Architecture & Design
  • Spring Boot
  • Node.js
  • Angular
  • ExpressJS
  • TypeScript
  • JavaScript
  • SQL
  • RESTful API
  • DevOps
  • Linux
  • NoSQL Database
  • Amazon
Tahir I.

Koblenz, Germany

$30/hr
5.0
1 jobs

Hello! I'm a highly skilled Java software developer with 5 years of professional experience. I am passionate about writing clean and efficient code, and I have a strong foundation in object-oriented programming principles. My expertise lies in developing robust and scalable web applications using Java, Spring framework, and related technologies. I have a deep understanding of MVC architecture and have successfully built RESTful APIs, integrating them with various frontend frameworks. Here are some key highlights of my skill set: 1. Java Development: I have extensive experience in Java programming, including core Java, multithreading, and design patterns. I am proficient in using frameworks like Spring Boot, Hibernate, and JPA for rapid development. Additionally, I have experience with Aspect-Oriented Programming (AOP) to modularize cross-cutting concerns in applications. 2. Database Management: I have worked with different database systems, including MySQL, Oracle, and MongoDB. I am proficient in writing complex SQL queries, optimizing database performance, and designing efficient database schemas. 3. Testing and Debugging: I have a strong understanding of unit testing frameworks like JUnit and integration testing using tools such as Mockito. I am skilled in debugging and resolving complex issues, ensuring high-quality code and reliable applications. 4. Version Control and Collaboration: I am comfortable working with Git and have experience collaborating with distributed teams using platforms like GitHub and Bitbucket. I understand the importance of clear communication and timely updates. 5. Agile Methodologies: I am well-versed in Agile software development methodologies, including Scrum and Kanban. I am accustomed to working in fast-paced environments, delivering iterative solutions, and adapting to changing requirements. 6. Iโ€™m a JavaScript / TypeScript developer with strong experience building modern, high-performance web applications using React, Angular, Node.js, HTML, and CSS. I help clients turn ideas into clean, scalable, and maintainable productsโ€”whether thatโ€™s a new app from scratch, improving an existing codebase, or fixing hard-to-track bugs. Additionally, I have experience in the following areas: - AOP: I have implemented Aspect-Oriented Programming techniques to achieve modularity and separation of concerns in Java applications. - Multithreading and Parallel Programming: I have worked on projects involving multithreading and parallel programming, optimizing performance and utilizing system resources efficiently. - Docker: I have used Docker to containerize applications, ensuring portability and scalability across different environments. - Web Server and TCP Server: I have developed web servers and TCP servers using Java, enabling efficient communication and handling of requests. I am dedicated to delivering high-quality projects, meeting deadlines, and exceeding client expectations. I am committed to writing clean and maintainable code, following best practices and industry standards. If you are looking for a dedicated and experienced Java developer who can bring your ideas to life, I would be delighted to discuss your project requirements. Please feel free to reach out to me, and let's create something exceptional together!

  • Java
  • Spring Boot
  • Spring Framework
  • Spring Cloud
  • Spring Security
  • Server
  • Web Server
  • Spring MVC
  • Game Development
  • Unity

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