Senior Java Developer

About the Team

Devoteam Creative Tech is Belgiums leading digital consultancy specializing in cloud-native development AI innovation and modern software engineering. Our multidisciplinary teams work on high-impact projects for top-tier clients across industries from intelligent automation to large-scale platform modernizations. We foster a culture of curiosity continuous learning and creative problem-solving.

About the Role

As a Senior Java Developer at Devoteam Creative Tech you will take on a prominent role in designing building and maintaining high-performance enterprise applications and modern back-end services with foundational capabilities in any front-end frameworks (e.g. Angular React ). This is an AI Augmented position: you are expected to actively integrate AI tools and techniques into your daily workflow to accelerate development drive code quality and build intelligent application features.

Mission

• Take on a prominent role in the software architecture and design of enterprise applications maintaining clean scalable and maintainable Java codebases.

• Design and implement robust back-end microservices REST APIs and databases with optimized performance security and scalability.

• Build and integrate responsive front-end components to support full-stack project delivery and client requirements.

• Leverage AI-assisted software engineering tools (e.g. GitHub Copilot Cursor Antigravity Google Gemini Claude) to streamline coding unit testing debugging and documentation processes.

• Design and implement AI-powered features including LLM API integrations RAG pipelines intelligent automation and conversational interfaces.

• Participate in code reviews automated testing and quality assurance processes to drive engineering excellence.

• Provide technical guidance and mentorship to junior developers while effectively communicating with clients and business stakeholders.

Qualifications :

Profile

• Strong analytical problem-solving and architectural skills with a deep understanding of computer science fundamentals data structures and algorithms.

• Strong understanding of software design patterns Clean Architecture and microservices design principles.

• Solid grasp of the software development lifecycle Agile/Scrum methodologies and DevSecOps practices.

• Excellent communication skills with the ability to explain complex technical concepts clearly to non-technical stakeholders.

• Genuine curiosity about AI and a proactive approach to adopting modern tools keeping pace with emerging Java frameworks cloud tech and AI practices.

• Fluency in Dutch or French and English.

Technical Requirements : 

Java Core & Back-End

• Java Core & Frameworks Deep expertise in Java (Java 17/21) Spring Framework Spring Boot and Hibernate / JPA.

• API Development & Microservices Design and implementation of scalable microservice architectures and robust web services (RESTful APIs gRPC or GraphQL).

• Databases & Data Modeling Strong proficiency in relational databases (PostgreSQL MySQL Oracle) and SQL as well as familiarity with NoSQL stores.

Front-End & Web

• Web Fundamentals Solid practical knowledge of a front-end framework  TypeScript HTML5 CSS3/SASS and responsive UI integration.

• State & Integration Experience integrating front-ends with back-end REST APIs and managing client-side application state.

Quality CI/CD & Security

• Testing Frameworks Strong unit testing and TDD mindset using JUnit Mockito and fron-tend testing utilities (Jasmine/Karma or Jest).

• DevOps & Version Control Proficiency with Git build tools (Maven Gradle) and modern CI/CD pipelines (GitHub Actions GitLab CI Jenkins or Azure DevOps).

• Security Understanding of web application security principles OAuth2 OpenID Connect and JWT.

AI Skills

This is an AI Augmented role. The following AI competencies are mandatory:

• Hands-on experience with AI-assisted development tools (GitHub Copilot Cursor Antigravity Google Gemini Claude or similar) embedded in your daily workflow.

• Practical understanding of Large Language Models (LLMs) and experience integrating LLM APIs (OpenAI Anthropic Google Gemini Azure OpenAI) into Java applications (e.g. using Spring AI or LangChain4j).

• Experience with prompt engineering techniques and constructing LLM-enabled workflows (summarization data extraction enterprise search).

• Understanding of Retrieval-Augmented Generation (RAG) patterns and vector databases (eg: pgvector Pinecone Weaviate Qdrant).

• Awareness of responsible AI principles: data privacy security and ethical AI deployment.

Assets (Nice to Have)

• Experience with cloud platforms (AWS Azure or GCP) and cloud-native deployment patterns.

• Knowledge of containerization technologies such as Docker Kubernetes and Helm.

• Experience with event-driven architectures and messaging systems (Apache Kafka RabbitMQ).

• Familiarity with building AI agents or multi-agent systems.

• Relevant professional certifications (e.g. Spring Certified Professional AWS/Azure/GCP Developer or AI certifications).

Additional Information :

What We Offer

• A challenging and varied role within Devoteam Creative Tech Belgiums leading tech consultancy.

• Work on cutting-edge projects combining modern software development with AI innovation.

• A competitive salary package including company car net allowances meal vouchers and group insurance.

• Continuous learning opportunities: certifications training budgets conferences and internal knowledge-sharing.

• A hybrid work model with modern inspiring office spaces designed for collaboration.

• A culture that values innovation autonomy and personal growth.

Remote Work :

No

Employment Type :

Full-time