Senior Full Stack Java Developer (Freelance possible)

EngiFlex BV; Brussel Hoofdstad; Hybrid; EUR 55,000 - 75,000; Full time

Benefits offered by this job

Company car

Career plan and education budget

Extra-legal benefits

Freelance possibility

Job summary

EngiFlex BV is seeking a passionate Full Stack Developer to design, develop and maintain web applications in a healthcare context. You will translate stakeholder needs into reliable software solutions, working across frontend and backend layers with Java, Angular, TypeScript, HTML and CSS.

You will build backend components with Spring Boot, Spring Data JPA, PostgreSQL and Elasticsearch, and participate in tests, CI/CD, and deployment automation.

Qualifications

• Solid experience as a full-stack developer.
• Strong hands-on knowledge of Angular, Typescript, HTML, CSS, Java, Spring Boot, Spring Data JPA, PostgreSQL and Elasticsearch.
• Comfort with TDD and unit testing with JUnit.
• Familiarity with Spring Security, Flyway, QueryDSL, Mockito or similar tools.
• Knowledge of hexagonal architecture and deployments on Kubernetes or OpenShift.
• Experience with CI/CD, Docker, Tomcat, Nginx, GitLab CI/CD, Jenkins or GHCP is a plus.
• Understanding of AI topics and secure software practices.

Responsibilities

• Develop and maintain full-stack web applications using Java, Angular, TypeScript, HTML and CSS.
• Build back-end components with Spring Boot and Spring Data JPA, PostgreSQL and Elasticsearch.
• Collaborate with cross-functional teams to define, design and deliver features.
• Monitor performance, resolve bottlenecks and fix defects.
• Apply TDD, write unit/integration/end-to-end tests (JUnit).
• Provide technical guidance to less experienced developers.
• Follow CI/CD, containerization and secure software delivery practices.
• Keep up with evolving software engineering practices and AI guidance.

Skills

Angular

Typescript

HTML/CSS

Java

Spring Boot

Spring Data JPA

PostgreSQL

Elasticsearch

JUnit

TDD

Docker

Kubernetes

OpenShift

CI/CD

Security

Education

Bachelor's degree in Computer Science

Tools

Tomcat

Nginx

GitLab CI/CD

Jenkins

GHCP

Docker

Job description

Job Description:

As a Full Stack Developer, you contribute to the design, development and maintenance of web applications with a strong focus on quality, performance and maintainability. You work with stakeholders and development teams to translate functional needs into reliable software solutions.

Project Context:

You will contribute to applications in the healthcare domain, including web components that support patient referral prescriptions, Vitalink and related digital services.

Key Responsibilities:

• Develop and maintain full-stack web applications using Java, Angular, Typescript, HTML and CSS.
• Build back-end components with Spring Boot and Spring Data JPA, and work with PostgreSQL and Elasticsearch.
• Collaborate with cross-functional teams to define, design and deliver new features.
• Monitor application performance, resolve bottlenecks and fix defects.
• Apply Test-Driven Development practices and contribute to code quality, structure and automation.
• Write and execute unit, integration and end-to-end tests, including work with JUnit.
• Provide technical guidance to less experienced developers.
• Follow current development practices around CI/CD, containerization and secure software delivery.
• Keep up with relevant evolutions in software engineering and apply them where useful.

Your profile

• You have solid experience as a full-stack developer.
• You have strong hands-on knowledge of Angular, Typescript, HTML, CSS, Java, Spring Boot, Spring Data JPA, PostgreSQL and Elasticsearch.
• You are comfortable working with testing practices such as TDD and with unit testing frameworks such as JUnit.
• You have knowledge of Spring Security, Flyway, QueryDSL, Mockito or similar tools.
• You are familiar with hexagonal architecture and deployments on Kubernetes or OpenShift.
• Experience with Docker, Tomcat, Nginx, GitLab CI/CD, Jenkins or GHCP is a plus.
• You have a good understanding of modern AI topics such as the EU AI Act, LLMs, security, confidentiality, prompt engineering, agents and MCP.
• You adapt easily to evolving standards and guidelines related to AI usage.
• You communicate fluently in either Dutch or French and have a working understanding of the other language.
• You work accurately, communicate clearly and can operate independently within a team environment.

Offer

You will be part of a growing Belgian SME where initiative and personal development are encouraged. We will provide you with an enjoyable work environment with fun colleagues. We will work out a career plan with you, with attention and a budget for extra education/certification. You can count on an attractive salary, supplemented with extra-legal benefits, including a company car.
(Freelance is also possible)