Senior Fullstack Developer

Hybrid

Brussels Region, Belgium

Full Time

06-03-2025

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Job Specifications

Job Title: Senior Full Stack
Location: Brussels, Belgium
Duration: 31/03/2025- 31/12/2025
Language: English, Dutch or French
Work mode: Hybrid

Job Description:

Technical Lead/Java Developer:
Together with the architect, the technical lead is responsible to draft the technical design. You support your team by bringing your expertise and your experience to the table. This results in a day-to-day coaching of colleague junior- & medior developers. You are responsible (incl. coordination) for the development of software that answers to our clients' functional and technical expectations.

Responsibilities:
Design and develop technical solutions, starting from the functional requirements, and following our quality/security/legal guidelines and standards.
Ensure Quality (unit-/integration tests, documentation, Sonar compliance, OWASP checks…).
Contribute to the development of our Service Oriented Architecture (SOA).
Contribute to the continuous improvement of our development processes.
Develop in an efficient and pragmatic way to deliver a good quality and user-friendly products.

Required Technical Skills:
Backend technology: Java (11+), Spring ecosystem, Maven, JPA, SQL Server.
Frontend technology: REST, HTML, (S)CSS, JavaScript ES6/ES7, Angular + patterns (Smart/Dumb Components, Redux, ...).
Experience with Docker/Kubernetes, CI/CD, GCP, and TKGI are seen as a plus.
Familiar with event-driven architecture principles.
Languages: Fluent in Dutch OR French (an active knowledge of one of the two national languages is a must) and IT-linked English.

Desired Functional Skills:
Pragmatic, with a sense of detail and attentive to clean coding.
Creative and willing to share new ideas.
Pro-active, autonomous, flexible, think & do.
A real team player.
Eager to keep your knowledge up to date (continuous learning).

Capabilities:
Create Java applications (Java 11+) with a high standard of quality.
Design REST API's services.
Use efficiently the Spring ecosystem (spring boot, …).
Read and write efficient SQL.
Ability to coach colleague developers.
Document the code of the applications in order to ease their maintenance.
Write and perform unit tests to detect bugs and prepare future releases.
Contribute to the development of our Service Oriented Architecture (SOA).
Contribute to the continuous improvement of our development processes.
Improve user experience thanks to a "Single Page App".
Reuse and share code with other applications to standardize 'look and feel' and facilitate technological upgrades.

Skills:
Agile
Angular
Hibernate
Java
JPA
Maven
Rest
RESTful API
Spring Boot
SQL

About the Company

OneSource is a pan European based recruitment, employment agency founded in response to the market demands for more flexible, cost-effective, tailored recruitment solutions. It aims at providing high-quality services to provide the best outcomes in the recruitment and employment of personnel from a diverse set of business sectors. In today's highly competitive and ever-changing IT market, hiring the right candidate can make the difference between success and failure of any mission-critical project. We can navigate you throu... Know more

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