Senior Fullstack Engineer (Java / AWS / React)

Fullstack Developer (Backend-focused) — Java / AWS / React

We are looking for an experienced Senior Fullstack Developer (Backend-focused) to join a long-term project in partnership with a global consulting company.
 

You will work on digital products for a Belgium-based telecommunications company, supporting major media and entertainment platforms across Belgium and the Netherlands.
 

💻 What you’ll do

• Develop and maintain backend APIs
• Support and improve existing backend and frontend applications
• Fix bugs and ensure system stability
• Identify opportunities for product and technical improvements
• Collaborate with stakeholders, developers, and product teams
   

🧠 About the role

You will be part of a cross-functional team working on cloud-based applications used across the organization.

This role is ideal for someone who:

• enjoys building scalable backend systems
• can balance speed and technical quality
• is comfortable working in a collaborative environment
• cares about clean architecture and long-term product health
   

✅ Requirements

Backend & Architecture

• 3+ years with microservices architecture
• Strong experience with Java 21+
• Solid knowledge of Spring Boot / Spring Framework

Cloud & Infrastructure

• 5+ years with AWS (ECS, SQS, SNS, API Gateway, CloudWatch, etc.)

Databases

• MongoDB (CRUD, 3+ years)
• SQL (PostgreSQL or SQL Server)

Frontend

• 1+ year with React / JavaScript

General

• REST APIs, HTTP, JSON
• Agile (Scrum / Kanban)

• English — Upper-Intermediate+

   

⭐ Nice to have

• Advanced Spring (AOP, OpenFeign)
• AWS Lambda, DynamoDB
• Data tools (Snowflake, DBT, Airflow)
• Quarkus, Thymeleaf
• Experience with GDPR or marketing platforms

🤝 What matters for us

• Strong communication skills
• Ability to work in a team
• Focus on quality over quantity
• Proactive mindset and ownership

⚠️ Application Policy
Please note that we expect candidates to complete all stages of the hiring process independently, without the use of AI assistance.
Our goal is to fairly assess your personal skills and experience.