Senior Application Support Engineer

Freelancing Opportunity

Job title: Senior Application Support Engineer

Job location: Brussels, Belgium

Job duration: 2026-12-01 to 2027-05-31

Job weekly hours: 40 hrs./wee

Job salary range: 75 to 80 euros an hour

Job description:

We are looking for a Senior Application Support Engineer with strong PostgreSQL expertise and solid Angular/Spring Boot full-stack development knowledge.

The resource will act as the primary support engineer for DAMS, ensuring platform stability, enhancing the tool, troubleshooting complex incidents, and maintaining the PostgreSQL data model and functions.

The engineer will collaborate closely with the Data Cloud & Tool Squad, Azure Data Platform teams and DevOps teams for infrastructure-related activities and major platform changes.

Knowledge of and hands-on experience working with Azure Kubernetes Service (AKS) is a strong asset, as the platform operates within an Azure cloud environment and may require support for deployments, troubleshooting, and platform evolutions leveraging AKS.

Clarification on "Spring Boot Full-Stack Engineer"

• Backend developer using Java + Spring Boot

• Frontend developer using Angular (or React/Vue)

• Able to work across the entire application stack, from UI to database

For DAMS, the profile we're looking for is:

Area

Technology

Importance

Front-end

Angular

High

Back-end

Java, Spring Boot

High

Database

PostgreSQL

Critical

Cloud

Azure Platform

High

Cloud

AKS (Azure Kubernetes Service)

Strong Plus

DevOps

Azure DevOps, CI/CD

Nice to Have

Support

L2/L3 troubleshooting

High

Mandatory Skills

• PostgreSQL

• Angular

• Spring Boot

• Azure Platform

Strong Asset

• AKS (Azure Kubernetes Service)

 The ideal candidate should be able to:

• Support and troubleshoot the DAMS platform.

• Understand and maintain the Angular frontend.

• Understand and maintain the Spring Boot backend.

• Administer, optimize, and troubleshoot PostgreSQL databases.

• Work within Azure environments and participate in deployments and platform changes.

• Navigate, operate and troubleshoot applications running on AKS, including supporting deployments, investigating runtime issues, and collaborating on containerized platform enhancements.

 Soft skills:

• Thinks beyond immediate issues and focuses on long-term solutions.

• Demonstrates ownership and a "can-do" attitude.

• Is proactive, curious and willing to challenge existing approaches constructively.

• Collaborates across squads and domains to achieve common objectives.

• Balances innovation with operational reliability.

• Continuously seeks ways to improve the platform, processes, and customer experience.

Apply now and start your journey with Team Possible! We want to get to know you.

After your application, we will verify your profile and get back to you within 3

working days.

If you’re successful, you can expect the following steps:

An initial conversation with our recruiter - Swati Kumari

Interview with the Hiring Manager and the team.

Final decision

About Proximus

We are Team Possible turning tech into opportunities.

We are driven by four core pillars: "I care," "I make a difference," "I radically simplify," and "I embrace the future". This means you'll join a team that genuinely cares for customers and colleagues, is empowered to make a real impact, strives to radically simplify complex challenges, and is always looking ahead to embrace the future of technology. We believe in an inclusive and safe environment where everyone can thrive, offering extensive career development resources, including access to over 5,000 training modules and a minimum of 5 days of training per year, to help you continuously learn, grow, and tackle bold challenges with us