Full Stack Developer - Team Lead

ARHS

Brussels, Belgium Posted January 23, 2026

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On-site Full-time Senior
Job Description

Arηs Group, Part of Accenture , is looking for an experienced Full Stack Technical Team Lead to reinforce a dynamic team. You will lead the development of complex in-house solutions, ensuring technical quality, coaching the team, and driving best practices across the stack.

Role & Responsibilities Acting as senior full-stack developer and technical reference for the team Coaching junior and medior developers and performing code reviews Designing, developing, and maintaining applications using Java, Angular, SQL, and optional technologies (ng-grid, AWS, Python) Analyzing user needs and translating them into efficient technical solutions Coordinating development tasks, delegating work, and supporting the Delivery Manager in planning Resolving complex technical issues and guiding the team through challenges Ensuring software quality, maintainability, performance, and security Supervising system modifications, updates, and lifecycle activities Conducting security checks and identify areas for improvement Communicating regularly with internal stakeholders regarding expectations and progress

Your Profile

  • University degree in Computer Science or equivalent professional experience.
  • A true team player, eager to share knowledge and support colleagues.
  • Fluent in English, with strong communication and coordination skills.
  • Proactive, structured, and able to thrive in a dynamic environment with shifting priorities.
  • Strong sense of quality, attention to detail, and problem-solving mindset.
  • Customer-oriented, solution-driven, and continuously seeking improvement.

Technical Skills Solid experience with

  • Java backend development Angular frontend development SQL (database modeling, stored procedures, optimization) Strong understanding of full‑stack architecture and modern development practices.
  • Knowledge of the following would be considered an asset: ng-grid (or similar grid libraries) AWS cloud development (Lambda, S3, EC2…
  • Python for automation, scripting, or integration tasks

WHAT´S IN IT FOR YOU? We value your contribution, which is why we offer a competitive and attractive salary package. Your wellbeing is our priority – from day one, you are covered by a comprehensive health insurance plan.

Benefit from a convenient meal allowance provided through a ticket restaurant card. Take part in impactful projects that make a difference at both the national and European level. Continue to grow with us through in-house training sessions and a wide range of online learning opportunities.

Join a collaborative culture where we regularly celebrate achievements and milestones together.

Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems integration, informatics and analytics, solution implementation and program management. Our team helps lead clients through digital and information systems design, bringing expertise in a variety of areas ranging from software development, data science and security management to machine learning, cloud, and mobile development. Arηs Group was acquired by Accenture in July 2024.

Required Skills
coaching Java Angular SQL Amazon Web Services Python communication English attention to detail problem solving AWS Lambda Amazon S3 collaboration project management system design software development
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