Senior Lead Java Developer (Bodem 2050) | ThoughtLabs Belgium | Flanders / Hybrid

Tech Junction Ltd; Vlaanderen; Hybride; EUR 90 000 - 120 000; Plein temps

Résumé du poste

ThoughtLabs Belgium is seeking an experienced Senior Lead Java Developer to join the client engagement team on a hybrid contract in Flanders, Belgium. You will drive technical leadership, coaching, and delivery for Bodem 2050 with OVAM, building scalable REST APIs and dynamic UIs using React/TypeScript, while optimizing SQL/DB2/PostgreSQL databases and managing Bamboo/Helm CI/CD pipelines.

Ideal candidates hold a 5+ year Java/J2EE background, a Dutch CEFR C2 level, and will collaborate with

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, Information Technology, or a related technical discipline.
• Minimum 5+ years of professional software engineering experience specializing in Java and J2EE development.
• Proven leadership experience managing, coaching, and guiding technical development teams in enterprise environments.
• Strong technical proficiency and hands‑on operational mastery of Spring Boot, REST APIs, React, TypeScript, and modern web frameworks.
• Extensive practical experience in relational database design and query optimization across SQL, IBM DB2, and PostgreSQL.
• Operational expertise in Agile methodologies, Atlassian tooling (Jira, Confluence), Bamboo CI/CD pipelines, and Helm charts.
• Mandatory linguistic proficiency: Fluent in Dutch (CEFR C2 level) for professional public sector stakeholder collaboration.
• Professional availability for hybrid contract employment in Flanders, Belgium (Duration: 05/10/2026 – 15/07/2027; Application email: [e-mail]; Deadline: 02/10/2026).

Responsabilités

• Lead software development, architecture design, and technical delivery for the Bodem 2050 environmental initiative with OVAM.
• Coach, mentor, and guide technical development teams to adhere to enterprise coding standards and Agile best practices.
• Design, develop, and maintain robust backend microservices utilizing Java, J2EE, Spring Boot, and secure REST APIs.
• Build dynamic, responsive frontend user interfaces leveraging React, TypeScript, and modern web development frameworks.
• Manage and optimize relational and enterprise databases including SQL, IBM DB2, and PostgreSQL.
• Configure, monitor, and maintain CI/CD deployment pipelines utilizing Atlassian Bamboo and container orchestration via Helm charts.
• Collaborate proactively with public sector stakeholders, project managers, and cross-functional engineering squads.
• Participate in Agile sprint planning, backlog grooming, code reviews, and architectural decision-making.
• Maintain comprehensive technical documentation, architecture blueprints, and task tracking via Atlassian Jira and Confluence.
• Ensure strict adherence to project timelines, quality benchmarks, and Dutch-language communication requirements (CEFR C2 level).

Connaissances

Java/J2EE

Spring Boot

REST APIs

React

TypeScript

SQL & DB2 & PostgreSQL

CI/CD Bamboo

Helm

Jira & Confluence

Kubernetes

Docker

Dutch (CEFR C2)

Formation

Bachelor’s or Master’s degree in Computer Science/Software Engineering

Outils

Jira

Confluence

Bamboo

Helm

Kubernetes

Docker

Description du poste

Position Summary:

ThoughtLabs Belgium is seeking an experienced, highly technical, and accomplished Senior Lead Java Developer with 5+ years of professional Java/J2EE software engineering and technical leadership experience to join our client engagement team on a hybrid contract basis in Flanders, Belgium. In this specialized lead software engineering role, you will spearhead development and coach technical teams for an impactful environmental initiative (“Bodem 2050”) in collaboration with OVAM (Openbare Vlaamse Afvalstoffenmaatschappij). You will work closely with public sector stakeholders, enterprise architects, and agile development squads to design, build, and deliver scalable digital solutions. Ideal candidates bring a robust academic degree in computer science or software engineering, fluency in Dutch (CEFR C2 level), deep practical mastery of Spring Boot, React, TypeScript, SQL, DB2, Postgres, and immediate availability for deployment.

Detailed Job Description:

As a Senior Lead Java Developer at ThoughtLabs Belgium, you will take full ownership of technical leadership, code quality architecture, team mentoring, and delivery for the Bodem 2050 environmental project. Your day-to-day responsibilities encompass designing resilient REST APIs with Spring Boot, building responsive user interfaces with React and TypeScript, optimizing database queries across SQL, DB2, and Postgres, and managing CI/CD deployment pipelines utilizing Bamboo and Helm charts. You will participate actively in Agile ceremonies, maintain technical documentation via Atlassian Jira and Confluence, and ensure strict compliance with public sector environmental standards. Working in a fast-paced consulting environment, you will drive technical excellence, system scalability, and project success through July 2027 (~1,280 hours).

Key Responsibilities:

• Lead software development, architecture design, and technical delivery for the Bodem 2050 environmental initiative with OVAM.
• Coach, mentor, and guide technical development teams to adhere to enterprise coding standards and Agile best practices.
• Design, develop, and maintain robust backend microservices utilizing Java, J2EE, Spring Boot, and secure REST APIs.
• Build dynamic, responsive frontend user interfaces leveraging React, TypeScript, and modern web development frameworks.
• Manage and optimize relational and enterprise databases including SQL, IBM DB2, and PostgreSQL.
• Configure, monitor, and maintain CI/CD deployment pipelines utilizing Atlassian Bamboo and container orchestration via Helm charts.
• Collaborate proactively with public sector stakeholders, project managers, and cross-functional engineering squads.
• Participate in Agile sprint planning, backlog grooming, code reviews, and architectural decision-making.
• Maintain comprehensive technical documentation, architecture blueprints, and task tracking via Atlassian Jira and Confluence.
• Ensure strict adherence to project timelines, quality benchmarks, and Dutch-language communication requirements (CEFR C2 level).

Required Qualifications & Skills:

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, Information Technology, or a related technical discipline.
• Minimum 5+ years of professional software engineering experience specializing in Java and J2EE development.
• Proven leadership experience managing, coaching, and guiding technical development teams in enterprise environments.
• Strong technical proficiency and hands‑on operational mastery of Spring Boot, REST APIs, React, TypeScript, and modern web frameworks.
• Extensive practical experience in relational database design and query optimization across SQL, IBM DB2, and PostgreSQL.
• Operational expertise in Agile methodologies, Atlassian tooling (Jira, Confluence), Bamboo CI/CD pipelines, and Helm charts.
• Mandatory linguistic proficiency: Fluent in Dutch (CEFR C2 level) for professional public sector stakeholder collaboration.
• Professional availability for hybrid contract employment in Flanders, Belgium (Duration: 05/10/2026 – 15/07/2027; Application email: [e-mail]; Deadline: 02/10/2026).

Nice‑to‑Have Skills:

• Professional certifications such as Oracle Certified Professional Java SE Developer, AWS Certified Solutions Architect, or Certified ScrumMaster (CSM).
• Hands‑on experience with geographical information systems (GIS) or geographical data applications.
• Prior working experience in public sector projects, environmental initiatives, or government digital transformation programs in Belgium.
• Advanced experience with Kubernetes, Docker containerization, and cloud infrastructure platforms (Azure, AWS).
• Bilingual or multi‑lingual proficiency in Dutch and English.

Application Information:

• Recruiter: ThoughtLabs Belgium Talent Acquisition Practice
• Contact Name: Recruitment Search Committee
• Email: [e-mail]
• Phone: Unspecified
• Application URL: Unspecified
• Salary/Rate: Competitive consultancy rate commensurate with experience (~1,280 hours contract scope)
• Deadline: 02 October 2026
• Notice Period: Immediate availability preferred (Project Start: 05 October 2026)
• Contract Duration: Fixed‑Term Contract (05/10/2026 – 15/07/2027; ~1,280 hours)

Recruitment Pro Tip:

When applying for senior lead Java roles in public sector environmental projects, ensure your resume explicitly highlights your team coaching track record, Spring Boot/React technical depth, and fluent Dutch communication capabilities.