Skills

Communication Java Kotlin PostgreSQL Encryption GitHub CI/CD Kubernetes Jenkins Architecture Programming Spring Spring Boot CI/CD Pipelines OpenShift Microservices

Job Specifications

Cloud-Native Backend Developer (Java)

Location: Leuven (2–3 days onsite per week)

Contract: Project until end of year + likely extension

Overview

We are seeking an experienced Cloud-Native Backend Developer to support the Service-to-Employee backend platform within a large enterprise environment. This platform underpins the automation of internal IT workflows and plays a key role in delivering personalised notifications and tasks to thousands of employees via a digital assistant.

You will join a team building and extending a modern, cloud-native backend based on Java, microservices, and OpenShift, sitting between an analytical data lake and employee-facing applications.

Key Responsibilities

Design, develop, and maintain backend microservices in a cloud-native environment
Build and enhance RESTful APIs for secure system-to-system communication
Process and enrich datasets flowing from the analytical data lake
Translate business rules into clean, testable, and maintainable backend logic
Ensure reliable data ingestion, error handling, and notification generation
Contribute to security, authentication, and encryption standards across services
Work within CI/CD pipelines to support reliable and automated deployments

Required Skills & Experience

Fluent in Dutch and English
Strong knowledge of object-oriented programming and design patterns
4+ years’ professional experience with Java, Spring, and Spring Boot
Proven experience building RESTful web services (JSON, HTTP)
Excellent knowledge of PostgreSQL
Experience with CI/CD pipelines (e.g. Jenkins, GitHub)
Solid understanding of security and authentication protocols (SSL, OAuth2, OpenID)

Nice to Have

Experience with Kotlin
Hands-on exposure to OpenShift / Kubernetes
Experience with cloud-native or containerised environments
Familiarity with data ingestion patterns (e.g. S3-style storage, file-based flows)
Experience in enterprise-scale, regulated environments

Working Environment

Modern Java backend framework using industry-standard integration patterns
Microservices architecture deployed on OpenShift
Close collaboration with data, platform, and security teams
Hybrid working model with 2–3 days onsite in Leuven

Why Apply?

This is an opportunity to work on a strategic internal platform used daily across the organisation, combining backend engineering, data processing, and automation. You will help build a reliable and secure system from the ground up, directly improving the digital employee experience at scale.

About the Company

Skillfinder International was founded in 2003 establishing itself as a trusted partner to our clients in the Technology & Financial Services arena. We provide business and technology professionals either through recruitment or consulting services. We are specialists in various niche markets including: • Investment Banking • Fund Management • Private Banking / Wealth Management • Banking Operations • Digital Technologies • FinTech – Development, Infrastructure & Support • Risk & Regulatory Compliance • AI, Machine Learning,... Know more