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Data Engineer
Data Engineer at an IT consultancy placed on varied client projects (mobility, energy, finance), handling data architecture, ETL/ELT, and real-time analytics using Python/Java/Scala/Rust, SQL, cloud platforms, and big data tools like Databricks and Snowflake.
Data Engineer
Builds and maintains scalable ETL/ELT pipelines to transform raw data into actionable insights for analytics and business teams, focusing on SQL optimization, data quality, and cloud-based data infrastructure.
Software Engineer Cool:Gen & Java — DevOps & Support
Maintain and operationally support existing Cool:Gen applications while Java renewal projects progress, working in an Agile DevOps team on stable production and continuous improvements for a Dutch government administrative body.
Mainframe DevOps Engineer - z/OS CI/CD for Payments
The DevOps Engineer will automate mainframe tasks and improve CI/CD pipelines for payment systems using z/OS, Git, Ansible, Python, and Java.
DevOps Engineer, Software Control & Deployment
DevOps Engineer improving and automating z/OS mainframe environments that support millions of payment transactions, building modern CI/CD pipelines and tooling. Core technologies: z/OS, Git, Ansible, Python, Java, COBOL, CICS, MQ, DB2.
Medior Backend Engineer — Spring Boot & Kotlin
Medior Backend Engineer developing, maintaining, and modernizing integrations with chain partners for the HaMIS mission-critical system at Port of Rotterdam, using Java/Kotlin and Spring Boot.
Full-Stack Engineer (Java + React) | End-to-End Delivery
Full-Stack Software Engineer on a 3-6 month contract in Amsterdam, owning end-to-end technical delivery from concept to production using Java and React in collaboration with cross-functional teams.
Full Stack Engineer (Java, React)
Builds and maintains full-stack applications using Java (Spring) for backend and React for frontend, owning features from design to production while ensuring scalability, quality, and collaboration with cross-functional teams.
Hybrid Full-Stack Developer — ERP & DMS Focus
Full-Stack Developer working on DMS development and ERP integration using Java and Angular, with potential expansion into C#, VB.NET/VBA, and SQL. Hybrid role collaborating across Product, Consulting, Sales, and Service teams.
Full-Stack Software Developer (m/w/d)
Builds and maintains industry-specific business software (DMS/ERP) for mid-sized companies, integrating APIs, developing backends, and collaborating cross-functionally with clients and teams.
Senior Java Developer & Team Lead - Cloud, CI/CD
Leads Java development projects, mentors teams, and builds cloud-native applications with CI/CD pipelines in the Netherlands.
Backend developer
Develop and maintain backend services for a mission-critical port management system using Spring Boot, Java, and Kotlin, ensuring reliable integrations with internal and external partners.
Senior Java Developer
Senior Java Developer building Cleopatra Enterprise, an in-house project controls software product used globally, working with Java 17+, Spring ecosystem, microservices, Elasticsearch, MongoDB/MSSQL, and Kubernetes/Docker.
PHP - Java Developer (MSS)
PHP-Java Developer migrating legacy PHP sports timing applications to Java/Spring Boot, working with SQL databases in an international team based in Haarlem, Netherlands.
Senior Fullstack Java Developer • Angular • Overheid
Senior fullstack developer building corporate tax applications for a Dutch government client using Angular, Java, DevOps, and cloud-native technologies in a scrum team.
PHP & Java Developer for Global Sports Timing
Develop and maintain event timing tools by integrating Java-based platforms with legacy PHP code for global sports races.
Java Developer • OpenShift & Spring Boot • Overheid
Build and maintain Java web applications and webservices using Java EE, Spring Boot, OpenShift, and Kubernetes within a government Scrum team in Apeldoorn.
Technical Professional - Data Science/Senior Technical (AI Engineer)
Builds and deploys AI/ML models (ML, deep learning, NLP) to solve energy industry challenges, transitioning legacy SQL reporting to Snowflake, and optimizing data pipelines for business impact.