J-Logic

25+ years of business-critical software

For over 25 years I have built software for banks, government and large enterprises. In recent years my focus has moved to security and AI.

Download CV (PDF, Dutch)
Career since 1999
  1. TU Delft1999
  2. LogicaCMG2001
  3. Ordina2009
  4. ING2014
  5. Rabobank2018
  6. Politie2020
  7. ING2022
  8. Rabobank2025
  9. Scale-upnow

Assignments

  1. Aug 2026 – now

    Security Engineer DevSecOps & AI Engineer

    Dutch scale-up in the financial sector

    Helping the organisation secure its entire SDLC: security scanning in the pipeline (Veracode, SonarQube), threat modelling and secure development.

  2. Jan 2025 – Jul 2026

    Senior Fullstack DevOps Java Developer

    Rabobank, Global KYC

    Worldwide customer identification system with strict demands on availability, data integrity and compliance.

  3. Oct 2022 – Dec 2024

    Senior DevOps Java Developer / Blue Security Champion

    ING, Business Lending (SME)

    Data-driven credit applications using multiple data sources and AI. Secure code reviews and security guidelines.

  4. Oct 2020 – Oct 2022

    DevOps Java Platform Engineer Big Data

    Dutch National Police

    Big data platform and streaming APIs where authorisation and security are central.

  5. Jun 2018 – Oct 2020

    Full Stack Developer DevOps Java/Angular

    Rabobank

    APIs and front ends for multibank accounts of business clients; monolith to microservices.

  6. Dec 2014 – Jun 2018

    Full Stack Developer Java/Angular/Polymer

    ING

    Features, APIs and web applications for ING.nl.

  7. Nov 2009 – Dec 2014

    Senior Java Software Engineer

    Ordina: KVK, SVB, Rabobank, Port of Rotterdam, ICTU

    Web services, citizen portals and inspection systems.

  8. 2001 – 2009

    Java Software Engineer, Lead Developer Werk.nl

    LogicaCMG: UWV, Ministry of Health, Police, HP, Unilever

    Led development of Werk.nl, the UWV portal that matches employers and job seekers.

  9. 1999 – 2001

    C++ Software Engineer

    TU Delft

    Electronic exam module for the faculties.

Skills

Languages

  • Java 25
  • TypeScript
  • JavaScript
  • Bash

Frameworks and architecture

  • Spring Boot
  • Spring AI
  • JPA/Hibernate
  • Microservices
  • Event-driven
  • DDD

Security

  • Secure SDLC
  • Veracode
  • Checkmarx
  • SonarQube
  • OWASP
  • Threat modelling
  • Zero Trust
  • Keycloak

Cloud and containers

  • Kubernetes
  • OpenShift
  • Docker
  • Azure
  • AWS
  • Google Cloud
  • Terraform

Data and messaging

  • Kafka
  • Kafka Streams
  • Spark
  • Oracle
  • PostgreSQL
  • MongoDB
  • Elasticsearch

DevOps and quality

  • GitHub/GitLab CI
  • Azure DevOps
  • Jenkins
  • JUnit
  • Testcontainers
  • Cucumber
  • Cypress

Education and certifications

  • BSc Computer Engineering (HBO Technische Computerkunde)
  • Sun Certified Enterprise Architect
  • Blue Security Champion (ING)

Looking for a senior engineer or a reliable build partner?

Tell me briefly what you need. I reply within one working day.

Get in touch See experience