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JA

Beschikbaar voor nieuwe opdrachten

Freelance specialist · IT

Inzetbaar alsTech Lead (Java/Spring Boot) & Senior Backend Engineer

I currently lead the backend development of iDEAL 2.0, the Netherlands’ primary online payment platform, processing 1.6+ billion transactions annually and supporting 70%…

Locatie
Assendelft
Jaren werkervaring
10
Indicatie uurtarief
€100
Werkwijze
Flexibel (in overleg)

Kurz klären, ob das zu Ihrem Bedarf passt — unverbindlich.

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  5. Tech Lead (Java/Spring Boot) & Senior Backend Engineer

Waarvoor in te huren

I currently lead the backend development of iDEAL 2.0, the Netherlands’ primary online payment platform, processing 1.6+ billion transactions annually and supporting 70%+ of all Dutch e-commerce payments. In this role, I combine hands-on engineering with technical leadership, designing and delivering highly scalable, secure, and fault-tolerant microservices using Java, Spring Boot, Kafka, and AWS. I lead architectural decisions, drive system reliability and observability, and coordinate closely with product, security, and infrastructure teams to ensure zero-downtime releases and production stability at national scale.

Typische opdrachten & sterke punten

  • Hands-on Tech Lead
  • Java / Spring Boot expert
  • Fintech payments expert
  • Scalable & resilient microservices

Voorkeur voor projecten

  • Payments and Finance

Samenwerking & planning

  • Werkwijze: Flexibel (in overleg) — Flexibel
  • Beschikbaar · Beschikbaar vanaf Januar 2026

Sector & context

Payments and Finance

Stack, domein & tools

Java 17KotlinSpring BootSpring CloudWebFluxRESTOpenAPIKafkaAWS (S3MSKPinpoint)DockerKubernetesGitLab CIJenkinsMongoDBSQLJPA/HibernatePrometheusGrafanaElasticBackend Development

Soft skills & werkwijze

I communicate clearly and pragmatically, focusing on facts and trade-offs when discussing technical decisions. I am comfortable leading discussions in complex environments, aligning engineers, architects, and stakeholders to reach well-founded solutions. I actively listen to different perspectives, welcome feedback, and use it to improve both technical outcomes and team collaboration. I enjoy mentoring and supporting team members, and I remain calm and effective when operating under pressure in high-availability, production-critical systems.

Persoonlijk profiel

I am a senior backend engineer and tech lead with 10 years of experience designing and building large-scale, mission-critical systems. I currently work on iDEAL 2.0, the Netherlands’ primary online payment platform, where reliability, security, and scalability are essential due to the national impact of the system. My background is strongly rooted in Java and Spring Boot, with extensive experience in microservices, event-driven architectures, and cloud-based platforms. I enjoy working hands-on while also taking responsibility for architectural decisions, system design, and technical direction. I am used to operating in complex environments with high availability requirements and multiple stakeholders. As a freelancer, I bring a pragmatic mindset, strong ownership, and a focus on delivering robust, production-ready solutions. I work best in teams that value quality, clear communication, and well-reasoned technical decisions.

Passies & drijfveren

I am passionate about building scalable and resilient distributed systems, especially in high-availability domains (trading, payments)

Toekomstvisie

- ML and AI - Software Architect

Kenntnisse & Fähigkeiten

Java and Spring Boot Primär
Backend DevelopmentSekundär
Java 17Erfahren
KotlinErfahren
Spring BootErfahren
Spring CloudErfahren
WebFluxErfahren
Skills-CV ansehen

Noch kein Skills-CV angelegt

Honorare

Stundensatz€100
Tagessatz€800

Verfügbarkeit

Verfügbar

Ab Januar 2026

A–Z

Sprachen

  • NederlandsBeginnend
  • EngelsVloeiend

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