Senior Java Backend Engineer: AWS & Kubernetes

FD Mediagroep

Amsterdam

Hybrid

EUR 96,000 - 152,000

Part time

3 days ago

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Job summary

Company.info is seeking an experienced freelance backend engineer for a six-month engagement in Amsterdam. You will design, build, and operate production-grade Java services and event-driven integrations that connect onboarding, billing, finance, and identity platforms.

The role emphasizes reliability, observability, and ownership across the software lifecycle. You will work on Spring Boot services in Java and Kotlin, running on AWS and Kubernetes, with exposure to Keycloak, Salesforce, SAP, and

Qualifications

7+ years of backend development experience with Java
Strong Spring Boot and REST API design skills
Experience with event-driven systems, messaging, retries and idempotency
Solid SQL and relational database skills
Production experience with AWS and Kubernetes
Ability to translate business processes into technical solutions
Strong communication skills in English

Responsibilities

Build durable workflows in Temporal and design reliable event-driven integrations
Develop Spring Boot services in Java and Kotlin on AWS and Kubernetes
Integrate with Keycloak, Salesforce, SAP and our billing platform
Own what you ship, including testing, monitoring, documentation and production readiness
Contribute to architecture decisions, code reviews and knowledge sharing