Senior Backend Engineer (APIs & Integration)

TL;DR

Senior Backend Engineer (APIs & Integration): Provisioning, maintaining, and improving WSO2 API platform deployed via Kubernetes on AWS with an accent on DevOps, shift-left practices, test automation, and reliability engineering. Focus on building cloud-native microservices, GitOps deployments, and ensuring seamless engineering experience under modern software practices.

Location: The Hague, Hybrid working

Salary: €4,547–€6,496 (based on 40 hours, depending on experience)

Company

International insurer supporting +20 million customers with a scale-up engineering culture in the API Squad.

What you will do

• Provision, maintain, and improve the WSO2 API platform for robustness, security, and customer-friendliness.
• Enable business focus on value-adding activities by developing microservices, managing platforms, and building pipelines.
• Apply lean/agile methodologies, GitOps, and cloud-native shifts for simplicity and agility.
• Integrate changes via pull requests, release in alpha/beta phases, and gather user feedback.
• Collaborate in a global team of 10+ engineers, product owner, and engineering manager.

Requirements

• 5+ years with Java (Quarkus a big plus)
• Experience with Kubernetes (CKAD a big plus) and AWS (Networking, PaaS, IaaS, IAM)
• API Management platforms like WSO2, Kong, or Mulesoft
• GitOps deployment management
• Strong English communication skills
• Analytical, collaboration, problem-solving, detail-oriented, time management skills

Nice to have

• Python knowledge
• AWS CDK or Terraform

Culture & Benefits

• 13th month and holiday allowance with monthly salary
• 27 vacation days + 1 Diversity Day for 5-day week
• Modern pension via BeFrank
• NS Business Card for unlimited travel or km reimbursement
• Home office setup and internet allowances
• Training via Learning & Development Centre, international engineering network, autonomy in career growth