Senior Java Developer - API Gateway @ING Hubs Romania
Core
Design, build, and maintain ING's enterprise API Gateway, serving as the central entry point for all customer, employee, and third-party traffic across the global estate.
Role type
Senior IC platform engineer (API Gateway)
Builds
Enterprise API Gateway platform handling inbound/outbound routing, authentication, load balancing, and TLS termination for global digital interactions.
Domain
Financial Services / Distributed Systems / Cloud Infrastructure
Deliverable
production ML models | product features | infrastructure
Required skills
Java, distributed systems, NGINX, Kubernetes, Docker, CI/CD, networking fundamentals, incident response
Preferred skills
API gateways at scale, OAuth 2.0/OpenID Connect/JWT, SRE practices, high-availability patterns
Technologies
Java, Python, Bash, Rego, OpenShift, Linux, Azure DevOps, Grafana, Prometheus, ELK stack, OAuth 2.0, JWT
Responsibilities
Design and maintain gateway platform components (configuration controllers, circuit breakers, routing services); Develop and extend NGINX-based gateway configurations and custom modules; Automate operations via tooling for resource management and release orchestration; Ensure reliability and availability implementing resilience patterns; Collaborate with platform engineers, SREs, and security teams; Handle incident management including P1/P2 priority incidents and post mortem analysis; Contribute to CI/CD pipeline ensuring automated testing and safe rollouts
Seniority
Senior, hands-on IC
