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Senior Java Developer - API SDK Team @ING Hubs Romania

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1 hour ago
Bucharest, RomaniaSenior

Responsibilities

  • Develop and maintain the API SDK and core toolkit components.
  • Deliver framework capabilities focused on security, resilience, and observability while maintaining backward compatibility.
  • Integrate the framework with container platforms, messaging systems, API gateways, and service mesh solutions.
  • Build and maintain connectivity modules for different deployment models.
  • Design APIs and configuration interfaces and create documentation, testing tools, and reference implementations.
  • Support development teams using the SDK and contribute to community-driven improvements.

Requirements

  • At least 5 years of Java development experience.
  • At least 3 years of experience working with distributed systems and microservices.
  • Degree in Computer Science or equivalent practical experience.
  • Proven experience designing reusable frameworks, libraries, or platform components.
  • Strong technical communication and documentation skills.
  • Experience supporting developer platforms or engineering communities.
  • Preferred qualifications include experience building developer-facing frameworks or SDKs, knowledge of Spring Boot, Kafka, and event-driven architectures, and familiarity with API gateways, OpenAPI/Swagger, and microservices platforms.
  • Experience with Cassandra, PostgreSQL, or other distributed databases is preferred.
  • Background in financial services or other regulated industries is preferred.

Benefits

  • Flexible working arrangements, including working from home or from the office in Bucharest or Cluj-Napoca.
  • Opportunity to work on foundational platforms supporting ING’s global digital banking capabilities.

Tech Stack

Apache CassandraApache KafkaDockerGradleGrafanaJavaKubernetesMavenOpenShiftPostgreSQLPrometheusScalaSpring Boot

Categories

ING

About ING

10,000+ employees
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