Design and develop backend microservices using Java 21 and Spring Boot 3.x;
Build and maintain RESTful APIs with clear error handling and documented OpenAPI/Swagger specifications;
Implement gRPC services and clients, including Protobuf schema design;
Develop event-driven solutions using Apache Kafka consumers and producers;
Integrate backend services with external systems (OIC, Salesforce, SAP ISU);
Implement authentication and authorization using OAuth 2.0 / OIDC, including token validation and role-based access;
Write unit and integration tests using JUnit 5, Mockito, and Testcontainers;
Collaborate with DevOps teams on containerized deployments in Docker and Kubernetes;
Ensuring that all activities and duties are carried out in full compliance with regulatory requirements and supporting the continued implementation of the Group Anti-Bribery and Corruption Policy.
Requirements
University degree in Computer Science, Engineering, or a related field;
3–5+ years of experience in backend development;
Strong hands-on experience with Java (preferably Java 21) and modern language features;
Proven experience with Spring Boot (microservices, REST controllers, data access layers, security);
Experience migrating applications from older Java versions (e.g., Java 11);
Solid knowledge of Kafka-based event-driven architectures;
Experience with PostgreSQL, Azure Cosmos DB, and Redis;
Good understanding of containerization (Docker) and Kubernetes fundamentals;
Strong understanding of backend security concepts (OAuth2, OIDC, RBAC);
Experience writing automated tests at unit and integration level;
Experience working in an Agile environment;
Nice to Have
Integration experience with Confluent Kafka or Azure Event Hubs;
Exposure to AKS environments;
Previous work with enterprise integrations (Salesforce, SAP ISU);
Familiarity with cloud-native observability tools;
Familiarity with Azure DevOps.
Tech Stack
Apache
Azure
Cloud
Docker
GRPC
Java
JUnit
Kafka
Kubernetes
Microservices
Mockito
Postgres
Redis
Spring
Spring Boot
SpringBoot
Benefits
Competitive compensation, ticket restaurant card, and annual bonus programs
Cutting-edge IT equipment, mobile and data plan
Modern facilities, free coffee and beverages, indoor parking, and company bus
Private health insurance, onsite occupational doctor, and workplace counselor
Flexible working model, hybrid benefits & home equipment benefits
Onsite gym, wellness facilities, and ping pong room
Career and talent development tools
Mentoring, coaching, personalized annual learning and development plan
Employee referral bonus, regular wellbeing, ESG and volunteering activities