About the project
We have an exciting opportunity with one of our clients who specialize in telecommunications and large-scale digital commerce platforms, we are looking for a talented Backend Developer with strong Java backend expertise to fill the position of Backend Developer Senior.
The Digital Domain team operates mission-critical BFF (Backend for Frontend) services supporting checkout, customer management, and commerce processes for millions of users.
The role includes backend development, system integrations, API design, event-driven architecture, and production support activities. Candidates with Node.js / TypeScript experience will be strongly preferred due to the ongoing technology transformation toward a unified Node.js / TypeScript ecosystem.
The team works in a hybrid model and collaborates closely with architects, frontend teams, product teams, and technical leads.
Your responsibilities
- Design, develop, and maintain scalable backend services using Java 21+ and Spring Boot 3.x
- Build and integrate REST APIs and support integrations with multiple internal and external systems
- Work with event-driven and distributed architectures, including asynchronous communication and messaging systems
- Support production environments through monitoring, troubleshooting, observability, and continuous improvement activities
- Collaborate with architects, frontend developers, product teams, and technical leads in agile delivery teams
- Participate in technology transformation initiatives toward Node.js / TypeScript ecosystem
- Write unit and integration tests while ensuring high code quality and resilience standards
- Contribute to production-grade engineering practices, reliability, and maintainability of services
Our requirements
- API design and system integrations
- Event-driven architecture and distributed systems
- Asynchronous flows and messaging concepts
- Unit and integration testing
- Monitoring, logging, troubleshooting, and observability
- Java 21+
- Spring Boot 3.x
- REST API / OpenAPI
- Spring Security / OAuth2 / JWT
- Distributed system design experience
- Production ownership and incident resolution
- Mentoring and technical leadership experience
- Technology migration/transformation experience
- Ability to influence engineering standards and best practices
- Commercial experience with Node.js and TypeScript
- Experience with Express, Fastify, or NestJS frameworks
- Knowledge of Kafka or RabbitMQ
- Experience with Docker and Kubernetes
- Familiarity with GraphQL
- Experience with Terraform and Infrastructure as Code
- Knowledge of OpenTelemetry and distributed tracing
- Experience with Jest or Vitest testing frameworks
- Understanding of npm / pnpm ecosystem