Java Developer

ABOUT THIS OPPERTUNITY

As a Mid Java Developer with deep expertise in Java Spring and GraphQL to help us build a Backend For Frontend (BFF) service. This BFF will unify multiple microservices behind a single, streamlined interface, reducing complexity for our web and mobile front-end clients. The ideal candidate is a senior engineer with a strong track record in microservices, Java Spring, and real-world GraphQL implementation.

KEY RESPONSIBILITIES

• Design and develop the BFF layer in Java Spring, with a focus on GraphQL technology.
• Orchestrate data retrieval from multiple microservices into client-specific payloads
• Implement resolvers and data fetchers that efficiently map from various back-end services
• Optimize data access and response times by leveraging caching or persisted queries.
• Ensure the BFF is resilient and scalable under high load, including parallel calls and fallback strategies.
• Design and build common libraries for logging, error handling, configuration, and data mapping
• Provide clear documentation on the architecture, schema, and integration points for future maintainers.
• Conduct knowledge transfer sessions to internal teams at the end of the contract.

REQUIRED SKILLS & EXPERIENCE

• 5+ years of professional Java development experience, focusing on enterprise-grade applications.
• 5+ years of experience in microservices & Spring-related technologies
• 3+ years of hands-on experience deploying services on AWS (e.g., ECS, Lambda, API Gateway)
• Expertise in building RESTful or GraphQL services with Spring Framework.
• Proven experience implementing GraphQL solutions in production environments
• Strong understanding of microservice architecture, including inter-service communication, error handling, and data transformation
• Demonstrated track record of building or contributing to shared libraries that unify cross-cutting concerns
• Strong knowledge of code design patterns and best practices for reusability.
• Experience calling downstream services from a Java-based service.
• Self-driven and able to operate autonomously, delivering solutions within tight timelines
• Clear communication skills, with the ability to document work and provide effective handover.
• Ability to understand business requirements and translate into technical requirements.
• Demonstrated problem-solving skills, with a focus on performance optimization and reliability.

PREFERRED QUALIFICATIONS:

• Bachelor's degree in Computer Science or equivalent.
• Familiarity with code versioning tools - Git (Gitlab).
• Exposure to retail industry, experience with e-commerce applications.