Senior Java Backend Engineer (Spring Boot / Microservices)

About Us Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies build high-performing teams by matching them with professionals who truly fit their needs. Role Overview Our client is supporting the development of advanced AI systems by incorporating high-quality software engineering expertise into training and evaluation workflows. We are looking for experienced Java backend engineers with strong hands-on expertise in Spring Boot, microservices, REST APIs, and scalable backend architecture . The role involves building and reviewing production-grade backend systems, improving reliability and performance, and contributing technically rigorous software outputs that help train next-generation AI systems. No prior AI experience is required . CONTRACT: Contractor assignment COMMITMENT: Full-time LOCATIONS: Remote NOTES: Compensation ranges from $60–$110 per hour . Responsibilities - Design, develop, and maintain scalable Java backend systems . - Build production-grade services using Spring Boot . - Architect and implement robust microservices for complex application requirements. - Develop and maintain REST APIs and backend integrations. - Review technical specifications and translate them into reliable implementations. - Troubleshoot, debug, and optimize backend services for performance and stability. - Participate in code reviews and provide technically grounded feedback. - Improve backend reliability, security, maintainability, and scalability. - Document technical decisions, architecture, and implementation details clearly. - Collaborate with distributed engineering teams on complex backend development tasks. Requirements - Strong professional experience with Java backend development. - Advanced hands-on experience with Spring Boot . - Strong knowledge of microservices architecture and design principles . - Experience designing and building REST APIs. - Proven ability to write clean, maintainable, and efficient production code. - Strong understanding of backend architecture, data structures, and software engineering best practices. - Experience troubleshooting and optimizing backend applications. - Professional written and spoken English .