Intermediate Software Engineer (POS)

• Design, develop, and maintain backend systems for the Nigerian POS business, ensuring system stability, scalability, and high performance. • Collaborate closely with the frontend development team to define API interface specifications, ensuring seamless coordination between frontend and backend. • Participate in defining system architecture and technology choices, providing feasible technical solutions for business requirements. • Address technical challenges in system development, ensure code quality and security, perform code reviews and optimizations. • Coordinate with the testing team to ensure product quality, participate in system testing and troubleshooting efforts. • Stay updated on technology trends, propose improvements and innovative suggestions, and maintain awareness of industry best practices. • Possess detailed experience in the Nigerian POS business domain, understanding the interaction flows between institutions and channels, and familiarity with business rules and processes. • Have expertise in standard protocols related to the POS domain, particularly ISO 8583 and other POS communication protocol standards. • Assist in resolving critical issues, provide technical support and training, ensuring the smooth operation of the system. Qualification • Bachelor's degree or equivalent in Computer Science, Software Engineering, or related field. • Minimum of 3 years of experience in backend development, with preference for those experienced in POS business development. • Proficiency in Java programming language, familiarity with Spring Boot framework, and experience in microservices architecture is a plus. • Experience in database design and optimization, familiarity with relational databases (such as MySQL). • Practical experience with technologies like message queues, caching, e.g., Kafka, Redis. • Familiarity with at least one RPC calling framework, with FeignClient being preferred, knowledge of GRPC, etc. • Strong object-oriented programming skills, familiar with common design patterns and principles, can break down and simplify complex problems. • Strong problem-solving skills, and ability to work in a fast-paced environment while maintaining high efficiency. • Effective communication skills and teamwork, capable of collaborating with team members from diverse backgrounds.