• POS Backend Development Engineer
  • Job Responsibilities
    • 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, and 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.
    • Possesses 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 to ensure the smooth operation of the system.
  • Qualifications
    • Bachelor's degree or equivalent in Computer Science, Software Engineering, or related field.
    • Minimum of 5 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, capable of breaking down and simplifying complex problems.
    • Strong problem-solving skills, 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.