POS Backend Development Engineer at Palmpay

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