Senior Back-End Software Developer (Ruby on Rails API) (JHB/Stellenbosch)

ENVIRONMENT: DESIGN, implement, and maintain the core business logic, APIs, and data storage systems of web applications of a dynamic AgriTech company seeking your coding expertise to be its next Senior Back-End Software Developer. Your focus will be on developing high-quality, scalable code and collaborating with cross-functional teams. Proficiency in technical leadership, architecture, project planning, and maintaining large Ruby on Rails codebases would set you apart. DUTIES: Design, develop, and maintain the core Ruby on Rails API and application logic. Design and implement GraphQL schema and resolvers to efficiently serve Front-End clients. Manage the full application lifecycle including deployment and maintenance on cloud infrastructure like AWS and Heroku (for API and background workers). Maintain and improve data storage strategies — research sharding and other concepts, as well as different DB/storage types (e.g., PostgreSQL, MongoDB, Snowflake). Write maintainable production-...