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Backend Engineer (6 month fixed-term contract) at Kupa Global. About RVS. Our client, . Royal Voluntary Service (RVS). , is a leading UK charity managing one of the largest networks of volunteers across the country to deliver essential healthcare, homelessness, and food security services. RVS is embarking on an exciting digital transformation and hiring their first-ever tech team out of South Africa in their 80-year history.. We are seeking a . mid to senior Server-Side Engineer.  to join RVS’s technology team. You’ll play a critical role in developing stable, scalable platforms that empower volunteers to continue their life-changing work. You will help enforce best practices in coding, automation, and infrastructure management, thus driving faster, more reliable software releases. This role reports to the . Chief Information officer.. Consider applying if you want to make an impact whilst earning a competitive salary.. What You Will Be Doing. . . Server-Side Development. : Design, build, and optimize scalable back-end applications using NestJS and Docker.. . . API & Database Management. : Develop robust RESTful APIs, integrate with front-end solutions, and manage both relational (PostgreSQL) and NoSQL (MongoDB) databases.. . . Quality & Performance. : Write unit and integration tests, troubleshoot performance issues, and maintain high security standards.. . . Collaboration & Delivery. : Work closely with DevOps teams to align with CI/CD pipelines and ensure smooth, timely deployments.. . Our Ideal Candidate Has :. Experience & Knowledge. :. . 5+ years as a server-side/back-end engineer. . Expert in NestJS, Node.js, TypeScript, and RESTful API development. . Familiarity with both relational (PostgreSQL) and NoSQL (MongoDB) databases. . Proven track record in containerization (Docker), CI/CD pipelines, and automated deployments. . Tools & Technologies. :. . Proficient with GraphQL, OAuth, JWT for secure and efficient integrations. . Skilled in Maven, npm, and testing frameworks (Jest, Cypress, Mocha). . Experience with Azure, ADO, and other cloud environments. . Technical & Analytical Skills. :. . Strong understanding of server-side architecture and best practices. . Ability to optimize performance, ensure security, and maintain code quality. . Adept at troubleshooting, data-driven decision making, and continuous improvement. . Clear communicator, adept at collaborating with diverse teams. Highly organized and capable of managing multiple priorities effectively.. . Company Location: South Africa.