Backend Developer

Responsibilities:

• Develop and maintain backend applications using Node.js and TypeScript/JavaScript.
• Design and build scalable APIs, services and backend workflows.
• Work with databases, authentication, permissions and business logic.
• Integrate frontend applications with backend services.
• Build and integrate AI/LLM-powered features and workflows.
• Integrate third-party APIs, payment services, webhooks and external platforms.
• Debug and resolve backend, API and integration issues.
• Improve performance, security and reliability of existing systems.
• Work with frontend, DevOps, product and AI teams to deliver features end-to-end.
• Review, test and maintain production-quality code.

Requirements:

• Strong commercial experience with Node.js.
• Good knowledge of TypeScript/JavaScript.
• Strong experience building REST APIs and backend services.
• Experience with PostgreSQL and/or other databases.
• Good understanding of authentication, API security and system integrations.
• Experience integrating AI/LLM technologies such as OpenAI, Claude, Gemini or similar.
• Strong debugging and problem-solving skills.
• Experience with Git and collaborative development.

Added Advantage:

• Experience with AI agents, RAG, embeddings or vector databases.
• Experience building SaaS or AI-powered platforms.
• Familiarity with AWS, Docker and CI/CD.
• Experience with microservices, queues, caching and asynchronous processing.
• Experience with payment and third-party platform integrations.