Backend (Node.js) Developer + AI Experience (OpenAI or others)

Key Responsibilities

• Design, develop, and maintain backend applications using Node.js and NestJS
• Build REST APIs, GraphQL services, microservices, and serverless solutions
• Integrate OpenAI APIs and other AI or LLM services into production systems
• Develop AI driven features such as chatbots, automation tools, content generation, and recommendations
• Design API workflows for prompts, embeddings, AI responses, and async processing
• Work with SQL and NoSQL databases including PostgreSQL, MySQL, and MongoDB
• Ensure high performance, scalability, and reliability of backend and AI services
• Collaborate with frontend and product teams on API design and AI requirements
• Implement authentication and security using JWT, OAuth2, and secure data handling
• Optimise performance including AI call latency, caching, and rate limit handling
• Write clean, reusable, and testable code
• Create unit and integration tests using Jest, Mocha, or Chai
• Debug, troubleshoot, and resolve production issues
• Participate in Agile ceremonies, code reviews, and technical discussions
• Document APIs, AI integrations, and backend architecture
• Stay up to date with Node.js, NestJS, and AI technology trends

Key Qualifications

• 4 or more years of backend development experience
• Strong experience with Node.js, NestJS, TypeScript, and JavaScript
• Hands on experience working with OpenAI APIs or similar AI platforms
• Good understanding of AI concepts including prompt engineering, embeddings, and token limits
• Experience building and consuming REST and GraphQL APIs
• Strong knowledge of authentication and API security practices
• Experience with relational and NoSQL databases such as PostgreSQL, MySQL, and MongoDB
• Familiarity with Redis, RabbitMQ, or Kafka is a plus
• Experience with cloud platforms such as AWS, Azure, or GCP
• Knowledge of Docker, CI CD pipelines, and automated deployments
• Strong understanding of OOP, design patterns, and clean code principles
• Strong problem solving and debugging skills
• Basic familiarity with frontend frameworks like React or Angular is a plus
• Fluent in English with strong communication and time management skills

Job Type: Full-time

Work Location: In person