Senior Full Stack AI Engineer (India / Remote)

The Company We are an award-winning software product engineering company that has delivered bespoke web, enterprise, mobile, and cloud solutions to clients around the world for over 25 years. The company has recently expanded into AI-driven innovation, offering AI development, consulting and implementation, data engineering and master data management, and cloud architecture alongside its core software development services. We are a Microsoft Silver Partner and AWS partner, ISO certified, and a SLASSCOM member, and in 2025 won gold at every major national technology award ceremony in Sri Lanka. With long-standing partnerships spanning 5 to 15+ years with global clients across healthcare, logistics, and enterprise software, we combine deep technical expertise with a client-first approach — helping start-ups and enterprises alike scale through digital transformation. The company prides itself on dedication, continuous improvement, and adaptability, building teams and solutions that grow and evolve alongside its clients' changing needs. Overview • Category: 1 Year Contract (Renewable) • Type: Full-time Employment (40hrs per week) • Location: India / Fully Remote / Work From Home • Working hours: Align with IST & GST (Middle east time) • Key Focus: Full-Stack Node.js, LLM Integrations, Production Delivery, CI/CD & Cloud Infrastructure About The Role We are seeking an experienced Senior Full Stack AI Engineer to build and scale critical product features across backend services, frontend applications, and cloud infrastructure. This is a hands-on engineering role focused on delivering reliable, secure, and maintainable software in a fast-moving environment. You will work closely with product, design, and engineering peers to implement end-to-end solutions, integrate Generative AI/LLM capabilities, and strengthen CI/CD quality and deployment safety. Technical Stack & Ecosystem • Backend Frameworks: Node.js (NestJS, Fastify, TypeORM, TypeScript). • Frontend Stack: React, Next.js, TypeScript, TanStack Query (React Query), TailwindCSS. • Databases & Caching: PostgreSQL, Redis. • Messaging & Workers: AWS SQS, event-driven background workers. • Infrastructure & Cloud: AWS (ECS Fargate, ECR, CloudFront), Docker. • Infrastructure as Code (IaC): Terraform. • CI/CD & Pipelines: GitHub Actions (build, test, migration, deploy workflows). • Testing Suite: Playwright (E2E/smoke testing), Vitest/Jest (Unit testing). • Third-Party Integrations: Twilio APIs, Auth0, LLM/Generative AI APIs (OpenAI, Azure OpenAI, Anthropic, etc.). Core Technical Responsibilities • Build and maintain performant, type-safe APIs and services using Node.js, NestJS, and TypeScript. • Deliver modern, responsive user experiences in React/Next.js with reliable client-server state handling. • Translate product requirements into clean, maintainable, production-ready code. • Implement and optimize LLM-powered workflows (prompting, semantic search, agentic flows, and RAG-style features). • Evaluate AI-assisted development tooling (e.g., Copilot/Cursor/agent workflows) and apply it responsibly to improve delivery speed and code quality. • Write and maintain meaningful automated tests across unit, integration, and E2E layers. • Diagnose production issues, improve observability, and reduce regression risk through robust engineering practices. • Participate actively in code reviews and uphold standards for readability, testability, and type safety. • Contribute to GitHub Actions workflows that enforce build/test/deploy quality gates. • Support safe deployments with migration sequencing, smoke testing, and rollback-aware release practices. • Work with Terraform and AWS services (ECS/Fargate/ECR/CloudFront) to ship and operate services at scale. • Follow secure coding practices and protect sensitive customer and tenant data. • Build features that respect regional data-residency and sovereignty requirements in multi-region architectures. • Ensure services correctly enforce tenant and region boundaries. Job Requirements • 6+ years of professional software engineering experience in modern web platforms. • Bachelor’s degree (or equivalent practical experience) in Computer Science, Software Engineering, or related field. • Strong experience with Node.js (NestJS/Fastify) and TypeScript in production systems. • Strong experience with React/Next.js and modern frontend engineering practices. • Hands-on experience integrating LLM/Generative AI APIs into real product workflows. • Proven experience with PostgreSQL, schema evolution/migrations, and performance-conscious querying. • Practical experience with AWS containerized deployments and Terraform. • Experience creating or maintaining GitHub Actions pipelines and Playwright E2E tests. • Familiarity with event-driven architectures and asynchronous processing patterns. • Experience in scheduling/booking, POS, or payments domains. • Strong collaboration and communication skills in cross-functional delivery teams. Nice-to-Haves • Experience with multi-region routing, tenant isolation, and data residency controls. • Prior mentoring experience for junior/mid-level engineers.