This job is with Thermo Fisher Scientific, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ business community. Please do not contact the recruiter directly. Work Schedule Other Environmental Conditions Office Job Description Summarized Purpose: We are looking for a Lead Full-Stack AI Engineer with strong frontend expertise to design and deliver production AI web applications end-to-end, including AI UX, React/Next.js experiences, Python APIs, RAG pipelines, enterprise integrations, LLMOps, security, and team leadership. Education/Experience: Bachelor's degree or equivalent in Computer Science, Information Technology, or related field 7 years of experience in full stack application development, frontend architecture, cloud deployment, and AI/LLM-enabled product delivery Major Job Responsibilities: Define frontend architecture, component library strategy, and design system adoption across product teams Design and deliver AI-enabled user experiences using React/Next.js, TypeScript, Python APIs, and FastAPI services Guide frontend, backend,



and AI integration decisions across RAG, LLM tool calling, vector search, and enterprise systems Build event-driven microservices and integrations across internal platforms, SaaS applications, and AWS cloud services. Hands-on experience with PostgreSQL, RDS and S3. Lead engineering execution through architecture reviews, code reviews, security reviews, GitHub workflows, JIRA delivery tracking, and mentoring Knowledge, Skills, and Abilities: Robust expertise in React/Next.js, TypeScript, component-driven UI architecture, component libraries, and design systems Hands-on experience with Python, FastAPI, REST APIs, microservices, event-driven architecture, and AWS cloud deployment Experience with OpenAI or similar LLM APIs, RAG pipelines, embeddings, vector databases, and tool/function calling Knowledge of enterprise integration patterns, authentication, authorization, API security, observability

📌 Lead Full stack Developer (Bengaluru)
🏢 Thermo Fisher Scientific
📍 Bengaluru