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Lead Full Stack Developer

Thermo Fisher Scientific

On-site
Bengaluru, Karnataka
Full-time
Senior
Manager
7+ yrs
Salary not listedPosted 2w ago

Real job — pulled straight from Thermo Fisher Scientific’s careers page · Verified July 29, 2026 · No reposts.

Job description

Thermo Fisher Scientific is hiring a Lead Full Stack Developer — a full-time, based in Bengaluru, Karnataka role. Apply directly on Thermo Fisher Scientific's careers page below.

Lead Full stack Developer

Location: Bengaluru, Karnātaka, India

Category: IT, Data & Tech

Employment Type: Full time

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: 

  • Strong 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, and LLMOps practices 

  • Experience with Aurora PostgreSQL, RDS, and additional relational database platforms. 

  • Ability to lead architecture decisions, mentor engineers, align stakeholders, and balance frontend, backend, and AI tradeoffs 

Must Have Skills: 

  • Lead-level React/Next.js and TypeScript frontend architecture experience 

  • Python, FastAPI, API design, microservices, and event-driven architecture experience 

  • Production AI application delivery with LLM APIs, RAG, vector databases, tool calling, and AI UX patterns 

  • AWS cloud deployment, enterprise integrations, GitHub, JIRA, security, and technical leadership experience 

Good to Have Skills: 

  • Component library ownership and design system governance at enterprise scale 

  • LLMOps experience including evaluation, prompt/version management, monitoring, reliability, and cost optimization 

  • Knowledge of secure enterprise AI patterns, data privacy, access control, compliance, and production observability 

Working Hours: 

  • India: 05:30 PM to 02:30 AM IST 

  • Philippines: 08:00 PM to 05:00 AM PHT 

 

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Frequently asked questions

What skills are required for Lead Full Stack Developer at Thermo Fisher Scientific?

The required skills for Lead Full Stack Developer at Thermo Fisher Scientific include: React, Next.js, TypeScript, Python, FastAPI, Microservices, AWS, RAG, PostgreSQL, RDS, S3, GitHub, JIRA, Leadership.

What is the seniority level for Lead Full Stack Developer at Thermo Fisher Scientific?

Lead Full Stack Developer at Thermo Fisher Scientific is a Senior / Manager level position.

How do I apply for Lead Full Stack Developer at Thermo Fisher Scientific?

You can view the full description and apply for Lead Full Stack Developer at Thermo Fisher Scientific on EchoJobs: https://echojobs.io/job/thermo-fisher-scientific-lead-full-stack-developer-2wcqe.