Associate Director (MEAN/MERN Stack + GenAI)

As an Associate Director - Applications Development at Oliver Wyman, a Marsh business, based in Gurugram/Noida/Pune, you will be responsible for designing, building, and operating enterprise-grade AI-enabled solutions. Your role as a senior full-stack engineer will involve working on complex, real-world problems and developing AI-enabled web applications across the full stack using modern frontend and backend technologies, Large Language Models (LLMs), and cloud infrastructure. You will play a key role in evolving solutions from early proof of concept to scalable, production-ready systems. Key Responsibilities: - Lead the technical design and delivery of complex, AI-enabled features or services - Design, build, and evolve full-stack applications using modern frontend and backend frameworks - Build and maintain robust, high-performance APIs using NestJS / NodeJS or FastAPI / Python - Integrate Large Language Model (LLM) capabilities into production systems - Guide proofs of concept into production-ready, scalable solutions within enterprise constraints - Own technical solutions end-to-end, including design, implementation, deployment, and operational readiness - Make sound engineering decisions balancing security, scalability, reliability, maintainability, and testability - Act as a hands-on engineer, write production code, review code, and contribute to testing and observability - Champion strong engineering practices including code quality, testing, CI/CD, and documentation - Collaborate closely with product, architecture, security, and platform teams in an Agile delivery environment - Provide technical guidance and mentorship to other engineers - Contribute to the continuous improvement of engineering practices within the team or domain Qualifications Required: - 13+ years of professional software engineering experience - 2+ years of hands-on experience working with Large Language Models (LLMs) - Proficiency in a modern frontend framework, ideally React with TypeScript - Deep hands-on experience with NodeJS / NestJS and/or Python (FastAPI or Django) - Strong understanding of API design, distributed systems, and service-oriented architectures - Experience deploying, operating, and supporting systems in cloud environments - Experience working in Agile delivery teams and collaborating across disciplines - Strong communication skills and sound engineering judgment - Pragmatic, delivery-focused mindset Additional Company Details: Marsh (NYSE: MRSH) is a global leader in risk, reinsurance, and capital, advising clients in 130 countries. With over $27 billion in annual revenue and more than 95,000 colleagues, Marsh offers a collaborative, inclusive engineering culture with ongoing learning and professional development opportunities. The company is committed to embracing a diverse, inclusive, and flexible work environment, providing competitive compensation and benefits aligned with local market practices. As an Associate Director - Applications Development at Oliver Wyman, a Marsh business, based in Gurugram/Noida/Pune, you will be responsible for designing, building, and operating enterprise-grade AI-enabled solutions. Your role as a senior full-stack engineer will involve working on complex, real-world problems and developing AI-enabled web applications across the full stack using modern frontend and backend technologies, Large Language Models (LLMs), and cloud infrastructure. You will play a key role in evolving solutions from early proof of concept to scalable, production-ready systems. Key Responsibilities: - Lead the technical design and delivery of complex, AI-enabled features or services - Design, build, and evolve full-stack applications using modern frontend and backend frameworks - Build and maintain robust, high-performance APIs using NestJS / NodeJS or FastAPI / Python - Integrate Large Language Model (LLM) capabilities into production systems - Guide proofs of concept into production-ready, scalable solutions within enterprise constraints - Own technical solutions end-to-end, including design, implementation, deployment, and operational readiness - Make sound engineering decisions balancing security, scalability, reliability, maintainability, and testability - Act as a hands-on engineer, write production code, review code, and contribute to testing and observability - Champion strong engineering practices including code quality, testing, CI/CD, and documentation - Collaborate closely with product, architecture, security, and platform teams in an Agile delivery environment - Provide technical guidance and mentorship to other engineers - Contribute to the continuous improvement of engineering practices within the team or domain Qualifications Required: - 13+ years of professional software engineering experience - 2+ years of hands-on experience working with Large Language Models (LLMs) - Proficiency in a modern frontend framework, ideally React with TypeScript - Deep hands-on experience with Nod