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Associate Director, MERN/MEAN, GenAI
Marsh McLennanSenior Full-Stack Engineer, Generative AI role at Oliver Wyman to design and build enterprise-grade AI-enabled solutions in a hybrid work environment. Seeking experienced engineers with a strong background in software development and LLMs.
Tech Stack
Tools & technologiesCloudDistributed SystemsDjangoNode.jsPythonReactTypeScript
About the role
Key responsibilities & impact- 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, selecting appropriate patterns, tools, and architectures.
- Guide the evolution of 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 that balance 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.
- Identify opportunities for reuse and contribute to shared components, patterns, and standards.
- Collaborate closely with product, architecture, security, and platform teams in an Agile delivery environment.
- Provide technical guidance and mentorship to other engineers through design discussions and example.
- Contribute to continuous improvement of engineering practices within the team or domain.
Requirements
What you’ll need- 13+ years of professional software engineering experience, including building and operating production systems.
- 2+ years of hands-on experience working with Large Language Models (LLMs) in applied or production contexts.
- Strong 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.
- Proven experience deploying, operating, and supporting systems in cloud environments.
- Experience working in Agile delivery teams and collaborating across disciplines.
- Strong communication skills, with the ability to explain technical concepts to a range of audiences.
- Sound engineering judgment and a pragmatic, delivery-focused mindset.
Benefits
Comp & perks- Meaningful technical ownership without people-management responsibilities
- A collaborative, inclusive engineering culture with strong technical peers
- Ongoing learning and professional development opportunities
- Competitive compensation and benefits aligned with local market practices
ATS Keywords
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Hard Skills & Tools
Full-Stack DevelopmentAPI DesignNodeJSNestJSPythonFastAPIReactTypeScriptCloud DeploymentAgile Methodologies
Soft Skills
Strong Communication SkillsMentorshipCollaborationSound Engineering JudgmentDelivery-Focused Mindset