Marsh McLennan

Full-Stack Engineer, GenAI

Marsh McLennan

full-time

Posted on:

Location Type: Hybrid

Location: Cluj-Napoca • Romania

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Tech Stack

AngularAWSCloudDjangoNode.jsNoSQLPythonReactSQLTypeScript

About the role

  • Design, develop, and maintain scalable web applications using React with TypeScript
  • Build robust and high-performance APIs using NestJS / NodeJS or FastAPI / Python
  • Integrate applications with Large Language Model (LLM) APIs and related AI components
  • Embrace an iterative development approach, starting from proofs of concept and evolving solutions into production-ready, scalable applications within enterprise constraints
  • Own the design and implementation of features or services end-to-end, from development through deployment, while collaborating with Tech Leads, Senior engineers and Architects
  • Deploy, operate, and monitor applications on cloud infrastructure (e.g., AWS), following enterprise standards for security and reliability
  • Work with both SQL and NoSQL data stores
  • Collaborate closely with cross-functional teams in an Agile environment, participating in daily stand-ups, sprint planning, and retrospectives
  • Write clean, maintainable, and well-documented code following established engineering best practices
  • Learn from failures, adapt quickly, and clearly communicate lessons learned
  • Maintain a lifelong learning mindset, continuously improving your technical and professional skills
  • Work effectively as part of a distributed (remote/virtual) team

Requirements

  • 3 - 4 years of relevant professional software engineering experience in production environments
  • 1 - 2 years of hands-on experience working with Large Language Models (LLMs)
  • Proficiency in a modern frontend framework, ideally React with TypeScript (Angular is also acceptable)
  • Hands-on experience with NestJS / NodeJS
  • Experience with or working knowledge of FastAPI or Django using Python
  • Strong understanding of RESTful APIs
  • Experience working in Agile delivery teams
  • Exposure to deploying and maintaining cloud-based systems
  • Strong communication skills in English
Benefits
  • A yearly budget and the opportunity to build your flexible benefits package (up to 20% of your annual salary)
  • 30+ days off (including legal days, birthday, public holiday replacements, and benefits options)
  • Performance bonus scheme
  • Matching charity contributions, charity days off, and the Pay it Forward charity challenge
  • Core benefits: Pension, Life and Medical Insurance, Meal Vouchers, Travel Insurance
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
ReactTypeScriptNestJSNodeJSFastAPIPythonRESTful APIsSQLNoSQLAgile
Soft Skills
communicationcollaborationadaptabilityproblem-solvinglifelong learning