Senior AI Full Stack Developer

3 days ago

ClujNapoca, Cluj, Romania Marsh McLennan Full time €60,000 - €120,000 per year

Are you passionate about technology and eager to make a real impact? Join our cutting-edge AI Innovation Team, where you will play a vital role in designing, developing, and maintaining state-of-the-art web applications. Work with a diverse group of talented professionals in a dynamic, start-up-like environment, and help shape the future of digital solutions

THE ROLE & YOUR MISSION

  • Contribute early to a rapidly evolving field with strong executive backing.
  • Experience the excitement of a start-up culture while being backed by a global pioneer in the industry.
  • Engage in thrilling initiatives like Hackathons and link with the broader MMC Tech ecosystem.
  • Be part of our strategic tech hub that delivers innovative digital solutions for clients and colleagues alike.
  • Embrace a fast-paced, experimental approach with a focus on rapid iteration and a willingness to pivot quickly—adopt a proof-of-concept mindset to drive innovation and efficiency.
  • Ability to fail, fail fast and be able to explain the failures too.

Your Experience & Values

  • 3+ years of experience
  • Proficiency in a modern frontend framework, ideally React (Vue or Angular are also great)
  • Hands-on experience with NestJS / NodeJS or a similar technology stack
  • Experience with or knowledge of Python
  • Strong comprehension of restful APIs
  • A creative, problem-solving mindset that drives your work
  • Excellent communication skills in both English and Romanian
  • Knowledge on LLM's
  • Knowledge of prompt engineering techniques
  • Knowledge on RAG

What makes you stand out:

  • Practical experience with Kubernetes and MongoDB
  • Deployments/ infrastructure

WE WILL COUNT ON YOU TO

  • Engage effectively with our counterparts in the Dublin and Cluj AI team.
  • Operationalize prototypes developed by the Dublin or local AI teams.
  • Ensure seamless handover of operationalized prototypes to business technology teams.
  • Thrive as a collaborate developer in an Agile environment.
  • Embrace a lifelong learning mindset, continuously seeking opportunities for improvement.
  • Establish and maintain best practice development frameworks and standards, such as Prompt Engineering.
  • Develop practices and guidelines to improve consistency and reuse of solutions.

Marsh McLennan (NYSE: MMC) is a global leader in risk, strategy and people, advising clients in 130 countries across four businesses: Marsh, Guy Carpenter, Mercer and Oliver Wyman. With annual revenue of $24 billion and more than 90,000 colleagues, Marsh McLennan helps build the confidence to thrive through the power of perspective. For more information, visit , or follow on LinkedIn and X.

Marsh McLennan is committed to creating a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age, background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, or any other characteristic protected by applicable law.

Marsh McLennan is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh McLennan colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office-based teams will identify at least one "anchor day" per week on which their full team will be together in person.

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