Full stack developer

We are building our Engineering Team in Cluj to set the architectural and engineering standards, best practices, and processes that will drive the development of our Automation Platform. We're looking for a hands-on Engineer to join our global team and play a key role in developing and implementing this exciting new greenfield technology platform. This is a fantastic opportunity for someone eager to make an impact—working alongside senior engineers from around the world to help deliver a large-scale platform that will transform our business.

We will count on you to:

• Provide hands-on technical expertise to distributed technology teams building the Digital Automation Platform.
• Envision and develop core components that enable low-code front-end and back-end development, supporting seamless integrations and enhancing customer experiences across channels.
• Collaborate with Marsh McLennan teams on new and existing product development opportunities.
• Continuously learn about new technologies and share insights to keep the team up-to-date with industry trends and best practices.
• Help define and ensure adherence to technology standards, architecture, and engineering best practices across platform and implementation teams.
• Work with senior business and technology leaders worldwide to translate business needs into technical solutions that deliver real value.

What you need to have:

MERN Stack Proficiency (3-5 years commercial experience)

• TypeScript: Skilled in both API and UI development approaches.
• React: Strong understanding of context management and UI architecture.
• Experience with NestJS or Express frameworks for REST API development.
• MongoDB: Proficient in database aggregations and data modeling.

Additional Technical Skills

• Hands-on experience building and maintaining scalable, customer-facing digital products.
• Experience with relational and non-relational databases (e.g., MS SQL, PostgreSQL, MongoDB).
• Deep knowledge of JavaScript, including various data structures. Proficiency in SCSS and UI frameworks such as Angular and/or React.
• In-depth understanding of the DOM, DOM events, NPM, semantic versioning, and package distribution.
• Familiarity with automated testing strategies using common libraries and frameworks.
• Understanding of security best practices and identity management processes. Experience with technologies such as Okta is a plus.

What makes you stand out?

• You're a technical expert with a personal curiosity for technology, trends, and standards—someone other engineers want to work with.
• Great communication and interpersonal skills; comfortable working in a distributed environment and able to build strong working relationships across teams, locations, and time zones.
• As a Full Stack Developer, you will be part of a highly technical team tasked with delivering various features on the R&D automation platform using the latest tech stack.

Why join our team:

• We help you be your best through professional development opportunities, interesting work and supportive leaders.
• We foster a vibrant and inclusive culture where you can work with talented colleagues to create new solutions and have impact for colleagues, clients and communities.
• Our scale enables us to provide a range of career opportunities, as well as benefits and rewards to enhance your well-being.
• An opportunity to work in a fast-growing, innovative company with lots of room for progression and career growth;
• A fail-friendly environment that encourages learning and initiative;
• A yearly budget and the opportunity to build your flexible benefits package (up to 20% of your annual salary);
• 30+ days off (25 legal days off , 1 extra day off on your birthday, public holiday replacement days, extra buy/sell from your benefits budget);
• 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;
• We champion flexible working, and our mission is to help you find YOUR work-life balance, whether that's standard working, flex-time working, or working from home

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.