We are seeking a Full Stack Software Engineer to join our Data & Analytics Team at Mercer. You will be joining us in building Oliver Wyman’s new hub in Lisbon.
This is a hybrid role that has a requirement of working at least three days a week in the office.
Job Overview:
The Analytics Application Developer is a Full Stack Software Engineer with strong experience in modern front-end development and hands-on exposure to Python and React. Ideal candidate will be responsible for creating tools and platforms that enable users to interact with data in meaningful ways bridging the gap between data analytics and software development
Key Responsibilities:
Contribute to the design and development of applications using MEAN/MERN (MongoDB, Express.js, Angular or React, Node.js) and Python FastAPI.
Develop and maintain applications that enable data exploration, visualization, and reporting.
Design and Familiarity with microservices and API-first development.
Develop and deploy applications with a solid understanding of container technologies (e.g., Docker, Kubernetes, or similar).
Possess strong programming skills, knowledge of data warehousing and visualization tools
Develop clean, responsive, and accessible UIs using:
HTML5, CSS3, JavaScript/TypeScript
React
Optimize front-end performance for speed and scalability
Experience Required:
Bachelor’s degree in Computer Science, Software Engineering, or related field — or equivalent practical experience with demonstrable projects.
3+ years of of professional software engineering experience.
Experience working with Python, preferably with FastAPI.
Experience working with MEAN or MERN stack (Node.js, Express.js, Angular or React, MongoDB)
Experience with both SQL and NoSQL databases
Styling: CSS, Tailwind, Bootstrap, Sass
API integrations and JSON data handling
Good understanding of Git, CI/CD pipelines, and Agile development
Experience building responsive, scalable, and cross-browser-compatible interfaces
Preferred (Good to Have) Experience with UI component libraries (Material UI, Hero UI) Experience working on B2B SaaS or enterprise applications
Skills and Attributes:
Excellent problem-solving and critical thinking skills required
Strong spirit of innovation, self-starter, independent, and with ability to come up with solutions to meet business problems
Self-motivated with ability to work independently while also enjoying collaboration with cross-functional teams and other analysts
Strong desire to learn new skills and pass knowledge acquired onto others
Strong relationship building skills and ability to build alignment among customers and key stakeholders with demonstrated experience influencing without authority
Ability to work effectively in a fast paced, deadline driven, highly dynamic atmosphere and react quickly to changes and shifting priorities.
Effective communication skills and ability to translate numbers into a story
Attention to detail and user-centric approach
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.
As of November 7, 2024, the Business Group Global Boilerplate Language, Country Specific Regulatory Language (Ex. US EEO Statement) OR Global Diversity Statement, and Global Hybrid Work Policy Statement have been automated except for:
Marsh McLennan Agency
Mercer Marsh Benefits
Skills Required
- Bachelor's degree in Computer Science, Software Engineering, or related field
- 3+ years of professional software engineering experience
- Experience working with Python, preferably with FastAPI
- Experience working with MEAN or MERN stack
- Experience with SQL and NoSQL databases
- Good understanding of Git, CI/CD pipelines, and Agile development
- Experience building responsive, scalable, and cross-browser-compatible interfaces
- Preferred Experience with UI component libraries (Material UI, Hero UI)
- Preferred Experience working on B2B SaaS or enterprise applications
Marsh McLennan Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Marsh McLennan and has not been reviewed or approved by Marsh McLennan.
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Leave & Time Off Breadth — Leave offerings are described as generous, including sizable PTO, paid holidays, paid sick days, and additional time off such as paid volunteer time and “Summer days.” These time-off benefits are portrayed as a standout part of the overall rewards package.
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Healthcare Strength — Healthcare coverage is characterized as comprehensive, spanning medical, dental, and vision options, with additional supports like disability and life insurance and access to mental health resources and an EAP. The breadth of plan options is positioned as a core strength of the benefits package.
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Retirement Support — Retirement benefits are framed as solid, with 401(k) programs and employer matching frequently highlighted alongside other financial programs. Stock purchase options are also referenced as an additional wealth-building component of the total rewards mix.
Marsh McLennan Insights
What We Do
Marsh McLennan (NYSE: MMC) brings together nearly 78,000 experts in risk, strategy, and people across Marsh, Guy Carpenter, Mercer, and Oliver Wyman, serving clients in over 130 countries. Marsh enables enterprise worldwide by helping clients manage risks, transforming uncertainty into opportunity. Guy Carpenter helps clients grow profitably with reinsurance broking expertise, advisory services, and advanced analytics. Mercer helps organizations advance the health, wealth, and careers of their most vital asset — their people. Oliver Wyman’s expertise in strategy, operations, risk, and organization transformation changes what is possible for our clients, their industries, and society. Together, we combine a unique range of capabilities to help our clients solve problems, seize opportunities, and build lasting success in increasingly complex operating environments.









