1,957,435open jobs
115,569companies
239,741added this week
Browse all
Salary
≈ $29k – $67k per year (Estimated)
Location
Hybrid (Lisbon, Portugal)
Seniority
Middle · 3+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 23, 2026. First seen by Alion on Sep 10, 2026. Marsh McLennan scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Marsh McLennan is a global professional services firm in risk, strategy and people, headquartered in New York and listed on the New York Stock Exchange. It operates through four businesses, Marsh in insurance broking, Guy Carpenter in reinsurance, Mercer in health, wealth and benefits consulting and Oliver Wyman in management consulting, with about 90,000 colleagues in some 130 countries. It hires catastrophe risk analysts, reinsurance brokers, benefits consultants, sales executives, paralegals, software engineers and IT support staff in hubs such as London, Cluj-Napoca and Mexico City.

Company:

Oliver Wyman

Description:

We are seeking aFull 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 aFull 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) andPython 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 withFastAPI.

  • 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

Oliver Wyman is a business of Marsh (NYSE: MRSH), a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $27 billion and more than 95,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information, visit oliverwyman.com, or follow us on LinkedIn and X. Marsh 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 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 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.
Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,957,435 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Analytics
Similar stack
Same company
Lisbon
≈ $33k – $63k per year (Estimated) • Hybrid • Full-Time • Lisbon
SQL
AI/ML
Claude
Anthropic
Analytics
Power BI
A/B Testing
Looker
Apply
$20k – $27k per year • Hybrid • Full-Time • Lisbon
SQL
Apply
≈ $21k – $52k per year (Estimated) • Hybrid • Bachelor's Degree • Lisbon
Analytics
Power BI
Microsoft Excel
Management
Confluence
Jira
Agile
Scrum
Apply
Business Analyst 1 day ago
≈ $29k – $60k per year (Estimated) • Hybrid • Full-Time • Lisbon
Management
Confluence
ServiceNow
Agile
Scrum
Kanban
Apply
$34k – $40k per year • Remote (Portugal) • Full-Time • Portugal
Java
AI/ML
Copilot
Cursor
Prompt Engineering
Devin
Apply
≈ $26k – $54k per year (Estimated) • In office • Lisbon
JavaScript
Apply
IT Business Analyst 11 hours ago
≈ $27k – $55k per year (Estimated) • In office • Lisbon
Analytics
Power BI
Apply
≈ $125k – $231k per year (Estimated) • In office • Full-Time • London • Madrid • Lisbon • Barcelona • Reading
AI/ML
LLM
RAG
Hallucination
Management
Agile
Apply
≈ $44k – $91k per year (Estimated) • In office • Full-Time • Bachelor's Degree • Lisbon
Python
AI/ML
Time Series
Machine Learning
Apply
≈ $40k – $102k per year (Estimated) • In office • Full-Time • Lisbon
Apply
See all jobs
This is one of many
1,957,435 more open roles from verified company boards, updated every day.