# Marie Clemessy

> Senior Software Engineer

Location: Miami Beach, Florida, United States
Profile: https://flows.cv/marieclemessy

## Work Experience
### Senior Software Engineer @ Unknown
Jan 2025 – Present | Miami, Florida, United States

### Senior Software Engineer @ Nopillo
Jan 2024 – Jan 2025 | Miami, Florida, United States

### Senior Software Engineer - Android, React Native & React @ Microsoft
Jan 2018 – Jan 2023 | New York, NY & Seattle, WA
Outlook is an email and calendar app with 1 billion+ downloads and a 4.5+ star rating on the Google Play Store.
- Assumed technical leadership (architecture, planning, implementation) for multiple core, user-facing application components, coordinating a team of 3 engineers
- Implemented modern, accessible, and reusable UI components using Android design patterns
- Served as the primary point of contact for cross-platform telemetry and privacy efforts (telemetry event design, dashboards, privacy reviews)
- Participated in the weekly application release process (release cut, staged feature releases, crash monitoring)
- Built and maintained internal web apps with React & Material UI
- Built, integrated, and maintained React Native components in native Android UI
- Worked closely with product and design teams to define and refine feature specifications and document technical plans
- Played a key role in onboarding, mentoring, team building, and knowledge-sharing initiatives

Technologies: Android (incl. Jetpack libraries, MVVM), Kotlin (incl. coroutines, flows), React Native, React, Java, JUnit, CI/CD with Azure DevOps, Git

### Software Engineer - Full-stack @ Microsoft
Jan 2015 – Jan 2019 | New York, NY, USA
Supporting Outlook Mobile (on Android and iOS) features for 100M+ MAU
- Built microservices exposing sports activities sourced from Strava, Runkeeper, and Nike APIs at Sunrise (acquired by Microsoft)
- Improved the performance, reliability, monitoring, and unit test coverage of ad-hoc microservices powering various Outlook features (contact avatars, event icons, email server configuration, etc.)
- Re-architected Sunrise’s calendar API integrations (Facebook, Evernote, Wunderlist, Meetup) to make them available to Outlook users and migrate from Heroku to Microsoft Azure
- Built and maintained internal web apps with React & Material UI
- Built and maintained CI/CD automation workflows for testing and deploying APIs

Technologies: Node.js, JavaScript, React, Mocha, Heroku, Microsoft Azure, CI/CD with Jenkins, Grafana, Git

### Software Engineer - Backend @ Sunrise Atelier
Jan 2015 – Jan 2015 | New York, New York, USA
Sunrise is a discontinued electronic calendar application for mobile and desktop, acquired by Microsoft in 2015.
- Built microservices exposing sports activities sourced from Strava, Runkeeper, and Nike APIs

### Participant @ Recurse Center
Jan 2014 – Jan 2015 | Greater New York City Area
12-week self-directed retreat for programmers
- Built a BitTorrent client in Node.js (supports downloading and seeding of single and multiple-files torrents - HTTP requests, sockets, encoding, writing to disk)
-Refactored a Redis client library for Node.js to implement Redis clusters (involved understanding a large codebase, breaking down code into modules, and porting Ruby code)
- Built a picture-geolocalization app in Meteor using Google Maps API (added support for accounts, captions, picture pages) as a pair-programming project
- Designed and implemented a web application based on the problems from the Euler project

### Junior Consultant @ MAD Network
Jan 2013 – Jan 2014 | Paris, France
- Consulting projects for luxury retail brands: strategic recommendations, strategy and analysis of in-store A/B test, creation of boutique clusters, training material for retail staff.
- Improved client-relationship management skills through direct contact with prestigious clients.
- Learned R to try and refine traditional analysis tools and make the overall approach more statistical.
- Managed content updates on the company website and presented conclusions of traffic analysis.

### Project Executive Intern @ House of Kaizen
Jan 2012 – Jan 2012 | London, United Kingdom
- Built website conversion rate optimization tests (A/B tests): research, strategy, wireframes, and analytics. 
- Coordinated developers, designers and copywriters to meet goals and deadlines for the tests.
- Participated in the elaboration and adoption of new internal tools, workflows and processes.
- Recruited 2 interns: updated and managed the application process, conducted interviews, trained interns.

### Operational Marketing Intern at Sanoflore @ L'Oréal
Jan 2011 – Jan 2011 | Asnières-sur-Seine, France
- Created in-store advertising and training content for two product launches.
- Worked with designers and suppliers to create tailored display stands and promotional communication items.
- Wrote monthly reports on analysis of sales performance and competition.

### Sales assistant, Bookshop team, Maison des Champs Elysées @ Louis Vuitton
Jan 2010 – Jan 2010 | Paris, France
- Acquired sales techniques in luxury products: high-end leather goods, deluxe books and art objects.
- Enhanced communication skills in international context with a demanding customer base.


## Education
### Master 2 in Alternative Management
HEC Paris
Jan 2009 – Jan 2013

### Classe préparatoire in Maths, Geopolitics, Languages.
Collège Stanislas Paris
Jan 2007 – Jan 2009

### Baccalauréat (French High School diploma) obtained with honours in Maths, Physics, Chemistry.
Collège Stanislas Paris
Jan 2004 – Jan 2007


## Contact & Social
- LinkedIn: https://linkedin.com/in/marieclemessy

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Source: https://flows.cv/marieclemessy
JSON Resume: https://flows.cv/marieclemessy/resume.json
Last updated: 2026-03-22