# Sylvie Donatien

> Product Designer at Jellyfish

Location: Greater Boston, United States
Profile: https://flows.cv/sylviedonatien

I am a UX Designer with a strong background in Software Engineering.
I'm passionate about bringing joy to people's lives through valuable and simple design.
Empathy, a constant search for improvement, and a passion for learning are my driving forces.

## Work Experience
### Product Designer @ Jellyfish
Jan 2021 – Present

### UX Designer / Front-End Developer @ feamzy
Jan 2021 – Jan 2021 | Remote
Designed and developed key features in social mobile app for parents using Adobe XD, TypeScript, Angular, Ionic, and Sass while simplifying app user experience and refactoring source code.
* Enhanced onboarding and registration user experience by identifying pain points through user journey, mapping, and stats monitoring of 1K+ users, prototyping in Adobe XD, testing, and coding preferred solutions.
* Reorganized 100+ assets into Design System in Adobe XD, including colors, typography, iconography, multi-state components, easing changes, speeding up designs, and achieving visual consistency.
* Restructured existing source code by refactoring duplicated code into reusable components and reorganizing Sass code, using 7-1 architecture pattern.
* Created and presented designs of 20+ screens for desktop and tablet with Adobe Comp and Adobe XD.

### Principal Site Reliability Engineer @ Amadeus
Jan 2020 – Jan 2021 | Greater Boston
Defined, enhanced, and evangelized Site Reliability Engineering (SRE) methodologies.
* Fostered SRE local community of about 30 members, sharing SRE best practices and tooling.
* Improved usability of services tapped into by 30 SRE, applying service design principles.
* Created 10+ video tutorials and guides for sharing knowledge and accelerating onboarding of newcomers.

### Senior Site Reliability Engineer @ Amadeus
Jan 2018 – Jan 2020 | Greater Boston
Migrated legacy applications to Cloud platforms using Docker, Red Hat OpenShift, Couchbase, and Kafka.
* Increased local team's productivity by restructuring work and acting as local Scrum Master in Scrum team distributed across 3 time zones, USA-France-India.
* Improved collaboration and communication between 4 teams in 2 time zones, USA-France, by encouraging use of cameras in calls, scheduling regular checkpoints for sharing progress, making sure documentation was up-to-date, and setting up persistent communication channels for asking for help, sharing tips, best practices, and local news.
* Deployed monitoring and logging centralization for 2 Cloud applications with Prometheus, Splunk, and Grafana.
* Automated deployment to Cloud, using Docker, Jenkins, Python, and bash scripts.
* Provided mentorship to 3 associate engineers, accelerating performance and engagement.

### Senior Software Engineer @ Amadeus
Jan 2015 – Jan 2018 | Greater Boston
Enhanced flight services using C and Java and built and shipped ReST APIs for community of developers.
* Conceived and built 3 ReST Flight Search and Shopping APIs for Amadeus for Developers community.
* Built orchestrator in Java to decrease response time by leveraging precomputed data over live data.
* Implemented slider feature in Miles & Cash conversion engine in C, easing flight booking checkout process for people flying Lufthansa by enabling customers to pay for flights in full or in part with award miles.
* Collaborated as Scrum Master in Miles & Cash project for Lufthansa.

### Software Engineer @ Amadeus
Jan 2014 – Jan 2015 | Greater Boston
Wrote quality code in C for Flight Search, Shopping, and Pricing core engine.
* Implemented proof-of-concept in C of Flight Shopping product based on precomputed data for United Airlines.

### Software Engineer @ Amadeus
Jan 2011 – Jan 2014 | Greater Nice Metropolitan Area
Developed new features for airlines in e-Commerce booking components in Java.
* Enriched 4 SOAP APIs, meeting critical needs to more than a hundred airlines.
* Wrote functional and technical documentation, showcased products to airlines and provided support during implementation phase.

### Software Engineer @ Amadeus
Jan 2006 – Jan 2011 | Greater Nice Metropolitan Area
Developed and maintained data caching services for Flight Search, Shopping, and Pricing products, serving billions of requests per day.
* Accelerated feature development and improved legacy code maintainability by implementing plug-in architecture in C.
* Migrated fares data from Unisys databases to Relational Database Management System databases, easing decommissioning of costly Unisys mainframes and enabling adoption of Open-Source technologies.

### Software Engineer @ Astek
Jan 2005 – Jan 2006 | Greater Nice Metropolitan Area


## Education
### Master's degree in Computer Science and Engineering
Université de Technologie de Compiègne (UTC)


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

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Source: https://flows.cv/sylviedonatien
JSON Resume: https://flows.cv/sylviedonatien/resume.json
Last updated: 2026-03-31