Erwann Mest
Senior Software Engineer at Sony Music Entertainment
London, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolErwann Mest is a senior software engineer with 12 years’ experience crafting front-end-first web applications and pragmatic full-stack solutions for media and enterprise clients. Based in the UK, he combines systems thinking and product-minded engineering to deliver progressive web apps, streaming players, and design systems at companies like Sony Music and The Orchard. A seasoned refactorer and JavaScript specialist, he’s contributed meaningful improvements to popular open-source projects (e.g., refactoring the bodybuilder Elasticsearch library and adding features to Raycast extensions). He also mentors and trains future tech leads, teaching Next.js, modern HTML5/CSS3, and front-end architecture to professionals and students. Comfortable across React, ElasticSearch, Python/Django and AWS, he brings a knack for turning complex front-end problems into maintainable, performance-focused code.
12 years of coding experience
14 years of employment as a software developer
DUT, Informatique, DUT, Informatique at Université de Caen Normandie
French, English
Stackoverflow
31reputation
75reached
0answers
1question
Github Skills (23)
javascript10
builder-pattern10
amazon-elasticsearch10
raycast10
typescript10
elasticsearchquery10
aws-elasticsearch10
raycasting10
typescript-types10
elasticsearch10
nodejs10
typescripts10
refactoring10
extention10
react10
Programming languages (26)
Github contributions (5)
raycast/extensions
Apr 2022 - Jan 2023
Everything you need to extend Raycast.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:16 reviews, 5 commits, 15 PRs in 9 months
Contributions summary:Erwann primarily contributed to the Raycast extensions repository, focusing on developing and enhancing various extensions. Their work involved implementing new features, such as adding a "1loc" extension to display code snippets. They also addressed existing issues by removing unnecessary markdown and refactoring the Todoist extension to allow users to specify the number of days in the Upcoming view. Furthermore, the user added support for a focus feature in the Todoist extension and added the Mozilla Firefox and uk-bank-holidays extensions.
everythingwindowsraycastlinuxneed
danpaz/bodybuilder
Aug 2021 - Aug 2021
An elasticsearch query body builder :muscle:
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 review, 22 commits, 1 PR in 3 days
Contributions summary:Erwann primarily focused on refactoring and improving the codebase, specifically the `bodybuilder` library. They updated and switched several dependencies for better performance. The changes involved migrating various utility functions, including `isEmpty`, `isArray`, `isPlainObject`, `set`, `unset`, `merge`, `includes`, `isFunction`, `has`, `last`, `isObject`, `isString`, and replacing them with their alternatives. They also updated several files, demonstrating proficiency in refactoring a complex JavaScript library.
querymusclejavascriptquerydslbody
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