David Rey
Software Engineer at Knack
Madrid, Community of Madrid, Spain
Summary
👤
Senior🎓
Top SchoolDavid Rey is a senior software engineer with 13 years of distributed, remote-first experience building scalable full-stack systems and leading technical migrations across startups and enterprise products. He specializes in Node.js, TypeScript, PostgreSQL, message queues, Docker, and modern React stacks, and has shipped large features like Knack’s Flows integration and a 70% cost reduction for map features through a multi-provider strategy. A strong advocate of Domain Driven Design, Outside-In TDD, Clean Architecture and continuous delivery, he combines hands-on implementation with coaching and async-friendly technical leadership. David’s background spans high-throughput data platforms, blockchain-attached storage, and fintech/e-commerce integrations, showing an ability to deliver both product-focused UX improvements and resilient backend architectures. Known for a "permanent beta" mindset, he thrives in cross-functional teams that value trust, clarity, and incremental delivery.
13 years of coding experience
15 years of employment as a software developer
Self learnerAssociate Degree in Computer Science, Associate Degree in Computer Science at Instituto Plaiaundi
French, English, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (44)
crypto10
drive10
decentralization10
cryptocurrency10
blockchain10
ghost9
p2p9
deprecated9
backend8
state-machine8
linux8
nodejs8
testing7
session-store6
atomic6
Programming languages (7)
Github contributions (5)
dreyacosta/somewhere.js
May 2014 - Jan 2016
Small in-memory database for Node.js that persists on disk
Contributions:55 commits, 2 PRs, 1 push in 1 year 9 months
in-memory-databasenodejs
dreyacosta/micro.js
Apr 2014 - Jan 2015
Contributions:78 commits, 1 push, 1 tag in 8 months
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