David Jarque
Software Engineer at Freelance
Barcelona, Catalonia, Spain
Summary
🤩
Rockstar🎓
Top SchoolDavid Jarque is a versatile software engineer with 11 years of experience building full-stack web and backend systems, from high-performance frontend optimizations to secure, observable APIs. Based in Barcelona, he has led product engineering at startups and health-tech firms, drove major reliability improvements (e.g., cutting wallet sync errors from 69% to 6%), and helped ship a product later licensed for a €1M clinical trial. A longtime systems admin and crypto/DLT consultant, he pairs practical ops experience with cryptography and secure-systems interests, and has contributed to notable open-source projects including documentation upkeep for the Angular CLI and feature work on dependency-analysis tooling. As a freelancer he created an endorsed SEO metadata library and engineered portfolio performance to 95%+ Core Web Vitals, reflecting his focus on measurable user impact and pragmatic, detail-oriented solutions.
11 years of coding experience
7 years of employment as a software developer
Grado en Ingeniería Ingeniería informática, Grado en Ingeniería Ingeniería informática at Universitat Autònoma de BarcelonaUOC (Universitat Oberta de Catalunya)
English, Spanish, Catalan
Stackoverflow
593reputation
284kreached
7answers
2questions
Github Skills (23)
javascript10
dependency-analysis10
typescript10
angular-cli10
typescript-types10
typescripts10
documentation10
angular10
cli10
testing9
cypress9
k9
linter8
html6
macos6
Programming languages (24)
Github contributions (5)
webpro-nl/knip
Nov 2024 - Jul 2025
✂️ Find unused files, dependencies and exports in your JavaScript and TypeScript projects. Knip it before you ship it!
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:8 reviews, 13 PRs, 13 comments in 7 months
Contributions summary:David primarily contributed to the project by enhancing its support for various technologies and configurations. They focused on integrating Angular-related functionalities, tracking and incorporating options for Angular and Cypress plugins. Moreover, they added a Karma plugin and configuration, demonstrating their ability to enhance the project's capabilities within the context of different JavaScript frameworks. These contributions suggest a strong understanding of dependency management and build configurations.
javascripttypescriptdependency-analysislintmaintenance
angular/angular-cli
Apr 2020 - Nov 2024
CLI tool for Angular
Role in this project:Technical Writer
Technical WriterContributions:1 review, 2 PRs, 5 comments in 4 years 7 months
Contributions summary:David primarily contributed by updating links and references within the documentation for the Angular CLI. They focused on updating links from the "aio" domain to the "adev" domain, reflecting changes in the Angular ecosystem's documentation structure. Their work involved modifications to files related to documentation, build processes, and deployment guides, ensuring users are directed to the correct resources. This indicates a key role in maintaining the accuracy and accessibility of the Angular CLI's documentation.
angularcliangular-clitypescript
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