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Alejandro
Angular · Node.js · API integrations · Performance optimization · Available for freelance work
Spain
Joined on Jul 3, 2026
https://www.upwork.com/freelancers/~01793f51342c18adc6?viewMode=1
Pronouns
he/him
Work
Senior Software Engineer at Técnicas Reunidas
More info about @alejandrodeveloper
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Skills/Languages
Angular, API, Laravel, Node.js, PHP, javaScript, TypeScript
Currently hacking on
Currently working on scalable web apps, API integrations, Angular performance optimization and backend architecture
Available for
Available for freelance web development, API integrations, Angular optimization, backend architecture and debugging complex production issues
15 posts published
1 comment written
9 tags followed
Part 6: When Your Angular Frontend and API Stop Agreeing
Alejandro
Alejandro
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Jul 30
Part 6: When Your Angular Frontend and API Stop Agreeing
# angular
# typescript
# webdev
# api
1 reaction
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6 min read
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Part 5: The Angular subscrition Problems That Only Appear in Production
Alejandro
Alejandro
Alejandro
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Jul 30
Part 5: The Angular subscrition Problems That Only Appear in Production
# angular
# webdev
# frontend
# rxjs
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6 min read
Part 4: When an Angular Component Becomes Too Large to Maintain
Alejandro
Alejandro
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Jul 30
Part 4: When an Angular Component Becomes Too Large to Maintain
# angular
# architecture
# frontend
# softwareengineering
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7 min read
Part 3: The Angular Change Detection Mistakes That Make Large Apps Feel Slow
Alejandro
Alejandro
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Jul 29
Part 3: The Angular Change Detection Mistakes That Make Large Apps Feel Slow
# angular
# webdev
# javascript
# performance
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8 min read
Part 2: Angular Bundle Size Is Only One Part of Performance
Alejandro
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Jul 20
Part 2: Angular Bundle Size Is Only One Part of Performance
# angular
# webdev
# javascript
# performance
2 reactions
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9 min read
Part 1: Why Angular Applications Get Slower as They Grow
Alejandro
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Jul 16
Part 1: Why Angular Applications Get Slower as They Grow
# angular
# webdev
# javascript
# performance
1 reaction
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9 min read
Part 5: Stop Using Effects for State Resets
Alejandro
Alejandro
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Jul 16
Part 5: Stop Using Effects for State Resets
# react
# javascript
# webdev
# programming
2 reactions
2 comments
7 min read
Part 4: Event handlers are usually the better place for side effect
Alejandro
Alejandro
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Jul 16
Part 4: Event handlers are usually the better place for side effect
# webdev
# frontend
# react
# coding
Add Comment
6 min read
Part 3: Stop Syncing Props Into State
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Jul 15
Part 3: Stop Syncing Props Into State
# webdev
# react
# frontend
# coding
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7 min read
Part 2: Stop Fetching Data Inside useEffect (what modern React apps do instead)
Alejandro
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Jul 15
Part 2: Stop Fetching Data Inside useEffect (what modern React apps do instead)
# react
# webdev
# javascript
# frontend
Add Comment
5 min read
Part 1: Why I Rarely Use useEffect Anymore (and what I use instead)
Alejandro
Alejandro
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Jul 15
Part 1: Why I Rarely Use useEffect Anymore (and what I use instead)
# react
# javascript
# webdev
# frontend
1 reaction
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4 min read
Angular performance optimization: change detection mistakes you should avoid
Alejandro
Alejandro
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Jul 3
Angular performance optimization: change detection mistakes you should avoid
# angular
# performance
# frontend
# development
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1 min read
How to optimize Angular bundle size for faster load times
Alejandro
Alejandro
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Jul 3
How to optimize Angular bundle size for faster load times
# angular
# performance
# webdev
# frontend
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1 min read
Why API integrations break when your app scales
Alejandro
Alejandro
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Jul 3
Why API integrations break when your app scales
# webdev
# api
# backend
# performance
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1 min read
Building reliable API integrations in modern web application
Alejandro
Alejandro
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Jul 3
Building reliable API integrations in modern web application
# webdev
# api
# backend
# architecture
1 reaction
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1 min read
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- Skip to content [direct]
- Powered by Algolia [direct]
- Log in [direct]
- Create account [direct]
- https://www.upwork.com/freelancers/~01793f51342c18adc6?viewMode=1 [direct]
- Part 6: When Your Angular Frontend and API Stop Agreeing [direct]
- # angular [direct]
- # typescript [direct]
- # webdev [direct]
- # api [direct]
- Create Account [direct]
- Sign in [direct]
- Part 5: The Angular subscrition Problems That Only Appear in Production [direct]
- # frontend [direct]
- # rxjs [direct]
- Part 4: When an Angular Component Becomes Too Large to Maintain [direct]
- # architecture [direct]
- # softwareengineering [direct]
- Part 3: The Angular Change Detection Mistakes That Make Large Apps Feel Slow [direct]
- # javascript [direct]
- # performance [direct]
- Part 2: Angular Bundle Size Is Only One Part of Performance [direct]
- Part 1: Why Angular Applications Get Slower as They Grow [direct]
- Part 5: Stop Using Effects for State Resets [direct]
- # react [direct]
- # programming [direct]
- Part 4: Event handlers are usually the better place for side effect [direct]
- # coding [direct]
- Part 3: Stop Syncing Props Into State [direct]
- Part 2: Stop Fetching Data Inside useEffect (what modern React apps do instead) [direct]
- Part 1: Why I Rarely Use useEffect Anymore (and what I use instead) [direct]
- Angular performance optimization: change detection mistakes you should avoid [direct]
- # development [direct]
- How to optimize Angular bundle size for faster load times [direct]
- Why API integrations break when your app scales [direct]
- # backend [direct]
- Building reliable API integrations in modern web application [direct]
- DEV Community [direct]
- DEV Challenges [direct]
- DEV++ [direct]
- Videos [direct]
- DEV Education Tracks [direct]
- DEV Help [direct]
- Advertise on DEV [direct]
- Organization Accounts [direct]
- DEV Showcase [direct]
- About [direct]
- Contact [direct]
- Free Postgres Database [direct]
- DEV Shop [direct]
- MLH [direct]
- Code of Conduct [direct]
- Privacy Policy [direct]
- Terms of Use [direct]
- Forem [direct]
- open source [direct]
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