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4.9

(17 reviews)

carlosandresa7

@carlosandresa7

4.9

5.6

100%

✋Scalable solutions engineered for impact

$30 USD / Hour

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Colombia (1:14 AM)

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Joined on December 1, 2025

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1 Recommendation

$30 USD / Hour

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I am a Full-Stack Developer with many years of experience building scalable web and mobile applications for startups, businesses. I specialize in designing and developing end-to-end solutions, from frontend user interfaces to backend APIs, databases, and cloud deployment. My goal is simple: deliver reliable, scalable, and high-performance software that helps businesses grow.

Upgrade Mac Recipe App for Silicon

I refuse to believe there is a better programmer now working for Freelancer. Carlos is quick, intelligent, responsive, dedicated, focused on details, honest and patient.

Mark

@markb017

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July 2026

Verifications

On time

100%

On budget

100%

Accept rate

74%

Repeat hire rate

11%

See all PHP Developers in Colombia

Portfolio

I designed a complete, modern UI/UX concept for an enterprise-grade mobile identity verification SDK for iOS and Android.

The design presents the full identity verification process, including:

* Real-time facial detection and active liveness verification
* Guided blink and head-movement challenges to prevent spoofing
* Passport, national ID, residence card, and driver’s license scanning
* OCR, MRZ, and 2D barcode data extraction
* Front and back document capture
* Facial comparison between the user and the identity document
* Age and gender estimation
* Identity correlation and verification results
* Success, failure, loading, and validation states
* SDK initialization and native integration examples for Swift, Objective-C, Kotlin, and Java

I created a dark, professional enterprise design system using modern typography, clear visual hierarchy, biometric scanning indicators, security-focused iconography, progress animations, and high-contrast action buttons.

The final concept also i

Enterprise Mobile Identity Verificat

Buying eyewear

AI-powered quiz app

zkEVM fast network finality with frequent validity proofs ensuring near instant transactions suitable for payments.
Transform your vbUSDT yield into any crypto you want. Set your preference once and receive your chosen tokens automatically every Friday.

Evolutionary NFT Blockchain

Since 2019, tofuNFT has proudly served as the first multichain NFT marketplace, connecting creators and collectors across more than 30 EVM-compatible blockchains. Together, we've witnessed incredible innovation—from the rise of GameFi to the NFT boom of 2021. As we close the doors of tofuNFT.com, we want to express our deepest gratitude to our vibrant community of users, artists, and developers. Your creativity and support have shaped our legacy and fueled everything we've accomplished.

tofuNFT marketplace site

Breathe Safety Services

Enterprise Mobile Identity Verificat

Buying eyewear

AI-powered quiz app

Evolutionary NFT Blockchain

tofuNFT marketplace site

Breathe Safety Services

4.9 · 17 Reviews

17 Reviews

Elegant Candle Showcase Website

Professional,patient,and attentive to every detail. communication was excellent throughout the entire process. i highly recommend your service. thanks sylvia

+3 more

I employed Carlos to build me a wine cellar app/spreadsheet. He was professional, patient and most of all very competent. The end product is superb, and I would not hesitate to ask Carlos to help me again.

+1 more

Application tri CSV ébénisterie -- 2

J'avais déjà travailler avec lui auparavant et encore une fois je ne suis pas déçu. Il est professionnel et comprend bien les besoins. Je le recommande a 110%.

+5 more

Application tri CSV ébénisterie

Il a été très professionnel et a bien compris mes attentes. Il a fait un travail remarquable. Je travaillerai avec lui prochainement sans hésitation. je le recommande

+5 more

Upgrade Mac Recipe App for Silicon

I refuse to believe there is a better programmer now working for Freelancer. Carlos is quick, intelligent, responsive, dedicated, focused on details, honest and patient.