Hernán David Figueroa
Bogotá, Colombia · Remote · GMT-5
Senior Developer · React Native · Fintech & Secure Payments · Fullstack
Portfolio
About
Senior Developer with 7+ years of experience building production mobile and web applications, specialized in React Native, fintech and secure payments. Built a fintech mobile app from its first user to 500+ daily active users, led the development of a last-mile logistics platform operating in several Latin American cities, and implemented PCI DSS-compliant security controls (SSL pinning, integrity validation and secure AWS Lambda services) at one of Colombia's leading payment gateways. Combines clean architecture and security-first engineering with an AI-assisted spec-driven development (SDD) workflow (Claude, Codex, Kiro) that delivers 2–3x faster with 90% test coverage.
Experience
Mobile Engineer
Wompi · Fintech Payment Gateway · Colombia · Remote
Nov 2025 — Present
1 yr
- Develop and maintain Wompi's React Native app, live in production on Android, iOS and Android POS terminals, including Topwise and Ingenico devices.
- Implemented Tap to Phone contactless card acceptance on Android and iOS smartphones and completed L3 certifications for card payment acceptance.
- Implement SSL pinning, certificate transparency validation and runtime integrity checks to protect the app against MITM attacks and tampering.
- Build and secure AWS Lambda services in compliance with PCI DSS requirements for handling sensitive payment data.
- Apply an AI-assisted spec-driven development (SDD) workflow with Claude, Codex and Kiro, delivering 2–3x faster with 90% test coverage.
Senior Mobile Developer
Mento · Fintech Startup · Chile · Remote
Sep 2023 — Nov 2025
2 yrs 3 mos
- Built the React Native app from scratch, from the initial architecture to 500+ daily active users in production.
- Owned the end-to-end release pipeline, from CI/CD configuration to App Store and Google Play publishing.
- Implemented mobile security controls, including secure storage, token rotation and encrypted communication, to protect users' financial data.
Mobile Technical Lead
Bentex · Subsidiary of Logistecsa · Colombia & Ecuador · Remote
Jan 2022 — Jun 2024
2 yrs 6 mos
- Designed and built MetroDelivery, a last-mile logistics mobile platform, from the ground up: driver tracking, route assignment, delivery confirmation and real-time status updates.
- Led a 3-person mobile team, owning architecture decisions, code reviews, development standards and feature planning.
- Defined the app's data flow and offline-first strategy, allowing drivers to keep working in low-connectivity areas.
Frontend & Mobile Developer
Orbis Data · Chile · Remote
Oct 2022 — Sep 2023
1 yr
- Migrated web-based flows to React Native screens, improving load times and UX consistency across platforms.
Fullstack Developer
Koscrypt · Colombia · Remote
Dec 2020 — Feb 2022
1 yr 3 mos
- Built REST APIs and web applications with Node.js, Express and Angular.
Education
Systems Engineering
CUN — Corporación Unificada Nacional
In progress · Stackable degree program
Technical
›
Technologist
›
Engineering
Fullstack Bootcamp
Henry
Sep 2020 — Jan 2021
Languages
Spanish
Native
English
Intermediate (B1)
Publications
Certifications
Certificate in Artificial Intelligence
Certified in Cybersecurity (CC)
Secure Software Development
SOLID Principles & Clean Code
EF SET English Certificate
Tech Stack
Mobile
Backend
Security
DevOps & Delivery
Frontend
Practices
AI-Assisted Development
Personal Projects
CyberQuest — Founder
& Lead Engineer
cyber-quest-landing.vercel.app · Currently in Beta
2025 — Present
Beta
- Designed and built, as sole architect and developer, a gamified cybersecurity training platform for companies: React Native mobile app, web dashboard and AI engine.
- Implemented passwordless OTP authentication, role-based content (administrative, technical and managerial) and real-time progress analytics for enterprise clients.
- Integrated AI-generated contextual feedback and automatic certificate issuance after each training module.
- Aligned training content with ISO 27001, COBIT and OWASP frameworks to support regulatory compliance needs.
Foundry Virtual Tabletop — Open Source Contributor
foundryvtt.com · v1.15.2 ·
Published on Official Marketplace
2022 — Present
v1.15.2
- Develop and publish modules and a custom game system for Foundry VTT (200+ supported game systems) on its official marketplace, extending the platform through its JavaScript API.