Résumé

Arvin Kent Lazaga

Full-Stack Software Engineer · AI-Assisted Development · Web, Mobile & Backend

AI-Native Adaptive Full-Stack Software Engineer with 10+ years building and shipping production web, mobile, and backend systems. I adapt fast across stacks, languages, and existing codebases, and build AI-natively with Claude Code and OpenAI Codex through structured workflows for planning, implementation, review, testing, and release — AI accelerates the work, while engineering judgment, review, and testing keep the product reliable.

Download PDF résuméView case studies

Updated June 2026 · 2-page PDF · Selectable text

Available for new projectsSnapshot
Focus
Adaptive full-stack — web, mobile, backend
Method
Claude Code · OpenAI Codex
Experience
10+ years in production
Live on Google Play
Balyria
Based in
Cebu, Philippines · Remote

Core stack

TypeScript · NestJS · .NET Core · Next.js · React · React Native · PostgreSQL · Python

Download PDF résumé
GitHubLinkedIn

Career highlights

Proof, not just a list of skills

Shipped a live product, solo

Designed, built, and shipped Balyria end to end — a production personal-finance app live on Google Play (React Native, offline-first).

Built a B2B platform's backend

Main backend developer on Trove Gifting — built a multi-tenant B2B commerce backend from scratch, including Stripe, Shopify, and Xero integrations.

Top Rated freelancer

Earned Top Rated status on Upwork with a 100% Job Success score across international client projects.

10+ years, many stacks

A decade-plus delivering production software across web, mobile, and backend, adapting quickly to new stacks and codebases.

Technical skills

The stacks I build, ship, and adapt to

Languages

  • TypeScript
  • JavaScript
  • Python
  • C#
  • SQL

Frontend

  • React
  • Next.js
  • HTML
  • CSS
  • Tailwind CSS
  • Responsive UI

Mobile

  • React Native
  • Expo (Expo Router)
  • Offline-first

Backend

  • NestJS
  • Node.js
  • .NET Core / ASP.NET Core
  • REST APIs
  • Auth
  • Queues & workers

Databases & Data

  • PostgreSQL
  • MongoDB
  • SQLite
  • MySQL
  • Data modeling
  • Data workflows

Integrations

  • Stripe
  • Shopify
  • Xero
  • REST APIs
  • Webhooks

AI-Assisted Engineering

  • Claude Code
  • OpenAI Codex
  • AI-assisted planning
  • Code review
  • Testing support
  • Documentation

Cloud & DevOps

  • Docker
  • AWS (SQS)
  • DigitalOcean
  • Nginx
  • GitHub Actions
  • CI/CD

Automation

  • n8n
  • Python automation
  • UiPath (RPA)

Practices

  • Architecture
  • Code review
  • Testing
  • Release planning
  • Performance
  • Accessibility
  • Security
  • Agile

Experience

A decade of shipping, end to end

  1. Software Engineer

    Mar 2020 – Present

    Arcanys· Remote · Cebu City, PhilippinesCurrent

    • Build production web and backend features across client products using TypeScript, React/Next.js, NestJS/Node.js, and ASP.NET Core, turning Figma designs into responsive, production-ready interfaces with cross-functional Agile teams.
    • Main backend developer on Trove Gifting, a multi-tenant B2B corporate gifting platform — built the backend from scratch: vendor-scoped operations, payment/commerce/accounting integrations (Stripe, Shopify, Xero), background processing on AWS, and multi-recipient order fulfillment.
    • One of the full-stack developers on Brickbro — a real-estate marketplace and a commercial property-analysis platform, both built from scratch — delivering property search and map-based discovery, backend data services, evaluation logic, and reporting dashboards.
    • Ship inside established codebases following existing patterns, keeping production stable while delivering new features.
    NestJSTypeScriptNext.jsPythonPostgreSQLMongoDBStripe

  2. Robotic Process Automation (RPA) Developer

    Jul 2020 – Aug 2022

    Neostella· Remote · Milwaukee, WI, USA

    • Built and maintained RPA solutions with UiPath and .NET, automating document-driven business workflows from process design documents and process maps.
    • Engineered resilient exception handling to keep automations reliable in production, and collaborated on development, testing, documentation (Confluence), and QA/support.
    UiPath.NETAutomation

  3. Software Developer & IT Support

    May 2018 – Feb 2020

    Ateneo de Zamboanga University· Zamboanga City, Philippines

    • Developed and maintained the university's main website and an internal IT loan web application using React, Node.js/Express, Angular 7, PHP, and WordPress.
    • Converted mockups into responsive, mobile-friendly interfaces (HTML, CSS, JavaScript, AJAX, JSON) and supported day-to-day systems for staff.
    ReactNode.jsPHP

  4. Top Rated Software Developer (Freelance)

    May 2014 – Oct 2015

    Upwork· Remote

    • Earned Top Rated status with a 100% Job Success score, delivering and supporting web applications for international clients using .NET Core and JavaScript.
    • Owned projects end to end with strong client communication and on-time delivery.
    Top Rated100% Job Success

  5. Earlier Web Development Roles

    2013 – 2018

    Various organizations

    • Additional web-development engagements building sites and web apps with PHP (Laravel, CodeIgniter), JavaScript, and MySQL.

Selected projects

Products I own and ship

Balyria — Personal Finance App

Android · Live on Google Play

  • Designed, built, and shipped a production personal-finance app end to end, solo — tracking bills, loans, debts, installments, income, and expenses, and forecasting what's safe to spend before payday.
  • Offline-first and privacy-first: financial records stored on-device, with no remote database or account required.
  • Built with a disciplined AI-assisted workflow (Claude Code, OpenAI Codex) — planning, review, and testing on every change.
React NativeExpo RouterSQLiteMMKVOffline-firstRevenueCat
View details

Portfolio & Engineering Site

arvinkentlazaga.dev

  • SEO-focused, performance- and accessibility-conscious portfolio with structured metadata (JSON-LD) and an end-to-end Playwright test suite.
  • Zero-downtime Docker deployment to a self-managed VPS (DigitalOcean, Nginx, GitHub Actions CI/CD).
Next.jsReactTypeScriptTailwind CSSDocker
View details

Background

Education & certifications

Education

Bachelor of Science in Information Technology

Western Mindanao State University

Zamboanga City, Philippines · 2010 – 2015

Certifications

  • AWS Certified Solutions Architect – Associate2023
  • UiPath Certified Advanced RPA Developer2021
  • UiPath Automation Pro I, II & III2022

Ready to start?

Download the résumé, or tell me about your project and I'll reply within 1–2 business days.

Download PDF résuméStart a project