Harold Peña
Full Stack Software Engineer • Web Developer • Algorithmic Trader
I build fast, secure, minimal, and elegant products end-to-end.
I specialize in Next.js, TypeScript, Go, Rust, Supabase, and MUI to ship modular SaaS, real-time dashboards, and high-traffic apps. My work spans Rust backends and Go microservices, trading systems, and DevOps with a focus on performance, DX, and scalable architecture.
- 2023-2025
Full Stack Software Engineer — Gajda Corp, Lahuta Consulting
Architected and delivered full-stack apps with Next.js, TypeScript, Supabase, Go, Rust, MUI, Vercel, and Docker. Built secure auth, modular CMS-driven dashboards and landing pages, and optimized database/API workflows for scalability and performance.
- 2019-2023
Freelance Full Stack Software Engineer & Algorithmic Trader
Delivered contract MVPs for e-commerce, CMS, and business prototypes. Built trading scripts and performed financial data analysis with Python and PineScript on TradingView.
- 2017-2019
Full Stack Software Engineer, Investment Manager, Manager of Domestic Relations — Ampera Technologies LLC.
Built and maintained company and project sites with marketing/branding. Negotiated client contracts and managed accounting data for portfolio operations.
- 2016-2020
United States Air Force
GoodForDI website admin for 4000+ members; Programming & Robotics Club lead; Cyber Competition Team; Wing IT Service Engineers Team; USAFA Spark Innovation lead; Squadron IT NCOIC.
- 2023
Hack Reactor
Certificate in Advanced Software Engineering Immersive Program
- 2016-2020
United States Air Force Academy
Double Major in Computer Science & Cyber Science
- 2015-2016
New Mexico Military Institute
Falcon Foundation Scholar
Awards
- 2019
2nd Place — Air Force Spark Tank Innovation Competition
Pitched a secure, veteran-operated ridesharing platform for military bases to improve relocation logistics, safety, and employment opportunities across the Air Force network.
Portfolio
Magi Signals
Engineered a trading signals platform with a high-performance Rust backend, Go microservice components, and Interactive Brokers API integration. Delivered a feature-rich dashboard for managing, viewing, and analyzing trading data, supporting subscription-tiered access. Conducted performance testing with Loader.io and Artillery to ensure scalability and stability.
DOT Expert
Built a Department of Transportation compliance service website with an interactive dashboard powered by the USDOT API. Enabled users to search carriers by USDOT number and access data on safety ratings, insurance, and inspections. Included service ordering, blog, and contact form for complete business functionality.
Openborder
Developed a high-speed Shopify product data scraper with Go-based concurrent workers and Rust for heavy data parsing. Implemented rate limiting, batching, and fault-tolerant retries for API compliance. Conducted distributed load testing using k6, Artillery, and Loader.io to ensure production-grade reliability and throughput.
Du-All Cleaning
Created a municipal cleaning service website with a professional landing page, job listing and application system, customer reviews, and contact form, enabling better lead capture and recruitment workflows.
Contact Me
Let's build something great together
Whether you have an idea, project, or just want to say hi, feel free to reach out. I am always open to discussing new opportunities and collaborations.