Abdiel Orellana
Software Engineer & Tech Lead
Mobile Architecture & Full Stack Systems
Software Engineer & Mobile Architect with 4+ years leading technical teams and designing end-to-end production platforms. Specialist in React Native (CLI & Expo EAS), distributed backends with NestJS, modern web with Nuxt & Angular, and DDD / Hexagonal Architecture with AI-native workflows.
Work Experience
Software Engineer & Tech Lead
Dec 2025 - PresentIndependent Consultant
- Leading a multidisciplinary team of 6 developers on a complex SaaS platform, owning architecture decisions, sprint planning, and technical delivery across all layers.
- Designing and implementing scalable backend services using NestJS with Hexagonal Architecture and DDD principles, ensuring long-term maintainability and performance.
- Building high-performance frontend solutions using React and Angular (SSR/CSR), with advanced state management and optimization strategies.
- Leveraging AI-native development workflows through Claude Code, Codex, and Gemini CLI with optimized token strategies, applying Spec-Driven Development (SDD) and AI security best practices.
- Developing high-performance web solutions using Nuxt (SSR/SSG), significantly improving data security and server efficiency through advanced cache management.
React Native Engineer
Sep 2024 - Jan 2026Tangram Consulting
- Developed and maintained cross-platform mobile applications using React Native (CLI and Expo) for iOS and Android, serving 5,000+ active users per app across European markets.
- Automated mobile build and release processes using Expo EAS, reducing deployment time to app stores by 40% and local build times by 30% while eliminating version conflicts.
- Provided technical leadership and architectural solutions for new applications, unblocking developers and resolving high-priority production issues to ensure stability and timely delivery.
- Designed and implemented REST APIs with WebSocket support for real-time features, managing complex UI flows, payment system integrations, and native module bridging.
- Built and maintained CI/CD pipelines using GitHub Actions to enforce strict linting rules, automated testing, and continuous code validation for React Native and Expo projects.
Full Stack Software Engineer
Jan 2024 - Dec 2025Racquets AppSuite LLC
- Led the technical definition and development of a cross-platform mobile platform supporting 10,000+ users globally, implementing international payment gateways and multi-language support (11 languages).
- Built scalable RESTful APIs using Node.js and managed Google Cloud Platform services (Firestore, Maps, Auth, Analytics), maintaining 99.9% system availability during rapid user growth.
- Designed and implemented scalable application architecture, optimizing database queries and improving response times by 40% through performance tuning and indexing strategies.
- Automated CI/CD pipelines using GitHub Actions for testing, code validation, and zero-downtime deployments across multiple environments, ensuring continuous delivery reliability.
- Implemented complex features including online payment systems, real-time notifications, and advanced scheduling mechanisms for sports management functionality.
Full Stack Software Developer
Sep 2021 - Sep 2024Independent Consultant
- Delivered 15+ end-to-end full stack solutions for international clients, translating requirements into production-ready mobile, web, and backend systems.
- Developed React Native applications with offline-first capabilities, native iOS (SwiftUI/UIKit), and native Android (Kotlin) implementations with seamless native module bridging.
- Built responsive web applications using React, Angular, Vue.js, and Nuxt (SSR/SSG/ISG) with advanced state management (Redux Toolkit, Zustand) and PWA capabilities.
- Designed and implemented scalable backend services using Node.js, NestJS, and Express, exposing REST and GraphQL APIs with comprehensive documentation and testing.
- Architected CI/CD pipelines using GitHub Actions for automated testing, linting, secure database migrations, and deployments across AWS, GCP, Heroku, and Railway.
- Managed PostgreSQL, MySQL, MongoDB, Firestore, and Redis databases, implementing automated backup pipelines and data reliability strategies.
- Containerized applications using Docker and orchestrated deployments across multiple cloud providers, maintaining production stability and performance.
Full Stack Software Developer
Aug 2022 - Feb 2023tuGerente
- Led the mobile development team, overseeing end-to-end development and deployment of iOS and Android applications for ERP/Inventory management systems.
- Enforced development standards and collaborated on backend architecture and strategy, ensuring quality and timely delivery of core features.
- Managed Google Cloud Platform services for authentication and data persistence using Firestore, while utilizing AWS (S3, EC2) for scalable storage and compute resources.
- Contributed technical insights to optimize development processes and improve team efficiency.
Frontend Developer
Nov 2021 - Feb 2022Canned Head
- Specialized in React frontend development, translating UI/UX designs into responsive, pixel-perfect web applications.
- Collaborated closely with backend teams to integrate frontend components with REST APIs, ensuring seamless data flow and user experience.
- Produced clear and maintainable code documentation to support long-term scalability and team collaboration.
Featured Projects
Racquets App
Comprehensive sports management ecosystem for racquetball, pickleball, and padel communities with tournament management and coaching platform.
WhoopTrip
Adventure tour booking platform with integrated payments, itinerary management, and real-time group coordination.
ManyMore
Group buying marketplace leveraging volume-based dynamic pricing to deliver progressive discounts to consumers.
Daypass
Travel booking application with advanced service customization and dynamic pricing based on user preferences.
ToqueApp
Social discovery and dating platform connecting users based on common interests and real-time geolocation.
Enjoy Loyalty
Customer loyalty and rewards platform with tiered membership levels and point-based redemption system.
Puntos del Sol
Retail loyalty platform for Grupo del Sol network enabling point accumulation and prize redemption across merchant partners.
Virbac Club
Pet nutrition loyalty program for pet owners, rewarding purchases of premium pet food with redeemable points.
Sib Cochabamba
Digital directory and promotional guide for local businesses, enabling search by category, location, and real-time offers.
Conduce Ya
Gamified traffic safety education platform with exam simulators, achievements, and offline learning capabilities.
Digall
Enterprise ERP system for construction material distribution with role-based access, inventory, and analytics.
Open Source & NPM Packages
Developer tools, utilities, and specification suites published on the npm registry.
spec-suite-skill
MIT LicenseTechnical specifications and legal compliance suite for AI agents
calendar-calculate
MIT LicenseA simple function retrieves dates within a specified range that fall on specific weekdays.
is-email-demo
ISC Licenseuna simple e inutils funcion de saludar
Articles & Publications
Technical guides, deep dives, and architecture patterns shared on Dev.to.
Spec Suite: Putting an End to Hallucinated AI Documentation
Why I Built Spec Suite: Putting an End to Hallucinated AI Documentation Let's be honest about the...
Configure Cloudflare Email Routing with Gmail to Send and Receive Mails
Configure Cloudflare Email Routing Open: https://dash.cloudflare.com and go to Email →...
Ready to start your next project?
I'm currently available for freelance work and open to full-time opportunities. If you're interested in working together, please don't hesitate to get in touch.
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