Gabriel Concepcion
Senior Full Stack Developer / Forward Deployed Engineer ?Forward Deployed Engineer (FDE): A technical specialist who embeds directly with client teams to rapidly build, customize, and deploy software or AI solutions, bridging the gap between core product engineering and real-world deployment.
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In the age of AI, the edge isn't who builds first, it's who builds it right. Your business deserves more than a vibe-coded website.
About Me
Professional Summary
Results-driven Senior Full Stack Developer with 18+ years of progressive experience building scalable web applications and leading high-performing development teams. Proven track record of optimizing system performance (reduced report generation from 40 minutes to 5 minutes), architecting microservices handling 562+ transactions per minute, and delivering complex projects under tight deadlines. Expertise in modern JavaScript frameworks, cloud-native solutions, and team leadership with a passion for mentoring junior developers and staying current with emerging technologies. Recently built AI-assisted developer workflows using Claude, Devin, OpenRouter, and AssemblyAI — automating documentation, code generation, debugging, testing, and prompt engineering. Integrated AI APIs into internal tooling to accelerate delivery and reduce manual effort across the development lifecycle.
Projects
Professional Experience
CMSQuared Tech Inc. (PCHC) | Frontend Developer
Jan 2024 - Present
- Smart Debit Portal PCHC: Built the Smart Debit UI portal using React 18, handling member, biller, mandate, access, collections, and reporting modules
- Implemented RBAC-protected dashboard navigation and actions with React Context and permission checks
- Styled the app with Tailwind CSS and developed reusable layouts and components
- CICS (Cheque Image Clearing System): Owned and built the CICS portal in React for viewing incoming/outgoing ICL files, transaction status filtering, pagination, and bank/currency/work-type filters
- Contributed to the serverless upload and ICL transaction pipeline (AWS Lambda/Step Functions, TypeScript, MongoDB) — implemented file ingestion and ICL item validation logic, fixed settlement/totals/reporting issues
- Tech Stack: React, React Router, Tailwind CSS, REST APIs, RBAC, AWS Lambda, Step Functions, TypeScript, MongoDB
Pickup Coffee | Senior Full Stack Developer
Jan 2023 - 2024
- Designed and developed four core microservices (Cards, Wallet, Voucher, and Stamps) supporting a loyalty platform serving 200,000+ daily active users
- Architected scalable REST APIs and API Gateway integrations for mobile applications, barista tablets, and internal services
- Built a reporting dashboard and Progressive Web Application (PWA) to improve operational visibility and reporting
- Implemented QR code-based loyalty and rewards features to enhance customer engagement
- Collaborated with product managers, designers, QA engineers, and mobile developers in an Agile development environment
- Contributed to system architecture decisions focused on scalability, maintainability, and performance
- Tech Stack: React.js, Node.js, Express.js, TypeScript, Kubernetes, PostgreSQL, MySQL, Redis, AWS
XSwap Philippines | Lead Full Stack Developer
Sept 2020 - Dec 2022
- Engineered high-performance wallet backend processing 562+ transactions per minute using NodeJS & Redis caching strategies
- Led cross-functional team of 4 (2 developers, 2 QAs) in successful migration from monolithic Laravel architecture to 5 independent microservices
- Integrated multiple payment gateways (Dragonpay, Xendit) and developed crypto Bitcoin cash-in service
- Implemented robust CI/CD pipelines using GitHub Actions and AWS Serverless, reducing deployment time from 2 hours to 15 minutes
- Tech Stack: NodeJS, ReactJS, AWS (Lambda, API Gateway, DynamoDB, EC2), Redis, PostgreSQL, MySQL
Appsolutely Inc. | Senior Full Stack Developer
Aug 2017 - Sept 2020
- Delivered MVP White-label E-Commerce platform in 2 weeks using ReactJS
- Architected cryptocurrency trading platform using Laravel & VueJS with real-time data processing and secure transaction handling
- Led migration of large-scale e-commerce mobile app to responsive web platform using ReactJS & NodeJS
- Optimized complex database queries and implemented caching strategies, reducing report generation time from 40 minutes to 5 minutes (87.5% improvement)
- Tech Stack: Laravel, VueJS, ReactJS, NodeJS, MySQL, GraphQL, Redis, AWS, Netlify
Forward Solutions | Full Stack Developer
Feb 2014 - Aug 2017
- Developed enterprise-level management systems for multiple government agencies, serving 10,000+ end users
- Led development team of 6 (3 developers, 3 QAs) in building HRIS, electronic voting systems, and gift platform applications
- Implemented advanced SQL optimization techniques, achieving 80%+ improvement in report generation performance across all systems
- Tech Stack: CodeIgniter, Laravel, VueJS, AngularJS, Amazon Web Services (AWS)
Gameloft | PHP Tools Programmer
May 2010 - Feb 2014
- Maintained and enhanced critical Project Management System
- Managed Device Management System
- Implemented automated reporting features
- Tech Stack: PHP, Zend Framework 2, Git, YUI JavaScript Library
Via-Phone Telecommunication Co. | PHP Programmer
Jun 2007 - May 2010
- Developed comprehensive Calls Management System tracking order history, callbacks, and agent performance metrics
- Built and deployed 15+ e-commerce franchise websites for medicine resellers, increasing online sales channels
- Created automated reporting system that improved management visibility into call center operations
- Tech Stack: PHP (CodeIgniter), MySQL