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Senior Full Stack Engineer with 15+ years of experience designing and shipping web applications, SaaS platforms, and data-driven systems. Proven expertise across the React ecosystem, Node.js, PostgreSQL, and integrating AI services to solve complex operational challenges. Adept at rapid MVP development and translating business requirements into scalable architectures—delivering reliable, high-performance software while keeping compliance, security, and “human-in-the-loop” workflows in mind.…Senior Full Stack Engineer with 15+ years of experience designing and shipping web applications, SaaS platforms, and data-driven systems. Proven expertise across the React ecosystem, Node.js, PostgreSQL, and integrating AI services to solve complex operational challenges. Adept at rapid MVP development and translating business requirements into scalable architectures—delivering reliable, high-performance software while keeping compliance, security, and “human-in-the-loop” workflows in mind.

Ivy Joy Centeno

Full Stack Developer, Software Engineer, Web Developer, +2

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Senior Full Stack Engineer with 15+ years of experience designing and shipping web applications, SaaS platforms, and data-driven systems. Proven expertise across the React ecosystem, Node.js, PostgreSQL, and integrating AI services to solve complex operational challenges. Adept at rapid MVP development and translating business requirements into scalable architectures—delivering reliable, high-performance software while keeping compliance, security, and “human-in-the-loop” workflows in mind.…Senior Full Stack Engineer with 15+ years of experience designing and shipping web applications, SaaS platforms, and data-driven systems. Proven expertise across the React ecosystem, Node.js, PostgreSQL, and integrating AI services to solve complex operational challenges. Adept at rapid MVP development and translating business requirements into scalable architectures—delivering reliable, high-performance software while keeping compliance, security, and “human-in-the-loop” workflows in mind.

Available to hire

Senior Full Stack Engineer with 15+ years of experience designing and shipping web applications, SaaS platforms, and data-driven systems. Proven expertise across the React ecosystem, Node.js, PostgreSQL, and integrating AI services to solve complex operational challenges.

Adept at rapid MVP development and translating business requirements into scalable architectures—delivering reliable, high-performance software while keeping compliance, security, and “human-in-the-loop” workflows in mind.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Work Experience

Technical Consultant / Application Developer at MV Finance Corp (formerly GAMC), Philippines

August 1, 2024 - December 1, 2025

Built a Node.js middleware service using the Claude API to automatically extract unstructured financial data into structured JSON, reducing manual data entry while providing a “human-in-the-loop” UI for staff verification. Architected secure, scalable outbound-only API routing for internal automation tools with strict compliance to financial data privacy requirements. Translated complex business requirements into technical roadmaps and scalable designs to support the transition from a specialized lending firm into a multi-service financial corporation. Developed custom financial BI and reporting dashboards, improving operational workflows and aligning IT infrastructure with business KPIs.

Application Developer at Emapta Versatile Services Inc., Pampanga, Philippines

August 1, 2022 - August 1, 2024

Engineered and refactored software applications using Vue.js (Vue3 Composition API), Node.js, GraphQL, and PostgreSQL within an Agile environment. Designed and implemented the overall UI/UX for a new software system, collaborating via Figma for wireframing and prototyping. Maintained application servers and automated end-to-end testing using Selenium, Ruby, and Vitest.

Lead Developer at Codingchiefs Philippines Inc., Pampanga, Philippines

August 1, 2020 - August 1, 2021

Led development of a multi-tenant billing application using ReactJS, React-Redux, NodeJS, and MySQL. Refactored 50% of application components using SOLID principles, resolving asynchronous function mishandling and state management issues. Revamped legacy system architecture by implementing new technologies that simplified maintenance and improved overall application efficiency by 60%. Implemented a shift-left testing approach, creating wireframes and mock-ups to validate UI/UX early in the development process.

Senior Full Stack Developer at Beepo Inc., Pampanga, Philippines

October 1, 2017 - October 1, 2019

Developed dynamic user interfaces using Angular, React, and Node.js, reducing UI iteration effort by 70%. Contributed to database design and query optimization for PostgreSQL, ensuring high performance for BI tools. Integrated third-party APIs and managed data synchronization between Salesforce and primary application databases.

Senior Developer & Previous Roles at Various companies (Site Skills Training, DSDC, Auction.PH)

May 1, 2008 - May 1, 2016

Progressed from Web Programmer to Senior Developer over 8 years, building foundational expertise in multi-tenant portals, database administration, and web application development using Java, PHP, and MySQL.