John Alfred Reyes
Senior Full Stack Developer
I'm a passionate full stack developer with over 6 years of experience building robust, scalable, and user-friendly full stack web applications. I specialize in modern JavaScript frameworks, cloud architecture, and delivering exceptional user experiences.

About Me
I’m a dedicated Full Stack Developer with over six years of hands-on experience designing and delivering robust, scalable web applications. Specializing in modern JavaScript frameworks such as React and Node.js, I build intuitive interfaces and solid back-end services that meet both user needs and business goals. My expertise in cloud architectures—across AWS allows me to architect solutions that are resilient, secure, and cost-effective.
Passionate about turning complex challenges into elegant solutions, I thrive in collaborative environments where I can partner with cross-functional teams to drive innovation from concept to production. I’m committed to continuous learning, always exploring new tools and best practices to enhance performance, maintainability, and user experience.
Name
John Alfred Reyes
alfred@alfreddev.com / john.alfredrys@gmail.com
Location
Metro Manila, Philippines
Degree
BS Information Technology
Experience
6+ Years
Freelance
Available
Skills
React
Next.js
Nuxt.js
JavaScript
TypeScript
HTML/CSS
Tailwind CSS
Redux
Work Experience
Sr. Full Stack Engineer
Unicty International
Taguig City, Philippines - Hybrid
Developed a distributor tool that to help distributors manage and grow their business and organization. Streamlined and improve processes through automation and AI.
Key Responsibilities:
- Pioneered an AI translation automation & deployment pipeline, cutting process time from 3 days to under 5 minutes.
- Developed a referral-link feature that boosted customer sales by 30%.
- Led performance optimizations, improving page load speeds by 80%.
- Streamlined the deployment process for new markets reducing the total time from 3 hours to around 10 minutes.
- Responsible for improving our product's translation layers enabling us to serve multiple markets with different languages serving 98% accurate translated values.
Software Engineer
Cognization Softvision
Makati City, Philippines - Hybrid
Co-led and agile team that developed an auditing assurance system for one of US's largest auditing companies. The system is used to streamline and automate the auditing process of the company.
Key Responsibilities:
- Co-led an Agile team to build an auditing-assurance platform for enterprise clients that streamlines auditing processes and increased their revenue by 20%.
- Architected and optimized production critical ETL and suggestion services written in Node.js and Transact- SQL reducing total execution time by 15%.
- Designed a data heavy analytics page and optimized the page performance by 15%.
Full Stack Engineer
Locale Europe LTD (Through Cloud Employee Inc. * Lay-off)
Greater London, UK - Remote (From Philippines)
Responsible for developing an SaaS platform that helps companies manage and order translations for their products.
Key Responsibilities:
- Led the end-to-end integration of new partner systems into our core platform, cutting manual onboarding effort by 95% and accelerating time-to-live from 2 weeks to 3 days.
- Designed and deployed external microservices using Node.js, AWS and Lambda, optimizing API response times by 40% and reducing infrastructure costs by 20%.
- Integrated 3rd party APIs—automating sync of over 2,000 records/day and reducing data-mismatch errors by 90%.
- Developed a new Contentful powered website that drove a 20% lift in monthly traffic and slashed full-stack deployment time by 30%.
Software Engineer
Yondu Inc
Taguig City, Philippines - Remote
Led an agile team that developed a digital credential application powered by blockchain technology that enables users to store and verify real-world credentials.
Key Responsibilities:
- Spearheaded a blockchain‑based digital credential project that allowed users to seamlessly save their IDs over our application and use it as a true identifiable copy.
- Developed an NFT market place using React.js to promote the partnerships of our clients and increased their annual revenue by 12%.
Web Developer
Cafe24 Philippines
Pasig City, Philippines
Part of an internal team that develops internal applications for business growth and analytics.
Key Responsibilities:
- Built an internal data-visualization app with advanced filters across 10+ dimensions, enabling stakeholders to generate custom reports 40% faster.
- Developed services using Node.js, Typescript, Python, MySQL and GraphQL for a customer targeting system that served 100k+ customers across Korea.
Projects
Explore some of my recent web development projects. Each project showcases different technologies and problem-solving approaches.

Homeqube
AI and blockchain powered platform that allows users to bid and build homes thru gamification.

Denamiq
Denamiq is a digital marketing outsourcing partner that connects global businesses with highly skilled, English-fluent Filipino marketing professionals.

NorthStar CRM
NorthStar CRM is a CRM system used by one of the leading and trusted destination services in the USA to manage their clients and orders.
Testimonials
"I worked with Alfred for about half a year, but I would say that he is one of the great people that I've worked with. He consistently delivers value to the project with high quality and is always up to the challenge. He shows good qualities of a senior developer and is always supporting the team to be able to deliver value."
Ricardo Calingan
Project Lead, Cognizant Softvision
"I worked with Alfred on a React development project for 2 years and would highly recommend working with him as a senior developer. Alfred has extensive technical skills and a broad background of technologies. As a senior developer I relied on him heavily to assist in the refinements and review of pull requests to ensure the code kept our standards and was well written. Alfred is an exceptional communicator and is very friendly. I hope our paths cross again soon."
Jenna Stone
Program Dev Lead, Cognizant
"Alfred is a very hardworking and extremely talented software engineer. I've worked with him in one of our blockchain project. He is very good with software development, in fact, he was hired as a junior developer but take full control of the development as a senior one. It was a pleasure working with him."
Marvin Wenceslao
Business Analysy/Senior Scrum Master, Yondu Inc
"John Alfred is one of the best Fullstack Engineer that I worked with. He has shown tremendous technical skills and has a very strong leadership quality in which he became a Scrum Master in a difficult Blockchain project. Alfred also has been in close collaboration with the COO and Directors of a major Philippine Telco company where he has been admired and respected. If I were to get or recommend a Fullstack engineer, it would be John Alfred in the top of my list."
Leo Flores
Project Manager, Yondu Inc
"I've worked with Alfred for almost my entire career. I've seen him excel at both front-end and back-end aspects of web development. He demonstrated excellent technical and soft skills, earning him the position of Team Lead on our previous company. I have no hesitation in recommending Alfred, he will be an asset to any organization."
Erniemar Caluag
Senior Front End Engineer, Siteminder
"Alfred, I have been very happy with your work. You have shown quick understanding of our needs and I like your designs and efficiency on the UI to make things better for our processes."
Lynda Gaughan
Executive Vice President, Go Destination Services
Contact Me
Get In Touch
Have a project in mind or want to discuss potential opportunities? Feel free to reach out. I'm open to freelance work, full-time positions, or just connecting with fellow developers.