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Hi, I’m Jayzelle Yanga—a full-stack engineer who loves turning complex problems into clean, scalable web applications. Over 8+ years, I’ve designed, built, and deployed high-performance apps using React, Next.js, Angular.js, Vue.js, Node.js, and Express.js across various industries. I’ve led cross-functional teams, introduced CI/CD pipelines and automated testing, and partnered with designers and product managers to translate ideas into polished user experiences. I’m passionate about performance, accessibility, and writing robust APIs (REST/GraphQL) that scale.…Hi, I’m Jayzelle Yanga—a full-stack engineer who loves turning complex problems into clean, scalable web applications. Over 8+ years, I’ve designed, built, and deployed high-performance apps using React, Next.js, Angular.js, Vue.js, Node.js, and Express.js across various industries. I’ve led cross-functional teams, introduced CI/CD pipelines and automated testing, and partnered with designers and product managers to translate ideas into polished user experiences. I’m passionate about performance, accessibility, and writing robust APIs (REST/GraphQL) that scale.

Jayzelle Yanga

Developer, Full Stack Developer, Front-End Developer, +4

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Hi, I’m Jayzelle Yanga—a full-stack engineer who loves turning complex problems into clean, scalable web applications. Over 8+ years, I’ve designed, built, and deployed high-performance apps using React, Next.js, Angular.js, Vue.js, Node.js, and Express.js across various industries. I’ve led cross-functional teams, introduced CI/CD pipelines and automated testing, and partnered with designers and product managers to translate ideas into polished user experiences. I’m passionate about performance, accessibility, and writing robust APIs (REST/GraphQL) that scale.…Hi, I’m Jayzelle Yanga—a full-stack engineer who loves turning complex problems into clean, scalable web applications. Over 8+ years, I’ve designed, built, and deployed high-performance apps using React, Next.js, Angular.js, Vue.js, Node.js, and Express.js across various industries. I’ve led cross-functional teams, introduced CI/CD pipelines and automated testing, and partnered with designers and product managers to translate ideas into polished user experiences. I’m passionate about performance, accessibility, and writing robust APIs (REST/GraphQL) that scale.

Available to hire

Hi, I’m Jayzelle Yanga—a full-stack engineer who loves turning complex problems into clean, scalable web applications. Over 8+ years, I’ve designed, built, and deployed high-performance apps using React, Next.js, Angular.js, Vue.js, Node.js, and Express.js across various industries.

I’ve led cross-functional teams, introduced CI/CD pipelines and automated testing, and partnered with designers and product managers to translate ideas into polished user experiences. I’m passionate about performance, accessibility, and writing robust APIs (REST/GraphQL) that scale.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Tagalog

Fluent

Work Experience

Full Stack Engineer at Sigma Software Group

March 1, 2024 - October 14, 2025

Developed modern Vue.js and Angular.js applications for enterprise clients in health care and finance. Implemented responsive UI with SCSS, Bootstrap, Tailwind CSS. Collaborated with backend teams to integrate RESTful APIs and GraphQL. Improved Lighthouse performance scores from 60 to 90+ and delivered a real-time dashboard used by 500+ health care professionals daily.

Lead Front End Engineer at Synolia

August 1, 2025 - October 14, 2025

Architected and delivered Next.js and Node.js solutions for enterprise-scale e-commerce and SaaS platforms. Led a team of 5 developers; introduced code review processes, CI/CD pipelines, and automated testing; reduced release bugs by 30%. Migrated legacy stacks to modern React/Next.js, improving performance and scalability; delivered real-time dashboards used by stakeholders.

Front End Developer at Blueflame Labs

March 1, 2022 - October 14, 2025

Built Angular.js and vanilla JavaScript applications for SMEs in retail and education. Created reusable UI components; conducted cross-browser testing; optimized mobile responsiveness. Reduced front-end defects by 20% through automated Jest tests. Developed a custom CMS to publish frontend content efficiently.

Front End Developer at Cody Web Development Inc

April 1, 2018 - October 14, 2025

Developed basic HTML, CSS, and JavaScript features for client websites. Assisted senior developers in debugging, testing, and maintaining web applications. Contributed to the launch of 10+ client websites within tight deadlines. Built interactive JavaScript components to improve user engagement on e-commerce sites.

Senior Frontend Engineer at Sigma Software Group

August 1, 2025 - October 14, 2025

Led a 5-member frontend team, implemented code review processes, CI/CD pipelines, and automated testing, reducing release bugs by 30%. Designed and optimized REST/GraphQL APIs to improve data performance and reduce server response time. Collaborated with designers to translate Figma prototypes into pixel-perfect, responsive UIs using React and Tailwind CSS. Spearheaded migration of a legacy Angular app to React + Next.js, cutting page load times by 40%. Implemented scalable multi-tenant architectures supporting 50K+ concurrent users.

Frontend Developer at Leo TechnoSoft

March 1, 2024 - October 14, 2025

Built and maintained React and Node.js applications; integrated third-party APIs and payment gateways. Developed reusable Vue.js and Angular.js components for multi-client projects. Enhanced backend services with Express.js and optimized MySQL and MongoDB queries for improved scalability. Coordinated with cross-functional teams to ensure smooth deployments on AWS and Vercel. Reduced deployment time by 50% through Docker-based containerization. Delivered a real-time dashboard used by 500+ health-care professionals daily.

Web Developer at Cody Web Development Inc

April 30, 2018 - October 14, 2025

Developed basic HTML, CSS, and JavaScript features for client websites. Assisted senior developers in debugging, testing, and maintaining web applications. Gained foundational experience with version control (Git) and Agile practices. Contributed to the launch of 10+ client websites with tight deadlines. Built first interactive JavaScript components, improving customer engagement on e-commerce sites.

Frontend Developer at Blueflame Labs

March 1, 2022 - October 14, 2025

Built Angular.js and vanilla JavaScript applications for SMEs in retail and education. Created reusable UI components and collaborated with designers to deliver a seamless UX. Conducted cross-browser testing and optimized pages for mobile responsiveness. Implemented automated Jest tests and reduced frontend defects by 20%.

Front End Developer at Cody Web Development Inc

April 1, 2018 - October 21, 2025

Developed basic HTML, CSS, and JavaScript features for client websites. Assisted senior developers debugging, testing, and maintaining web applications. Gained foundational experience with version control (Git) and Agile development practices. Contributed to the launch of 10+ client websites within tight deadlines.

Front End Developer at Cody Web Development Inc

June 1, 2020 - October 21, 2025

Developed first interactive JavaScript components, improving customer engagement on e-commerce sites. Built reusable UI components and implemented accessibility and responsive design. Gained experience with Git, testing and Agile development practices.

Front End Developer at Blueflame Labs

March 1, 2022 - October 21, 2025

Built Angular.js and vanilla JavaScript applications for SMEs in retail and education. Created reusable UI components and implemented responsive UIs with HTML/CSS, plus cross‑browser testing to ensure consistency.

Full Stack Developer at Leo Tech

March 1, 2024 - October 21, 2025

Built and maintained React and Node.js applications, integrating third-party APIs and payment gateways. Developed reusable Vue.js and Angular.js components for multi-client projects. Led migration of a legacy Angular app to React + Next.js, improving page load times and enabling growth to 50K+ concurrent users. Improved data performance and reduced server response time by 25%.

Full Stack Engineer at Synolia

August 1, 2025 - October 21, 2025

Architected and delivered Next.js and Node.js solutions for enterprise-scale e-commerce and SaaS platforms. Led a team of 5 developers, introducing code review processes, CI/CD pipelines, and automated testing that reduced release bugs by 30%. Designed and optimized REST/GraphQL APIs to improve data performance and reduce server response times by 25%. Migrated legacy Angular apps to React + Next.js to cut page load times by 40%.