Oliver James Aco

Oliver James Aco.

Web Developer & Frontend Specialist

Developer from the Philippines with over +7 years of experience in the IT industry. I build high-quality, user-focused web applications using modern technologies and best practices.

Specialized In

UI/UX Design

Crafting clean, intuitive interfaces that delight users. From wireframes to polished components with a focus on accessibility and great user experience.

Application Development

Building full-stack web applications with React, Next.js, and Node.js. Performant, scalable solutions deployed on modern cloud infrastructure.

Web Development

End-to-end web development from architecture to deployment. Responsive, cross-browser compatible sites built with modern frameworks and best practices.

Work Experience

Senior Web Developer(ReactJS/NextJS)

WBridges Manpower Corporation

Feb 2024 - Oct 2024

Engineered and scaled multiple production web applications with Next.js, TypeScript, and React-Redux, supporting international audiences via Next-intl. Streamlined deployments using Jenkins CI/CD and Docker on AWS EC2, reducing manual release overhead. Coordinated feature delivery and bug resolution through Confluence, Zentao, and Trello while maintaining clear communication with offshore clients across distributed teams.

ReactTypeScriptNext.jsReduxSassZodVideoJSLodashNodeJSDockerGitlabJenkinsAWSWordpress

Frontend Developer

NewStars Inc,

Jun 2023 - Feb 2024

Built and maintained production-grade web applications with a modern stack — Next.js, TypeScript, Zustand for state management, Zod for schema validation, and React Hook Form for performant form handling — alongside Node.js for backend development. Delivered multilingual support via Next-intl and integrated third-party services using Axios and Lodash. Additionally developed a WordPress/Elementor blog site, demonstrating versatility across different tech ecosystems. Supported offshore clients effectively and upheld high code quality standards throughout all projects.

NextJSTypescriptZustandSassBEMAxiosI18nWordpress

Software Engineering Analysis / Advanced App Engineering Senior Analyst

Accenture in the Philippines

Aug 2021 - Apr 2023

Drove quality assurance efforts by writing comprehensive test scenarios and functions from Salesforce user stories, reducing regression risks and improving release confidence. Managed the full defect lifecycle — from logging detailed Jira tickets to investigating and resolving customer-reported issues in ServiceNow — ensuring minimal disruption to end users. Supported offshore clients with a strong track record of on-time ticket resolution while adhering to Agile methodologies, contributing to predictable and reliable sprint outcomes.

ReactReduxGithubOkta AdministrationZuoraServiceNowGraphqlTypescriptStyled-componentsSalesforce LightningAWS

Web Developer

Xytron International Inc,

Apr 2018 - Apr 2021

Delivered full-cycle web development across multiple projects — from building bulk email-sending applications and designing bank SOA email templates, to coding complete websites in HTML, CSS, JavaScript, PHP, and jQuery. Expanded the team's technical footprint by developing a VB.NET utility desktop application, demonstrating versatility across web and desktop environments. Sustained and enhanced a live web forum application through consistent maintenance and iterative feature additions, while overseeing database management to ensure stable and performant data operations.

HTMLCSSPHPJQueryJavascriptCodeIgniterBootstrapMysqlXAMPP

Testimonials

Oliver is one of those rare people you can always count on. Whether it's a big project or a last-minute idea at midnight, he shows up — thoughtful, prepared, and somehow already three steps ahead. What impresses me most is how he combines that reliability with genuine creativity. He doesn't just get things done, he finds a better way to do them. Working alongside him, you quickly realize that his ideas aren't just clever — they actually work. Anyone lucky enough to have Oliver in their corner knows exactly what I mean.

Mark Angelo Barnatcha profile

Mark Angelo Barnatcha

Sr. Software Engineer, Accenture Inc,

We are so thankful to have Oliver on our team. I can always count on him to come to me and talk about any challenges or concerns right away. He delivers clean, well-thought code and is an excellent communicator.

Alfie Bangcong profile

Alfie Bangcong

Graphic Designer, Pacific Rim

I am grateful to have a friend like Oliver, He is not only great friend, but also he's highly experience in Frontend design. His skills is impressive, and he has been valuable mentor to me. Through his guidance, I've developed interest in creating engaging, and beautiful designs using ReactJS. I sincerely appreciate his guidance and encouragement.

Melwin Sabales profile

Melwin Sabales

ReactJS Developer, Stratpoint Technologies Inc,

Education & Skills

Education

2013 – 2017

Bachelor of Science

Information Technology

Pamantasan ng Lungsod ng Marikina

2024 - 2025

Zero To Mastery Academy

Full-Stack Web Development

Online Academy

Technical Skills

React / Next.js92%
CSS / Sass90%
TypeScript88%
Redux / Zustand82%
Node.js75%
Docker / AWS / CI-CD72%

Got a Project in Mind?

I'd love to hear from you. Send me a message and I'll get back to you.