John Arnold Villafania
Senior Software EngineerCavite, Philippines+63 9954805447johnarnoldvillafania@gmail.com
Profile
Senior Software Engineer with 10+ years of experience delivering scalable web applications and financial platforms for international clients. Skilled in full-stack development using JavaScript (React, Vue), PHP (Laravel), and Relational Databases, with expertise in API integrations, multi-tenant systems, and SaaS solutions. Proven success in leading end-to-end feature delivery — from architecting notification systems and data integrations handling thousands of transactions, to enhancing security through advanced role-based permissions. Experienced in mentoring engineers, maintaining code quality, and driving successful product launches in fast-paced, client-driven environments.
Career Snapshot
Skills
Experience
Vokke
Senior Software Engineer
- Architected an event-driven notification pipeline across 3 Laravel microservices and a React frontend client, leveraging WebSocket channels to deliver low-latency real-time alerts.
- Engineered multi-tenant isolation and RBAC security across backend APIs and frontend route guards, enabling seamless workspace switching and enterprise compliance.
- Built end-to-end financial data pipelines, integrating third-party REST APIs with React visualization dashboards to automate monthly transaction validations.
- Spearheaded full-stack technical direction (Laravel/React) for a roadmap-critical fintech platform, executing architecture decisions that drove market launch in Australia.
- Established full-stack design patterns and code review workflows, mentoring 3 frontend engineers to elevate code quality, enforce state management standards, and increase release velocity.
College of the Marshall Islands
Web and Database Administrator
- Engineered full-stack administrative platforms using PHP, Laravel, Vue, and React, automating institutional data collection and reporting for over 1,000 active students and staff.
- Spearheaded database modernization, executing an end-to-end migration from legacy MySQL databases to improve query performance, data integrity, and system reliability.
- Architected automated data integration pipelines to extract and synthesize metrics from third-party SaaS platforms, fulfilling audit requirements and enabling data-driven leadership decisions.
- Managed Oracle Cloud Infrastructure (OCI), orchestrating the migration of legacy on-premises servers to cloud environments to improve uptime and reduce operational overhead.
- Drove enterprise software adoption across campus operations by establishing technical documentation, leading system training sessions, and collaborating with administrative stakeholders.
Governance Commission for GOCCs
Information Technology Officer I
- Developed modular, maintainable PHP backends and responsive user interfaces, delivering core features for government portal applications.
- Collaborated on technical scoping, testing, and deployments, delivering software updates across multi-stakeholder systems while ensuring feature stability.
- Participated in code reviews and QA processes, enforcing coding standards and drafting documentation to streamline platform onboarding for end-users.
Amadeus Marketing Philippines
Software Development Support
- Built core features for enterprise C# applications, collaborating with development teams to implement client requirements and maintain application stability.
- Designed and deployed a digital visitor logging tool in C#, automating manual front-office workflows and replacing paper-based record keeping.
Entertainment Gateway Group
Junior Software Engineer
- Engineered backend services for an enterprise web application using Java, Spring Boot, and Hibernate ORM, implementing relational data access and core business logic.
Education
Jose Rizal University
Bachelor of Science in Computer Engineering