# Siegfred Pagador - Senior Software Engineer
Source: https://hello.cv/siegfredpagador
Abu Dhabi

## Links
- LinkedIn | https://linkedin.com/in/siegfredpagador
- Email
- Phone

## About
Highly accomplished Senior Software Engineer with a proven track record in designing, building, and operating scalable web and mobile platforms. Expert in React, Next.js, Flutter, and cloud infrastructure, I excel at driving frontend architecture, optimizing performance, and mentoring teams to deliver high-quality, production-grade applications. My experience spans full-stack development, ensuring robust and efficient system delivery across diverse industries.

## Work
### Senior Software Engineer | M42 Health
As Senior Software Engineer, I hold primary ownership of frontend architecture and complex user-facing systems, driving technical decisions and mentoring team members.
- Drove architectural decisions and technical strategy for state management (Redux, React Query, Zustand) across critical user-facing systems, ensuring scalability and performance.
- Implemented robust frontend security best practices, including CSP and security headers, and comprehensive Jest testing frameworks, enhancing application resilience and data integrity.
- Mentored junior engineers and led initiatives to improve code quality, contributing to the delivery of scalable, production-grade applications.
- Managed complex user-facing systems, ensuring optimal performance and user experience across critical applications.
### Software Engineer | G42 Healthcare
As a Frontend-focused Software Engineer, I redesigned and rebuilt internal tools, championing best practices and leading architectural decisions.
- Redesigned and rebuilt a critical internal admin dashboard using React, Next.js, TypeScript, and Ant Design, significantly enhancing usability and maintainability for internal operations.
- Championed and enforced frontend best practices, establishing architectural standards and serving as the primary decision-maker for frontend development.
- Contributed to a significant improvement in the efficiency of internal administrative processes through robust frontend solutions.
### React / Next.js Developer | Digital Classifieds Group
Maintained and enhanced large-scale real estate platforms, focusing on new feature development, issue resolution, and improving existing web applications.
- Maintained and enhanced large-scale real estate platforms, impacting user experience for hundreds of thousands of users across Cambodia and Papua New Guinea.
- Developed new features, resolved critical issues, and improved existing web applications, leveraging React and Next.js to build robust interfaces integrated with Django-backed systems.
- Contributed to the continuous improvement of platform stability and functionality, ensuring seamless user interaction.
### Flutter Developer | Indra Group Philippines (AirAsia Project)
Contributed as a key member of the initial development team for IKHLAS - Your Companion, a mobile application for Muslim-friendly travel and lifestyle services.
- Contributed as a key member of the initial development team for IKHLAS - Your Companion, a mobile application focused on Muslim-friendly travel and lifestyle services for AirAsia/Capital A.
- Developed core features, including the Qibla Finder, utilizing device sensors to accurately determine Qibla direction, enhancing user experience for a critical app function.
### Flutter Developer (Freelance) | Digital Connections
Developed and maintained mobile applications for various clients, leading the migration of a legacy Ionic application to Flutter.
- Developed and maintained diverse mobile applications for clients, successfully delivering projects sourced through Upwork.
- Led the successful migration of a legacy, bug-prone Ionic application to Flutter, resulting in significant improvements in performance and stability.
- Resolved critical issues in existing Flutter applications and provided ongoing maintenance for Wordpress-based websites.
### Fullstack / Mobile Developer | AppsIntegra Technologies
Contributed to the development of web and mobile applications, specializing in translating UI/UX prototypes into high-quality, production-ready apps.
- Contributed to the development of robust web and mobile applications, primarily focusing on e-commerce and management systems.
- Specialized in translating complex UI/UX prototypes into high-quality, production-ready mobile applications, ensuring pixel-perfect implementation and optimal user experience.
- Provided backend development support and actively participated in peer code reviews, contributing to overall code quality and system integrity.
### Fullstack Developer / Web Administrator | Mindanao State University
Led the development and maintenance of multiple web and mobile applications supporting core academic and administrative processes.
- Led the development and maintenance of multiple web and mobile applications, streamlining core academic and administrative processes for the university.
- Successfully migrated an underperforming Apache server to Nginx and deployed a high-performance SASE web application, reliably handling over 20,000 submissions during peak intake periods.
- Enhanced the stability and performance of critical university systems, ensuring seamless operation during high-demand periods.
### Freelance Developer | Freelance Development (Self-Employed)
Initiated a freelance development career during university, delivering custom web and desktop applications tailored to diverse client requirements.
- Initiated a freelance development career during university, delivering custom web and desktop applications tailored to diverse client requirements.
- Managed the full software development lifecycle independently, from requirements gathering and system design to implementation and deployment, ensuring successful project delivery.
### Intern Web Developer | Mindanao State University
Contributed to the development, deployment, and maintenance of institutional web applications, improving accessibility and data accuracy.
- Contributed to the development, deployment, and maintenance of critical institutional web applications, serving students, faculty, and administrative staff.
- Enhanced mission-critical academic systems campus-wide, improving data accessibility and accuracy for thousands of users.

## Education
### Mindanao State University | Computer Science

## Awards
### Programmer of the Year
Mindanao State University | 2018-01-31
Recognized for exceptional programming skills and contributions during academic tenure.
### Best in Problem Solving & Analysis
Mindanao State University | 2018-01-31
Awarded for outstanding abilities in analytical thinking and effective problem-solving methodologies.

## Languages
- English

## Skills
### Programming Languages
Expert
- TypeScript
- JavaScript
- Node.js
### Frontend Frameworks & Libraries
Expert
- React
- Next.js
- Redux
- React Query
- Zustand
- Tailwind CSS
- HTML
- CSS
- React Native
### Mobile Development
Expert
- Flutter
- iOS
- Android
### Databases
Proficient
- PostgreSQL
- MySQL
### Cloud & DevOps
Proficient
- Docker
- AWS (EC2, RDS, S3, ALB, CloudFront, WAF)
- NGINX
- CI/CD (GitHub Actions, Codemagic)
- Git
### APIs & Tools
Expert
- GraphQL
- Hasura
- REST APIs
- Postman
- Jira
- Google Analytics
- Figma
### Testing & Quality Assurance
Proficient
- Jest
- Frontend Security
- CSP
- Security Headers
### Web Servers
Proficient
- NGINX
- Apache

## Source
Read this profile on Hello.cv: https://hello.cv/siegfredpagador
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