Mark Francis Saldivar
@markfrancissaldivar
I build scalable web and cross-platform mobile applications with React, React Native, Node.js, and TypeScript.
PhilippinesWhat I'm looking for
I've built scalable web and mobile applications for Intelliseven, RareCircles, and a US-based healthcare client, using React.js, React Native, Node.js, GraphQL, and TypeScript.
At RareCircles, I developed real-time ticketing, web chat, and live chat systems with React.js, Node.js, Socket.io, and TypeScript. I also integrated Zapier automation workflows and improved responsiveness and performance for customer support platforms.
At Intelliseven, I lead development of HRIS and legal management mobile applications using React Native and Expo, delivering cross-platform Android and iOS solutions. Previously, I built GraphQL APIs, Facebook Messenger integrations, and WebRTC video and audio features for real-time collaboration tools.
My background also includes API validation and integration testing for GCash payment systems at Mynt. I work effectively with remote, distributed teams in agile environments and focus on maintainable frontend and backend architecture.
Experience
Work history, roles, and key accomplishments
Senior Software Developer
Intelliseven Software Development Services
Jun 2025 - Present (1 year 2 months)
Led development of HRIS and legal management mobile applications using React Native and Expo. Built scalable cross-platform mobile solutions for Android and iOS platforms.
Senior Frontend Developer
RareCircles
Jun 2024 - Jun 2025 (1 year)
Developed real-time ticketing, web chat, and live chat systems using React.js, Node.js, Socket.io, and TypeScript. Integrated third-party automation workflows using Zapier APIs.
Senior Software Developer
Ehrlich IT Services Inc.
Apr 2022 - Jul 2024 (2 years 3 months)
Developed and maintained web and mobile applications for a US-based healthcare client using React.js and React Native. Built scalable frontend features and API-driven functionalities using TypeScript, REST APIs, and GraphQL.
Web Developer
Intelliseven Software Development Services
Jan 2021 - Mar 2022 (1 year 2 months)
Integrated Facebook Messenger APIs into a real-time customer chat platform using Node.js and GraphQL. Built WebRTC-powered video and audio communication features for internal collaboration tools.
Software Quality Assurance Analyst
Mynt (Globe Fintech Innovations, Inc.)
Sep 2019 - Jan 2021 (1 year 4 months)
Performed API validation and integration testing for GCash payment systems. Collaborated with fintech partners to validate transaction workflows and payment integrations.
Education
Degrees, certifications, and relevant coursework
Camarines Sur Polytechnic Colleges
Bachelor of Science, Information Technology
2015 - 2019
Pursued a Bachelor of Science in Information Technology, focusing on software development and information systems.
Availability
Location
PhilippinesAuthorized to work in
Job categories
Skills
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