Joey Serquina
@joeyserquina
Accomplished iOS engineer and team lead delivering scalable mobile solutions.
What I'm looking for
I am an accomplished iOS engineer and team lead with over 12 years of experience in mobile app development, full-stack engineering, backend infrastructure, and IT leadership. I specialize in Swift, SwiftUI, Objective-C, Xcode, and have published multiple apps to the App Store while optimizing systems with AWS and Serverless frameworks.
I have led cross-functional teams, implemented CI/CD pipelines (Fastlane, Bitrise), integrated Firebase services, and improved deployment and uptime metrics through automation and rigorous QA. My backend experience includes Laravel Lumen, RESTful APIs, and scalable architectures handling high daily request volumes.
I hold a BS in Computer Engineering (Cum Laude) and combine technical depth with practical IT administration, network management, and Agile delivery to produce high-impact user experiences and reliable operational systems.
Experience
Work history, roles, and key accomplishments
Mobile iOS Engineer
ZigZag Offshoring
Mar 2020 - Aug 2025 (5 years 5 months)
Optimized and maintained iOS codebases, integrated Firebase suite and CI/CD pipelines to reduce deployment issues by 40% and accelerate build/release cycles by 50%, and published multiple apps to the App Store while ensuring 99% uptime.
Team Lead / Senior iOS Developer
Pixsell Creatives Inc.
Oct 2018 - Jan 2020 (1 year 3 months)
Led 5+ cross-functional teams to deliver 10+ apps on time, built scalable backend infrastructure (AWS, Laravel Lumen) handling 100K+ daily requests, and reduced IT downtime to under 5% through proactive administration and network management.
Senior iOS Developer
Pixsell Creatives Inc.
Sep 2017 - Sep 2018 (1 year)
Developed and deployed rapid-prototype iOS apps that secured new clients, delivering specialized solutions including booking systems, Bluetooth/Beacon integrations, and event ticketing under tight deadlines.
iOS Developer (Full-Stack)
Akatek Solutions Inc.
Apr 2017 - Sep 2017 (5 months)
Built end-to-end mobile apps integrating iOS frontends with Laravel Lumen backends, developed RESTful APIs for real-time data sync, and delivered features per Jira sprint requirements.
Education
Degrees, certifications, and relevant coursework
STI College – Santa Rosa
Bachelor of Science in Computer Engineering, Computer Engineering
Grade: Cum Laude
Activities and societies: Athletic awardee for leadership and teamwork in sports programs
Completed Bachelor of Science in Computer Engineering, graduated Cum Laude in 2012 with recognition for athletic leadership.
Availability
Location
Authorized to work in
Job categories
Skills
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