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Senior Mobile Engineer (iOS) with 9+ years of experience building and maintaining mobile applications across fintech, telecom, on-demand services, and edtech. Worked with international teams across Southeast Asia, delivering products used by millions. Hands-on expertise in Swift and modern iOS development (SwiftUI, MVVM, Combine, async/await), along with CI/CD, analytics, monitoring, and AI-assisted features. Focused on reliable, scalable, user-centric software with measurable business impact.…Senior Mobile Engineer (iOS) with 9+ years of experience building and maintaining mobile applications across fintech, telecom, on-demand services, and edtech. Worked with international teams across Southeast Asia, delivering products used by millions. Hands-on expertise in Swift and modern iOS development (SwiftUI, MVVM, Combine, async/await), along with CI/CD, analytics, monitoring, and AI-assisted features. Focused on reliable, scalable, user-centric software with measurable business impact.

Sayed Mahmudul Alam

Software Engineer, App Developer, Developer, +1

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Senior Mobile Engineer (iOS) with 9+ years of experience building and maintaining mobile applications across fintech, telecom, on-demand services, and edtech. Worked with international teams across Southeast Asia, delivering products used by millions. Hands-on expertise in Swift and modern iOS development (SwiftUI, MVVM, Combine, async/await), along with CI/CD, analytics, monitoring, and AI-assisted features. Focused on reliable, scalable, user-centric software with measurable business impact.…Senior Mobile Engineer (iOS) with 9+ years of experience building and maintaining mobile applications across fintech, telecom, on-demand services, and edtech. Worked with international teams across Southeast Asia, delivering products used by millions. Hands-on expertise in Swift and modern iOS development (SwiftUI, MVVM, Combine, async/await), along with CI/CD, analytics, monitoring, and AI-assisted features. Focused on reliable, scalable, user-centric software with measurable business impact.

Available to hire

Senior Mobile Engineer (iOS) with 9+ years of experience building and maintaining mobile applications across fintech, telecom, on-demand services, and edtech. Worked with international teams across Southeast Asia, delivering products used by millions.

Hands-on expertise in Swift and modern iOS development (SwiftUI, MVVM, Combine, async/await), along with CI/CD, analytics, monitoring, and AI-assisted features. Focused on reliable, scalable, user-centric software with measurable business impact.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Work Experience

Lead iOS Engineer at Optimum Track (Telecom) [Fixed Term Contract]

December 1, 2025 - June 30, 2026

Collaborated with an iOS/Android mobile squad to deliver an LLM-based chat assistant for telecom field operations, targeting 25% faster troubleshooting resolution. Implemented a modular, scalable offline-first architecture with secure authentication and local persistence. Contributed hands-on across iOS development, built release pipelines, and set up analytics and crash reporting/monitoring tools.

iOS Lead at Xendit (Fintech: Payments & Banking)

April 1, 2025 - November 1, 2025

Worked on development and maintenance of Nex, a mobile banking super app. Contributed to a mobile banking application supporting payments, savings, and credit-related features. Enhanced fraud detection for credit card applications by integrating an AppSсan system to collect user-consented device metadata for ML-driven prediction and prevention of fraudulent attempts. Improved credit card spending and engagement via product-level installment plans and flexible repayment options. Developed a banking SDK enabling secure user identification and transactions across partner fintech apps.

Lead iOS Engineer at Grab (Super App / Service, Fintech & Consumer Tech)

March 1, 2024 - January 1, 2025

Led a team of 5 iOS engineers focused on user identity verification using MFA (PIN, biometrics, etc.). Owned end-to-end integration of WhatsApp and Viber as OTP channels, reducing dependency on SMS/voice calls and delivering monthly cost reductions of USD 50K. Prototyped an in-app localization module using ChatGPT API to remove manual localization effort. Integrated tests to reach ~60% code coverage on a core SDK, improving stability and reducing regressions. Shared knowledge through learning sessions and technical documentation; also contributed to reliability and performance improvements in app flows.

Engineering Lead, Mobile iOS at Mindvalley (EdTech / Wellness)

May 1, 2022 - March 1, 2024

Collaborated with cross-functional squads (5–10 members) across technical discovery, planning, development, and delivery. Improved user engagement by 18% through A/B testing strategies and feature flagging with a growth squad. Streamlined and decentralized the release process using trunk-based development with automated release notes, scheduled releases, and pipeline enhancements, reducing release process time by ~50%. Established modular, testable architecture using SwiftUI, async/await, and MVVM, and migrated profile and billing modules to the new architecture. Guided integration of Appium for automated UI testing, reducing dependency on third-party services and saving ~3k USD/year.

Senior iOS Developer at Mindvalley (EdTech / Wellness)

August 1, 2019 - April 1, 2022

Reduced loading time for landing and content discovery pages by ~15% by rebuilding UI, redesigning architecture, and updating legacy code. Enhanced code quality and reliability by implementing unit tests for legacy modules, achieving a 10% increase in code coverage. Optimized GraphQL queries to improve network API response time by up to 15%. Mentored team members in SwiftUI, unit testing, and technical documentation practices.

Software Engineer (iOS) at bdjobs.com

April 1, 2018 - July 1, 2019

Pioneered development of bdjobs iOS application for job searching and applications. Built a monetization system combining analytics and in-app ads that increased ad revenue by ~30%. Collaborated with backend teams to improve system architecture, reducing development time by 20%. Monitored crash tracking tools to investigate and fix bugs, maintaining a 99% crash-free rate.

iOS Developer at Bluescheme

February 1, 2017 - March 1, 2018

Developed iOS apps for insurance management and order delivery, cutting development time by 25% using an automated UI builder that generated interfaces from JSON API responses.

Junior Mobile Engineer at Inovio

June 1, 2016 - January 1, 2017

Worked on iOS app 'Akly' featuring diet planning, food recommendations, and delivery. Integrated PubNub for real-time inventory updates, resulting in an ~10% decrease in churn rate.