I'm a Senior Mobile Engineer with 10+ years of experience architecting and scaling mobile platforms serving 500K+ users across fintech, banking, and social sectors. I lead cross-functional teams of 20+ engineers, transform legacy codebases into production-grade systems, and implement CI/CD automation that dramatically reduces build times. I specialize in Flutter, Kotlin, and Swift, with deep experience in native SDK development, team leadership, and mentoring high-performing engineering organizations. I enjoy building robust mobile solutions, driving collaboration across product and design, and mentoring engineers to grow their skills and deliver high-impact outcomes. I’m passionate about AI-assisted development, code quality, and scalable architectures that enable rapid delivery without compromising stability.…

Sabin Ranabhat

I'm a Senior Mobile Engineer with 10+ years of experience architecting and scaling mobile platforms serving 500K+ users across fintech, banking, and social sectors. I lead cross-functional teams of 20+ engineers, transform legacy codebases into production-grade systems, and implement CI/CD automation that dramatically reduces build times. I specialize in Flutter, Kotlin, and Swift, with deep experience in native SDK development, team leadership, and mentoring high-performing engineering organizations. I enjoy building robust mobile solutions, driving collaboration across product and design, and mentoring engineers to grow their skills and deliver high-impact outcomes. I’m passionate about AI-assisted development, code quality, and scalable architectures that enable rapid delivery without compromising stability.…

Available to hire

I’m a Senior Mobile Engineer with 10+ years of experience architecting and scaling mobile platforms serving 500K+ users across fintech, banking, and social sectors. I lead cross-functional teams of 20+ engineers, transform legacy codebases into production-grade systems, and implement CI/CD automation that dramatically reduces build times. I specialize in Flutter, Kotlin, and Swift, with deep experience in native SDK development, team leadership, and mentoring high-performing engineering organizations.

I enjoy building robust mobile solutions, driving collaboration across product and design, and mentoring engineers to grow their skills and deliver high-impact outcomes. I’m passionate about AI-assisted development, code quality, and scalable architectures that enable rapid delivery without compromising stability.

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Skills

Experience Level

Flutter
Expert
Android
Expert
Dart
Expert
Kotlin
Expert
Swift
Expert
iOS
Expert
API
Expert
Leadership
Expert
Java
Expert
GitHub Copilot
Expert
GitHub
Expert
App Design
Expert
GraphQL
Expert
React Native
Expert
Docker
Intermediate
bash
Intermediate
UI
Intermediate
Kubernetes
Intermediate
JavaScript
Intermediate
React JS
Intermediate
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Language

English
Fluent
Nepali
Fluent
Hindi
Advanced

Work Experience

Freelance Mobile Developer & Technical Consultant at Self-Employed (Kathmandu, Nepal)
February 1, 2026 - Present
Delivering mobile development engagements across native Android (Kotlin), iOS (Swift), and Flutter platforms. Providing architectural guidance and hands-on delivery for client projects. Integrated AI-assisted development tools (Cursor, GitHub Copilot, Claude) into daily workflows, reducing implementation time on standard feature tasks by ~30%. Open-source contributions: published three Flutter packages on pub.dev (timelines_plus, wallpaper_manager_plus, screensaver).
Senior Flutter Engineer / Lead at Uno Technology
October 1, 2025 - February 1, 2026
Led technical direction for a 6-engineer Flutter team and collaborated with a 15-engineer mobile organization, delivering 5 live Flutter applications. Architected 2 Flutter applications from scratch within the first week using Clean Architecture; standardized architecture across 3 inherited codebases, dramatically reducing technical debt and accelerating feature velocity. Eliminated wrong-flavor release incidents by implementing interactive flavor selection scripts across 6+ variants; introduced Git hooks for conventional commits and automated lint checks; leveraged AI-assisted tooling to speed implementation, debugging, and documentation. Delivered all apps to production on schedule.
Flutter Engineer / Full-Stack Mobile Developer at Bottle Technology
February 1, 2025 - October 1, 2025
Developed in-house Flutter application for custom hardware with NFC and WebSocket capabilities for restaurant and hotel ordering systems. Engineered a native NFC detector for seamless card reading and payment integration. Built a real-time battery status streaming plugin. Implemented BLoC for complex multi-step ordering and real-time tracking. Applied AI-assisted development to accelerate native interop debugging and plugin prototyping. Integrated KOT (Kitchen Order Ticket) and BOT (Bar Order Ticket) automated printing, reducing order processing time. Maintained and enhanced KYC SDK used by IME Group across fintech products; built production-ready KYC SDKs for Android and iOS.
Senior Mobile Engineer / Mobile Team Lead at Code Himalaya
August 1, 2021 - February 1, 2025
Led cross-platform mobile teams (15+ Flutter, 5+ Android, 3+ iOS) delivering 14+ production applications serving 500K+ users. Architected and scaled MoFinTech white-labeled platform for 104 financial cooperatives with per-client customization. Implemented CI/CD pipelines (GitHub Actions, Codemagic) reducing build and deployment time from 500 minutes to 30 minutes per release, enabling rapid deployment of 30+ app variants across six Core Banking Systems. Eliminated release incidents via automated Git hooks enforcing conventional commits and interactive flavor scripts; promoted AI-assisted development and code review across mobile teams to improve debugging, refactoring, and velocity. Led 8-month React Native to Flutter migration for BiheNepal (100K+ downloads) achieving 75% app size reduction and delivering five new features. Completed a complete codebase revamp of Earntra from legacy spaghetti code to Clean Architecture in 20 days with one more developer; delivered eSewa Events SDK ena
Mobile Developer at Nepali Coders (Remote)
July 1, 2020 - June 1, 2021
Developed and shipped two native mobile apps for US-based clients across Android and iOS; maintained and enhanced three existing production applications, ensuring stability, performance, and timely delivery of client requirements.
Freelance Developer & Mentor at Self-Employed
March 1, 2019 - July 1, 2020
Developed and delivered e-commerce and ride-sharing mobile applications for various clients across Android, iOS, and early Flutter projects; managed full lifecycle independently. Integrated Firebase Crashlytics and performance monitoring tools for production observability. Provided technical consulting and custom development services to local businesses. Taught Flutter and Native Android to bachelor's students, establishing curriculum and mentoring final-year projects.
Mobile Developer at DreamSys IT Solution
December 1, 2016 - March 1, 2019
Developed Android (Kotlin, Java) and iOS (Swift) applications across multiple client projects. Built SurveyChan, an offline survey application leveraging Android SyncProvider API for automatic data synchronization when internet connectivity restored. Collaborated with QA and support teams to diagnose and resolve production issues, maintaining high application stability.
Freelance Mobile Developer & Technical Consultant at Self-Employed
February 1, 2026 - Present
Delivered mobile development engagements across native Android (Kotlin), iOS (Swift), and Flutter; provided technical consulting and architecture guidance for mobile projects. Integrated AI-assisted development tools to accelerate feature delivery by ~30%. Open-source contributions include publishing 3 Flutter packages on pub.dev (timelines_plus, wallpaper_manager_plus, screensaver).
Mobile Developer at Nepali Coders
July 1, 2020 - June 1, 2021
Shipped 2 native Android (Kotlin) and iOS (Swift) apps for US-based clients; maintained and enhanced 3 existing production apps; collaborated with clients across the full lifecycle from requirements to deployment and post-launch support.

Education

Bachelor of Computer Science at University of the People
September 1, 2021 - January 1, 2024
B.Sc. in Computer Science at University of the People
January 11, 2030 - January 1, 2024
B.Sc. in Computer Science at University of the People
September 1, 2021 - January 1, 2024

Qualifications

Flutter Development
January 11, 2030 - May 1, 2026
Java Programming
January 11, 2030 - May 1, 2026
AWS AI Practitioner Challenge
January 11, 2030 - May 1, 2026

Industry Experience

Software & Internet, Financial Services, Media & Entertainment, Professional Services, Retail
    uniE621 MoFinTech
    At MoFinTech, we craft innovative, integrated software solutions, Mobile Banking platforms, and services to cater to Banking and Financial Institutions across the globe, taking care of their domain-specific challenges and fast-paced industry trends.…
    uniE621 Earntra: Sell Loans & Cards
    Earntra is a mobile app by Raaj Khosla & Co PVT LTD (MyMoneyMantra) for selling credit cards and loans digitally. It's India's largest phygital financial marketplace, suitable for experienced salespeople and newcomers alike. Users can submit applications, track leads, and earn commissions. The app offers partnerships with major banks and financial institutions, providing free online training for certification.It allows users to start their own business quickly, with potential for high earnings.…
    uniE621 MyMoneyMantra
    Mymoneymantra loan app is one of the best personal loan, instant personal loan, small personal loan, student personal loan, online loan, quick personal loan app in India. It helps users provide fast approval and quick disbursals.…
    uniE621 Empowered Man
    Empowered Man Method is a coaching and lead-generation website for Toni Versic's Empowered Man Movement, built to help men improve their marriage, family life, business, and personal leadership through clear funnels and conversion-focused content.…
    uniE621 BiheNepal
    BiheNepal is a modern matchmaking app for Nepali singles, featuring secure verification and innovative matching methods including AI-based Kundali matching and blind-date mode.…
    uniE621 Divine
    Divine is a spiritual app aimed at fostering positivity in users' daily lives. It provides daily quotes from Jagadguru Shri Kripalu Ji Maharaj and includes a 24/7 divine radio feature.…