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I’m a Senior React Native developer and mobile systems architect with 15 years of software engineering experience, including 9 years focused on high-performance, cross-platform mobile ecosystems. I work across Expo and React Native CLI (bare workflow), and I’m comfortable bridging to custom native modules using Swift/SwiftUI to deliver smooth performance, reliable offline behavior, and scalable real-time experiences. I’ve led teams and operated at CTO/team-lead level, building automation around enterprise-grade CI/CD (Fastlane, pipelines) and delivering mission-critical fintech features where transaction accuracy matters. From real-time competitive gaming and live deal synchronization to secure clinic payments and omnichannel support platforms, I enjoy designing clean architectures, mentoring engineers, and shipping products that perform well on both iOS and Android.…I’m a Senior React Native developer and mobile systems architect with 15 years of software engineering experience, including 9 years focused on high-performance, cross-platform mobile ecosystems. I work across Expo and React Native CLI (bare workflow), and I’m comfortable bridging to custom native modules using Swift/SwiftUI to deliver smooth performance, reliable offline behavior, and scalable real-time experiences. I’ve led teams and operated at CTO/team-lead level, building automation around enterprise-grade CI/CD (Fastlane, pipelines) and delivering mission-critical fintech features where transaction accuracy matters. From real-time competitive gaming and live deal synchronization to secure clinic payments and omnichannel support platforms, I enjoy designing clean architectures, mentoring engineers, and shipping products that perform well on both iOS and Android.

Keyvan Mozaffari

Web Developer, Game Designer, App Developer, +1

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I’m a Senior React Native developer and mobile systems architect with 15 years of software engineering experience, including 9 years focused on high-performance, cross-platform mobile ecosystems. I work across Expo and React Native CLI (bare workflow), and I’m comfortable bridging to custom native modules using Swift/SwiftUI to deliver smooth performance, reliable offline behavior, and scalable real-time experiences. I’ve led teams and operated at CTO/team-lead level, building automation around enterprise-grade CI/CD (Fastlane, pipelines) and delivering mission-critical fintech features where transaction accuracy matters. From real-time competitive gaming and live deal synchronization to secure clinic payments and omnichannel support platforms, I enjoy designing clean architectures, mentoring engineers, and shipping products that perform well on both iOS and Android.…I’m a Senior React Native developer and mobile systems architect with 15 years of software engineering experience, including 9 years focused on high-performance, cross-platform mobile ecosystems. I work across Expo and React Native CLI (bare workflow), and I’m comfortable bridging to custom native modules using Swift/SwiftUI to deliver smooth performance, reliable offline behavior, and scalable real-time experiences. I’ve led teams and operated at CTO/team-lead level, building automation around enterprise-grade CI/CD (Fastlane, pipelines) and delivering mission-critical fintech features where transaction accuracy matters. From real-time competitive gaming and live deal synchronization to secure clinic payments and omnichannel support platforms, I enjoy designing clean architectures, mentoring engineers, and shipping products that perform well on both iOS and Android.

Available to hire

I’m a Senior React Native developer and mobile systems architect with 15 years of software engineering experience, including 9 years focused on high-performance, cross-platform mobile ecosystems. I work across Expo and React Native CLI (bare workflow), and I’m comfortable bridging to custom native modules using Swift/SwiftUI to deliver smooth performance, reliable offline behavior, and scalable real-time experiences.

I’ve led teams and operated at CTO/team-lead level, building automation around enterprise-grade CI/CD (Fastlane, pipelines) and delivering mission-critical fintech features where transaction accuracy matters. From real-time competitive gaming and live deal synchronization to secure clinic payments and omnichannel support platforms, I enjoy designing clean architectures, mentoring engineers, and shipping products that perform well on both iOS and Android.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Advanced

Turkish

Intermediate

Work Experience

Senior React Native Developer at Tribes

January 1, 2025 - January 1, 2026

Architected and deployed high-visibility mobile solutions across fintech and tourism sectors with a focus on performance scaling and automated operations. For WriteUpp (fintech/healthcare), launched a secure clinic payment solution leveraging the Stripe Terminal SDK and integrating NFC, Bluetooth, Apple Pay, and Google Pay, achieving a 99.9% transaction success rate. For Esseno (tourism/e-commerce), developed core UI architecture and real-time state synchronization for personalized tourism deals with frequent live updates. Partnered with design to improve UI rendering patterns, reduced app load times by 30% on legacy devices, and built deployment pipelines with Fastlane and CI/CD tooling to reduce deployment time by 40%, improve team velocity by 25%, and reduce post-release bugs by 40%.

Senior React Native Developer at Price Match Game, Dubie

January 1, 2024 - Present

Led mobile development for a real-time, cross-platform competitive gaming application. Engineered high-performance WebSocket mechanics to support low-latency user matching and real-time state synchronization during active gameplay. Refactored caching and state management patterns with Redux Toolkit to eliminate UI memory leaks and improve frame-rate responsiveness. Mentored engineers via rigorous code reviews and established unified coding standards across the mobile app and the PHP/Laravel backend layer.

Senior React Native Developer at Vagani

January 1, 2021 - January 1, 2024

Built, maintained, and deployed multiple high-scale white-label mobile applications from a unified React Native codebase. Migrated state management from Redux to React Query to reduce unnecessary API overhead by ~20% and improve offline stability. Engineered real-time communication modules including chat and push notifications using Socket.io and Node.js. Designed and configured automated Fastlane CI/CD pipelines from scratch, eliminating manual App Store and Google Play deployments.

React.js & React Native Developer at Spechy

January 1, 2020 - January 1, 2021

Delivered responsive omnichannel customer support interfaces across web (React.js) and mobile (React Native). Contributed to a shared UI design system by engineering reusable component architectures that accelerated delivery of new modules. Reduced customer-reported UI bugs by 35% through cross-browser testing and automated unit tests.

Freelance React Native Developer at Independent Contractor

January 1, 2018 - January 1, 2020

Delivered multiple client engagements across mobile and full-stack projects. Built Newpal, a peer-to-peer online payment mobile app with a React Native frontend and secure PHP backend. Developed and launched a quiz game (Dribbl) reaching 10K+ active users. Designed and delivered Kalabekala, a multi-vendor marketplace and trading platform using React Native, PHP (CodeIgniter), and MySQL.

CTO & Senior Software Engineering Team Lead at AZKI (Online Insurance)

January 1, 2017 - January 1, 2018

Led the core feature development team by defining technical specifications, designing complex database algorithms, and driving OOP architecture overhauls. Managed day-to-day agile operations including pull request signoffs, performance reviews, task estimation, and technical mentoring for a growing development team.

Senior Full Stack Developer & Team Lead at Kanon Iran Novin

January 1, 2014 - January 1, 2017

Senior Full Stack Developer at Felesh

January 1, 2013 - January 1, 2014

Senior Backend Developer at Kanon Iran Novin

January 1, 2010 - January 1, 2013