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Hi, I’m Sarmad Samiullah, a results-driven React Native developer with 3+ years of experience building cross-platform mobile applications. I specialize in React Native, JavaScript, TypeScript, Redux, and Firebase, and I have delivered 15+ apps to Play Store/App Store. I focus on performance optimization and seamless data synchronization via REST/GraphQL. I enjoy collaborating with cross-functional teams, writing clean code with Test‑Driven Development, and creating user-friendly, high‑performance mobile solutions. In my spare time I contribute to open‑source projects and continuously sharpen my skills in UI/UX optimization and mobile architecture.…Hi, I’m Sarmad Samiullah, a results-driven React Native developer with 3+ years of experience building cross-platform mobile applications. I specialize in React Native, JavaScript, TypeScript, Redux, and Firebase, and I have delivered 15+ apps to Play Store/App Store. I focus on performance optimization and seamless data synchronization via REST/GraphQL. I enjoy collaborating with cross-functional teams, writing clean code with Test‑Driven Development, and creating user-friendly, high‑performance mobile solutions. In my spare time I contribute to open‑source projects and continuously sharpen my skills in UI/UX optimization and mobile architecture.

Sarmad Samiullah

App Developer, Web Developer, Front-End Developer, +2

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Hi, I’m Sarmad Samiullah, a results-driven React Native developer with 3+ years of experience building cross-platform mobile applications. I specialize in React Native, JavaScript, TypeScript, Redux, and Firebase, and I have delivered 15+ apps to Play Store/App Store. I focus on performance optimization and seamless data synchronization via REST/GraphQL. I enjoy collaborating with cross-functional teams, writing clean code with Test‑Driven Development, and creating user-friendly, high‑performance mobile solutions. In my spare time I contribute to open‑source projects and continuously sharpen my skills in UI/UX optimization and mobile architecture.…Hi, I’m Sarmad Samiullah, a results-driven React Native developer with 3+ years of experience building cross-platform mobile applications. I specialize in React Native, JavaScript, TypeScript, Redux, and Firebase, and I have delivered 15+ apps to Play Store/App Store. I focus on performance optimization and seamless data synchronization via REST/GraphQL. I enjoy collaborating with cross-functional teams, writing clean code with Test‑Driven Development, and creating user-friendly, high‑performance mobile solutions. In my spare time I contribute to open‑source projects and continuously sharpen my skills in UI/UX optimization and mobile architecture.

Available to hire

Hi, I’m Sarmad Samiullah, a results-driven React Native developer with 3+ years of experience building cross-platform mobile applications. I specialize in React Native, JavaScript, TypeScript, Redux, and Firebase, and I have delivered 15+ apps to Play Store/App Store. I focus on performance optimization and seamless data synchronization via REST/GraphQL.

I enjoy collaborating with cross-functional teams, writing clean code with Test‑Driven Development, and creating user-friendly, high‑performance mobile solutions. In my spare time I contribute to open‑source projects and continuously sharpen my skills in UI/UX optimization and mobile architecture.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

React Native Developer at AppCrates Ltd.

January 1, 2021 - Present

Developed 15+ React Native apps using Test-Driven Development (TDD), reducing production bugs by 30%. Integrated REST/GraphQL APIs for real-time data synchronization, improving app responsiveness by 25%. Collaborated with cross-functional teams to implement features aligned with existing code conventions, ensuring 100% code consistency. Optimized app performance by reducing load times by 15% through code refactoring and memory management. Published 3+ apps on Play Store, including E-ŠTUDENTSKA (10k+ downloads).

Senior React Native Developer at AppCrates Ltd.

January 1, 2021 - Present

Led development of 15+ React Native apps using Test-Driven Development, reducing production bugs by 30%. Integrated REST/GraphQL APIs for real-time data synchronization, boosting app responsiveness by 25%. Collaborated across cross-functional teams to maintain code consistency, refactored for performance and memory management to reduce load times by 15%. Published 3+ apps on Play Store, including E-ŠTUDENTSKA (10k+ downloads).

React Native Developer at JetSoftPro

December 1, 2020 - September 26, 2025

Built 3 React Native apps with Firebase backend, enhancing user retention by 20%. Streamlined API response handling using JSON/XML, reducing latency by 18%. Contributed to app architecture design, improving scalability for 50k+ active users. Implemented unit tests covering 90% of codebase, ensuring high code quality pre-deployment. Published apps on Play Store, demonstrating successful delivery of mobile solutions.

React Native Developer at JetSoftPro

December 1, 2020 - September 26, 2025

Built 3 React Native apps with Firebase backend, increasing user retention by 20%. Optimized API response handling (JSON/XML) to reduce latency by 18%. Contributed to scalable app architecture for 50k+ active users. Implemented unit tests covering ~90% of codebase to ensure code quality pre-deployment. Published apps on Play Store.