I’m a senior software engineer specializing in web and mobile development with deep expertise in React, React Native, and full-stack JavaScript. Over the past few years I’ve delivered secure, scalable, and high-performance applications across industries, from startups to established platforms. What sets me apart is the combination of technical versatility (frontend, backend, and database management) and product sensibility. I design reusable component libraries, architect robust authentication and API layers, and obsess over accessibility and performance so products work seamlessly for global users. I’ve also been expanding into applied AI, working with tools like OpenAI, embeddings, RAG pipelines, and vector databases to build smarter digital experiences. Colleagues and clients value my ability to balance engineering rigor with creative problem-solving, mentor teams, and deliver under pressure without losing sight of user experience. Whether it’s building a cross-platform app or scaling a web system, I bring both the code and the clarity. ⸻ Employment and project experience Senior React Native Developer — Draftbit May 2023 – May 2025 • Directed cross-platform development for iOS/Android apps using component-driven practices and modern design systems. • Architected secure authentication with OAuth2 and cut app crashes by 40% through performance optimization. • Mentored junior engineers, enforced accessibility standards, and promoted reusable component design. • Streamlined SDK/API integrations and collaborated with UX/UI teams to implement localization for global markets. • Oversaw multiple concurrent projects with strong documentation and support for customer success. React Native Developer — Draftbit Aug 2022 – Apr 2023 • Built and maintained cross-platform mobile apps with React and component-based design. • Optimized app stability and performance through systematic debugging. • Designed scalable database structures and supported CI/CD automation. • Coordinated agile deployments and integrated external APIs seamlessly. Full-stack Developer (MERN) — Upwork Aug 2021 – Jul 2022 • Collaborated on backend architecture and RESTful API design for seamless system integration. • Built responsive web apps optimized for cross-device performance. • Delivered three successful client projects with an average rating of 4/5. • Applied user-centric design to streamline workflows and improve productivity.

Maruf Ahmed

I’m a senior software engineer specializing in web and mobile development with deep expertise in React, React Native, and full-stack JavaScript. Over the past few years I’ve delivered secure, scalable, and high-performance applications across industries, from startups to established platforms. What sets me apart is the combination of technical versatility (frontend, backend, and database management) and product sensibility. I design reusable component libraries, architect robust authentication and API layers, and obsess over accessibility and performance so products work seamlessly for global users. I’ve also been expanding into applied AI, working with tools like OpenAI, embeddings, RAG pipelines, and vector databases to build smarter digital experiences. Colleagues and clients value my ability to balance engineering rigor with creative problem-solving, mentor teams, and deliver under pressure without losing sight of user experience. Whether it’s building a cross-platform app or scaling a web system, I bring both the code and the clarity. ⸻ Employment and project experience Senior React Native Developer — Draftbit May 2023 – May 2025 • Directed cross-platform development for iOS/Android apps using component-driven practices and modern design systems. • Architected secure authentication with OAuth2 and cut app crashes by 40% through performance optimization. • Mentored junior engineers, enforced accessibility standards, and promoted reusable component design. • Streamlined SDK/API integrations and collaborated with UX/UI teams to implement localization for global markets. • Oversaw multiple concurrent projects with strong documentation and support for customer success. React Native Developer — Draftbit Aug 2022 – Apr 2023 • Built and maintained cross-platform mobile apps with React and component-based design. • Optimized app stability and performance through systematic debugging. • Designed scalable database structures and supported CI/CD automation. • Coordinated agile deployments and integrated external APIs seamlessly. Full-stack Developer (MERN) — Upwork Aug 2021 – Jul 2022 • Collaborated on backend architecture and RESTful API design for seamless system integration. • Built responsive web apps optimized for cross-device performance. • Delivered three successful client projects with an average rating of 4/5. • Applied user-centric design to streamline workflows and improve productivity.

Available to hire

I’m a senior software engineer specializing in web and mobile development with deep expertise in React, React Native, and full-stack JavaScript. Over the past few years I’ve delivered secure, scalable, and high-performance applications across industries, from startups to established platforms.

What sets me apart is the combination of technical versatility (frontend, backend, and database management) and product sensibility. I design reusable component libraries, architect robust authentication and API layers, and obsess over accessibility and performance so products work seamlessly for global users. I’ve also been expanding into applied AI, working with tools like OpenAI, embeddings, RAG pipelines, and vector databases to build smarter digital experiences.

Colleagues and clients value my ability to balance engineering rigor with creative problem-solving, mentor teams, and deliver under pressure without losing sight of user experience. Whether it’s building a cross-platform app or scaling a web system, I bring both the code and the clarity.

Employment and project experience

Senior React Native Developer — Draftbit
May 2023 – May 2025
• Directed cross-platform development for iOS/Android apps using component-driven practices and modern design systems.
• Architected secure authentication with OAuth2 and cut app crashes by 40% through performance optimization.
• Mentored junior engineers, enforced accessibility standards, and promoted reusable component design.
• Streamlined SDK/API integrations and collaborated with UX/UI teams to implement localization for global markets.
• Oversaw multiple concurrent projects with strong documentation and support for customer success.

React Native Developer — Draftbit
Aug 2022 – Apr 2023
• Built and maintained cross-platform mobile apps with React and component-based design.
• Optimized app stability and performance through systematic debugging.
• Designed scalable database structures and supported CI/CD automation.
• Coordinated agile deployments and integrated external APIs seamlessly.

Full-stack Developer (MERN) — Upwork
Aug 2021 – Jul 2022
• Collaborated on backend architecture and RESTful API design for seamless system integration.
• Built responsive web apps optimized for cross-device performance.
• Delivered three successful client projects with an average rating of 4/5.
• Applied user-centric design to streamline workflows and improve productivity.

See more

Experience Level

Expert
Expert
Expert
Expert

Language

English
Advanced
Bengali
Fluent
Hindi
Advanced

Work Experience

Expo React Native Developer at Draftbit
September 22, 2025 - May 31, 2025
Senior React Native Developer at Draftbit
May 1, 2025 - September 22, 2025
Directed cross-platform development for iOS/Android with component-driven development, architected OAuth2-based authentication, and improved performance; mentored engineers, streamlined third-party integrations, and implemented localization strategies for accessible, high-quality UIs.
React Native Developer at Draftbit
April 1, 2023 - September 22, 2025
Developed cross-platform apps using React-based component design, optimized stability to reduce crashes, engineered scalable database structures, and coordinated deployments using Scrum; integrated external APIs and optimized workflows.
Full Stack Developer (MERN) at Upwork
July 1, 2022 - September 22, 2025
Collaborated on RESTful API design, built responsive front-end interfaces, improved usability and performance, and delivered multiple projects with high client satisfaction.
Senior React Native Developer at Draftbit
May 1, 2025 - September 22, 2025
Directed cross-platform development for iOS/Android applications, employing component-driven development practices to enhance code reusability and align with modern design systems. Architected secure authentication systems using OAuth2 protocols and optimized app performance, reducing crashes by 40% through efficient memory management and proactive debugging. Mentored junior engineers and conducted code reviews to uphold quality standards and best practices in accessibility and reusable component design. Streamlined third-party integrations by evaluating SDK compatibility and implementing seamless API connections, ensuring dynamic data handling and consistent user interfaces. Collaborated with UX/UI teams to implement localization strategies and culturally sensitive design enhancements, promoting accessibility and performance across global user bases. Managed multiple concurrent projects under tight deadlines by maintaining comprehensive documentation and supporting customer success te
React Native Developer at Draftbit
April 30, 2023 - September 22, 2025
Developed and maintained cross-platform iOS/Android applications using modern frameworks, emphasizing React-based component design for consistent user interfaces. Optimized application performance by identifying and resolving stability issues, significantly reducing app crashes through systematic debugging and performance tuning. Engineered scalable database structures and managed version control systems, ensuring clean codebases that support agile collaboration and continuous integration. Coordinated software deployments including feature updates and fixes using Scrum methodology, reinforcing efficient workflow automation aligned with CI/CD best practices. Adapted swiftly to emerging technologies and integrated external APIs seamlessly, fostering a collaborative environment that bridges design and backend requirements.
Full Stack Developer (MERN) at Upwork
July 31, 2022 - September 22, 2025
Collaborated with back-end development teams to architect and design RESTful APIs, ensuring seamless data flow and optimal system integration. Enhanced user experience by developing responsive front-end interfaces using modern web frameworks, prioritizing cross-device compatibility and performance optimization. Conducted comprehensive system assessments including equipment inspection, functionality testing, and control optimization to maintain operational excellence. Architected forward-thinking web systems focused on user-centric design principles, resulting in improved productivity and streamlined workflows. Delivered 3 successful web development projects, achieving a 4/5.0 average client satisfaction rating through effective development practices and stakeholder collaboration.
Senior React Native Developer at Draftbit
May 1, 2025 - September 22, 2025
Directed cross-platform development for iOS/Android applications using component-driven development to enhance reusability and align with modern design systems. Architected secure authentication using OAuth2 protocols and improved app stability, reducing crashes by 40% through memory management and proactive debugging. Mentored junior engineers, conducted code reviews focusing on accessibility and reusable components. Streamlined third-party integrations, ensuring seamless API connections and consistent data handling. Collaborated with UX/UI teams on localization and accessibility improvements, supporting global user bases. Managed multiple projects with thorough documentation and cross-team coordination.
React Native Developer at Draftbit
April 1, 2023 - September 22, 2025
Developed and maintained cross-platform iOS/Android apps using React-based component design; optimized performance and resolved stability issues; engineered scalable database structures and managed version control to support agile collaboration and CI/CD. Coordinated deployments and feature updates using Scrum, reinforcing efficient workflow automation. Adapted to emerging technologies and integrated external APIs seamlessly, fostering collaboration between design and backend requirements.
Full Stack Developer (MERN) at Upwork
July 1, 2022 - September 22, 2025
Collaborated with backend teams to architect and design RESTful APIs, ensuring seamless data flow and optimal system integration. Enhanced user experience by developing responsive front-end interfaces with modern web frameworks, prioritizing cross-device compatibility and performance optimization. Conducted comprehensive system assessments and optimization to maintain operational excellence, and delivered 3 successful web development projects with a 4/5.0 average client rating through effective development practices and stakeholder collaboration.

Education

Bachelor of Science at Green University of Bangladesh
July 30, 2018 - September 22, 2025
Diploma in MERN Stack (Information Technology) at McLaren College, Bangladesh
June 1, 2020 - December 1, 2021

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Media & Entertainment, Professional Services, Computers & Electronics