Sahil Doi — Mobile Engineer

Shaped by years of hands-on mobile development, the foundation of my work lies in building applications that remain stable, scalable, and intuitive across platforms. I specialize in turning product requirements into high-performance mobile solutions that deliver real value in production environments. My experience spans React Native and native Android development, covering full-cycle delivery across industries and teams. From leading a development group to independently owning end-to-end app builds, I focus on creating mobile experiences that are robust, efficient, and easy to maintain. Over the years, I’ve gained the ability to balance UI engineering, architectural decisions, and performance tuning while managing release timelines with consistency. My Key Contributions & Achievements; 🔹 Led mobile development across Android and iOS at Infasta Soft Solutions, guiding a 4-member team and delivering stable, production-ready releases. 🔹 Built and enhanced native Android features at SpryBit using Java/Kotlin, improving UI flow, stability, and performance across multiple devices. 🔹 Delivered complete Android applications at Feardog with full ownership of UI, API integrations, and deployments, including feature work on the SwipeUp social-media app. 🔹 Developed multi-feature applications during internship at Xupoli Technologies, strengthening UI engineering skills and establishing a solid development foundation. 🔹 Directed end-to-end development for multiple standalone apps, achieving thousands of downloads and consistent user engagement. 🔹 Improved performance, navigation, and UI responsiveness across projects through systematic refinement of components and data flow. Driven by clean architecture, thoughtful engineering decisions, and consistent delivery, I aim to build mobile products that scale naturally with user and business needs. I look forward to opportunities that challenge me to build smarter, faster, and more impactful mobile applications.

Stackforce AI infers this person is a Mobile Development Specialist with expertise in Android and React Native applications.

Location: Hyderabad, Telangana, India

Experience: 4 yrs 2 mos

Skills

Mobile Application Development
React Native
Android Development
Kotlin
Java
Mobile Development

Career Highlights

Led mobile development for Android and iOS applications.
Delivered complete Android applications with full ownership.
Improved app performance and user experience consistently.

Work Experience

Infasta Soft Solutions Pvt Ltd

Sr Mobile Application Developer (2 yrs)

SpryBit

Android Developer (1 yr 6 mos)

Feardog

Android Developer (9 mos)

Xupoli Technologies Inc.

Mobile Application Developer (7 mos)

Education

Computer Science at PARUL INSTITUTE OF ENGG. AND TECH., LIMDA, VAGHODIA 037

Higher secondary at Rumi English High School

Sahil Doi

Mobile Engineer

Hyderabad, Telangana, India4 yrs 2 mos experience

Most Likely To Switch

Key Highlights

Led mobile development for Android and iOS applications.
Delivered complete Android applications with full ownership.
Improved app performance and user experience consistently.

Stackforce AI infers this person is a Mobile Development Specialist with expertise in Android and React Native applications.

Contact

sahildoi6430@gmail.com LinkedIn

Skills

Core Skills

Mobile Application DevelopmentReact NativeAndroid DevelopmentKotlinJavaMobile Development

Other Skills

Mobile App DevelopmentUI EngineeringREST APIsAPI IntegrationXML UIUI ImplementationJavaScriptProject ManagementGoogle Maps APINode.jsCascading Style Sheets (CSS)FirebaseAndroid SDKAndroid StudioSQL

About

Experience

4 yrs 2 mos

Total Experience

1 yr 5 mos

Average Tenure

2 yrs

Current Experience

Infasta soft solutions pvt ltd

Sr Mobile Application Developer

May 2024 – Present · 2 yrs · Hyderabad · Hybrid

As a Sr Mobile Application Developer at Infasta Soft Solutions, I lead full mobile delivery across Android and iOS, driving development strategy and execution for multiple products.
The role includes overseeing a 4-member development team, ensuring stable builds, and implementing reliable architectures using React Native. I manage end-to-end cycles, from requirements to releases, while maintaining code quality and performance across platforms.
✅ Directed full-cycle development for Android and iOS apps, achieving stable releases through structured architecture and consistent code reviews.
✅ Guided a team of 4 developers, ensuring predictable delivery by assigning tasks, mentoring, and reviewing implementations.
✅ Strengthened app performance by refining core components and improving responsiveness across varied device types.
✅ Improved project execution through precise planning and continuous oversight, resulting in faster iteration cycles.
✅ Elevated user experience by enhancing UI elements, refining navigation, and addressing device-specific issues.
React Native, Android Development, Mobile App Development, Agile Development

Mobile Application DevelopmentReact NativeAndroid Development

Sprybit

Android Developer

Nov 2022 – May 2024 · 1 yr 6 mos · Ahmedabad, Gujarat, India · On-site

As an Android Developer at SpryBit, I built and enhanced native Android applications using Java and Kotlin. The role required delivering stable releases, integrating APIs, and improving UI behavior while ensuring consistent performance. I worked closely with teams to improve app reliability and meet evolving product requirements.
✅ Built and enhanced native Android features using Java/Kotlin, improving UI flow and functional performance.
✅ Strengthened app reliability by resolving bugs, stabilizing modules, and refining behavior across Android versions.
✅ Integrated REST APIs and improved data handling, resulting in smoother user interactions.
✅ Improved design consistency by refining layouts and implementing polished visual elements.
✅ Provided technical support across development cycles, enabling faster release timelines.
Android Development, Kotlin, Java, UI Engineering, REST APIs

Android DevelopmentKotlinJavaUI EngineeringREST APIs

Feardog

Android Developer

Mar 2022 – Dec 2022 · 9 mos · Ahmedabad, Gujarat, India

As an Android Developer at Feardog, I independently delivered complete Android app solutions while contributing to a larger product ecosystem. The role demanded ownership of UI development, API integrations, and deployment activities. I also supported feature development for SwipeUp, a social-media product built on modern communication APIs.
✅ Delivered full Android app builds end-to-end, ensuring smooth UI implementation and reliable performance.
✅ Integrated APIs and built core modules, resulting in improved product stability and engagement.
✅ Enhanced UI layouts using XML, strengthening consistency across screens and devices.
✅ Supported development of SwipeUp by implementing backend communication layers and interactive UI tools.
✅ Reduced turnaround time on client projects by addressing issues quickly and improving feature delivery flow.
Android Development, Java, Kotlin, API Integration, XML UI

Android DevelopmentJavaKotlinAPI IntegrationXML UI

Xupoli technologies inc.

Mobile Application Developer

Aug 2021 – Mar 2022 · 7 mos · United Kingdom · Remote

As a Mobile Application Developer Intern at Xupoli Technologies Inc., I contributed to mobile development activities focused on UI implementation, feature development, and supporting app functionality. This role laid the foundation for my transition to full-time Android development.
✅ Built UI components and supported app functionality across assigned modules.
✅ Improved interface behavior by refining layouts and resolving UI inconsistencies.
✅ Assisted in feature integrations that improved app usability and structure.
✅ Strengthened code quality through continuous testing and refactoring.
✅ Supported development cycles by coordinating tasks and preparing release-ready builds.
Mobile Development, React Native, UI Implementation, JavaScript, Android Basics

Mobile DevelopmentReact NativeUI ImplementationJavaScript