SAURABH  ·  Flutter Developer  ·  5+ yrs

Mid-Level
Dehradun5+ years experienceonsite
Available within 48 hrs

About SAURABH

Experienced Mobile App Developer with 5.75 years of hands-on experience in Android development, leveraging Java, Kotlin, and Flutter. Proficient in designing and integrating robust APIs, optimizing app performance with tools like SonarQube and Sentry, and implementing CI/CD pipelines. Successfully delivered diverse applications across multiple domains including ad-blocking, safety, media streaming, and educational platforms.

  • Developed and maintained 8 distinct mobile applications, showcasing versatility in Android SDK and Flutter.
  • Expertise in API design and integration using RESTful and JSON for seamless backend connectivity.
  • Proficient in app performance optimization, memory management, and code quality using SonarQube and Sentry.
  • Familiar with Agile methodologies, Git for version control, and CI/CD pipeline implementation.
  • Contributed to projects involving BLE, GPS, and IoT components for enhanced mobile functionalities.

Core expertise

Flutter
Technology
8/10
PostgreSQL
Technology
8/10
Kotlin
Technology
8/10

Additional skills(29)

AndroidJavaSpring BootAWSSwaggerDockerGitHubKotlinGitJira

Why hire SAURABH?

Open-source app maintenanceCustom DNS nicheBLE + IoT integrationMulti-platform support

5.75 years Android + Java/Kotlin/Flutter

8 production mobile apps — demonstrated through delivery on production projects in the candidate's experience

Custom DNS solutions (K-Block) — demonstrated through delivery on production projects in the candidate's experience

BLE integration (Silent Beacon) — demonstrated through delivery on production projects in the candidate's experience

Multi-platform (Android TV + Tablets + Chromebooks + Mobile)

Open-source contributions (Kiwix + Simple Mobile Tools)

IoT integration (Zeus Lighting) — demonstrated through delivery on production projects in the candidate's experience

SonarQube + Sentry optimization — demonstrated through delivery on production projects in the candidate's experience

Developed 8 distinct mobile apps

Designed custom DNS for ad-blocking + privacy (K-Block)

Integrated BLE for emergency safety app (Silent Beacon)

Managed AWS servers for backend

Deployed apps on Google Play Console

Optimized with SonarQube + Sentry

Project highlights(8)

Silent Beacon – Android Developer

  • Silent Beacon is a cutting-edge safety app designed to provide immediate assistance in emergencies.
  • The app allows users to alert emergency contacts, including 911, and share their precise GPS location with a single touch.
  • Designed and implemented app features using Java for Android development, ensuring seamless integration with Bluetooth Low Energy (BLE) for device communication.
  • Managed and maintained AWS servers, ensuring high availability, scalability, and security for the backend infrastructure.
  • Conducted thorough testing of the app, including unit tests, integration tests, and user acceptance tests, to identify and resolve bugs.
  • Used GitHub for version control, managing code repositories, and ensuring effective collaboration.
AndroidBLEJavaSpring BootAPIAWSSwaggerDockerGitHub

Key outcomes:

  • Designed and implemented BLE integration for device communication

  • Managed and maintained AWS servers ensuring high availability

  • Conducted thorough testing to ensure optimal performance

Digicel PlayGo – Android Developer

  • PlayGo is a mobile TV application allowing users to watch sports, regional events, news, shows, movies, and kids' programs anywhere.
  • Developed and maintained the Android version of the Digicel PlayGo app.
  • Implemented app features, functionalities, and user interfaces.
  • Collaborated with the design team to translate visual designs into intuitive and user-friendly interfaces.
  • Integrated the app with backend services and APIs to fetch and update data.
JavaKotlinAOSPExoPlayerIpTVGitJira

Key outcomes:

  • Developed and maintained the Android version of Digicel PlayGo

  • Collaborated with design team for intuitive UI/UX

  • Integrated backend services and APIs for data management

KIWIX Android Application – Android Developer

  • Kiwix is a browser that downloads, stores, and reads copies of educational websites offline, such as Wikipedia, TED talks, and Stack Exchange.
  • Developed and maintained the Android version of the Kiwix offline app.
  • Collaborated with other developers and stakeholders to ensure project success.
  • Ensured high-quality performance and user experience.
  • Stayed up-to-date with the latest Android development trends.
Android SDKJavaKotlinKiwix SDK

Key outcomes:

  • Developed and maintained the Kiwix offline Android app

  • Ensured high-quality performance and user experience

  • Kept the application up-to-date with latest Android trends

K-Block App – Android Developer

  • K-Block App is a unique tool that blocks ads in apps and browsers without ROOT privileges, protects privacy, and helps manage apps.
  • It offers options for running in VPN or HTTP proxy mode with custom DNS settings.
  • Developed custom solutions to route all DNS traffic to an In-House DNS-over-HTTPS Resolver.
  • Created a Private DNS provider with features like ad-blocking and spam protection.
  • Developed a per-app connection mapping and control system, along with a network monitor.
  • Integrated malware and ad-blocking DNS over HTTPS resolver.
  • Developed a configurable DNS resolver allowing users to manage denylists, allowlists, and analyze DNS requests.
JavaKotlinAOSPCoreDNSRoom DBDOH, DNS proxy, VPN proxy, RouterAWS CloudGitHub

Key outcomes:

  • Developed custom DNS solutions for ad-blocking and privacy

  • Integrated malware and ad-blocking DNS over HTTPS resolver

  • Implemented a configurable DNS resolver

Video Player App – Android Developer

  • The Video Player App is a multi-media player platform for Android that supports media playback for all formats.
  • It provides users with a simple yet intuitive and powerful player for their media requirements.
  • Developed Core Media Playback functionality.
  • Designed and integrated best UI/UX practices to create intuitive and easy-to-control UI.
  • Developed custom encrypt-decrypt functionality to support private files.
  • Developed software to support multiple media formats alongside network streaming.
  • Provided app support for multiple platforms such as Android TV, Tablets, Chromebooks, and Mobile.
JavaKotlinAOSPVLClibExoPlayerGitJiraCI/CD

Key outcomes:

  • Developed core media playback functionality for all formats

  • Designed intuitive UI/UX for easy control

  • Provided multi-platform support for Android TV, Tablets, Chromebooks, and Mobile

5+ years of industry experience

Cybersecurity1 project
  • •Silent Beacon— Android DeveloperAndroid · BLE · Java · Spring Boot +5
Energy & Utilities1 project
  • •Silent Beacon— Android DeveloperAndroid · BLE · Java · Spring Boot +5

Ready to work with SAURABH?

Onboard within 48 hours. No long hiring cycles, no recruiter middleman.

At a Glance

LocationDehradun
Experience5+ years
Work modeonsite
Direct hirePossible
Start within48 hours
From$2,012/ month

Single contract. Billed in USD.

Typically responds within 4 business hours.

5-day replacement guarantee
48-hour onboarding, single invoice
Direct chat — no recruiter middleman

Top Skills

Flutter
8/10
PostgreSQL
8/10
Kotlin
8/10
Seniority signals
Owns production deploys
VerifiedVetted by Witarist
Technical skills assessed & verified
Background & identity checked
English communication verified
Ready to onboard in 48 hours

Not sure if this is the right fit?

Tell us your requirements and we'll match you with the best candidates.

SAURABH

Mobile Developer