React Native Application Lead | Lead Engineer

Job Title: Flutter Developer (App Magician)

Location: Chennai (Work From Office – Let’s create some mobile magic together!)

Experience: 2-3 years (You’ve crafted apps that work like a charm!)

About the Company:

F22 Labs is a startup software studio based out of Chennai. We are the rocket fuel for other startups across the world, powering them with extremely high-quality software. We help entrepreneurs build their vision into beautiful software products (web/mobile). If you're into creating beautiful software and solving real problems, you’ll fit right in with us. Let’s make cool things happen!

Position Overview:

If you can build mobile apps that work seamlessly on both Android and iOS, we want you! As a Flutter Developer at F22 Labs, you’ll be responsible for building high-performance, scalable mobile applications using Flutter. You'll get the chance to work on exciting projects for startups around the world. You'll collaborate with an awesome team, create seamless mobile experiences, and make an impact with every app you build. Ready to dive in? Let's do this!

Key Responsibilities:

• Build and maintain beautiful mobile apps using Flutter, ensuring they work perfectly on both Android and iOS (hello, one codebase to rule them all!).
• Collaborate with the design, product, and backend teams to build intuitive, user-friendly mobile applications.
• Create dynamic UIs, smooth animations, and fluid transitions that will leave users saying “Wow!”
• Write clean, maintainable, and efficient code (because messy code is a nightmare for all of us).
• Integrate RESTful APIs and third-party services to make sure our apps can talk to the outside world.
• Optimize app performance to ensure lightning-fast loading times (no one likes slow apps).
• Troubleshoot and fix bugs quickly and effectively (we don’t have time for glitches!).
• Keep up with the latest Flutter updates and mobile development trends—because if you’re not improving, you’re falling behind.
• Work closely with QA to ensure that every app release is flawless.

Mandatory Skills:

• Strong expertise in Flutter and Dart (you speak Dart like a native!)
• Strong experience with Android development (Kotlin knowledge is a plus).
• Solid understanding of RESTful APIs and integration.
• Experience with Provider for state management (you’ve tamed this beast before!).

Good to Have Skills (Bonus Points!):

• Experience with iOS development (Swift/Objective-C is your second language).
• Familiarity with ReactJS (because flexibility is key!).
• Knowledge of CI/CD pipelines (we love automating our workflows).
• Exposure to cloud services (AWS, Firebase, or any of your favorites).
• Passion for AI features or building apps with cutting-edge tech.

Why Join Us (Perks & Benefits):

• Health insurance (because your health is our top priority).
• Flexible work timings (you know when you’re at your best).
• Better-than-market compensation (because we know you’re worth it).
• Supercharged learning culture—become the best version of yourself.
• Rapid career growth—if you’re looking for the right opportunity, you’ve found it.
• Work with a fun, quirky team of like-minded developers who love to innovate.
• Learn from the best and share your wisdom with us too (we love to grow together).

Selection Process:

• Online Assessment
• 1-2 rounds of interviews (let’s talk about your Flutter superpowers!).

If you’re looking to work in a dynamic, fast-growing start-up and want to make an impact on the software products of tomorrow, we’d love to have you onboard! Apply today!

Android Services, System service and framework development, Broadcast using Java, Kotlin, C++ (Mandatory)

Experience in AOSP build setup & understanding of Android.bp, gradle, Android.mk (Mandatory)

IPC mechanism in Android: AIDL, JNI, HIDL, Socket Communication (Mandatory)

Experience in Android application development using Java & Kotlin (Mandatory)

Custom UI component development & understanding of MVVM architecture (Mandatory)

Flexible in customizing AOSP for product branding (Good to have)

RESTful service integration, Multithreading ,Message queueing (Good to have)

• Opportunity to work on highly challenging international projects.
• Opportunity to travel & work with International clients.
• Flexible and friendly work environment
• Great organisational culture, focus on employee's well-being.
• Work-life balance.
• Be part of the best place to work for certified company

Job Description

About:

Market network for digital creators. The platform provides a marketplace for YouTubers, twitch streamers, Instagrammers. It provides tools to creators to build their brand, business, and unlock new revenue streams while growing existing revenue streams.

Creators today find themselves at the mercy of social media platforms to get their content out in front of their fans. Its is a seed funded startup building a platform to encourage more creators to take full control of their growth, become self-sufficient, and not get exploited.Softwares have streamlined other industries to great benefit in the last 25 years. We think it’s inevitable that it will also happen in our ecosystem. In the last decade, we saw Shopify do that for e-commerce entrepreneurs and AngelList empower tech entrepreneurs. We want to do the same for media entrepreneurs. How do we plan on doing this? By helping creators globally to engage deeply with their fans and communities; monetize much earlier into their journeys of being successful independent businesses and empower them to effectively manage their business. The founding team of CreatorStack is a diverse mixture of seasoned technology entrepreneurs, musicians, content creators, and artists. We love solving problems. And we love solving them as a team. If you believe that chasing your creativity should be financially rewarding, then come join us.

Roles & Responsibilities:

• Work on a disruptive product that’s still in its early stages
• Be responsible for the development and maintenance of the CreatorStack mobile app aimed at iOS and Android
• Translate designs and wireframes into high-quality code
• Ensure the best possible performance, quality, and responsiveness of the CreatorStack app
• Mentor other engineers, define our technical culture and help to build a fast-growing team.

Must Have:

• Have experience in product development, architecture, and design for a 2 to 5 years
• Are proficient in Flutter language
• Have the ability to learn and look for ways to improve yourself and the processes around you
• Have strong knowledge of iOS and Android frameworks and the ability to deal with different screen sizes
• Are proficient with RESTful api's to connect mobile applications to back-end services
• Experience with storage, threading, and performance tuning
• The ability to mentor and support other team members by doing code reviews and applying your experience in process and technical leadership
• Experience working with agile team environments and if you are a self-starter, conscientious member of the team
• Good knowledge in pixel-perfect implementation of designs

Nice to have:

• If you have worked in a fast product-driven culture and have the ability to build an experience that solves users' problems - we like to work with team members who have a solid hold on product and design thinking
• If you have led teams in your past experiences
• If you also have experience in working with languages like React and Swift

Benefits :

• It is a market network platform for internet native digital content creators turns their passion into a profitable venture. Our products help them accelerate growth and increase direct monetization for creators around the globe

Own Android SDKs, working hand-in-hand with the founding team

Design and build delightful user interfaces for native apps on Android

You will be (co-) responsible for our software development kit (SDK) for Android

Building mobile apps in both Swift and Kotlin.

You work independently on your own code, but you also spend time collaborating with others.

You are involved in all stages of app development and contribute to the roadmap.

You get the freedom to experiment with new Android technology.

Ownership — advocate for projects and solutions that need to be launched ground up.

Experience

Min 2 to 4 years in developing Android applications in Java / Kotlin / C++ /Gradle/Groovy.

Worked on SDKs/Frameworks.

Strong understanding of software design patterns as well as Android specifics.

Experience with authenticated sessions using authentication tokens and have at-least

fundamental knowledge of app security.

Good to have:-

Experience with Cross-platform frameworks is a plus (React Native, Flutter, Cordova,

Xamarin).

Have implemented security standards and guides.

Experience building applications at scale.

Experience with third-party libraries and APIs like Mobile Vision, MLKit and/or

Camera API.

Good understanding of garbage collection, design patterns and continuously

discover, evaluate,and implement new technologies to maximize development efficiency.

Unit-test code for robustness, including edge cases, usability, and general

reliability

• 3+ years proven work experience as a Mobile developer.
• Experience using web services (HTTP, REST, SOAP) using JSON, API and API Framework) .
• Good knowledge of object-oriented design patterns and Multi-threading concepts
• Good knowledge of the SQLite database and the Google Play Services like Push Notifications (fcm/sns)
• Strong mobile UI design (multi-screen resolutions), coding, support and maintenance
• Knowledge of HTML5, Bootstrap, JavaScript,
• Experience with third-party libraries and APIs (like Facebook, Twitter, etc.)
• Proficient iOS and Android mobile app experience are a plus
• In-depth knowledge of at least two Framework/Libraries like React Native / Ionic / Framework7 / Aurelia / PhoneGap / Flutter and angular / react / vue / Mobile Angular UI/ Kendo UI.
• Knowledge of bench marking and optimization
• Mandatory : self sufficient developer and must have prior experience of hybrid development [atleast 3 projects]

Android Mobile Developer

The ideal candidate will be passionate about providing the best experience to our user community from UI/UX design to speed and performance.  You will think critically to develop native apps for Android mobile devices.  You’ll instrument, measure, optimize and build high quality architectures and code in areas such as Search, Transaction Management and Profile Management.

General Responsibilities:

• End-to-end Android application development that will produce elegant features that our users will love
• Coding alongside the team (comprised of designers and product managers) developing features for our mobile apps
• Produce high quality software that is unit tested, code reviewed, and checked in regularly for continuous integration.
• Understand where to make architectural trade-offs applying synchronous and asynchronous design patterns
• Provide solid feedback on good mobile UI/UX design practices and ways to reduce any user friction

Requirements:

• 5+ years developing extensively with Java 
• 7+ years experience in software design, development, and algorithm related solutions
• Knowledge of UI and animation frameworks, touch user interface, and MVP application design
• Strong expertise in developing enterprise mobile applications using Google’s Android SDK( e.g. packaging, emulators, adb, etc)
• Familiar with deploying to Google’s app store and staged rollouts
• Extensive programming experience in Java and/or Kotlin
• Experience with relational databases (transactional and non-transactional), database architecture, and distributed transaction management
• Experience with consuming third-party libraries and APIs
• Strong understanding of working with REST services, databases, caching strategies & asynchronous calls is a must
• Good understanding of software development lifecycle along with working knowledge of SCM with strong emphasis on Git and Jira
• BA/BS Degree in Computer Science or related technical discipline, or related practical experience.