Senior Android Developer

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!

React Native Developer Job Description

We are searching for a brilliant, flexible React Native Developer to create novel Android / IOS apps that meet the needs of our target audience.

To this end, the React Native Developer's Responsibilities include writing and proofreading code, liaising with coworkers within and outside of their department, and monitoring customers' feedback. Over time, you will also be required to create app updates.

To ensure success as an React Native Developer, you should demonstrate proficiency in one of the mainstream programming languages, and a sound understanding of the traditional product life cycle.

An exceptional React Native Developer will be fearless but respectful in the pursuit of excellence, continually striving to shape the
ways in which Android/ IOS apps impact the world around us.

React Native Developer Responsibilities:

Conceptualizing and formulating apps that are suitable for use on all types of Android/lOS devices.
Implementing measures to safeguard users' data.
Ensuring that the construction and presentation of your apps are congruent with the company's standards.
Proofreading your code and correcting mistakes before each app is released.
Collaborating with Ul and UX Designers, as well as Software Testers, to ensure that each app is presentable and in perfect working order.

Must Good to Have Details :

- Must have at least 1 year of experience on React Native along with architecture experience in Mobile Applications.

- Have strong knowledge of App UI design principles, patterns, and best practices

- Familiarity with native build tools, like XCode, Gradle, Android Studio IntelliJ, VsCode

- In-Depth Knowledge of React, React Native, TypeScript or JavaScript Redux, Hooks, ECMAScript (ES6, ES7 etc.), Node, NPM and iOS & Android Build systems

Must have :

- Understanding of REST APIs, the document request model, and offline storage and must have on React Native chart Library

- Working knowledge on Sending Notifications with APNs & FCM

- Experience working with Backend Web Services (like REST etc), Fetch API, and Axios and knowledge of Databases (Relational, Distributed etc.)

- Experience in integrating libraries like React Navigation, React Native, Firebase, Social Logins (Facebook, Google, Apple etc.), Push Notifications etc.

- Responsive layouts in both platforms in reactive native using Media Query & Flexbox

- Sound knowledge of Design Patterns like Creational, Structural, and Behavioral

Good to have :

- Working experience on third-party dependencies and debugging - dependency conflicts

- Must be able to integrate native code in react-native and expo Modules

- Able to generate builds for both IOS(.IPA) and Android (APK) Platforms and experience in hosting apps on respective Stores(AppStore, PlayStore).

- Professional Communication (written, verbal presenting)

- Open to learn and adapt to new technologies

- Go-getter, Result oriented Creative & Innovative approach

- Excellent Communication Skills

• 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]

We're looking for a Sr. Android Developer to work on improving the performance and UX for our Android app and build kick ass new features. 

If you love building slick Android apps and pushing the limit on interactions, animations and usability, then this one's for you.

Required Skills:

Worked in app teams with multiple contributors/ team members

Demonstrated understanding of app architecture + best practices

Detail oriented with a focus on app performance and stability

Expertise in UI implementation - interactions, animations and design. We do not always follow material design, so should be comfortable with building custom UI elements

Understanding of how to build online->offline apps using local databases and file storage, and syncing with remote resources

Experience implementing any of the following is a bonus: branch.io , Google Analytics, Flurry, Urban Airship

Understanding of utilizing phone camera and in-app image manipulation is a bonus

Self motivated (we don't micromanage)

Product and design oriented thinking

We're looking for a Sr. Android Developer to work on improving the performance and UX for our Android app and build kick ass new features. 4+ years of experience in Android development is a must, with the ability guide app architecture and development to create high performing apps with stellar UX.

If you love building slick Android apps and pushing the limit on interactions, animations and usability, then this one's for you.

Required Skills:

Worked in app teams with multiple contributors/ team members

Demonstrated understanding of app architecture + best practices

Detail oriented with a focus on app performance and stability

Expertise in UI implementation - interactions, animations and design. We do not always follow material design, so should be comfortable with building custom UI elements

Understanding of how to build online->offline apps using local databases and file storage, and syncing with remote resources

Experience implementing any of the following is a bonus: branch.io , Google Analytics, Flurry, Urban Airship

Understanding of utilizing phone camera and in-app image manipulation is a bonus

Self motivated (we don't micromanage)

Product and design oriented thinking

Dear all,

CONTUS is looking for an ever-growing team with young brains in majority and a couple of senior experts to guide them. A fun-filled group that learns by doing things and love what they do. Opportunities are wide as we not only take up client projects but churn out own apps as well.

Why should you choose Contus?

• A great platform to learn and work in complex full stack development projects Angular, React, Node, Laravel which can take to the next level.
• Attractive perks as per Industry standards & Essential benefits
• Five days of work in a week with flexible work timings.
• A great opportunity to handle Enterprise Accounts across the globe and to manage projects in Internet of Things(IoT), Block-Chain, Full Stack development, Enterprise Mobility, DevOps, Agile and a lot more to keep yourself updated on current trends
• Enterprise accounts includes leading Automobile, Network Security, Truck, Construction, Embedded Electronics oriented clients all over the world which seeks our help in Digital Transformation

CONTUS 11                   - https://www.youtube.com/watch?v=sOC62PTw2MU">https://www.youtube.com/watch?v=sOC62PTw2MU   

CONTUS Awards 2018  - https://www.youtube.com/watch?v=EX8NEQFQ60s&;t=50s">https://www.youtube.com/watch?v=EX8NEQFQ60s&;t=50s   

Designation : Application Developer / Sr.Application Developer / Tech Lead - Android

Mode of Employment : Permanent

Salary : Industry Standards + Benefits (Medi-Claim Insurance & Accidental Policy)

Work Location : Guindy, Chennai

Working days :Monday to Friday 9.30 AM to 6.30 PM (Flexible 8 Hours)

Venue Details:

Kamak Towers, 12A,(SP), 6th floor,

Thiruvika Industrial Estate, Ekkatuthangal, Guindy, Chennai - 32.

Land Mark: Behind Olympia tech Park.(3rd right)

Note:

*** Candidates attended in 3 Months of duration are not eligible to apply again *** 

Job Summary :--

An ever-growing team with young brains in majority and a couple of senior experts to guide them. A fun-filled group that learns by doing things and love what they do. Opportunities are wide as we not only take up client projects but churn out own apps as well.

Responsibilities:-

*Develop and create applications for client projects and in-house requirements.

*Make use of Android frameworks to create UI faster, take control/understand client projects from start to end.

*Deliver the projects successfully in-time with quality.

*Stay updated on the latest industry trends, development practices and evolving mobile technologies.

What we look for :-

Good analytical and programming skills in Java, Android 2.2 + SDK/NDK Development (Web Services & API's, LBS, UI and XML, Layout Design, Social Network Integration, Content Providers etc.), XML, JSON, SQLite3 and MySQL.

Handful experience in tools like Android Studio, Eclipse and analytical tools like Find Bugs and PMD.

Basic knowledge about Hybrid Application and ideas on publishing applications in Android Market.

Knowledge of PHP-driven CMSes & versioning tools like SVN will be added an advantage.

Should be able to do Client Interaction

Expertise in design and development of applications to Android devices / platform.\

Maintain quality and ensure responsiveness of applications.

Hands on experience with Android Studio, APIs and Database usage.

Expertise in automated test tools for Android application.

Exposure to UI design principles and best practices.

Knowledge of open-source Android ecosystem and the available libraries.

Experience in NDK/C++/Java/Android framework.

Hands on experience with SCM tools and services such as Git, Gitlab, gerrit, SVN, others

Familiarity with open source tool chains.

Other GUI design tools and framework experience desirable. 

The following are the criteria, that we expect experienced candidates to meet.

1. Strong in OOPS concepts and must know how to incorporate them in projects.
2. Must have through understanding of all these android components. (Activities, Fragments, Service, Intent Service, Broadcasts, AsyncTasks, SQLite, Push Notifications)
3. Must have strong understanding of data structures of the Java's Collections API. (List, Map, Set, Queue)
4. Must be comfortable in writing multi-threaded and thread safe applications.
5. Must be familiar with design patterns (MVP, MVVM).
6. Should be comfortable using Android Profiler for tracking memory, network and cpu usage.
7. Should be familiar with writing applications for portrait and landscape orientations.
8. Added advantage if the candidate can code in kotlin.
9. Added advantage if the candidate has knowledge on XMPP, Socket, Webrtc, VOIP, BLE, Bluetooth Classic.

Kindly prepare on below topics well;

OOM

JVM

Multithreading, Overriding, Overloading

Abstraction, async task,

Main thread, Services

About CONTUS :-

CONTUS started providing digital transformations solutions and services since 2008, even before the actual digital transformation era started. Today after a proud 11 years of successful existence, Contus is consciously driven by the future of Digital techs, not by the current or legacy techs. 

The solutions and services of Contus have connected millions of devices and people and hearts across the globe right from heartbeats monitors to Televisions to Cars & trucks to smart cities, with it's Over The Top (OTT) Video on Demand and messaging solutions and also with its full stack IOT enablement services.  

With hundreds of digital engineers @Contus, we have enabled millions of end users to connect for elaborate used cases in more the 50 countries.

To know more about us, visit http://www.contus.com/">www.contus.com, a leading mobile application development and web development company