Fullstack Developer

Job Profile: React Native Developer (2+ Years Experience)

Location: Kolkata

Work Mode: Work From Office

Experience Required: 2+ Years

Employment Type: Full-Time

Job Description

We are looking for an experienced React Native Developer with 2+ years of hands-on experience to join our mobile development team in Kolkata. The ideal candidate will be responsible for building high-quality, scalable, and performance-optimized mobile applications for Android and iOS platforms.

Key Responsibilities

• Develop and maintain cross-platform mobile applications using React Native
• Convert UI/UX designs into pixel-perfect mobile interfaces
• Integrate RESTful APIs and handle asynchronous data
• Optimize mobile applications for performance, stability, and scalability
• Implement state management using Redux, Context API, or other libraries
• Write clean, maintainable, and reusable code
• Debug, troubleshoot, and resolve production and performance issues
• Collaborate with backend developers, designers, QA, and product teams
• Participate in code reviews, sprint planning, and Agile ceremonies
• Publish and maintain apps on Google Play Store and Apple App Store

Required Skills & Qualifications

• 3+ years of experience in React Native
• Strong knowledge of JavaScript (ES6+) / TypeScript
• Hands-on experience with React Hooks and Functional Components
• Experience with Redux / Context API
• Strong understanding of mobile UI/UX guidelines
• Experience with REST APIs and third-party SDK integration
• Familiarity with Android Studio and Xcode
• Experience using Git for version control

Good to Have

• Experience with Native Modules (Android / iOS)
• Knowledge of Expo
• Experience with Firebase (Auth, Push Notifications, Analytics)
• Familiarity with CI/CD pipelines for mobile apps
• Understanding of app performance optimization techniques

Behavioral & Soft Skills

• Strong analytical and problem-solving skills
• Good communication and collaboration abilities
• Ability to work independently and meet deadlines
• Willingness to work from office in Kolkata

What We Offer

• Stable work-from-office role in Kolkata
• Opportunity to work on live production mobile applications
• Career growth and technical learning opportunities
• Supportive and collaborative work environment

About Us:

Flick.it is a dynamic and innovative sports tech startup passionate about leveraging technology to enhance player development in sports. Our AI-powered Biomechanics Analysis for Peak Athletic Performance empowers athletes and coaches with accessible data and cutting-edge technology, providing clear insights for athletes and their coaches.

Position Overview:

We are seeking a highly skilled Mobile Application Developer with some knowledge of Full Stack development to join our dynamic team. The ideal candidate will have a strong background in mobile app development, along with proficiency in both frontend and backend technologies.

Key Responsibilities:

• Design and develop mobile applications for iOS and Android platforms.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Implement user interfaces and features based on wireframes and design specifications.
• Write clean, maintainable, and efficient code across the full software development lifecycle.
• Conduct code reviews and provide constructive feedback to peers.
• Maintain code quality, organisation, and automation. Troubleshoot and debug applications to resolve issues and optimise performance.
• Stay updated with the latest trends and technologies in mobile and full stack development.
• Work closely with product management and design teams to translate requirements into technical solutions.
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.

Requirements:

• 1-5 years of experience with mobile application development.
• Bachelor’s degree in Computer Science, Engineering, or related field.
• Proven experience as a Mobile Application Developer with a strong portfolio of mobile applications.
• Proficiency in programming languages such as Swift, Kotlin, JavaScript.
• Experience with mobile frameworks such as React Native, Flutter.
• Solid understanding of frontend technologies, including HTML5, CSS3, and JavaScript frameworks.
• Familiarity with backend technologies such as Node.js, Express.js, Django, or Flask.
• Experience with database systems such as MySQL, PostgreSQL, MongoDB, or Firebase.
• Knowledge of RESTful APIs and web services integration.
• Knowledge of handling video applications would be an advantage.
• Understanding of version control systems like Git.
• Excellent problem-solving skills and attention to detail.
• Strong communication and collaboration skills.
• Ability to work independently and in a team environment.

Benefits:

• Competitive salary based on experience.
• Opportunities for professional growth and development.
• Collaborative and supportive work environment.
• Flexible work hours and remote work options.
• Health insurance and other benefits.

If you're passionate about sports and technology and ready to take on exciting challenges in the sports tech industry, we'd love to hear from you!

Location      : Baner, Pune

Notice period : Immediate to 30 Days

• Proven software development experience
• Proven working experience in iOS development
• A deep familiarity with Objective-C and Swift
• Experience working with iOS frameworks such as Core Data, Core Animation, Core Graphics and Core Text
• Have published at least one app in the Store
• Experience working with remote data via REST and JSON
• Experience with third-party libraries and APIs
• Knowledge of JNI, security algorithms
• Experience with offline storage, threading, and performance tuning
• Ability to design applications around natural user interfaces
• Knowledge of the open-source iOS ecosystem and the libraries available for common tasks
• Proficient understanding of code versioning tools such as Git, SVN
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies.
• Solid understanding of the mobile development life cycle
• Good to have: Experience in working on cross platform UI framework such as React Native or Cordova.

• Build pixel-perfect, buttery smooth UIs across both mobile platforms.
• Leverage native APIs for deep integrations with both platforms.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Reach out to the open source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Transition existing React web apps to React Native.

React Native Application Developer

Job Description

•       As a React Native Developer, your responsibility will include creating a suite of applications and improving the functions of applications in development.
•       Experience in building a React or Native mobile app with traffic at scale
•       Ability to architect, refractor and debug an app without disrupting users
•       Proficient with mobile application life cycles
•       Should have multiple apps deployed to the App Store, Google Play Store and deep knowledge of the distribution processes
•       Understanding of unit and functional testing best practices.
•       Should be able to dive into the source code of front end libraries to debug, patch and extend them when necessary
•       Can take a defined software design and turn it into code.
•       Understands how to optimize the delivery of code and assets (e.g., images, fonts) to a browser or device (e.g., lazy loading assets, using CDNs, caching, compression, etc.).
•       Experience with React Js, React Native, JavaScript including DOM Manipulation and the JavaScript object model. Exp with integrated JSON is a must.
•       Thorough understanding of React Native and its core Principles. Hands-on experience on React Native Framework at least 2 Years.

What you will do

•       Working collaboratively in building products and services.
•       Designing mobile-based features, impacting Customer's Digital Experience
•       Taking ownership of the entire software development lifecycle for mobile application
•       Collaborating with cross-functional teams to define design and add new features
•       Ensuring the performance, quality and responsiveness of the applications.
•       Understanding end-user requirements and use cases and translating them into a pragmatic and effective technical solution

Required Candidate profile

•       Capability to perform both independently and in a team
•       Ideal Candidate - Must be open to work on new technologies, versatile and capable of accepting new challenges.
•       Good Knowledge of HTML5, CSS

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