
JD: React Native Engineer (Real-Time / Streaming)
Role: React Native Engineer – Real-Time Systems
We are building real-time, high-scale applications involving chat, streaming, and interactive experiences. We’re looking for engineers who can build performant mobile apps that handle live data, low latency, and production-scale usage.
What You’ll Do
- Build and maintain high-performance React Native applications
- Integrate real-time systems (WebSockets, RTC, live updates)
- Work with SDKs like Agora or similar
- Optimize app performance (FPS, memory, startup time)
- Handle network variability, retries, and offline states
- Collaborate with backend/infra teams on APIs and contracts
- Debug production issues (crashes, latency, memory leaks)
Must-Have Skills
- Strong experience in React Native
- Solid understanding of:
- App lifecycle
- Performance optimization
- Native bridges (Android/iOS basics)
- Experience with:
- WebSockets / real-time updates
- API integration at scale
- Strong debugging skills (Flipper, profiling tools)
- Experience handling production apps with real users
Good-to-Have
- Experience integrating RTC/streaming SDKs like Agora
- Worked on apps with:
- Chat / live streaming / gaming
- Experience with:
- Push notifications
- Background tasks
- Familiarity with analytics and monitoring tools
What We Value
- Engineers who care about performance, not just UI
- Ability to debug real-world issues (not just build features)
- Strong ownership mindset

About i2b Technologies Pvt Ltd
About
i2b is a venture studio building AI-first consumer and B2B technology companies, partnering with founders to create scalable enterprise platforms and product-led businesses.
Founded by Deepak Gullapalli, i2b operates across AI-driven consumer products, scalable B2B SaaS platforms, and early-stage startup incubation, combining operating expertise, strategic capital, and hands-on mentorship to turn strong ideas into durable, high-growth companies while building the next generation of intelligent consumer and enterprise products.
Tech stack
Candid answers by the company
Hyderabad
Similar jobs
Urgent Hiring !!!
We are looking for Flutter Developer,
1+ years of experience in developing native and cross-platform mobile applications
Experience in one of the programming languages: (Java and Kotlin (Android) Swift and Objective-C (iOS))
React Native (hybrid development)
Knowledge of Flutter SDK, Getex, Provider, Android Studio and IntelliJ, Visual Studio Code,
SQLite, MySQL, and PostgreSQL databases
REST APIs
Experience with Git and Jira
Familiarity with Agile development approaches
Experience: 1 to 2 years
Location: Surat (onsite & fulltime)
Job Title: Mobile Developer (React Native/Flutter)
Location: Hybrid
Employment Type: Full-time
About Us:
We are a startup building a marketplace for maids. Our mission is to connect customers with service providers through a seamless, user-friendly mobile application. We are looking for a passionate Mobile Developer to join our team and help shape the future of our platform.
Role Overview:
As a Mobile Developer, you will be responsible for developing and maintaining our mobile application using React Native or Flutter. You will work closely with designers, backend engineers, and product managers to deliver high-quality, scalable, and user-friendly experiences.
Key Responsibilities:
- Design, develop, and maintain mobile applications using React Native or Flutter.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Ensure the performance, quality, and responsiveness of applications.
- Write clean, maintainable, and efficient code following best practices.
- Troubleshoot and debug issues, optimizing application performance.
- Participate in code reviews to ensure code quality and share knowledge.
- Stay updated on the latest mobile development trends and technologies.
Requirements:
- 2+ years of professional experience in mobile development with React Native or Flutter.
- Strong understanding of JavaScript (React Native) or Dart (Flutter) and mobile development frameworks.
- Experience integrating RESTful APIs and third-party libraries.
- Familiarity with mobile UI/UX standards and best practices.
- Knowledge of version control systems (e.g., Git).
- Experience with state management (Redux, MobX, Provider, etc.).
- Strong problem-solving skills and attention to detail.
Nice-to-Have:
- Experience with native development (Android/iOS).
- Familiarity with CI/CD pipelines for mobile applications.
- Knowledge of Firebase services (e.g., Authentication, Firestore).
- Experience working in Agile environments.
What We Offer:
- Competitive salary and equity options.
- Flexible work environment (hybrid).
- Opportunity to shape the future of a high-growth startup.
- Collaborative and supportive team culture.
- Professional development and learning opportunities.
Here are the skills we are looking for
1. experienced in mobile development using react native framework should be proficient in
2. must be fluent in java script(and typescript) and its nuances including ES6+ syntax.
3. deep understanding of how to optimize react native apps for iOS and android, including offline storage, threading ,and programming concepts.
4. strong understanding in object-oriented programming concepts.
5. experience integrating third party libraries and APIs.
- Must have 3+ Years of experience with Hyrbid App Development
- Must have 2+ Years of Experience with Cordova / Ionic
- Priority will be given to candidates having experience in developing Cordova Plugins
- Good Communication Skills (English)
We are a social learning platform that allows us to learn the way we learn best.
If our children are going to learn online we will have to make it social. That’s how learning happens best. We think we’re amongst the first few companies in the world trying to push the boundaries of edtech to a new era of highly social & community-driven learning.
We have raised a Series A led by Accel and Matrix Partners and a select few angels to help us realize this dream.
The role:
We are looking for a seasoned react native engineer to join our team as the lead mobile engineer. More than anything, we are looking for engineers that are eager to learn, and do whatever it takes to build a meaningful company. We are a small team and encourage engineers to wear many hats. Working closely with our founders, senior leaders, product managers, and designers, you will have the unique opportunity to build products that will change how students and teachers learn online and shape the culture of our engineering organization.We are building mobile apps to take online learning to the next level, enabling students to create, express, and share, capture their learning journey as they go.
You may be a good fit if you:
hold yourself and the team to a high bar of engineering standards and champion best practices are not looking to be spoon-fed, take end-end ownership of products to launch through the entire lifecycle care about the quality of code, testability, and extensibility.
not only code, but understand the balance between speed, engineering, and business
are clear and concise in your communication about complex technical topics, products, and status are empathetic to a diverse group of users and peers.
Desired Experience skills:-
Passion for all things Mobile and have built complex Mobile Applications with React Native for at least 2 years.
Have shipped apps on either the iOS App Store or Android Play Store, and are intimately familiar with their workflows.
Comfortable with jest for writing unit and integration tests / appium for end-end testing.
Intuition for usability and UI design, with an ability to balance polish with the constraints oftiming and scope.
Curiosity to remain updated with the newest technologies and frameworks.
Comfort with any of WebRTC/Backend Stack/React JS is a strong plus.
Most importantly, love coding!
FULL-TIME REMOTE WORKING ALSO APPRECIATED!
We are looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.
Requirements
- You will be working with our engineers to develop and maintain high-quality mobile applications for both platforms as Android and iOS.
- Ultimately, you should be able to design and build the next generation of our mobile applications.
Job Responsibilities and Required Skills :
- Experience with React Js, React Native, JavaScript including DOM Manipulation and the JavaScript object model.
- Thorough understanding of React Native and its core Principles.
- Hands-on experience on React Native Framework at least 3 years.
- Good Knowledge of HTML5, CSS.
- Familiarity with code versioning tools (Such as Git, SVN or Mercurial)
- Familiarity with RESTful APIs
- Familiarity with modern front-end build pipelines and tools.
- Experience with common front-end development tools such as Babel, Web pack, NPM etc.
- Experience with Native Mobile app deployment on App store and google play store.
Founded by two MDI alumnus, it is a student centric and personalised learning platform that delivers enjoyable learning content as per the state boards. This ed-tech provides a solution which is easy to use, lets students enjoy learning, makes life easy for a teacher and delivers learning in the language that students are most comfortable. The organisation has worked in 14 states across India and awarded Google India under "Impacting Change through Digital".
- Taking responsibility of an end user app based product development, go-live, crash management, user management, scaling and growing an app based product, especially for iOS
- Managing developer work including app backend, reporting and analytics to be taken up and planned for both the products along with the current team.
- integrating a playstore format content library and personalization for every user via basic/ practical and easy implementations of AI
- Ensuring initial user implementation and the product roadmap is stablized.
- Owning up to all the current and future work on the product with a deep focus, creative connect, dynamic dev and learning capabilities.
- Taking a very focussed growth oriented responsibility for iOS, web and backend development for our apps and web based solutions.
- Owning an End to End app management with dev, testing, release, stability, documentation and scaling.
- 2-5 years of deep hands-on experience with react native and React JS
- End user app based experience with a decent stability and scale achieved to the apps in both android and IOS
- Knowledge of Firebase database
- An undistracted mind, an aspiration for continued learning and holistic growth in life, humility to learn and self confidence to learn and do anything
- Practical experience with React Native development, ReactJS, firebase database and server side integration/ dev.
- End user app based product experience with a decent stability and scale achieved to the apps in both android and IOS
- The work needs a techie who has the experience of dev/ product release/ stability/ analytics/ scaling up of an app based solution in react native
- someone who aspires to grow deeper and stronger into scaling up and growing the apps into the most valuable and successful solutions in our category.
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:
CONTUS
- 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.
- Strong in OOPS concepts and must know how to incorporate them in projects.
- Must have through understanding of all these android components. (Activities, Fragments, Service, Intent Service, Broadcasts, AsyncTasks, SQLite, Push Notifications)
- Must have strong understanding of data structures of the Java's Collections API. (List, Map, Set, Queue)
- Must be comfortable in writing multi-threaded and thread safe applications.
- Must be familiar with design patterns (MVP, MVVM).
- Should be comfortable using Android Profiler for tracking memory, network and cpu usage.
- Should be familiar with writing applications for portrait and landscape orientations.
- Added advantage if the candidate can code in kotlin.
- 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
MyScoot is a Y Combinator and VC funded start-up that helps you discover new people at home-hosted social events.
We are looking for an experienced React Native developer interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.
- Minimum 3 years of experience in a high-quality engineering team at a product startup or MNC
- Bachelor’s degree in computer science, computer engineering or related technical field from a top-tier college
- Proficiency in CS concepts such as data structures and algorithms
- Experience in implementing readable, object oriented code and design patterns
- Understanding of build, deployment, A/B testing of products
- Familiarity with native build tools, like XCode, Gradle, Android Studio, IntelliJ
- Understanding of REST APIs, the document request model, and offline storage
- 1+ years of experience working as a React Native Mobile Developer
PFB Job description,
Experience to - 4 yr to 7yr
Job Responsibilities :
Design, build, test and maintain scalable and stable off the shelf application or custom-built technology solutions to meet business needs
Write testable code that enables extremely high levels of code coverage
Excellent knowledge on mobile app development cycle, design principles.
Must have the understanding and working knowledge of handle different screen sizes.
Must have worked on deploying app for different platforms(ios and android).
Good knowledge on working with third-party dependencies and debugging dependency conflicts.
Skills Required:
Familiarity of working with TDD/BDD in JS.
Excellent knowledge of HTML5, CSS3, JavaScript.
Excellent knowledge on android and ios UI design principles, patterns and best practices.
Familiarity with native build tools, like XCode, Gradle (Android Studio, IntelliJ)
Excellent knowledge on background services.
Experience with offline storage, threading and performance tuning.
Experience in working with remote data via REST and JSON.
Familiarity with cloud message API and push notification










