
React Native Developer
at Online trading platform well funded and rapidly growing
Our client's Mobile app has been downloaded by more than 15 million users. Daily, more
than a million users login to the application. As a fast growing company, we are
preparing for a future of tremendous growth and disruption in finance. We are looking
for a React Native developer (SDE2) interested in building performant mobile apps on
both the iOS and Android platforms. The incumbent will be responsible for architecting
and building the 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.
● 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.
● Participating in SDLC processes streamlining, POC development, Functional
Estimation, Performance Tuning, Environments setup, etc.
● Adherence and promoting best development practices that ensure high
quality
● Ability mentor junior developers and actively contribute to code reviews and
improve the code base for scale and maintainability
● Hands-on experience in Android/iOS app development via React-Native
● Experience in Build systems and Deployment processes
● Experience in writing unit testing code with libraries like Jest, Enzyme , Jasmine, Mocha, etc.
● Excellent problem solving, debugging, and troubleshooting skills.
● An avid follower of the best practices, optimization strategies, and design patterns
● Knowledge of RN available inbuilt UI components and the props those UI components accept.
● Good knowledge of monitoring and tracking down app crashes and bugs using advanced tools
● Experience in profiling tools in Xcode and Android Studio
● Experience in 3rd party services integration
● Knowledge of architectures, trends and emerging technologies

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Responsibilities:
- Develop and maintain mobile applications using React Native.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Ensure the performance, quality, and responsiveness of applications.
- Identify and fix bugs and performance bottlenecks.
- Write clean, maintainable, and testable code.
- Integrate third-party APIs and libraries.
- Stay updated with the latest industry trends and technologies.
Required Skills:
- Proficiency in JavaScript and React.
- Experience with React Native and its ecosystem.
- Understanding of mobile app development (iOS and Android).
- Familiarity with RESTful APIs and integration.
- Knowledge of version control systems (e.g., Git).
- Problem-solving skills and attention to detail.
Looking for React Native 6 to 8 years of experience
• Has built at least 2 React Native Apps ( Concept to Design to Dev to Production to
Refine ) or atleast 1 App from Scratch individually.
• Has Managed a team of atleast 3 developers to build mobile apps/modules.
• Understand mobile app design principle
• Can debug app and troubleshoot issues
• Can write testable code / module
• Has worked on app performance improvement
• Has taken security considerationwhile building app(s)
• Added advantage if has worked on Firebase,FCM and Redux.
Experience of design and development of Enterprise grade Mobile application
Hands on experience in performance tuning, debugging, monitoring
Experience designing clean and maintainable APIs
Experience with multithreaded programming, reusable frameworks, UI components, Android Jetpacks
tools and optimization techniques
REST API based web service and other system integration, web service integration,
Preferably have working experience of technologies like webRTC, ReactJS, NodeJS, JSON, Other hybrid
application development platform
Previous experience of developing VoIP based solution, live streaming/video calling based application
Nice to have: experience on Server side technologies like: J2EE, PHP. RDBMS knowledge on
MySQL/Oracle; Other associated technologies like: Git, JIRA, AWS technologies, Linux; Agile development
methodologies; Design Patterns like: MVC, MVVM ; Knowledge on various Security standards
DevOps understanding is a plus.
Previous experience of working in Product/Solution development or Start-ups will be added advantage
Domain Knowledge: Health care
Good Communication skil
--Responsibilities--
- Translate designs and wireframes into high quality code
- Design, build, and maintain high performance, reusable, and reliable Java code
- Ensure the best possible performance, quality, and responsiveness of the application
- Identify and correct bottlenecks and fix bugs
- Help maintain code quality, organization, and automatization
--Skills--
- Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
- Familiarity with RESTful APIs to connect Android applications to back-end services
- Strong knowledge of Android UI design principles, patterns, and best practices Experience with offline storage, threading, and performance tuning
- Knowledge of the open-source Android ecosystem and the libraries available for common tasks
- Ability to understand business requirements and translate them into technical requirements
- Familiarity with cloud message APIs and push notifications
- Understanding of Google’s Android design principles and interface guidelines Proficient understanding of code versioning tools, such as Git
- Familiarity with continuous integration
Rejolut is one of the award winning fastest growing emerging tech company which is working on leading technology like Blockchian, ML & AI, Complex mobile & web apps, IoT etc.
The ideal candidate will be responsible for developing highly scalable and secure code.
Responsibilities:-
-Able to take the Extreme Ownership of modules/product/projects
-Able to learn & implement new technology/framework/library at God Speed
-Able to come with optimal solution for the business problem
-Can handle calls with the client & customer to know their feedback
-Writing clean code & able to dig into other's code or open source code
-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.
-Maintain code and write automated tests to ensure the product is of the highest quality.
-Transition existing native apps to Flutter
Desired Candidate Profile:-
-Knowledge of (functional or object-oriented) programming
-Ability to write well-documented, clean Javascript code
-Rock solid at working with third-party dependencies and debugging dependency conflicts
-Familiarity with native build tools, like XCode, Gradle (Android Studio, IntelliJ)
-Understading of BLOC Patterns
-Strong knowledge & experience in Dart is mandatory.
-Strong attention to detail in UX & interactions.
-Strong experience with Flex CSS styling.
-Strong experience in SQLfLite & Firebase messaging is required.
-Experience in releasing Android and iOS App store
Culture
- Fast-paced, intellectually stimulating, steep learning, and growth
- Close-knit, hardworking, supportive colleagues
- Challenging work
- Flat organization with no hierarchy
- If you like problem solving, and love latest technology, there are very few better places
How we are different
-We are young and dynamic team who are obsessed with solving business problem at scale -We are a technology agnostic company who focus more on finding the optimal solution to business problem rather than technology
Why to join us
-We provide huge learning curve. Spending 1.5-2 years with us will put you 3 years ahead in the career
-We work only on cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, ELM
-There are two technology Co-founder in the company ho are pretty much hands-on and have earlier bult the Consumer application which is downloaded millions of time and are in leadership position in copanies like Samsung, Purplle, Loylty Rewardz
-Get mentored by the best in the industry
-Flexible working hours
-Perks best in the industry
The ideal candidate will be responsible for the technical design and implementation of new products and enhancements. They will work in all phases of the development cycle: concept to implementation.
Responsibilities
- Perform full life-cycle development
- Adhere to agreed upon delivery schedules
- Utilizes source control, continuous integration, and unit testing best practices
- Work cross-functionally to define and write code for new features
Qualifications
- Bachelor's degree or equivalent in Computer Science
- 2+ years' experience in related area
- Experience with iOS and Android platforms

