React Native Developer at Psych X86 Technologies · Remote only · 0 - 3 years · ₹5L - ₹6L / yr (ESOP available) · Bootstrapped · Remote only · Posted 5 Apr 2021

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.
Responsibilities
- 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.
Skills
- Firm grasp of the JavaScript (and TypeScript or ClojureScript) language and its nuances, including ES6+ syntax
- 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)
- Understanding of REST APIs, the document request model, and offline storage
- Experience with automated testing suites, like (Jest or Mocha)

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Job Requirements :
- Candidate should have 2-5 years of regular working experience.
- Must have expertise in React js, Redux, MongoDB, MySql, NoSQL.
- Must have done multiple projects using React js, Redux, with Cross browser/device compatibility.
- Good knowledge of events handling in client-side and server-side.
- Good knowledge of code versioning tools, such as Git/bitbucket
- Good logical and mathematical programming skills.
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
• Development of react native app, working across the technological stack.
• Create reusable, effective, and scalable React Native code.
• Strong understanding of design methodologies to deliver high quality software fast.
• Work individually and closely with other members of the team during code sprints to
deliver a complete end-to-end solution.
• Articulate project status to other team members and management.
• Participate in brainstorming sessions and contribute ideas to our technology,
algorithms and products.
• Work with the product and design teams to understand end-user requirements,
formulate use cases, and then translate that into a pragmatic and effective technical
solution.
Qualifications
• Sharp analytical abilities, proven design skills, excellent communication skills
experience handling the independent execution with minimal guidance, prior hands on
experience or understanding on working with Javascript, React & React Native.
• 1 years experience with react native.
• Must be from Tier 1 University.
• Ability to replicate the designs communicated by the lead designer effectively and
within the expected timeline.
Benefits
• Health insurance with 100% premium covered extending to your parents/spouse.
• Office Cab.
• Annual company retreat & monthly team-outings
Job Title: Senior React Native Developer
Location: Bangalore / Noida
Employment Type: Full-Time Job
Description: As a Senior React Native Developer, you will be responsible for architecting, building, and maintaining high-quality mobile applications. You will collaborate with cross functional teams to deliver solutions that align with the overall product architecture, ensuring smooth integration across different layers of the infrastructure. You will play a key role in the end to-end development process, from concept to deployment, while maintaining the highest standards of code quality.
Key Responsibilities: -
- Take ownership of the entire development lifecycle including analysis, functional decomposition, modelling, prototyping, code review, testing, deployment, and reporting for project deliverables.
- Maintain and optimize code while writing automated tests to ensure product quality and performance.
- Ensure timely and high-quality delivery of product releases.
- Provide accurate technical effort estimates to assist in project planning and resource allocation.
- Participate in the technical recruitment process as part of the interview panel.
- Collaborate with clients, senior business leaders, and technology teams to ensure effective communication and project alignment.
Required Skills & Experience:
- 5 - 8 years of experience in mobile application development.
- 4+ years of hands-on experience developing with React Native.
- Strong proficiency in JavaScript (ES6), React Native, CSS, and JSON.
- Familiarity with Java and experience with both Android and iOS platforms.
- Solid understanding of the mobile ecosystem, including performance optimization and monitoring.
- Deep knowledge of Native Components, Core Components, and React Native libraries.
- Experience building scalable mobile apps, with an understanding of mobile architecture and best practices.
- Expertise in debugging, root cause analysis (RCA), and problem-solving.
- Ability to multitask effectively, manage deadlines, and work under pressure.
- Strong analytical thinking, and confidence in engaging with clients and senior stakeholders.
Preferred Qualifications:
- Experience working in agile development environments.
- Familiarity with CI/CD pipelines and version control systems (e.g., Git).
- Knowledge of mobile performance optimization techniques. Mandatory Skills:
- React Native, JavaScript (ES6), CSS, Android/iOS Development.
- Understanding of cross-platform design principles.
- 2+ years of mobile software development experience. 1+ years of iOS and Android development experience with React Native.
- Good Experience in JavaScript, Typescript and React Native, strong familiarity with native mobile application development either Android or iOS.
- Solid understanding of mobile development concepts; APIs consumption, power optimization, user interaction design, application security.
- Coding for the mobile environment, experience integrating third-party SDKs into apps.
- Application lifecycle management with both Apple App Store and Google Play store.
- Superior critical thinking, analytical, evaluation, and problem-solving skills.
- Self-directed and proactive, work collaboratively with team members and independently; thinks beyond the immediate problem.
- Experience using Flutter and Firebase
- Experience using mobile testing frameworks and methodologies
- Familiarity with Material UI (or similar)
- Familiarity with UX testing and user research
We are looking for a highly skilled computer programmer who is comfortable with both front and backend programming. Full stack developers are responsible for developing and designing frontend web architecture, ensuring the responsiveness of applications, and working alongside graphic designers for web design features, among other duties.
Fullstack developers will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.
Full Stack web developer responsibilities:
Developing frontend website architecture.
Designing user interactions on web pages.
Developing back-end website applications.
Creating servers and databases for functionality.
Ensuring cross-platform optimization for mobile phones.
Ensuring responsiveness of applications.
Working alongside graphic designers for web design features.
Seeing through a project from conception to finished product.
Designing and developing APIs.
Staying abreast of developments in web applications and programming languages.
We're looking for developers to own, code & ship mobile games at rocket speed. It's a fast-paced, high-adrenaline job, with plenty to learn and build. If you're quick to pick up new tech, never satisfied with what you build, and like a new challenge every day, you'll love this job.
Requirements:
- Experience with React Native & JavaScript including JavaScript object model.
- Thorough understanding of React Native and its core Principles.
- Hands on experience on React Native Framework at least 2 years.
- 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 Native Mobile app deployment on App store and google play store.
Recently Expertrons raised a funding of $2.3 Mn in the Pre Series A round witnessing investors like Yoga Capital, Venture Catalysts, Auxano Capital, and existing investors LetsVenture, Ivycap Ventures, Iceland Venture Studios, Nikhil Vora (MD, Sixth Sense), and more.
Website: https://www.google.com/url?q=https://www.expertrons.com/&sa=D&source=editors&ust=1631950825698000&usg=AFQjCNFCoCaaD7frYki2BSeoIJzz6I2vPg">https://www.expertrons.com/
Expertrons Android App: https://www.google.com/url?q=http://bit.ly/expertrons&sa=D&source=editors&ust=1631950825698000&usg=AFQjCNGr1Bo5eUtUIWjh4G8T4tsd6qX_5g">bit.ly/expertrons
Product Demo Video: https://www.google.com/url?q=https://bit.ly/3sFG0G1&sa=D&source=editors&ust=1631950825698000&usg=AFQjCNF-iEhouSY9TgHhOv4AjmfF-cHuzw">https://bit.ly/3sFG0G1
Watch Explainer Video: https://www.google.com/url?q=https://bit.ly/3zeBmRM&sa=D&source=editors&ust=1631950825698000&usg=AFQjCNEqsN64fIfiCnIUouVZaPpT2fyoog">https://bit.ly/3zeBmRM
Responsibilities and Duties
1. Build pixel-perfect, buttery smooth UIs across both mobile platforms
2. Strong knowledge of React workflows (such as Flux or Redux)
3. Implement clean, modern, smooth animations and transitions that provide an excellent user experience
4. Integrate third-party APIs
5. Release applications to IOS and Google Play stores
6. Ability to work through new and difficult React Native issues and contribute to libraries as needed
7. Ability to create and maintain continuous integration and delivery of React Native applications
8. Experience with code optimization and performance improvements
9. Experience in Mongo DB, Node JS, AWS is a plus
10. Strong knowledge of GIT
Required Skills:
1. Strong Algo/DS/Troubleshooting/Problem solving skills & analytical skills
2. Database - React Native, Redux, NOSQL, Redux Saga, Flux, Angular
You can apply for the position
1. Prefered available for full-time in-office employment (Office Location - Andheri, Mumbai)
2. Prefered work from office
3. Prefered Can join immediately.
4. Prefered a personal laptop
5. Have the relevant skills and interests
Rewards:
1. Entrepreneurial Exposure
2. Letter of Recommendation
3. Become a part of an elite group of innovators
4. ESOP opportunity based on Interview interaction
5. Grow up to 10X in 3 years
The idea is not to live forever, but to create something that will!
Be a part of our growing team and climb up the ladder of success. So, if you have the expertise, skills, quirks that can help you add value to Expertrons, then apply with us, now!
Let's explore synergies foreseeing 10X+ growth in our converging paths!
- Architect, build and maintain excellent React Native applications with clean code.
- Implement pixel perfect UI's that match designs.
- Implement clean, modern, smooth animations and transitions that provide an excellent user experience.
- Integrate third-party API's.
- Write unit and integration tests.
- Release applications to the Apple and Google Play stores.
- Work with native modules when required.
- Work as part of a small team, which will include other React Native developers, a project manager, QA professional, and a designer.










