React Native Engineer

Job Description: SDE – Mobile / Full-Stack Developer with IoT & AI Knowledge

Role: Software Development Engineer – Mobile / Full-Stack

Experience: Minimum 2 years

Work Mode: Work from Office

Employment Type: Full-time

About the Role

We are looking for an SDE with strong React Native mobile development experience, full-stack development knowledge, and a clear background in IoT-based systems.

The candidate should have hands-on experience working with mobile applications that interact with IoT devices, sensors, hardware systems, real-time device data, or cloud-based IoT platforms.

Knowledge of AI-based systems, AI integrations, automation workflows, LLMs, or AI-powered product features will be considered a strong advantage.

The ideal candidate should also have basic team-leading capability, ownership mindset, and the ability to manage technical execution with a small development team.

Key Responsibilities

• Develop and maintain mobile applications using React Native.
• Build scalable, reusable, and production-ready mobile app components.
• Integrate mobile applications with backend APIs, databases, and cloud services.
• Work on IoT-based integrations, including:
• Device-to-app communication
• Sensor data handling
• Real-time device monitoring
• MQTT / WebSocket-based communication
• Hardware-software interaction
• IoT dashboard or control system integration
• Collaborate with hardware, backend, frontend, AI, and product teams.
• Work on AI-enabled features where required, such as:
• AI-based automation
• Data analysis
• AI alerts or recommendations
• LLM/API integrations
• Smart monitoring or decision-support systems
• Lead small development tasks and guide junior developers.
• Review code, debug issues, and improve application performance.
• Participate in architecture planning and technical decision-making.
• Ensure proper documentation of mobile flows, APIs, IoT integrations, and system logic.

Required Skills

• Minimum 2 years of experience in React Native mobile development.
• Strong knowledge of JavaScript / TypeScript.
• Experience in mobile app development for Android and/or iOS.
• Hands-on exposure to IoT systems or IoT-enabled applications.
• Experience working with IoT device data, sensors, MQTT, BLE, Wi-Fi modules, embedded systems, or real-time hardware communication.
• Experience with REST APIs, WebSockets, and real-time data handling.
• Basic full-stack development knowledge using Node.js, Python, FastAPI, Express.js, or similar backend technologies.
• Database knowledge such as MongoDB, PostgreSQL, Firebase, or similar.
• Understanding of Git, debugging, deployment, and development workflows.
• Ability to lead tasks, coordinate with team members, and take ownership of delivery.

AI Knowledge — Strong Priority

Candidates with knowledge or experience in the following will be preferred:

• AI-powered applications
• LLM API integrations
• OpenAI / Gemini / Claude APIs
• AI automation workflows
• AI-based monitoring or analytics
• Computer vision or sensor-data intelligence
• Predictive alerts or recommendation systems
• AI agents or intelligent assistants
• Prompting and AI workflow design

Good to Have

• Experience with AWS IoT, Azure IoT, Google Cloud IoT, Firebase, or similar platforms.
• Experience with MQTT brokers, BLE, embedded hardware, Raspberry Pi, Arduino, ESP32, or similar devices.
• Native Android/iOS development knowledge.
• Experience building dashboards for IoT monitoring or device control.
• Prior experience in AI + IoT projects.
• Previous experience leading a small development team.

Candidate Expectations

• Must be comfortable working from office.
• Should have strong ownership and problem-solving ability.
• Should be able to work across mobile, backend, IoT, and AI-related modules.
• Should communicate clearly with both technical and non-technical teams.
• Should be disciplined with timelines, documentation, and reporting.
• Should be capable of guiding junior developers and coordinating execution.

Responsibilities

1. Cross-Platform Mobile Development

• Build, maintain, and scale production-grade React Native applications for both Android and iOS platforms from a single codebase.
• Translate product requirements and UX designs into clean, modular, and reusable React Native components.
• Develop rich, intuitive user interfaces for AI/ML dashboards, real-time analytics, and consumer-facing applications.
• Own features end-to-end — from technical design through to deployment on Play Store and App Store.

2. Native Integration & Bridging

• Write custom native modules and bridges in Kotlin/Java (Android) or Swift/Objective-C (iOS) to extend React Native's capabilities where required.
• Integrate third-party SDKs, device hardware APIs, and platform-specific features seamlessly into the React Native layer.
• Ensure consistent functionality and behaviour across a wide range of Android and iOS devices and OS versions.

3. Real-Time & Data-Driven UI

• Build real-time UI components that handle live data streams, WebSocket connections, and high-frequency data updates with minimal latency.
• Develop data-intensive views including charts, dashboards, and monitoring interfaces optimised for mobile performance.
• Ensure smooth, responsive user experiences under high-traffic and data-heavy conditions.

4. Performance & Optimization

• Profile, debug, and optimize application performance using tools such as Flipper, Hermes, React DevTools, and platform-native profilers.
• Minimize app bundle size, reduce render cycles, and improve startup time through best-in-class optimization techniques.
• Ensure accessibility compliance and cross-device UI consistency across varying screen sizes and resolutions.

5. Architecture & Code Quality

• Design and implement scalable mobile architectures supporting modularity, testability, and long-term maintainability.
• Implement robust state management using Redux, Zustand, MobX, or React Context depending on application complexity.
• Establish and uphold mobile coding standards, component libraries, and reusable design systems across the team.

6. Collaboration & Delivery

• Partner closely with backend, AI/ML, data engineering, and design teams to integrate APIs, data pipelines, and workflows.
• Actively participate in code reviews, sprint ceremonies, and technical design discussions.
• Support CI/CD pipelines using Fastlane, Bitrise, or equivalent tools for automated builds and releases.
• Contribute to OTA update strategies using CodePush or equivalent.

Required Skills & Qualifications

• Strong hands-on experience building and shipping production React Native applications on both Android and iOS.
• Proficiency in JavaScript and TypeScript — TypeScript strongly preferred.
• Experience with state management libraries — Redux, Zustand, MobX, or Context API.
• Solid understanding of React Native architecture — Bridge, JSI, Hermes engine, and the New Architecture (Fabric/TurboModules) is a plus.
• Experience writing native modules or bridges in either Kotlin/Java or Swift/Objective-C.
• Hands-on experience with REST APIs, GraphQL, and WebSockets in a mobile context.
• Strong understanding of mobile UI/UX principles, responsive design, and platform-specific design guidelines (Material Design & HIG).
• Experience with CI/CD pipelines and app store deployment processes.

Preferred Skills

• Experience building data-intensive or dashboard-heavy mobile applications.
• Familiarity with data visualization libraries such as Victory Native, Recharts, or D3.js for mobile.
• Exposure to AR/VR or graphics-intensive mobile experiences (ARKit, ARCore, React Native Vision Camera).
• Experience with OTA updates via CodePush or similar tools.
• Familiarity with monorepo setups (Nx, Turborepo) for managing shared mobile codebases.
• Understanding of accessibility standards (WCAG) and inclusive design on mobile.
• Exposure to AI/ML integration on mobile — on-device inference, TensorFlow Lite, or CoreML.

Job Description: React Native App Developer

Company: Arroz Technology Private Limited

CTC: 3.5-5 LPA

ESOP

Working Hours : 9:30 AM to 6:30PM

Working Days : 6 Days a Week (1 day Work from Home in a week)

Location : 4thFloor ,TMR Tower ,Whitefield, Thubarahalli, Bengaluru, Karnataka 560066, India

Google Map Links :  https://goo.gl/maps/YbhYeNy8ahLqVykS7

Responsibilities:

- Develop and maintain high-quality mobile applications using React Native.

- Collaborate with cross-functional teams to gather requirements and translate them into high-level designs.

- Write clean, reusable, and well-structured code following industry best practices and coding standards.

- Conduct code reviews and provide constructive feedback to ensure code quality and adherence to standards.

- Mentor and guide junior developers, providing technical expertise and promoting professional growth.

- Collaborate with backend developers to integrate APIs and ensure smooth data flow between the app and server.

- Stay updated with the latest trends and advancements in React Native and mobile app development.

- Work in a 9:30 AM to 6:30 PM, six-day office role, maintaining regular attendance and punctuality.

Required Skills and Qualifications:

- Strong proficiency in React Native development.

- Experience with Redux or similar state management libraries.

- Proficiency in integrating APIs and working with backend services.

- Sound knowledge of JavaScript, ES6+, and modern web technologies.

- Familiarity with Git version control system and agile development methodologies.

- Good problem-solving and debugging skills.

- Excellent communication and teamwork abilities.

- Bachelor's degree in Computer Science or a related field (preferred).

Join Arroz Technology Private Limited as a React Native App Developer and be part of an innovative team driving the development of cutting-edge mobile applications. This role offers competitive compensation and growth opportunities within a dynamic work environment.

Are you a driven React Native Full Stack Mobile Developer looking for your next challenge?

We area a growing global technology partner is looking for a skilled React Native Full Stack Mobile Developer to join their Technology and Development team.

If you're eager to showcase your expertise and collaborate with a talented group of engineers, this role is perfect for you!

We stand at the forefront of technology innovation, catering cutting-edge solutions to clients spanning diverse sectors. With a strategic emphasis on finance, banking, and corporate verticals, they're known for their excellence in delivery. We are seeking a senior developer to join their global projects team.

About the position.

The Senior React Native Full Stack Mobile Developer candidate will have a strong background in building mobile applications and will be proficient in front-end (React Native) and back-end development.

In addition to technical expertise, the candidate should have experience in testing, browser testing, and thorough documentation practices.

As a senior member of the mobile development team, you will play a critical role in designing, developing, and maintaining mobile applications that provide exceptional user experiences.

Key Responsibilities:

• Mobile Application Development: Design, develop, and maintain mobile applications using React Native for iOS and Android platforms.
• Full Stack Development: Work on both the front-end and back-end components of mobile applications, including server-side development using Azure (or other Cloud Platforms) and MongoDB (or other relevant experience)
• Testing and Quality Assurance: Develop and execute comprehensive test plans, including unit testing, integration testing, and browser testing, to ensure the reliability and functionality of mobile applications.
• Cross-Browser Compatibility: Conduct cross-browser testing to ensure consistent functionality and appearance of web-based components.
• Documentation: Create and maintain detailed technical documentation, including code comments, API documentation, and development guides.
• Code Review and Collaboration: Collaborate with team members to conduct code reviews, provide constructive feedback, and ensure code quality and consistency.
• Performance Optimization: Identify and address performance bottlenecks in mobile applications and back-end services to optimize speed and responsiveness.
• Security and Data Protection: Implement security measures and best practices to protect user data and maintain compliance with data protection regulations.
• Scalability and Maintenance: Design systems and architectures that are scalable and maintainable as applications grow and evolve.
• Stakeholder Communication: Collaborate with cross-functional teams and effectively communicate technical concepts to non-technical stakeholders.

Qualifications:

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
• Proven 3+ years experience as a Mobile Developer with expertise in React Native for mobile application development both with iOS and Android platforms.
• Full stack development experience, including back-end development using Azure and MongoDB.
• Proficiency in front-end technologies, including HTML, CSS, and JavaScript.
• Strong testing skills, including unit testing, integration testing, and browser testing.
• Extensive experience in mobile application design and development.
• Solid understanding of cross-browser compatibility and responsive design principles.
• Thorough documentation practices and ability to create technical documentation.
• Excellent problem-solving and analytical skills.
• Strong communication and collaboration skills to work effectively in a distributed team-oriented environment.
• Commitment to security and data protection best practices.

We offer an exciting and professional environment with excellent career and growth opportunities. They provide their team members with a professional work environment with regular team outings. Their office is located in the heart of Salt Lake Sector V, Kolkata offering a terrific workspace that's both accessible and inspiring. Joining the team means becoming part of this vibrant and dynamic team where your skills will be valued, your creativity will be nurtured, and your contributions will make a difference. In this role, you can work alongside some of the brightest minds in the industry.

Onsite Office Location: Kolkata, India (Salt Lake, Sector V)

Designation: Sr. Software Engineer – React Native

Work Location: Chennai/Bangalore

Experience: 

• 4 - 8 years of experience in development with minimum 2 years in react native.

Description:

• Should have min 2+ years of Hands-on experience in React Native development.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux
• Experience with JavaScript, Typescript, CSS, HTML5 and front-end languages.
• Good understanding of Android/ iOS design guidelines, SDK.
• Exposure to building React Native components in native iOS and Android.
• Solve complex technical, scalability or performance challenges.
• Familiarity with code versioning tools such as Git, SVN, Gitlab.

Educational Requirements:

B.E/B.Tech (CS/IT/ECE), MSc (CS), MCA