React Native Developer

Job Title: Consultant – Enterprise Application Development

Location: Bengaluru (Hybrid / On-site)

Engagement: Full-Time

Experience: 10 – 15 years preferred

About Us: Introducing VTT, a comprehensive mobility service provider catering to diverse multinational sectors like IT/ITES, KPO/BPO, Financial, Pharma, and more across Indian cities. Our “Managed Mobility Program” includes Fleet Management, Technology, Resource Management, Car Rentals, Logistics, and Special Services (Ambulance and PWD vehicles). Trusted by Fortune companies such as Cisco, Morgan Stanley, Wells Fargo, Google, PWC, and others, we pride ourselves on leveraging expertise and cutting-edge technology for safe, efficient, and uninterrupted service delivery. With a commitment to excellence, we ensure best-in-class standards for all our clients. Trip to school is now timely, comfy and secure! Our well maintained f leet is here to enrich your child’s commute, keeping students punctual and safe thanks to GPS tracking paired with well-trained drivers. Our routes are carefully planned, our drivers attentive, and everything hassle-free.

Role Overview

We are looking for a seasoned Consultant with comprehensive expertise in enterprise-level application development across backend, frontend, mobile, DevOps, and cloud. The role demands a strong architectural mindset combined with hands-on execution. The Consultant will also play a critical role in understanding the current system architecture end-to-end, driving technical improvements, building the tech team foundation, and establishing structured technical documentation.

Key Responsibilities

• Understand the complete architecture of the existing systems, including web, mobile, backend services, and cloud environment.

• Provide hands-on leadership across backend, frontend, mobile, DevOps, and cloud infrastructure.

• Architect and optimize enterprise-grade applications for scalability, security, performance, and reliability.

• Conduct technical due diligence on current systems and propose improvements or refactoring plans.

• Build the foundation for the internal engineering team including hiring support, role definitions, and best-practice processes.

• Drive engineering workflows including coding standards, branching strategy, CI/CD, monitoring, and release management.

• Create comprehensive technical documentation covering system architecture, API specs, deployment playbooks, and SOPs.

• Review code and provide mentorship to engineering resources.

• Coordinate with product and business teams to translate requirements into technical design and actionable development roadmap.

• Troubleshoot and resolve deep-stack issues during development or production.

Technical Expertise Required

Backend

• Java / Spring Boot

• Node.js

•Microservices architecture

• REST / GraphQL

Frontend

• React js

• Responsive UI, component-based architecture, state management

Mobile

• Flutter

• React Native

Cloud & DevOps

• AWS (ECS / EKS / EC2 / RDS / Lambda / S3 / IAM / CloudWatch etc.)

• CI/CD pipelines (GitHub Actions / Jenkins / GitLab CI or equivalent)

• Docker / Kubernetes

• Infrastructure-as-code (Terraform / CloudFormation)

Database

• MongoDB

• Knowledge of PostgreSQL / MySQL is an added advantage

Professional Attributes

• Strong architectural thinking with the ability to simplify complex systems.

• Excellent communication and stakeholder management skills.

• Ability to work independently without constant supervision.

• Capability to mentor, lead, and build an engineering team from scratch.

• Process-driven mindset with a focus on best practices and documentation.

Deliverables

• Architectural understanding and documentation of current systems.

• Recommendations and implementation plan for system upgrades or restructuring.

• Establishment of core engineering processes and standards.

• Hiring support and technical evaluation of developers.

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.

• Design, build and maintain efficient, reusable, and reliable code
• Development of UI elements and Integration with APIs
• Identify bottlenecks and bugs, and devise solutions to these problems
• Help maintain code quality, organization, and automatization
• Ensure high performance and responsiveness of requests.
• Must be able to write solutions that scale
• 3 - 4 years of full-time work experience in React Native
• Self-motivated with excellent work ethics
• Experience in React Native bridging concepts
• Experience with Typescript.
• Have developed and published apps for either Android or iOS.
• Design, development, coding, testing and debugging skills
• Knowledge of version and revision control practices and procedures
• Knowledge of prototyping and rapid development techniques
• Strong verbal and written communication skills Desired Candidate
• State management in mobile applications
• Security methodologies in mobile application development
• Experience with offline storage, and performance tuning
• Experience working on plugin integration.
• Optimize code for performance and scalability
• Deployment of apps on App Store / Play Store
• Collaborate with cross-functional teams to define, design, and ship new features
• Experience working with remote data via REST and JSON
• Experience with third-party libraries and APIs
• Proficient understanding of code versioning tools such as GIT
• Ensure the technical feasibility of UI/UX designs
• Can work well independently as well as in a team
• Flexible to work in any mobile technology
• Understanding of Agile development methodologies
• Interacting with Business Analysts, SMEs to understand the Business Processes and Business Rules
• Familiarity with native build tools, like Xcode, Gradle ( Android Studio, IntelliJ)
• Strong mobile development experience, including integration with Native Modules and custom iOS/Android SDKs
•  

• FDesign and implement user interface components for JavaScript-based web and mobile applications using React ecosystem

• Build app and UI components from prototypes and wireframes

• Stay updated with new updates, technologies, and news of React Native

• Strong verbal and written communication skills to communicate strategy

Skills That Will Help You In The Role

Must-Have Skills: React web and mobile along with tools like Flux, Flow, Redux, etc.

Good to Have:  JavaScript, CSS, HTML, functional programming, and front-end languages

4+ years of experience in web technologies & React Native.

Mandatory: Problem solving, Team player, Target & Result oriented Passionate about sports.

Functional: JavaScript, JavaScript Object Model, React Native, Native Build Tools, XCode and Android Studio, React Native workflows (such as Context or Redux and Redux Thunk Middleware), Maintaining Reusable Components and Libraries, Animations and Transitions, Integrate Third-Party APIs, GIT & JIRA.

KEY RESPONSIBILITIES:

• Coding and debugging pure JavaScript, polyglot and multi-lingual applications.
• Working closely with Technical Lead/Project Manager to ensure development timelines are met.
• Contribute with ideas to improve system design or streamline product delivery.
• Working with challenging applications involving Real-Time Data.
• Working on different platforms including the usage of the Native SDKs provided on JavaScript.