React Native Developer

Frontend Engineer – Admin Console & Workflow Studio

Responsibilities

• Build responsive UI in React / TypeScript / Tailwind CSS.
• Implement a visual workflow composer (drag-and-drop DAG builder).
• Integrate data from telemetry, governance, and Kernel APIs into rich dashboards.
• Optimize for accessibility, performance, and enterprise responsiveness.

Requirements

• 4 + years frontend engineering.
• Deep experience with state management (Redux / Zustand) and API integration.
• Eye for UX and interaction design for technical admin users.

Strong React Native Frontend / Mobile Developer Profile

Mandatory (Experience 1) – Must have minimum 5+ YOE in React Native with JavaScript (including ES6+ syntax).

Mandatory (Experience 2) – Must have 4+ years of hands-on native mobile development experience for both Android and iOS platforms

Mandatory (Skills 1) – Must have expertise in state management using React Hooks & Redux for efficient data flow.

Mandatory (Skills 2) – Must have experience in publishing apps to Play Store and App Store.

Mandatory (Education) - B.E / B.Tech

Company

Stackera is a leading Fintech Development Services company located in Pune. We are dedicated to delivering quality and innovative solutions to our clients with seamless service.

About the Role

We are looking for a Frontend Developer who is highly skilled in Next.js and modern JavaScript frameworks to join our frontend engineering team. This role is ideal for someone who is passionate about building user-friendly interfaces that are fast, responsive, and scalable.

You’ll be working on high-impact fintech products that require both technical excellence and creative thinking. Your work will directly influence user experience and engagement across a range of web applications, including financial dashboards, analytics platforms, and client portals.

What You’ll Do

• Design, develop, and maintain modern web applications using Next.js, React.js, and associated technologies.
• Collaborate with cross-functional teams including backend developers, UI/UX designers, and product owners.
• Translate UI/UX design wireframes into high-quality code with pixel-perfect accuracy.
• Build responsive, accessible, and cross-browser compatible components.
• Optimize application performance for speed, scalability, and usability.
• Integrate front-end logic with RESTful APIs and real-time systems (e.g., WebSockets).
• Write clean, reusable code and maintain clear documentation.
• Participate in sprint planning, daily stand-ups, and code reviews to ensure continuous improvement.
• Ensure security best practices in frontend implementation.

Required Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• 5+ years of hands-on experience in frontend development using Next.js and React.js.
• Proficient in Redux, Hooks, Context API, and component-based architecture.
• Solid understanding of HTML5, CSS3, JavaScript (ES6+), and responsive design principles.
• Experience building high-performance web applications with real-time data updates.
• Familiarity with frontend testing frameworks like Jest, Cypress, or similar.
• Ability to work in an agile environment with CI/CD processes.

Preferred (Good to Have)

• Exposure to Web3 technologies
• Experience with Ethereum, Solana, or other blockchain ecosystems.
• Understanding of containerized deployment using Docker.
• Familiarity with CI/CD tools like GitHub Actions, Jenkins, or GitLab CI.

What We Offer

• A collaborative and supportive team environment
• Exposure to cutting-edge projects in fintech and emerging tech
• Freedom to innovate and bring ideas to life
• Competitive compensation and performance-based growth
• Flexible work hours and focus on work-life balance

What will you do?

• Developing new user-facing features using React & Redux

• Build modular layouts, reusable code and libraries for future use

• Refactor, optimize and improve the existing code base for maintenance and scale

• Use test-driven development and acceptance tests to ensure feature quality

• Design and implementation of low-latency, high-availability, and performant applications

• Optimize application for maximum speed and scalability

• Work closely with back-end developers to make sure the user experience is implemented as it was conceived

Skills Required

• Strong proficiency in JavaScript, object model, DOM manipulation and event handlers, data structures, algorithms, JSX, and Babel

• Complete understanding of ReactJS and its main fundamentals like JSX, Virtual DOM, component lifecycle, etc.

In-depth understanding of redux

• Understanding of RESTful APIs, HTML/CSS, ES6 (variables and scoping, array methods), code versioning tools like GIT, and NPM

• Good understanding of Promises, Async/ Await and Callbacks

• Should have good knowledge of Socket

• Understanding the nature of asynchronous programming and its quirks and workarounds

• In-depth knowledge of object-oriented programming

• Understanding of JavaScript Development on the server side using NodeJS and Express would be a plus

• Knowledge of ES6 would be a plus

• Should have good hands-on experience on MongoDB, designing optimized database structures using MongoDB and writing optimized queries for better performance

Not just a delivery company…

RaRa Delivery is revolutionising instant delivery for e-commerce in Indonesia through data driven logistics.

RaRa Delivery is making instant and same-day deliveries scalable and cost-effective by leveraging a differentiated operating model and real-time optimisation technology. RaRa makes it possible for anyone, anywhere to get same day delivery in Indonesia. While others are focusing on ‘one-to-one’ deliveries, the company has developed proprietary, real-time batching tech to do ‘many-to-many’ deliveries within a few hours.. RaRa is already in partnership with some of the top eCommerce players in Indonesia like Blibli, Sayurbox, Kopi Kenangan and many more.

We are a distributed team with the company headquartered in Singapore 🇸🇬 , core operations in Indonesia 🇮🇩 and technology team based out of India 🇮🇳

Future of eCommerce Logistics.

• Data driven logistics company that is bringing in same day delivery revolution in Indonesia 🇮🇩
• Revolutionising delivery as an experience
• Empowering D2C Sellers with logistics as the core technology

A section describing benefits and life at your company is a great way to attract talent.

1. Architect, build, and maintain excellent React Native applications with clean code.
2. Implement pixel-perfect UI's that match designs.
3. Implement clean, modern, smooth animations and transitions that provide an excellent user experience.
4. Integrate third-party APIs.
   1. Work as part of a small team to build applications.
5. Write unit and integration tests.
6. Release applications to IOS and Google Play stores.
7. Work with native modules when required.
8. Work as part of a small team, which will include other React Native developers, a project manager, QA professional, and designer.
9. Complete two-week sprints and participate in sprint retrospectives and daily standups.
10. Assist with building estimates.
11. Interface with clients via Slack, Zoom, and email.
12. Track your time throughout the day using Toggle.
13. Work with modern tools including Jira, Slack, GitHub, Google Docs, etc.
14. Be part of a community of React Native developers who share knowledge and help each other as problems arise

• 4+ years experience working as a react.js developer.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Experience with user interface design.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.
• Good project management skills.

• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.
• Identifying web-based user interactions.
• Developing and implementing highly responsive user interface components using react concepts.
• Writing application interface codes using JavaScript following react.js workflows.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates

Job Description

• Should be proficient with core object oriented JavaScript
• Ability to build full stack application using React/Node/Mongo or any other DB
• React Js
• Redux
• Bootstrap & Responsive design concept with HTML5/CSS3 ideas
• npm/nvm concept and hands on experience on usage
• Git as version control tool
• Clear idea of REST API and ability to read API docs and integrate independently

About Senrya Technologies Pvt.Ltd. –

We are a full-stack avant-garde product organization with its roots in East India (Kolkata) and expanse in North East, Maharashtra, Gurgaon, Karnataka and has made Kolkata from backwaters of IT to a live-wire hub of innovation.  We blend innovation and next-gen technologies with rich experience of more than a decade and undaunted ambition with the primary objective to build highly scalable solutions that will impact a billion lives. 

Senrysa group of companies includes three business verticals that contribute to our success story - Fintech, Retailtech, Healthtech. The growth trajectory of Senrysa has been 100% every passing year.

Fintech - We are one of the leading Fintech organization in financial inclusion with innovative ICT solutions. Senrysa Technologies was an early adopter of the India Stack and has pioneered the Aadhaar Enabled Payment System under the flagship of the business correspondent model for masses and has acquired more than 30 million customers till date under this initiative. We take pride in been granted RuPay Certification from NPCI. Senrysa has diversified client base from Public Sector Bank, Private Bank, Regional Rural Bank to Co-operative Banks across India.

Retailtech - NDHGO is an AI-enabled B2B  online ordering platform that empowers small and medium businesses to go online in less than a minute thereby offering unorganized retail players a level playing field to compete with organized aggregators. It will also enable them to sell and market their product offerings online with zero commission. We aim to develop a sustainable online ecosystem for the stores and make their presence digitally discernible and accelerate customer engagement with a mobile first approach and simplicity of adoption where retailers can list their products from the NDHGO Catalogue Builder and share the link to their store with customers through WhatsApp and trending Social Media.  Please refer attached presentation for a quick overview.

Healthtech

Understanding the dire need for new practices and procedures and to ensure that quality and timely healthcare reaches every corner of India, we are into Healthcare. We are developing the most advanced IoT based telemedicine devices, this would advent smart health practices that would help improve quality, increase access and affordability.

Benefits:
Competitive Package
Esops
Retention Bonus
Joining Bonus
Relocation Bonus
Higly skilled team members with vast knowledge & expertise

We are looking for a skilled React.js Developer to join our front-end development team. In this role, you will be responsible for developing and implementing user interface components using React.js concepts and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.

To ensure success as a React.js Developer, you should have in-depth knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive web applications. Ultimately, a top-class React.js Developer should be able to design and build modern user interface components to enhance application performance.