Senior Frontend Developer - ReactNative

Key Responsibilities

• Develop new user-facing features using React.js and related libraries.
• Build reusable components and front-end libraries for future use.
• Translate designs and wireframes into high-quality, responsive code.
• Optimize components for maximum performance across a variety of web-capable devices and browsers.
• Collaborate with designers, product managers, and backend developers to deliver seamless user experiences.
• Debug and fix performance and UI issues.
• Write clean, maintainable, and testable code.
• Stay up-to-date with the latest trends and best practices in front-end development.

Required Skills & Qualifications

• Strong proficiency in JavaScript (ES6+), React.js, and Redux (or similar state management libraries).
• Experience with HTML5, CSS3, SASS, and responsive design principles.
• Familiarity with RESTful APIs and JSON.
• Understanding of Git and version control workflows.
• Knowledge of Webpack, Babel, or similar build tools.
• Good understanding of component-based architecture and front-end design patterns.
• Excellent problem-solving and debugging skills.
• Strong communication and teamwork abilities.

Preferred Qualifications (Nice to Have)

• Experience with TypeScript.
• Familiarity with Next.js, React Query, or React Router.
• Experience with Unit Testing frameworks (Jest, Enzyme, React Testing Library).
• Basic knowledge of Node.js or Express.js.
• Familiarity with CI/CD pipelines and DevOps tools.
• Exposure to Agile/Scrum methodologies.

🌟 About Us:

We create AI solutions for hospitals, combining scientific rigor with startup agility.

iON Health's SmartAI is an AI-powered tool developed to help clinicians interact with a patient's medical record using natural language, transforming how healthcare providers access and synthesize clinical data

Founded by serial entrepreneurs with more than 15 successful exits, we offer the opportunity to work alongside elite engineers, clinicians, and product innovators to improve the health of millions of patients each year.

🎯 What We’re Looking For:

• 7+ years of experience with React.js (front-end) and Node.js/Express (back-end).
• Solid understanding of relational and NoSQL databases (e.g., PostgreSQL, MongoDB).
• Experience with cloud platforms (AWS/GCP/Azure) and CI/CD pipelines.
• Comfort working in fast-paced, ambiguous environments with high ownership.
• Prior experience in AI/ML, healthcare, or enterprise software.
• Must Have: Bachelors in Engineering from IIT/NIT/IIIT or similar institutions.
• Good to have: Experience in AI focused startups, early-stage teams, or as a founding engineer.

🛠 What You’ll Do:

• Design, develop, and deploy scalable web applications across the stack (front-end + back-end).
• Collaborate with founders, designers, and other engineers to take features from concept to production.
• Write clean, maintainable, and efficient code using [React.js, Node.js, TypeScript, or your tech stack].
• Work on database design and API development (REST/GraphQL).
• Optimize applications for maximum speed and scalability.
• Contribute to architectural decisions and set up best practices for the team.
• Be hands-on with debugging, testing, and performance tuning.

💡 Why Join Us?

• Work alongside elite engineers, clinicians, and product innovators
• Competitive salary + equity options (you’ll grow as the company grows)
• Fast decision-making and zero bureaucracy
• Shape the future of AI in healthcare

• Minimum 4 yrs of experience in React JS.
• Experience building single page frontend applications and reusable components
• Solid experience with the core React ecosystem like React Router, Redux etc.
• Master of HTML, CSS, and other display-centric web technologies.
• Comfortable using git, docker.
• Proficient in Javascript (ES6 / ES7) programming with at least 4/5 years of
• experience.
• Good knowledge in writing frontend test cases.

• Good understanding of asynchronous request handling, partial page updates and Promises.

• Strong Problem Solving skills.

• Strong skills in Javascript and ability to write well documented, clean JavaScript Code.

• Very good understanding of ES6/ES7, JSX and Component Lifecycle.

• Deep practical knowledge of native Javascript, ES6, understanding the internals of frameworks like ReactJS, Angular or any other view libraries.

• Knowledge of modern authorisation techniques, such as JWT Tokens.

• Good understanding of common front-end development tools such as Babel, Webpack, NPM, Yarn etc.

• Has strong communication skills and self-accountability.

Recko Inc. is looking for front-end developers to join our kick-ass engineering team. We are looking for smart, dynamic individuals to bridge the gap between design and technical implementation and define how our software looks as well as how it works.

What are we looking for:

1. Deep understanding of Javascript(ES6) and of at least one test frameworks

2. Overall 1-4 years of Experience in web Development and at Least 1-2 years experience on ReactJS Library.

3. Curious to learn new things and adopting new standards

4. Experience of building at least one frontend application from scratch/ building a SaaS product

5. Good understanding of webpack, CSS pre processors, react-redux architecture, redux-saga.

6. Understanding of design frameworks, UX patterns for web

7. Ability to think strategically and implement with excellence

8. A growth mindset and passionate about building things from the ground up, and most importantly, you should be fun to work with

As a frontend developer at Recko, you will:

1. Develop new user-facing features as well as maintain and improve the application

2. Build reusable code and libraries for future use

3. Ensure the technical feasibility of UI/UX designs while maintaining high quality standards and brand consistency

4. Optimize application to handle high scale

5. Work closely with Product managers, UX designers and back-end engineers to implement frontend solutions.

6. Follow secure coding practices to avoid vulnerabilities like XSS, CSRF

7. Actively participate in code and design reviews to build robust applications.

About Recko:

The Recko Financial Operations Platform empowers finance teams in fast-growing internet businesses with a comprehensive and robust technology stack to build and embed innovative financial workflows such as accounting, reconciliation, commission calculation, payment orchestration and reporting, so businesses can accelerate growth, collaboration, and track and manage money end to end. This ensures that every dollar, euro or pound that the company moves is accounted for and the financial needs of the ever evolving business is taken care of.

Globally, the Recko platform securely processes transactions worth millions of dollars every day. Customer-obsessed brands such as Deliveroo, Meesho, Grofers, Dunzo, Acommerce, etc use Recko so that their finance teams can streamline operations with automation and prioritize growth over repetitive and time-consuming tasks around day-to-day financial operations. Our transparent pricing and exceptional customer service guarantees that we power your growth story - one transaction at a time.

Recko is a Series A funded startup, backed by marquee investors like Vertex Ventures, Prime Venture Partners and Locus Ventures. Traditionally enterprise software is always built around functionality. We believe software is an extension of one’s capability, and it should be delightful and fun to use.

Working at Recko:

We believe that great companies are built by amazing people. At Recko, We are a group of young Engineers, Product Managers, Analysts and Business folks who are on a mission to bring consumer tech DNA to enterprise fintech applications. The current team at Recko is 60+ members strong with stellar experience across fintech, e-commerce, digital domains at companies like Flipkart, PhonePe, Ola Money, Belong, Razorpay, Grofers, Jio, Oracle etc. We are growing aggressively across verticals.

• 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.

• 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.

• Bachelor’s degree in Computer Science, Information Technology, or a similar field.
• Previous experience working as a React.js Developer.
• In-depth knowledge of JavaScript, CSS, HTML and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• 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.