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Frontend Engineer (Next.js / React / TypeScript)

Position Summary

We are seeking a Frontend Engineer with deep expertise in Next.js, React, and TypeScript to join our growing engineering team. The ideal candidate will have experience building scalable, modern web applications, with strong knowledge of Tailwind CSS for styling and proficiency in integrating with MongoDB backends and AI/LLM APIs (e.g., OpenAI). You will work closely with backend engineers and AI specialists to build seamless user interfaces that power cutting-edge AI-driven applications.

Key Responsibilities

• Develop, optimize, and maintain frontend features using Next.js, React, and TypeScript.
• Implement responsive and scalable UI components with Tailwind CSS.
• Integrate with backend APIs built on MongoDB and other data sources.
• Work with AI/LLM APIs (OpenAI, LangChain, etc.) to deliver intelligent, context-aware features.
• Collaborate with backend and AI engineers to ensure efficient data flow and optimal performance.
• Write clean, reusable, and testable code with strong attention to detail.
• Participate in code reviews, sprint planning, and product design discussions.

Required Skills/Qualifications

• Strong proficiency with Next.js, React, and TypeScript.
• Experience with Tailwind CSS and modern component-based UI development.
• Familiarity with integrating MongoDB backends into frontend applications.
• Experience consuming AI APIs (OpenAI, HuggingFace, etc.).
• Understanding of REST and GraphQL API consumption.
• Strong problem-solving skills, debugging, and optimization techniques.
• Excellent collaboration and communication skills.

Preferred Skills/Experience

• Experience with SSR (Server-Side Rendering) and ISR (Incremental Static Regeneration) in Next.js.
• Familiarity with state management libraries (Redux, Zustand, Recoil, etc.).
• Exposure to vector databases or AI-driven UI personalization.
• Prior experience working in a SaaS or data-heavy application environment.

Hi

About the Company:

Our client is a B2B2C tech Web3 startup founded by founders - IITB Graduates who are experienced in retail, ecommerce and fintech.

Role Description : We are looking for a React.Js 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 so we are looking for a strong team player with a commitment to perfection.

Key Responsibilities -

• Developing new user-facing features using prominent front-end frameworks • Involved with and translates designs and style guides provided by the UI/UX team into functional user interfaces using responsive design, ensuring cross-browser compatibility and performance • Building reusable components and front-end libraries for future use • Optimizing components for maximum performance across a vast array of web-capable devices and browsers • Takes ownership and responsibility for the successful delivery of the solutions • Works collaboratively with the engineering and product solution team, demonstrates prototypes for faster feedback to keep improving the user experience • Contributes to continual improvement by suggesting improvements to the user interface, software architecture, or use of new technologies

Required Skills and Qualifications -

• 3-8 years of experience in frontend development primarily using React

• Experience in Hypertext Markup Language revision 5 (HTML5), Cascading Style Sheets (CSS), TypeScript and ReactJS (JavaScript)

• Thorough understanding of NodeJs & React.js(SSR) and its core principles

• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.

• Familiarity with RESTful APIs

• Excellent communication skills

• Ability to understand business requirements and translate them into technical requirements

• A self-starter, who loves to take on hard problems and is enthusiastic to learn new technologies and work in startup environments

Regards

Team Merito

Job Role:

• 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.

• Maintain and write clean code to ensure the product is of the highest quality.

• 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.

• Maintain and write clean code to ensure the product is of the highest quality.

• 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.

FrontEnd Developer - ReactJs & Angular

Rejolut is among the fastest-growing and award winning Tech companies working on leading technologies namely Blockchain, Machine Learning & Artificial Intelligence, Complex mobile & Web Apps, IoT, etc.Rejolut is a venture-backed company with clients in over several countries namely Malaysia Airlines,gba global,my-earth,biomes, Dlg-hub,etc.

We are looking for Tech geeks having hands-on experience and in love with building scalable, distributed and large web/mobile products and tech solutions. He/She must be an excellent problem solver with passion to self-learn and implement web technologies (frontend + backend). He/She would be responsible for the architecture design, code review, and technology build and deployment activities of the product. 

Responsibilities:

• Proficient in client & server-side JavaScript, HTML5, CSS3 and webpack
• Competent in building single page web applications using Node.js and React Js
• Redux/ Recoil Js for state management
• Universal rendering (Client-side rendering and Server-side rendering)
• Experience with cross-browser, cross-platform, and design constraints on the web
• Experience in developing automated unit and functional tests
• Experience in an agile development process
• Deep knowledge of algorithms and design patterns
• Have a passion for quality and writing clean, readable code that scales and performs well
• Good interpersonal communication skills

Desired Candidate Profile:

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model

• Thorough understanding of React.js and its core principles

• Experience with popular React.js workflows (such as Flux or Redux)

• Familiarity with newer specifications of EcmaScript

• Experience with data structure libraries 

• Knowledge of isomorphic React is a plus

• Familiarity with RESTful APIs

• Knowledge of modern authorization mechanisms

• Familiarity with modern front-end build pipelines and tools

• Experience with common front-end development tools

• Ability to understand business requirements and translate them into technical requirements

• A knack for benchmarking and optimization

• Familiarity with code versioning tools

Rejolut - As a Career Differentiator

 - We are a young and dynamic team who are obsessed with solving futuristic and evolutionary business problems at scale with the next generation technology like blockchain, crypto and machine learning. Focuses on empowering people across the globe to be technically efficient, making advancements in technology and providing new capabilities that were previously thought impossible.

- We provide exposure to higher learning opportunities so that you can work on complex and cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, WebAssembly. Strong expertise in  blockchain and crypto technology and working with the networks like Hedera Hashgraph, Tezos, BlockApps, Algorand, Cardano.

- We maintain high end transparency with clients and employees as Visibility unlocks Efficiency and trust unlocks Visibility.

- Company is backed by two technology Co-founders, well-versed with consumer applications and their work has been downloaded millions of times and have led teams in leadership positions in companies like Samsung, Purplle, Loylty Rewardz.

Benefits :

> Health Insurance

> Work from Home

> Fast growth and more visibility into the company

> Experience to work on the latest technology

> Competitive Learning Environment with supportive co-workers

> Employee friendly HR Policies

> Paid leaves up to certain limits

> Competitive salaries & Bonuses

> Liberal working atmosphere

> Get mentored by the best in the industry

Schedule:

Day Shift/Flexible working hours

Monday to Friday

• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high-quality code
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Experience with popular React.js workflows (such as Flux or Redux)
• Familiarity with newer specifications of EcmaScript
• Experience with data structure libraries (e.g., Immutable.js)
• Knowledge of isomorphic React is a plus
• Familiarity with RESTful APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Ability to work through new and difficult React Native Issues and contribute to libraries as needed.
• Ability to create and maintain continuous integration and delivery of React Native applications.

We are an IIT Bombay incubated, healthcare start up developing a mobile based Ai technology to help reduce health risks for women during their pregnancy. Our Founders are Harvard and Columbia University alums with extensive experience in digital health in the US and India.

Mobile Development Engineer - React Native (Location: Mumbai)

Requirements:

2-4 years of experience on React Native. Good understanding of start up environment.

1.     Advanced knowledge of React Native.

2.     Excellent knowledge of React native libraries, Redux, HTML5, CSS3, JavaScript.

3.     Excellent knowledge on android and iOS UI design principles, patterns and best practices.

4.     Experience working with publishing on stores.

5.     Experience working with Rest APIs.

6.    Knowledge of integration and utilization of cloud services and payment systems.

7.    Should have played a key role in conceptualising to deployment of apps using React Native.

8    Project management, scheduling, allocation and delivery.

9.    Proven experience of agile development, sprint planning and backlog management.

10.   Keen focus on customer, excellent communication skills, with high level of responsiveness and responsibility.

Good to Have:

Full Stack experience.

Experience working on chat apps, community, and healthcare domain. 

Exposure or Interest in NLP, Machine Learning.