Senior Frontend Engineer

Job Title : Frontend Developer (React.js, Next.js - SSR & SSG)

Experience : 2 to 6 Years

Location : Gurugram (Sector 65)

Work Schedule : Monday to Friday (Saturday if required)

About the Role :

We are looking for a skilled Frontend Developer (React.js, Next.js - SSR & SSG) to join our team. The ideal candidate will be responsible for building high-quality, scalable, and responsive web applications while collaborating closely with design and backend teams.

Mandatory Skills :

React.js, Next.js (SSR & SSG), JavaScript (ES6+), TypeScript, HTML, CSS, SCSS, Bootstrap, Responsive Web Development, State Management (Redux/Context API), Performance Optimization, API Integration

Key Responsibilities :

• Collaborate with designers and backend engineers to convert UI/UX designs into clean, efficient, and responsive front-end code.
• Develop reusable UI components using modern frameworks such as React and Next.js.
• Implement styling using SCSS and ensure responsive design using Bootstrap.
• Optimize applications using Server-Side Rendering (SSR) and Static Site Generation (SSG) in Next.js.
• Contribute to and maintain a scalable design system for consistency across the platform.
• Ensure high performance, speed optimization, and cross-browser compatibility.
• Identify, debug, and resolve front-end issues to enhance user experience.
• Write clean, maintainable, and well-documented code following best practices.
• Participate in code reviews and contribute to continuous improvement of code quality.
• Maintain and enhance existing front-end features and components.
• Stay updated with the latest trends and technologies in front-end development.

Required Skills & Qualifications :

• 2 to 6 years of experience as a Frontend Developer.
• Strong proficiency in HTML, CSS, JavaScript (ES6+), and TypeScript.
• Hands-on experience with React.js and Next.js.
• Experience with SCSS for modular and component-based styling.
• Strong understanding of Bootstrap for responsive UI development.
• Experience implementing SSR and SSG in Next.js.
• Knowledge of responsive design and modern UI/UX principles.
• Familiarity with state management tools such as Redux, Recoil, or Context API.
• Experience with testing tools like Jest or Cypress.
• Knowledge of performance optimization techniques (e.g., lazy loading, code splitting).
• Basic understanding of blockchain concepts and tools like web3.js or ethers.js is a plus.
• Strong communication, problem-solving, and teamwork skills.

Good to Have :

• Experience working with design systems or component libraries.
• Exposure to Web3 or blockchain-based applications.
• Familiarity with Agile development methodologies.

Proficient in React, JavaScript (ES6+), and TypeScript. ● Expertise in state management libraries (Redux, Zustand, etc.). ● Hands-on experience with react-navigation and deep linking. ● Solid understanding of Expo (both managed and bare workflows). ● Knowledge of native development (Swift/Objective-C for iOS, Java/Kotlin for Android). ● Experience with custom native module bridging and native UI integration. ● Strong debugging skills using tools like Flipper and Chrome DevTools. ● Familiarity with Jest, React Native Testing Library. ● Experience with REST APIs, GraphQL, and real-time data (WebSockets). ● Ability to manage OTA updates with EAS Update and configure EAS Build. ● Experience in app publishing and release lifecycle on both Play Store and App Store. ● Knowledge of secure storage, token handling, and app-level security practices.

·  4 – 5 years of experience in Front end development

·  2 years of experience using React and Redux

·  3 years of experience in using HTML, CSS

·  1 year of experience in any of the Headless CMS such as Ghost or Strapi or Cockpit.

·  2+ years using JavaScript consuming, displaying and updating data using Web APIs (JSON).

·  2+ years of experience using Material UI and JSS.

React Native

Redux

React Hooks

Developing new user-facing features using React Native

 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 Native workflows (Redux)

5 Days Working

WOrk From Office

Interviews are F2F

Responsibilities

• Developing new user-facing features using React.js
• 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

Skills:

• 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 (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
• Familiarity with modern front-end build pipelines and tools
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial)

Senior / Lead Full Stack or Frontend Engineer

Hiring for a Series E, 3.1 Billion Dollar rapidly growing organisation focused on payments, marketing and customer loyalty.

• To take ownership of delivering performant, scalable and high quality cloud based software, both frontend and backend side.
• Code reviews.
• Mentoring Team members to develop in line with product requirements.
• Collaborate with Senior Architect for design and technology choices for product development roadmap.

• Thorough knowledge of developing cloud based software including backend apis and react/angular based frontend.
• Thorough knowledge of scalable design patterns and message based systems such as Kafka, RabbitMq, Redis, MongoDB, ORM, Sql etc.
• Experience with AWS services such as S3, IAM, Lambda etc.
• Expert level coding skills in NodeJs,TypeScript,Scala,ReactJs,Angular.
• Eye for user centric mobile first designs on the frontend.
• Experience with hybrid frontends such as react-native, electronJs is a plus.    

In 2020, We have started as India’s first influencer marketing advert built for marketers and advertisers to scale on user acquisition, branding, and lead generation. UPCRED offers an integrated platform for all things in influencer marketing from sourcing to managing to payout and all in one influencer marketing reporting through UPCRED Pixel Management, empowering millions of nano, micro, macro, mega influencers/creators and accelerating every aspect of the influencer marketing journey for brands and influencer.

Senior React Native Developer - iOS/Android Platform

Core Responsibilities:

• Develop cross-platform mobile applications in React Native which customers love using
• Work with product, design, backend teams to develop features
• Work on bindings and integrations required with native iOS and Android libraries
• Plan, estimate, and delivery your project with minimal supervision

Skills:

1 - 5 years of React Native experience with some hands-on experience with app development and launches especially deployment with the App Store and Play Store [Android + iOS].

Understanding of REST APIs, the document request model, offline storage, state management.

Experience in Firebase and App Analytics tools

Experience with Content/Video-based app.

Experience with native Android or iOS development.

Understanding of Social Video-based app Architecture

If you have a passion for building and scaling marketplaces that stand out for great customer experience, this is a game-changing role in our crazy pursuit to become India’s most-loved social brand.

We at UPCRED

Life so good, you’d think we’re kidding:

• Competitive salaries.
• An extensive medical insurance that looks out for our employees & their dependants. We’ll love you and take care of you, promise.
• Flexible working hours.
• Tailored vacation & leave policies so that you can enjoy every important moment in your life.
• Learning and upskilling opportunities.
• Good food, games, and a cool office to make you feel at home.

HOW?

Apply, and let us know your interest?

UPCRED Advert, that's how we grow, fair and transparent!

As a web application developer, your job is to program frontend modules and applications. We are looking for someone with expertise and experience in designing, developing and testing web applications including new developments, enhancements, maintenance and support. The role involves continuous collaboration with team, partners.

Responsibility

• Building interactive consumer data from multiple systems and RESTfully abstract to the UI using React JS ( javascript and typescript)  through a Node.js backend
• Create Unit and Integration tests to ensure the quality of code
• Address and improve any technical issues
• Ability to translate Wireframes and PSD Designs into functional web apps
• Be responsive to change requests and feature requests
• Write code that is cross-platform and cross-device compatible
• Strong commitment to quality and delivery
• Collaborate well with engineers, and specialists to design and create advanced, elegant and efficient system

Requirements: 

• Experience creating front end applications using HTML, React JS
• Database – MongoDB, SQL
• Fluent knowledge of latest HTML/CSS standards and best practices
• Experience building Responsive websites for web, tablet and mobile device
• Obsession with lean, clean and organized code
• Solid Understanding of HTTP protocol and how server-side code is processed on the client
• Knowledge of the following will be considered as an advantage

Consumer Web Development Experience for High-Traffic, Public Facing web applications

Experience with cloud technologies also a plus

Creating Unit test cases

Typescript

Aerchain is an AI-powered Procurement platform transforming the way purchase is done in enterprises. We are a 2-year-old funded startup with some of the largest global companies as clients and are part of 3 top accelerator programs backed by Reliance Group, top VCs & Supply Chain experts. We are on the lookout for technology enthusiasts who would love to contribute to revolutionising the world's procurement industry with Artificial Intelligence!

Responsibilities

1. Define technical blueprints and take complete technical ownership of high-level design, tech stack of the product.

2. Design, build, test and deploy product features that are reliable, secure and optimised for performance across all environments.

3. Work closely with product management team to define and refine feature specifications.

4. Work with cross-functional teams to address technical dependencies.

5. Drive some of the company-wide tech initiatives striving towards continuous technical excellence of our platforms.

6. Mentor upcoming engineers in the organisation / team.

Qualifications

1. 4+ years of experience in developing dynamic, scalable web applications.

2. Demonstrated ability in building / architecting large scale products in the React ecosystem.

3. Ability to work with teams in a collaborative and productive manner.

4. Strong computer science fundamentals in data structures and algorithms.

5. Familiarity with cross-browser compatibility issues and demonstrates good design and UI / UX sensibilities.

6. Excellent technical leadership and mentoring skills.

Our Ideal Candidate

1. Loves writing and owning code and enjoys challenges and problem solving.

2. Self driven and motivated with the desire to work in a fast-paced, results-driven agile environment with varied responsibilities.

3. Takes end-to-end ownership of the product, ideates on product requirements with the team and drives it from design to implementation.

4. Action-oriented and dreams big. More importantly believes and has the ability of “Making it Happen !”

Why Aerchain

1. Be part of the engineering leadership team - You’ll have the opportunity to work with cross-functional teams and take key technology decisions to build future-forward products.

2. Build a truly disruptive product - We are building a platform that transforms the way S2P cycles happen in enterprises. Using data at every step, we plan on automating processes starting with requirement gathering to payments and customers love us!

3. Be part of the high-growth challenge - In the process of scaling from 1-10, we are sure that there are very exciting and challenging times ahead. The experience of being a part of this growth phase is unique and will fast track your career. You’ll obviously learn a lot!