Frontend Developer

Position Title : Frontend / Chrome Extension Developer (React + TypeScript)

Experience : 3+ years

Location : Remote

Job Role Summary :

Build and ship production-ready Chrome extensions that inject UI into existing web apps. Own content scripts, DOM integration, performance, and accessibility (WCAG 2.1 AA).

Mandatory Skills :

React, TypeScript, Chrome Extensions (MV3), Content Scripts, DOM Injection, MutationObserver, TailwindCSS/CSS Modules, Accessibility (WCAG 2.1 AA).

Key Responsibilities :

• Develop Chrome extensions using React + TypeScript.
• Inject and manage UI components within third-party web app DOMs.
• Write and maintain content scripts; handle dynamic pages via MutationObserver.
• Implement clean, responsive styling with TailwindCSS or CSS Modules.
• Ensure accessibility (WCAG 2.1 AA), keyboard navigation, and ARIA semantics.
• Integrate with APIs, manage extension permissions, storage, and messaging.
• Optimize performance, handle edge cases across sites, and write basic tests.

Required Skills :

• Strong React + TypeScript in production.
• Chrome Extension architecture: manifest v3, content/background scripts, messaging, permissions.
• DOM manipulation and safe UI injection strategies.
• MutationObserver, event delegation, handling SPA route changes.
• TailwindCSS or CSS Modules; solid CSS fundamentals.
• Accessibility (WCAG 2.1 AA) and cross-browser compatibility (Chromium/Firefox optional).
• Familiarity with build tooling (Vite/Webpack), linting, and Git.

Nice-to-Have :

• Experience with service workers, storage (sync/local), and i18n.
• Testing with Jest/RTL/Playwright.
• Security basics for extensions (CSP, sandboxing).

Experience • 1-3 years.

Skill to Test

• ReactJS

• JavaScript, jQuery

Primary Skills

• Frontend frameworks (ReactJS and/or Angular)

• Pure JavaScript, jQuery

• Bootstrap, HTML5, CSS, SASS

• CRM Development (Salesforce, Dynamics, ServiceNow)

• Working with third-party APIs

Secondary Skills (nice to have)

• Java EE (Servlets, JSTL, JSP, JDBC)

• Passionate about Implementing UX\UI of web applications

• API Design (REST)

• Understanding of browser technologies and limitations

Soft Skills

• Thrives collaborating in a team environment with a diverse range of people

• Passionate about delivering an amazing customer experience

• Able to have a change of mind, and able to change the minds of others

• Writes clearly and concisely

• Capable of working without a company office, with a fully remote team

Growth Skills

• Possesses a good work ethic; a self-starter with a desire to grow

• Always looking for better ways to get the job done

Job Description

• • Collaborate with developers and UI/UX engineers to build scalable web apps
• • Design, implement and manage large applications with video streaming and complex state and high-frequency data
• • Experiment with large data sets to find interesting and valuable ways to visualize the data
• • Build reusable, testable React components that can be used between projects
• • Contribute towards building the company’s coding culture.
• • Mentor, groom junior developers and participate in code reviews

Requirements

• • 3+ years of relevant industry experience
• • A deep understanding of JavaScript
• • React, Redux or other JS framework experience
• • HTML5, CSS/SASS, Restful APIs, HTTP
• • JEST or other testing experience
• • Experience with android app development
• • Experience with CI/CD
• • Experience with Mathjax/Latex
• • Experience with large scale video streaming
• • Understanding of i18n, A11Y
• • Excellent understanding of cross-browser compatibility issues
•  

Type, Location

Full-time, Remote

Desired Experience

2+ years

Roles and Responsibilities :

● A great JavaScript developer who is proficient with React.js (preferred).

● Your primary focus will be on developing user interface components and implementing

them following well-known React.js workflows (such as Flux or Redux).

● You will ensure that these components and the overall application are robust and easy to

maintain.

● You will coordinate with the rest of the team working on different layers of the

infrastructure. Therefore, a commitment to collaborative problem-solving, sophisticated

design, and a quality product is important.

● Generating error-free code and compliance with SOW

● Managing development processes & working notes

● Growing technical skills and being an active part of the technical transformation in the company

● When required manage client communication for projects assigned

● Reporting on project activities and ensuring timely completion of projects/assignments

● Guiding Jr. Developers for the completion of their work

Desired Candidate Profile

Primary Skills :

● Hands-on experience in React.js, HTML/CSS, JavaScript, and People Management.

Recro is a developer-focused platform that was founded with the aim of seamlessly matching individual expertise with the right opportunities.

We empower talented developers by providing them with relevant experience at fast-growing startups based on technical competencies and aspirations. These opportunities have a significant impact on their career success and help them become their best self.

We are looking for a good JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.

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 (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
• 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)

As a Front-end developer, you will work with motivated individuals who are passionate-beyond-measure to offer the Ultimate Shopping experience to consumers. You will leverage the latest technologies (HTML5, Javascript, ajax) and application paradigms (web apps on the desktop) to create a beautiful client that runs seamlessly on windows, mac, chrome, firefox, IE, safari.

Responsibilities:

• Implement Visual Designs in standards compliant, clean markup (HTML5/CSS3/JS)
• Develop responsive designs and thoroughly test cross browser compatibility of all product interfaces
• Identify and research new UI technologies
• Suggest and implement improvements to existing product interfaces
• Assist in building wireframes/prototypes
• Make data driven decisions based on analytics to improve user engage
• Advise, collaborate with, and synthesize feedback from designers and the backend team.
• Ready to explore and perform tasks that are out of your own pool of expertise
• Fulfil several project requests simultaneously while meeting tight deadlines.
• Make pages optimized for both performance as well as SEO

Requirements:

• Expert in making scalable and modular Front End code
• In depth knowledge of HTML, CSS & JavaScript
• Good experience in making Progressive Web Apps
• Knowledge of cross browsers & devices development issues and inconsistencies
• Good knowledge and experience in ReactJS and Server Side Rendering
• Experience in setting up & running task runners like Gulp & Webpack
• Experience in CSS pre and post processors like SASS/Stylus & PostCSS (we use SASS combined with PostCSS) & BEM style coding
• Experience in creating transitions/animations at 60fps especially on mobiles

About Spinny

Founded in 2015

O2O Model focusing on selling high quality certified refurbished cars

Offering 5 Days no question money back + 1 year warranty

Over 10 outlets in 5 Cities: Delhi NCR, Bangalore, Mumbai, Pune & Hyderabad. (Launching in 3 more cities soon)

Over 10000+ supremely happy customers

Business Model

Working on a transactional and fulfilment model, Spinny is the go-to platform for buying and selling used cars.

Offering convenient transactions to the customers

One of the key differentiating factors is that its price engine, which works

on a proprietary neural network-based algorithm, determines the correct price of the car.

Spinny also takes care of all the paperwork, from registration to title transfers as well as assisting buyers in financing their purchase.

Frontend Developerswho possess passion for pushing web technologies to the limits and will work with our team of talented engineers to design and build the next generation of the Spinny web application.

Software Development Engineer: Frontend

Our Culture

Over 750 Spinners in the ecosystem Fast track growth environment Fostering strength driven culture Culture philosophy of social, agile and sustainable Top 50 global technology 

Crunchbase

Series A & Series B funding by SAIF & ACCEL & ALTERIAFrontend Developers who possess passion for pushing web technologies to the limits and will work with our team of talented engineers to design and build the next generation of the Spinny web application.

What you'll do

You are a perfect match with us, if you have:

Experience in javascript frameworks such as React,, etc and a good understanding of the basics of these frameworks and their life cycles.

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

Familiarity with newer specifications of ECMAScript (ES6 ES7).

Bachelors/ Masters degree in Computer Science, Engineering, preferably from IITs/Top RECs.

1-5 years of experience at cutting edge organizations or startups