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).

Key Responsibilities

• Build and maintain high-quality, responsive web applications

• Collaborate with designers and product managers to translate requirements into intuitive UI/UX

• Optimize applications for performance, security, SEO, and scalability

• Write clean, maintainable, and well-documented code

• Debug, troubleshoot, and fix issues across the frontend stack

• Stay updated with the latest frontend trends and tools to improve development practices

Requirements

• 2–4 years of professional experience as a Frontend Developer

• Strong proficiency in JavaScript/TypeScript with modern frameworks like React.js/Next.js

• Experience consuming REST/GraphQL APIs

• Strong understanding of HTML5, CSS3, Tailwind/Styled Components and responsive design principles

• Knowledge of version control (Git)

• Familiarity with build tools and CI/CD pipelines

• Understanding of web performance,accessibility and SEO best practices

• Strong problem-solving and debugging skills

What is in it for you

• Very high ownership role in a fast-paced environment

• Closely work with the founder & a super passionate team of people in building Eternz

• Competitive salary commensurate

• Fast career growth & appraisals

• A dynamic and collaborative work environment- No hierarchy/Politics!

• Health insurance

Additional Details

• We are an early-stage start-up and valuable achievements take time & efforts. And hence it is a 6 day work week & we strongly believe there is no substitute for hard work & passion!

• Location: HSR layout, Bangalore

Position:  React/Frontend Developer

Location: Chennai and Exp : 3 to 5 Yrs

We are looking for a great JavaScript developer who is proficient with React.js or VueJs. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (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
• Monitoring and improving front-end performance.
• Troubleshooting interface software and debugging application codes.
• Documenting application changes and developing updates.

Skills

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows (such as Flux or Redux)
• Should have recent experience with React projects (min. 2 years)
• Experience in VueJs is an added advantage
• Familiarity with newer specifications of EcmaScript
• Familiarity with RESTful APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• Ability to understand business requirements and translate them into technical requirements
• Familiarity with code versioning tools. 

Link to apply - https://tally.so/r/wv0lEA

Key Responsibilities:

1. Software Development:

• Design, implement, and optimise clean, scalable, and reliable code across [backend/frontend/full-stack] systems.
• Contribute to the development of micro services, APIs, or UI components as per the project requirements.

1. System Architecture:

• Collaborate and design and enhance system architecture.
• Analyse and identify opportunities for performance improvements and scalability.

1. Code Reviews and Mentorship:

• Conduct thorough code reviews to ensure code quality, maintainability, and adherence to best practices.
• Mentor and support junior developers, fostering a culture of learning and growth.

1. Agile Collaboration:

• Work within an Agile/Scrum framework, participating in sprint planning, daily stand-ups, and retrospectives.
• Collaborate with Carbon Science, Designer, and other stakeholders to translate requirements into technical solutions.

1. Problem-Solving:

• Investigate, troubleshoot, and resolve complex issues in production and development environments.
• Contribute to incident management and root cause analysis to improve system reliability.

1. Continuous Improvement:

• Stay up-to-date with emerging technologies and industry trends.
• Propose and implement improvements to existing codebases, tools, and development processes.

Qualifications:

Must-Have:

• Experience: 2–5 years of professional software development experience in [specify languages/tools, e.g., Java, Python, JavaScript, etc.].
• Education: Bachelor’s degree in Computer Science, Engineering, or equivalent experience.
• Technical Skills:
• Strong proficiency in [programming languages/frameworks/tools].
• Experience with cloud platforms like AWS, Azure, or GCP.
• Knowledge of version control tools (e.g., Git) and CI/CD pipelines.
• Understanding of data structures, algorithms, and system design principles.

Nice-to-Have:

• Experience with containerisation (e.g., Docker) and orchestration tools (e.g., Kubernetes).
• Knowledge of database technologies (SQL and NoSQL).

Soft Skills:

• Strong analytical and problem-solving skills.
• Excellent written and verbal communication skills.
• Ability to work in a fast-paced environment and manage multiple priorities effectively.

• Responsible for the implementation of end-to-end modules starting from user interface, business logic layer and database layer.
• Proficient in HTML, javascript.
• React JS experience is an added advantage.
• Assists in research, design, documentation, and modification of software specifications throughout the software development life cycle.
• Analyzes, troubleshoots, and optimizes code.
• Participates in requirements gathering meetings and produces technical documentation as needed.

Senior UI Developer, India

All about the role:

Technical UI in India in our Solutions Implementation team

will provide hands-on management for multiple simultaneous projects around UI

domain. This role is based out of Bangalore, India.

Key Accountabilities:

Managing project deliverables in line with the project plan

Providing status report to different stakeholders

Implement process improvement

Provide strong technical leadership and hands-on involvement with CSS3, HTML5, JQuery, PSD Conversion to HTML

Responsible for implementing best practices for project delivery

Manage a delivery team to ensure timely, accurate and high quality customer deliveries

Own all major and minor project releases for the Solutions Implementation team

Conduct peer-reviews and lead reviews and provide feedback

Advising on and co-ordinating team's technical activities

Identifying and owning architectural and other technically based risk, escalating as appropriate

Ensuring the non-functional requirements are achievable and subsequently met

Ensuring adherence to appropriate standards of technical best practice

Controlling the technical configuration of the solution

Managing technical aspects of the transition of the solution into live use

Resolving technical differences between technical team members

Desired Skills

Hands-on experience with CSS3, HTML5, JQuery, PSD Conversion to HTML and Wordpress

Experience in Responsive Web Design and Cross Browser Implementation

Leadership & Management

Imbibe and represent our culture, core values and ensure the behavior and feedback is cascaded through the organization

Provide feedback to the leadership team by demonstrating understanding of business, markets, and industry trends and needs

Education and Experience Requirements

Bachelor's degree in Engineering or relevant fields

5+ years of experience in a role of a UI developer at technology and product development teams

Experience of working in a global distributed development model

Track record of delivering high performance products

Domain - digital - E-commerce, marketing, social, mobile, UI (HTML5, CSS3, JavaScript, JQuery and Wordpress)