Frontend Developer

Mandatory Skills:

JavaScript, Typescript, SEO, Next.js, Lit.js

Required Skills & Qualifications:

• 8–10 years of frontend development experience with strong proficiency in TypeScript and JavaScript.
• Extensive hands-on experience in Lit.js (Web Components) and Next.js (SSR/SSG).
• Proven leadership in architecting frontend solutions and guiding teams through scalable development.
• Deep understanding of Technical SEO, including schema markup, crawlability, and frontend optimizations for search.
• Expertise in Core Web Vitals, Lighthouse, and performance optimization tools.
• Strong knowledge of responsive design, accessibility standards (WCAG), and cross-browser compatibility.
• Experience integrating frontend with Strapi CMS and RESTful or GraphQL APIs.
• Strong familiarity with Git, Agile methodologies, and CI/CD workflows.
• Excellent communication and collaboration skills, with experience working across disciplines.

Key Responsibilities:

• Architect and lead frontend development using Lit.js, Next.js, and TypeScript, ensuring scalable, modular, and maintainable code.
• Own and evolve the frontend technical stack, enabling performance, SEO, accessibility, and developer efficiency.
• Guide the team in building highly-performant web interfaces with a focus on Core Web Vitals, Lighthouse, and DevTools insights.
• Champion Technical SEO implementation, including structured data, metadata optimization, and SSR/SSG strategies.
• Lead code reviews, pair programming sessions, and enforce code quality standards through tools like SonarQube.
• Mentor and manage 3–5 frontend engineers, fostering technical growth and ensuring delivery quality.
• Collaborate cross-functionally with design, product, backend, SEO, and QA teams to ship robust and accessible user experiences.
• Drive and enforce best practices in unit testing, CI/CD pipelines, and agile workflows.
• Troubleshoot complex UI issues and proactively improve front-end architecture and processes.

Key Responsibilities:

² Develop and maintain responsive web applications using React.

² Collaborate with UX/UI designers to translate wireframes and mockups into functional code.

² Optimize applications for maximum speed and scalability.

² Write clean, maintainable, and efficient code following best practices.

² Participate in code reviews and contribute to team knowledge sharing.

² Troubleshoot and debug applications to enhance performance.

² Stay up-to-date with the latest industry trends and technologies to ensure our tech stack remains cutting-edge.

Qualifications:

² Current SDE 3 designation or equivalent experience in a senior development role.

² 5+ years of experience in software development, with a strong focus on frontend technologies, particularly React.

² Proficiency in JavaScript (ES6+), HTML, and CSS, with a deep understanding of modern web development practices.

² Experience with state management libraries (e.g., Redux, MobX) and routing solutions.

² Strong knowledge of RESTful APIs and experience with modern build tools (Webpack, Babel).

² Experience with testing frameworks (e.g., Jest, React Testing Library) and test-driven development (TDD).

² Excellent problem-solving skills and the ability to work collaboratively in a fast-paced environment.

Job Description:

We are seeking a skilled Shopify App Developer with experience in React/Remix and a strong foundation in HTML, CSS, JavaScript, and jQuery. The ideal candidate will be responsible for building and maintaining custom Shopify applications, enhancing user interfaces, and ensuring seamless e-commerce experiences for our clients. This role requires a strong understanding of Shopify’s ecosystem, combined with frontend development skills to deliver high-quality, scalable solutions.

Key Responsibilities:

• React Develop, test, and maintain custom Shopify apps to enhance store functionality.
• Collaborate with the design and product teams to implement responsive and user-friendly UI/UX features.
• Utilize React and Remix frameworks to build dynamic, interactive web applications.
• Write clean, modular, and scalable code using HTML, CSS, JavaScript, and jQuery.
• Integrate third-party APIs and manage data securely within Shopify.
• Optimize applications for speed and scalability across various devices and browsers.
• Stay updated on Shopify platform updates, best practices, and industry trends.
• Develop, test, and maintain custom Shopify apps to enhance store functionality.
• Collaborate with the design and product teams to implement responsive and user-friendly UI/UX features.
• Utilize React and Remix frameworks to build dynamic, interactive web applications.
• Write clean, modular, and scalable code using HTML, CSS, JavaScript, and jQuery.
• Integrate third-party APIs and manage data securely within Shopify.
• Optimize applications for speed and scalability across various devices and browsers.
• Stay updated on Shopify platform updates, best practices, and industry trends.

ABOUT UNRAVEL CARBON

Unravel Carbon enables companies to assess their carbon footprint by tracking their digital financial footprint with its proprietary carbon emission factor model; making it easy, fast and convenient to become climate positive.

We aim to accelerate the participation of all companies, big and small, in the global fight against climate change. And we want to do it the 21st century way—autonomous, painless, and beautiful.

Unravel Carbon consists of a team of software engineers, data scientists, founders and climate experts with a passion to solve the world’s most pressing issue—climate change. Collectively, our leadership team has launched and invested in multiple companies, and are now combining their experience and knowledge here at Unravel.

We are backed by some of the world’s best funds and investors and are part of Y Combinator’s W22 batch. 

Unravel Carbon was founded in 2021 with headquarters in Singapore.

Unravel Carbon on LinkedIn: https://www.linkedin.com/company/unravelcarbon/

ABOUT THE ROLE

We are looking for early members of our India team. You will be part of the team that establishes our India product development team. We are looking for candidates who have high potential, are excited about tackling the climate change problem and are excited to grow in a high-growth environment while working with the Singapore HQ.

A junior/mid-level React developer. Must be comfortable to work in a small development team and have the initiative to work alone on smaller problem sets.

• Build frontend features using React & typescript
• Collaborate with the backend team on API requirements and contracts
• Analyse processes and code to troubleshoot problems and identify areas of improvement.
• Participating in continuing education and training to remain current on best practices, learn new technologies, and better assist other team members.
• Take lead on projects, as needed.

ABOUT YOU

• Willingness to learn, be a self-starter, and thrive in uncertainty; you would be one of the first few employees at an early stage startup, be prepared to venture into unknown territory, collaborate and learn
• Meticulous and detail-oriented
• Required skills:
• React, 
• Typescript,
• React-query, 
• GraphQL
• Charts & visualisations libraries
• Any ui components library skills
• Bonus skills:
• Next.js
• Server components
• CSS-in-Js

YOUR WORK STYLE

• An understanding of agile product development
• Self exploration and self learning of the latest technologies and applying them to solving the technical challenges our team face
• Self­-starter (proactive and independent) with an ability to prioritise different assignments and tasks to meet deadlines
• Comfortable working in a collaborative environment
• Eager to think outside of the box and creatively problem-solve

YOUR PREFERRED BACKGROUND

A Bachelor’s Degree in Computer Science, IT, or related discipline AND 1+ years working experience in the IT industry. 

WHAT WE OFFER YOU

We offer an exciting challenge for a purpose-driven person who thoroughly enjoys learning and takes up responsibilities in a multi-cultural, primarily virtual, and pioneering organisation.  

We nurture a culture that allows you to thrive, where your skills can be honed and your ideas will be heard, and where collaboration across teams and with global partners is the default.

• Deep understanding of JS basics and advanced features (ES6) (5+ years)
• Deep understanding of basic and advanced HTML5 / CSS3 features (5+ years)
• Hands on experience developing scalable applications using React JS (preferably using functional components) (2+ years)
• Proficiency in using hooks based approach in react development
• Hands on experience developing UI components using Material UI for React JS (2+ years)
• Experience with any of the state management libraries for React JS – Redux, Context API, Mobx etc
• Experience with unit testing using Jest, Enzyme, React Testing Library etc
• Experience with responsive design, progressive web apps and accessibility.
• Knowledge about platform tools such as NPM, Git command line tool and AWS.