Frontend Developer

Ideal Candidate

8+ years of experience in front-end development, with at least 3–5 years in technical/architectural leadership roles across web and mobile platforms.

Expert in React.js and React Native, with hands-on experience designing and building scalable, modular applications using modern front-end frameworks and reusable component libraries.

Strong geospatial capabilities—proven experience integrating and optimizing mapping solutions (e.g., Google Maps, HERE Maps) with features like routing, clustering, and overlays.

Mobile-first mindset, with deep knowledge of responsive UI design, performance optimization for low-bandwidth environments, and cross-platform compatibility.

Architectural expertise in modular design, micro-frontends, SSR/SSG, PWAs, and cross-platform solutions—ideally with experience in monorepo environments and BFF patterns.

Technical leadership skills, including mentoring developers, enforcing best practices, driving autonomous development, and aligning technical solutions with business needs.

CI/CD & DevOps familiarity—strong understanding of build tools (Webpack, Vite, Metro), containerization (Docker), and deployment automation using Jenkins, GitLab CI, etc.

Security, accessibility, and testing focus—capable of implementing WCAG-compliant UIs, secure data handling, and robust test strategies using tools like Jest, Cypress, Detox, and Appium

React.js, Java Script, Redux, React,React.js,Angular,Frontend Developer, UI Developer, Full Stack Developer

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.

1. Good understanding of AJAX and JavaScript
2. Experience with RESTful services
3. Experience in building user interfaces with JavaScript frameworks like Angular
4. Skilled with common front-end technologies such as HTML, CSS, JS
5. Strong understanding of JavaScript concepts like Promises and asynchronous programming
6. Ability to decompose a problem into clear software and UX design actions.
7. Understands how to optimize the delivery of code and assets (e.g., images, fonts) to a browser or device (e.g., lazy loading assets, using CDNs, caching, compression, etc.)
8. Experience in working with jasmine, karma, and Angular TestBed
9. Experience in working in agile environments
10. Able to maintain versioning for the source code using Git

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.

Requirements

• 3+ years of experience in React JS and Redux
• Expert in React.j, ideally using TypeScript language extensions
• Good understanding of JavaScript Design Patterns
• Good experience writing front-end test cases
• Exposure in React Native is preferred.
• HTML5, CSS3 and Responsive web design are mandatory
• Exposure to Scrum methodology and XP technical practices such as unit testing, pair programming, test-driven development, continuous integration or continuous delivery
• Self-motivated, fast learner, detail-oriented, team player and a sense of humour

Roles & Responsibilities:

• 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.

React.js Developer Requirements:

• 1-3 Years Previous experience working as a React.js Developer.
• In-depth knowledge of JavaScript, CSS3, HTML5, bootstrap and material design.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience in Next.js, Ant design, Node.js and Python will add extra advantage but not mandatory
• Experience with user interface design.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.

Your key responsibilities will be converting PSD/Figma into HTML/CSS. You will also be responsible for writing clean, semantic front end code - HTML5, CSS3, JQuery, Java Script.

Selection Criteria
If your profile has selected then you have to attend a 3 hours assignment to move your candidature to the final round of interview.

• Seek to enhance the user experience by creating seamless navigation through various digital programs and interfaces within the company
• Use coding to develop the aesthetics implemented within a website or product, from the layout menus and drop-down options to colors and fonts
• Combine interface design concepts with digital design and establish milestones to encourage cooperation and teamwork
• Develop overall concepts for improving the user experience within a business webpage or product, ensuring all interactions are intuitive and convenient for customers
• Collaborate with back-end web developers and programmers to improve usability

• 2-4 years of demonstrated experience in creating and implementing UI development
• Detailed experience with coding and the ability to troubleshoot and analyze websites using HTML, CSS and comparable languages
• Continued education and research into UI development trends and current design strategy and technology
• Professional written and interpersonal skills
• Ability to prioritize and manage multiple milestones and projects efficiently
• Advanced problem-solving skills and the ability to optimize code for the best possible outcome
• Ability to work effectively in a collaborative environment to create top-performing interfaces
• Proficient with visual design programs such as Adobe Photoshop

IRIS Business Services Ltd is looking for a Senior Front-end Angular Developer who is passionate about design and programming to work in an exciting space of tax technology. Responsibilities include implementing visual elements and their behaviours with user interactions. You will work with both front-end and back-end web developers to build all client-side logic. You will also be bridging the gap between the visual elements and the server-side infrastructure, taking an active role on both sides, and defining how the application looks and functions.

Requirements:

• 2+ years working in front-end web development
• Front end technologies: Angular.js (1.x), Angular (4-12), HTML5, CSS3, jQuery, Ajax, Bootstrap
• Excellent Javascript knowledge and programming experience with ES5/ES6
• Solid understanding and development experience in Angular
• Experience consuming REST APIs
• Experience with client-side architecture and design patterns
• Awareness of cross-browser compatibility issues and client-side performance considerations
• Solid understanding and extensive experience with version control tools like Git, SVN or Mercurial
• Exceptional problem solving and ability to work independently
• Exceptional learning skills
• Fluency in both oral and written English

Responsibilities:

• Implementing the front-end logic that defines the behavior of the visual elements of a web application.
• Actively involved throughout the project lifecycle, often times starting with rapid prototypes early in the design phase
• Writing clean, production-ready code, which will be integrated with the backend/APIs
• Will be supported by back-end web developers, who are responsible for server-side application logic
• Will be supported by front end designer who specialize in markup and styling

Responsibilities:

• Planning, estimation, requirement analysis, database designing, wireframing, layout design of the assigned project and other ongoing projects in a team with Project Manager / Developer / Designer.
• Handling coding works or major/complex parts of assigned projects and providing coding help and supervision to team members.
• Maintaining and auditing code/design quality as per set guidelines and standards in assigned projects.
• Testing of completed tasks in ongoing projects in the team before sending updates to reporting authority/client.
• Remove the technical impediments
• Focusing the team to ensure the on-time delivery of the agreed task.
• Reporting progress to the Project Manager.
• Facilitating code/design reuse.
• Training and mentoring of team members.
• Maintaining the skill set matrix of the team.
• Building and maintaining PWA.
• Work closely with the product team to accelerate A/B testing and maximize engagement.

Requirements:

• Excellent knowledge of HTML5, CSS3.
• Excellent knowledge of JavaScript, Jquery.
• Excellent knowledge of JavaScript MVC architecture and OOP programming style.
• Good understanding and experience of working on Vue.js/React.js.