Frontend Developer

Job Summary:

We are looking for a passionate Frontend Engineer with 2 to 4 years of experience to build high-quality, scalable, and user-friendly web applications. You will work closely with cross-functional teams to bring ideas to life using modern JavaScript frameworks, maintaining best-in-class UI standards, performance, and code quality.

Website: https://www.thealteroffice.com/about

Key Responsibilities:

• Develop and maintain modern, high-performance, and responsive web applications using JavaScript frameworks such as React, Vue, or Next.js.
• Translate product designs from tools like Figma into pixel-perfect, accessible, and consistent UI components.
• Build reusable components and contribute to shared design systems or UI libraries.
• Manage state effectively using tools like Redux, Zustand, or Context API.
• Ensure applications are responsive, cross-browser compatible, and adhere to accessibility standards (WCAG).
• Optimize frontend performance using tools like Lighthouse, Web Vitals, and browser profiling.
• Use TypeScript to write type-safe and scalable code.
• Write unit, integration, and E2E tests using frameworks like Jest, Testing Library, Cypress, or Playwright.
• Work with backend teams to design APIs and ensure efficient, secure frontend-backend integration.
• Implement frontend security best practices, such as XSS protection and CSP.
• Use tools like Tailwind CSS, Framer Motion, and Styled Components for rapid, modern UI development.
• Contribute to CI/CD workflows, version control using Git, and deploy applications using platforms like Vercel, Netlify, or Firebase.
• Participate in code reviews, share knowledge, and help drive technical excellence across the team.

Requirements:

• 2 to 4 years of experience building and shipping frontend applications in a professional setting.
• Proficiency in JavaScript (ES6+), HTML5, and CSS3, with a strong understanding of modern frontend architecture.
• Hands-on experience with at least one JavaScript framework/library (React preferred).
• Strong knowledge of TypeScript and state management tools.
• Solid understanding of UI/UX best practices, including responsive design, performance, and accessibility.
• Experience with testing methodologies and automation tools.
• Familiarity with design systems, component libraries, and modern build/deployment tools (Webpack, Vite, Vercel, etc.).
• Comfortable working in agile teams, collaborating with designers, product managers, and backend engineers.

● Design and develop responsive and visually appealing web applications and user interfaces using HTML, CSS, and JavaScript, React frameworks.

● Collaborate with UX designers, product managers, and software engineers to understand project requirements and translate them into interactive, user-friendly interfaces.

● Ensure the technical feasibility of UI/UX designs and optimise applications for maximum speed and scalability.

● Conduct code reviews and provide constructive feedback to team members, fostering a culture of continuous improvement.

● Stay updated with the latest industry trends, best practices, and emerging technologies in UI development, and recommend their integration to enhance our products.

● Identify and address performance and compatibility issues across different browsers and platforms.

● Champion UI development best practices, standards, and guidelines within the development team.

● Collaborate with backend developers to integrate front-end interfaces with server-side logic and APIs.

● Troubleshoot and debug UI-related issues and provide timely resolutions.

● Mentor junior developers, assisting them in enhancing their skills and knowledge in UI development.

● Write and encourage other engineers to write automated tests.

Skills/ Experience

● Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent practical experience).

● Proven experience as a UI Developer or Front-End Developer, with at least 3+ years of hands-on experience in building user interfaces for web applications.

● Proficiency in front-end technologies such as TypeScript, Tailwind, React, Redux.

● Strong understanding of responsive design principles.

● Solid knowledge of web performance optimization techniques and best practices.

● Familiarity with Figma and other UI/UX design tools, to collaborate effectively with designers.

● Demonstrated experience in writing UI components to corresponding backend APIs and Databases.

● Excellent problem-solving skills and ability to troubleshoot complex UI-related issues.

● Strong communication and collaboration skills, with the ability to work effectively in a team-oriented environment.

Job description:- 

• Strong experience with Angular 2+ and above along with other technologies like HTML5, CSS, jQuery and YUI.
• Strong knowledge of JS Fundamentals.
• Design & development of Angular applications as per desired specifications, along with experience in frameworks/libraries like jQuery, Bootstrap etc.
• Own end-to-end product modules/features (from the requirement to going live)- Design & code review, troubleshoot & help team members on issues.
• Gather requirements by interacting directly with the end-users.
• Research on open source framework/technology required for developing the feature/application

Job Responsibilities:

• Collaboratively work with UX team, product managers, back-end engineers and other technical teams to create new, delightful and scalable UI
• Mentor junior members through training and individual support
• Responsible for all front end development on a project
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Identify and troubleshoot UX problems (e.g. responsiveness)
• Conduct layout adjustments based on user feedback
• Adhere to style standards on fonts, colors and images
• Optimize existing user interface designs
• Proactively learn and accordingly apply new technologies, best design practices and usability patterns

The ideal candidate must - 

• 5+ years of experience working with React or React-based frameworks
• Proficiency with browser-based debugging and performance testing
• Proficiency in Git and version control
• Considerable experience with a testing framework (Jest/Mocha)
• Familiarity with RESTful APIs and GraphQL
• Knowledge of modern authorization mechanisms, such as JWT Tokens
• Good understanding of common front-end development tools such as Babel, Webpack, NPM, Yarn etc
• Hands-on experience with CSS-in-JS libraries
• Proficient understanding of cross-browser compatibility issues and ways to work around them
• Keen to learn, mentor and willingness to take ownership of work items
• Possess strong communication and self-accountability

• Minimum 3 years experience in React redux and Flux
• 3 years experience in Frontend skills
• Familiarity with database technology such as MySQL,  MongoDB. ·
• Good communication. 

Senior Front End Engineer (React.js & React Native - Mobile Experience)

Job description

Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at a massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.

As a Front End software engineer, you will work on the ReactJS & React Native (Mobile Experience) powered user interface used by Fulfil merchants to manage their back-office operations. This is mission critical software and your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux) & React Native (Mobile Experience). You will ensure that these components and the overall application are robust and easy to maintain. In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality are important.

What You’ll Do:

• Collaborate with a small yet extraordinarily talented team of engineers to implement front-end technologies
• Develop new user-facing features using React.js & React Native (Mobile Experience)
• Work closely with the Design and Product teams to translate complex technical workflows into delightful user experiences
• Define how Fulfil builds user interfaces and ensure that we’re utilizing and keeping up with modern web standards
• Continually test, measure, and iterate on the results of your work in the spirit of continuous improvement
• Write clean, reusable, and well-tested front-end code
• Help to bridge the responsibilities of the Product and Engineering teams, spending time with both on the way to launching new products
• Architect efficient and reusable front-end abstractions and systems that drive complex web applications
• Build and contribute to open source projects
• Build reusable components and front-end libraries for future use
• Optimize components for maximum performance across a vast array of web-capable devices and browsers

Requirements

We’re Looking for Someone With:

• 5+ years of experience as an engineer
• Experience in building large-scale web applications in a fast-moving team environment
• A strong understanding of UX and UI design standards
• The perfectionist’s touch on a pragmatist’s deadline: you strive for pixel-perfection and intuitive functionality
• Strong proficiency in JavaScript (2-4 Years of experience), including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js & React Native (Mobile Experience) and its core principles, with experience in popular React.js workflows (such as Flux or Redux) 
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc
• The ability to bring any design to life with HTML and CSS, with cross browser compatibility and accessibility
• Smarts, humility, communication skills, and equal willingness to teach and learn
• Familiarity with RESTful and GraphQL APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Experience in developing large client side JavaScript applications
• Familiarity with code versioning tools like GIT
• Experience with Javascript testing tools and test automation

Nice to Haves:

• Prior experience at a growth stage Internet/Software company
• Demonstrated work beyond the front-end, experienced in integrating with a wide array of back-end technologies and services (e.g. experience with Python, AngularJS)
• Experience developing large client-side applications and optimizing them for performance
• You can straddle client and server development, creating APIs that drive web apps
• You understand the intricacies of timezones
• Web optimization, performance tools, and load testing
• You maintain or contribute to an open-source project

• Experience in web technologies (Object-Oriented JavaScript, HTML, CSS) and experience with web standards, including HTML5 and CSS3
• In depth understanding of Angular concepts and structures
• Should have strong debugging skills on Developer Tools of the browser and Working with Cross Browser UI
• Should have solid understanding and experience (at least 1+ years) with Object-Oriented design and development
• Strong verbal and written communication skills
• Proactive attitude to problem resolution
• Ability to work in a fast-paced environment, and manage time efficiently to meet project timelines
• Ability to work well independently, or with remote teams

• Experience in Agile Software Development projects
• Knowledge on how to create modules and libraries with angular and publish it on platform like npmjs.
• Knowledge on Nrwl's developer tools
• Experience in writing Unit Testing cases.
• Capable to perform code reviews and provide code to optimize performance of the application.