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

We are seeking a Frontend Engineer who can expand our product portfolio and make life easier for locals and local businesses. As part of this role, you will build experiences that help users engage and feel comfortable with the products and services we offer.

We need you to understand Angular, Vanilla JS, HTML and (S)CSS.
We need you to understand the philosophy of writing clean and modular code.
We need you to take your own stand and do what's right to find a solution.
"I'd rather listen to a possible solution rather than a 'don\'t know'" would be plausible to you.

Technologies mentioned above is what you can relate to while applying but that's just the tip of the iceberg.

If you get a score of 10 below,
We need you

You need at least 5 points to proceed to next round.

Answer the following questions by attaching a document link with the note:

1. Why choose ngRx over shared angular services? 1 point

2. How are fork join and merge map different? 1 point

3. How do we wrap html elements in our custom component? 2 points
   Ex:

This is not a paragraph element

1. How will you handle an error produced by RxJS operator's inner observables without failing any other observables that are yet to emit values to its subscriber, so that all the inner observables including errored ones can be piped to another RxJS operator such as fork join, concatMap etc to be handled smoothly for further operations?

Easiest thing would be to generate a pseudo code.

With above question solve this problem:

[Observables....] -> Emit values simultaneously from the array of observables at once (perform a task when an observable finishes) -> toArray -> [emitted values...] -> process each emitted value one by one -> toArray

This will give you 4 points

1. How does javascript achieve its asynchronous nature being single threaded? 2 points

About SchbangQ:

At SchbangQ, we believe in transforming businesses through technology and creativity. We bring the best minds together to create amazing digital experiences that drive success. Join us and be part of a dynamic, forward-thinking team.

Role Overview:

We are seeking an experienced Frontend Developer to join our growing team. As a front-end developer, you will work with a talented team to build cutting-edge, interactive web applications. This is an exciting opportunity for someone passionate about front-end technologies, especially React.js.

Key Responsibilities:

• Develop and maintain high-quality, responsive web applications using React.js.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Optimize applications for maximum performance across a variety of devices and browsers.
• Write clean, maintainable, and efficient code, ensuring best practices are followed.
• Troubleshoot and debug issues, ensuring smooth functionality.
• Stay up to date with the latest trends and advancements in front-end technologies.

Required Skills:

• 3+ years of professional experience working with React.js and modern JavaScript frameworks.
• Strong understanding of HTML5, CSS3, and JavaScript.
• Experience with state management tools (e.g., Redux, Context API).
• Familiarity with RESTful APIs and integration.
• Strong problem-solving skills and attention to detail.
• Good communication skills and a collaborative mindset.

Good to Have:

• Backend experience (Node.js, Express, or any other server-side technology).
• Familiarity with Flutter and mobile app development.
• Knowledge of version control systems, such as Git.

Benefits:

• Hybrid working model (work from the office and remotely).
• Competitive salary based on experience.
• Access to professional development opportunities.
• Work in a dynamic, fast-paced environment with a focus on creativity and innovation

• Experience in developing apps using Reactjs with Redux, React hooks, react-router with Javascript ES6

• Developing new user-facing features using React.js

• Integrate APIs with frontend components using React.js

• Ensuring user experience determines design choices.

• Developing features to enhance the user experience.

• Striking a balance between functional and aesthetic design.

• Ensuring web design is optimized for smartphones.

• Building reusable code for future use.

• Optimizing web pages for maximum speed and scalability.

• Utilizing a variety of markup languages to write web pages.

• Maintaining brand consistency throughout the design.

• Degree in computer science or related field.

• Understanding of key design principles.

• Proficiency in React.js,HTML, CSS, JavaScript, and jQuery.

• Understanding of server-side CSS.

• Experience with graphic design applications such as Adobe Illustrator.

• Experience with responsive and adaptive design.

About CercleX:-

CercleX is a digital technology platform which is a leading https://cerclex.com/blog/waste-management-in-india/">waste management company in India  with an extended outlook of circularity through its various ventures into the field of sustainability.

We have received FICCI Impactful Cleantech Startup Award, MeitY Emerging Startup Award, TVS Capital Budding Nxt Gen Entrepreneur Award, and many more for our digital solutions enabling transactions between waste generators, and aggregators, processors, and bringing in complete transparency, traceability to the waste ecosystem.

https://play.google.com/store/apps/details?id=com.scrapmarketCCX">Cercle X ScrapMarket is an app that helps you buy and sell scrap by connecting 100% verified buyers and sellers of scrap across India. CercleX helps brands to accomplish their sustainability targets with https://cerclex.com/extended-producer-responsibility/">Extended Producer responsibility and research solid waste managemet on the environment to ensure the environment is eco-free.

• Minimum 4 yrs of experience in React JS.
• Experience building single page frontend applications and reusable components
• Solid experience with the core React ecosystem like React Router, Redux etc.
• Master of HTML, CSS, and other display-centric web technologies.
• Comfortable using git, docker.
• Proficient in Javascript (ES6 / ES7) programming with at least 4/5 years of
• experience.
• Good knowledge in writing frontend test cases.

• Good understanding of asynchronous request handling, partial page updates and Promises.

• Strong Problem Solving skills.

• Strong skills in Javascript and ability to write well documented, clean JavaScript Code.

• Very good understanding of ES6/ES7, JSX and Component Lifecycle.

• Deep practical knowledge of native Javascript, ES6, understanding the internals of frameworks like ReactJS, Angular or any other view libraries.

• Knowledge of modern authorisation techniques, such as JWT Tokens.

• Good understanding of common front-end development tools such as Babel, Webpack, NPM, Yarn etc.

• Has strong communication skills and self-accountability.

Responsibilities

• Delivering a complete front end application
• Ensuring high performance on mobile and desktop
• Writing tested, idiomatic, and documented JavaScript, HTML and CSS
• Coordinating the workflow between the graphic designer, the HTML coder, and yourself
• Cooperating with the back-end developer in the process of building the RESTful API
• Communicating with external web services

Skills and Qualifications

• Proficiency with JavaScript and HTML5
• Professional, precise communication skills
• Deep knowledge of AngularJS practices and commonly used modules based on extensive work experience
• Creating self-contained, reusable, and testable modules and components
• Ensuring a clear dependency chain, in regard to the app logic as well as the file system
• Ability to provide SEO solutions for single page apps
• Extensive knowledge of CSS and JS methods for providing performant visual effects and keeping the framerate above 30fps at all times
• Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
• Validating user actions on the client side and providing responsive feedback
• Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed
• Creating custom, general use modules and components which extend the elements and modules of core AngularJS
• Experience with all levels of operation available to the front-end, such as from creating XHRs in vanilla JS to using a custom wrapper around $resource
• Experience with building the infrastructure for serving the front-end app and assets
• Architecting and automating the build process for production, using task runners or scripts
• Documenting the code inline using JSDoc or other conventions
• Writing extensive unit tests using automated TDD tasks
• Creating e2e test suites for all components, and running them with Protractor (or a well reasoned alternative)
• Creating configuration, build, and test scripts for Continuous Integration environments

Qualifications

• Bachelor’s/Master’s degree in Engineering with 3+ years experience.
• Strong knowledge in HTML5, CSS, SASS/Bootstrap, OOP JavaScript, JQuery & AJAX are preferred.
• Strong knowledge in developing responsive web app, designing models (JSON) and (Server communication (REST APIs) are preferred.
• Strong knowledge in modern Frontend frameworks & libraries like Angular, Redux + React are preferred.
• Strong Knowledge in HTML templates and modern templating technologies are preferred.
• Strong knowledge in modern libraries like React is preferred.
• Knowledge of NodeJS, NPM packages is a huge plus.
• Knowledge of Gulp, Bower is a plus.
• Knowledge of ExpressJS is desirable.
• Knowledge of Docker is desirable.
• Basic Knowledge of relational DBMS and SQL