React.js Developer-S

Job Title: MERN STACK Developer

Location: Hybrid weekly ⅔ days WFO (Bengaluru- India)

About the Role:

We're looking for a passionate and skilled Frontend Engineer with 1–3 years of experience to join our growing development team. This role is front-end-heavy, focused on building clean, scalable, and high-performance user interfaces using the latest technologies in the MERN stack—particularly Next.js, React, TypeScript, and Material UI (MUI).

You’ll work alongside a collaborative and talented team to design and build seamless web experiences that delight users. If you're excited about modern frontend architecture and want to grow in a fast-moving, remote-first environment, we'd love to hear from you.

Key Responsibilities:

• Develop responsive, high-performance web applications using Next.js, React, and TypeScript.
• Translate UI/UX designs into functional frontend components using MUI.
• Collaborate with backend developers, designers, and product managers to deliver new features and improvements.
• Ensure code quality through best practices, code reviews, and testing.
• Optimize applications for maximum speed and scalability.

Must-Have Skills:

• 1–3 years of professional experience in frontend development.
• Strong proficiency in React, Next.js, and TypeScript.
• Experience with Material UI (MUI) or similar component libraries.
• Understanding of responsive design, modern frontend tooling, and web performance best practices.
• Familiarity with Git and collaborative workflows.

Nice-to-Have (Bonus) Skills:

• Familiarity with testing libraries (Jest, React Testing Library, Cypress).
• Experience working with design tools like Figma or Adobe XD.
• Basic knowledge of accessibility (a11y) standards and performance optimization.
• Basic experience with Node.js, MongoDB, or working in a MERN stack environment.
• Familiarity with AWS services or cloud deployment practices.
• Experience with RESTful APIs or integrating with backend services.

Headless Development: Lead the frontend development of our Shopify app, including

building new features, revamping existing functionalities, and optimising performance.

User Interface Design: Collaborate with the design team to implement responsive,

pixel-perfect UI components that align with our brand’s aesthetic and provide an intuitive

user experience.

Custom Theme Development: Create and customise Shopify themes to enhance the

visual appeal and functionality of our online store, ensuring compatibility with various

devices and browsers.

Integration and API Management: Work with third-party APIs and Shopify's API to integrate

necessary functionalities, such as payment gateways, shipping solutions, and marketing

tools.

Performance Optimization: Continuously monitor and improve the app’s performance,

ensuring fast load times, seamless navigation, and a smooth user experience.

Collaboration: Work closely with cross-functional teams, including backend developers,

designers, marketers, and product managers, to deliver high-quality solutions on time.

Code Review and Best Practices: Maintain clean, modular, and reusable code. Participate

in code reviews and ensure adherence to best practices in frontend development.

Troubleshooting and Debugging: Identify and resolve issues, bugs, and performance

bottlenecks in a timely manner to ensure a seamless user experience.

Documentation: Create and maintain comprehensive documentation for code, processes,

and development workflows.

We are looking for a Frontend developer who is proficient with React.js with Html and CSS. The primary focus will be on developing user interface components and implementing them, following well-known React.js workflows such as Redux. The developer would ensure that these components and the overall application are robust and easy to maintain.

Job Description

● Independently think of solutions to complex requirements; possess exceptional logical skills.

● Work on products that are used across platforms (e.g. Android and iOS Mobile Devices,

Tablets, Desktop/Mac)

● Analyse current products in development, including performance, scalability, diagnosis and troubleshooting

● Work with the existing framework and evolve it by building reusable code & libraries

● Search and introduce new software related technologies, processes and tools.

● Collaborate with other team members

● Working on the robustness of the application

Key Skills Required:

● Strong hands-on experience in JavaScript, HTML5, CSS3, CSS3 Animations.

● Good understanding of advanced JS libraries and frameworks such as React.js and Angular.

● Understanding of client-side unidirectional data flow principles and Redux knowledge.

● A good understanding of - React Native - is a big plus.

● UI Performance: should have hands-on experience of optimizing page load, rendering,caching.

● NodeJS, Webpack knowledge is a plus.

● Proficient understanding of cross browser compatibility issues and ways to work around such issues.

● Fluent in responsive design and mobile / tablet UI / UX.

● Web mobile (touch devices: mobiles and tablets) experience is expected.

● Familiarity with JavaScript standards(ES5,ES6) and OOPS concepts.

We are seeking a highly skilled Frontend Tech Lead with extensive experience in React.js developmentand team leadership. As a Tech Lead, you will be responsible for leading a team of developers while alsocontributing to the development of high-quality software solutions using React.js and related technologies.

Responsibilities :

● Lead a team of software developers in the design, development, and implementation of React.js-based software solutions.

● Provide technical guidance and mentorship to team members, ensuring best practices are followed and code quality is maintained.

● Collaborate with product managers, designers, and other stakeholders to understand requirements and translate them into technical solutions.

● Architect and design scalable, maintainable, and high-performance software systems using React.js and related technologies.

● Implement and maintain coding standards, code reviews, and other processes to ensure high-quality deliverables.

● Stay up-to-date with the latest trends and best practices in React.js development and incorporate them into the development process.

● Troubleshoot and debug complex technical issues, providing timely resolutions to ensure project deadlines are met.

● Work closely with cross-functional teams to ensure alignment on project goals, timelines, and deliverables.

● Participate in Agile/Scrum ceremonies such as sprint planning, daily stand-ups, and retrospectives.

Requirements :

● Bachelor's degree in Computer Science, Engineering, or related field.

● Minimum of 8 years of professional experience in software development.

● Extensive hands-on experience with React.js and related libraries/frameworks.

● Minimum 2-3 years of experience in leading and managing software development teams, with a proven track record of overseeing teams of at least 5-6 members.

● Strong understanding of software engineering principles, design patterns, and best practices.

● Experience with implementing or contributing to design systems, which helps maintain consistency across large applications.

● Experience with modern front-end development tools and workflows.

● Proficiency in HTML, CSS, and JavaScript.

● Excellent problem-solving and analytical skills.

● Strong communication and interpersonal skills, with the ability to effectively collaborate with cross-functional teams.

● Understanding and application of security best practices in React applications, such as preventing XSS attacks, managing authentication/authorization securely, and understanding common vulnerabilities.

● Experience with Agile/Scrum methodologies is a plus.

We are looking for a skilled react.js developer to join our front-end development team. In this role, you will be responsible for developing and implementing user interface components using React.js concepts. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.

React.js Developer Responsibilities: 

1.     Reviewing application requirements and interface designs.
2.     Identifying web-based user interactions.
3.     Developing and implementing highly responsive user interface components using react concepts.
4.     Writing application interface codes using JavaScript following react.js workflows.
5.     Troubleshooting interface software and debugging application codes.
6.     Developing and implementing front-end architecture to support user interface concepts.
7.     Monitoring and improving front-end performance.
8.     Documenting application changes and developing updates. 

React.js Developer Requirements: 

1.     Previous experience working as a react.js developer.
2.     In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
3.     Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
4.     Experience with user interface design.
5.     Experience with browser-based debugging and performance testing software.
6.     Excellent troubleshooting skills.

• 5 years professional experience writing full-stack REST-based applications.
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• 2-4 years of experience working with reactJS.
• Thorough understanding of the core principles of ReactJS.
• Prior experience with popular React.js workflows (such as Flux or Redux).
• Knowledge of modern authorization mechanisms, such as JSON Web Token.
• Knowledge of Spring Boot, Spring Security, Spring JPA & Hibernate.
• Experience working with SQL and NoSQL databases.
• Adopted opinionated Restful web services design patterns.
• Knowledge of Application containerization technologies, including Dockers, Kubernetes , and cloud-vendor implementations (AWS, Azure, other).
• Ability to pick up and learn new technologies quickly.
• Strong verbal and written communication skills.

What we're looking for 

AdPushup is an award-winning ad revenue optimization platform and Google Certified Publishing Partner (GCPP), helping hundreds of web publishers grow their revenue using cutting-edge technology, premium demand partnerships, and proven ad ops expertise. Our team is a mix of engineers, marketers, product evangelists, and customer success specialists, united by a common goal of helping publishers succeed. We have a work culture that values expertise, ownership, and a collaborative spirit. 

Your Day-to-Day Tasks Include: 

Ship product, independently and/or as part of a small team 

Collaborate with other engineers to build new features 

Debugging using dev consoles, firebug, firecookie, or any of your favorite tools. Help troubleshoot production issues and resolve critical customer facing issues Provide top-notch support to our customers 

You Should Have: 

3+ years of experience with React. 

A strong body of prior front end work, including significant projects written in React and Redux. Mastery of JavaScript; expertise in most of the following technologies, and proficiency in all of them: CSS3, HTML5, AJAX. 

Deep understanding of closures, prototypal inheritance, HTTP, web security, cross browser compatibility challenges. 

Experience with NodeJS and Express JS will be a plus 

Hands-on with a code management system like GIT, SVN. 

Experience with NoSQL databases, preferably CouchDB or CouchBase. 

Good to have: Experience with Typescript. 

We are looking for a React.js Developer. Your primary focus will be on developing user interface components and implementing them. 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.

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
• Optimising components for maximum performance across a vast array of web-capable devices and browsers

Requirements:

• Good knowledge of JavaScript, HTML and CSS
• Good understanding of React.js and its principles
• Good understanding of state management libraries like Redux
• Good understanding of newer specifications of EcmaScript like ES6 and ES7
• Good understanding of RESTful APIs
• Knowledge of modern authorisation mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelines and tools
• Familiarity with common front-end development tools such as Babel, Webpack, NPM, etc.
• Ability to understand business requirements and translate them into technical requirements
• Good understanding of Git

Minimum Qualifications:

• At least 3 years experience in web development.
• Experience with HTML5 and CSS
• Experience with ReactJS, JavaScript, ES6
• Experience with state management libraries like Redux
• Experience working with Git
• Good written and verbal English skills
• Good attention to detail
• Ability to effectively communicate with internal departments, team members and partners
• Ability to effectively plan and organise
• Ability to work independently under limited supervision

Would be a plus:

• Experience in test automation and test-driven development (Jest, Enzyme)
• Experience with NodeJS and GraphQL
• Knowledge of PWA
• Familiarity with JIRA or any other project management tool
• Experience with AWS/EC2, or other cloud services