React JS Developer

About the Role:

We are hiring a Senior Frontend Engineer to build high-performance, scalable, and visually refined web applications. This is a hands-on engineering role focused on architecture, performance, and crafting exceptional user experiences.

You will work closely with design, product, and backend teams to build robust frontend systems, define engineering standards, and ship production-grade features that scale.

Responsibilities:

- Build scalable, modular frontend applications using React, Next.js, and TypeScript

- Architect component-driven UI systems and reusable design libraries

- Implement robust state management using Redux, Zustand, or similar

- Optimize Core Web Vitals, performance, and accessibility (WCAG)

- Translate Figma/design specs into pixel-perfect, production-grade interfaces

- Improve build systems, CI/CD pipelines, and developer tooling

- Implement testing strategies — unit, integration, and E2E (Jest, Cypress, Playwright)

- Mentor junior engineers and define engineering standards

- Collaborate with backend teams to design API contracts and integrations

Must Have:

- 5+ years of experience in frontend engineering

- Strong expertise in JavaScript/TypeScript and React/Next.js

- Experience building scalable frontend architecture from scratch

- Deep understanding of browser rendering, performance, and optimization

- Strong grasp of responsive design and accessibility best practices

- Experience with state management — Redux, Zustand, or similar

- Ability to write clean, maintainable, production-ready code

Good to Have:

- Experience building design systems or component libraries

- Familiarity with SSR/SSG and performance-driven architectures

- Experience with micro-frontends or large-scale frontend systems

- Exposure to cloud deployment workflows and frontend observability

- Three.js or WebGL experience

Tech Stack:

JavaScript / TypeScript · React · Next.js · Tailwind · Redux / Zustand · Webpack / Vite · Jest · Cypress · Playwright · GraphQL · REST APIs

Work Details:

- Location: HSR Layout, Bengaluru (Work from Office)

- Working Days: 6 days/week (Mon-Fri WFO, Sat WFH)

- Employment Type: Full-time

Compensation:

- Competitive salary

- Stock options with 4-year vesting

- Performance-based incentives

To Apply:

Share your resume, GitHub profile, portfolio or live product links, and a short note on a challenging frontend problem you solved.

Wissen Technology is hiring for React Developers!

Required Experience & Qualifications:

• 2+ years of Javascript or Typescript experience
• 2+ years of experience with React.js, HTML, CSS, Javascript
• Experience of working with MongoDB.
• Experience of working with libraries like Mobx, React Native Paper, React Navigation. proper understanding of the component lifecycle, what happens behind the scenes when state changes occur, etc.

About Wissen Technology:

Website : www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

LinkedIn: https://www.linkedin.com/company/wissen-technology

Overview

Adesso India specialises in optimization of core business processes for organizations. Our focus is on providing state-of-the-art solutions that streamline operations and elevate productivity to new heights.

Comprised of a team of industry experts and experienced technology professionals, we ensure that our software development and implementations are reliable, robust, and seamlessly integrated with the latest technologies. By leveraging our extensive knowledge and skills, we empower businesses to achieve their objectives efficiently and effectively.

Job Description

We are seeking skilled Senior Frontend Developer with expertise in the PHP/Symfony im CMS/DXP/E-Commerce environment to join our dynamic team. As a Senior Frontend Developer, you will be responsible for developing and maintaining Web Portals and Shop Projekts for our Domain Name applications. You will collaborate with cross-functional and agile teams to design, develop, and deploy high-quality software solutions.

Responsibilities:

Develop and maintain frontend components for web applications using:

Symfony (must have)

Drupal (nice to have)

Ibexa (nice to have)

Shopware (nice to have)

Work closely with backend developers to ensure seamless integration and data flow.

Optimize frontend performance to ensure fast loading and smooth user interactions.

Implement best practices for web accessibility (WCAG) and cross-browser compatibility.

Ensure responsive design and mobile-first principles are consistently applied.

Maintain high-quality coding standards, documentation, and unit testing. 

Requirements:

Proven experience as a Frontend Developer with expertise in Symfony (must have).

and/or Symfony based CMS/DXP or Shop systems (nice to have).

Strong proficiency in HTML5, CSS3, jQuery and JavaScript(must have).

Experience with Vue.js, React, Nuxt.js (nice to have).

Frontend-API, , Frontend-Testing-Frameworks (nice to have).

Experience with PHP templating and frontend integration within PHP-based systems.

Twig-Templating, Tailwind or Bootstrap (must have).

Familiarity with frontend build tools (e.g., Webpack, Babel, npm/Yarn) (nice to have).

Experience in UI/UX best practices and component-based design (must have).

Excellent understanding of responsive design, mobile-first principles, and frontend performance optimization (must have).

Strong collaboration skills to work effectively in cross-functional teams (must have).

Skills & Requirements

Symfony, Drupal, Ibexa, Shopware, HTML5, CSS3, jQuery, JavaScript, Vue.js, React, Nuxt.js, Frontend-API, Frontend-Testing-Frameworks, PHP templating, Twig-Templating, Tailwind, Bootstrap, Webpack, Babel, npm, Yarn, UI/UX, Component-based design, Responsive design, Mobile-first principles, Frontend performance optimization, Cross-functional collaboration.

• 5+ years of relevant experience as an individual contributor working on the frontend technologies
• Strong technical foundation and experience building user interfaces for complex applications.
• Deep proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js core principles and experience with latest React concepts like hooks, context APIs
• Experience with popular state management libraries like Redux, Flux
• Familiarity with newer specifications of ECMAScript and knowledge of modern authorization mechanisms, such as JSON Web Token
• Experience with common front-end build tools such as Babel, Webpack, NPM, etc.
• Familiarity with Git
• Hands on experience with markup languages
• Background contributing best-practices and architectural leadership to front end applications
• Demonstrable understanding, and experience in dismantling large, abstract problems into smaller, workable tasks.
• Strong interpersonal skills with the ability to effectively collaborate cross functionally with designers, product managers and other engineers.

Knowledge and Skills:

• Writing semantic, modern, and accessible HTML mark-up.
• ReactJS (v17),Type Script, HTML, CSS
• Organizing and writing modular, well-structured CSS.
• Mastery of turning complex mock-ups into performant components/pages.
• Strong familiarity with Vanilla JS and up to date with the latest TypeScript features.
• Experience with writing scalable and performant code for a high-traffic website.
• Experience and/or knowledge of both Object Oriented Programming and Functional Programming principles.
• Willingness and desire to learn new and legacy frameworks.
• CSS pre-processing via SCSS.
• Experience with JS frameworks such as React, Redux, Backbone, or Marionette.
• Experience with Continuous Integration or Continuous Delivery.