React JS Developer

We are seeking a highly motivated Software Development Engineer with expertise in building scalable, extensible and user-friendly web applications. You will work with a fast paced Product Engineering team to build efficient and reusable web applications for mobile and fixed devices. 

What you’ll do:

• Architect, Design, Code reviews and build scalable applications.
• You will be engaged in identifying and addressing performance bottlenecks, and collaborate with other team members to innovate current/new products. 
• Identify, communicate and implement best practices for application engineering. 
• Ensure high scalability and performance

• You will advocate for good, clean, well-documented and performing code; define and follow standards and best practices for front-end development.

We’d love for you to have:

• Experience: 1-3 yrs recent experience of working in a scalable web product firm
• Education: B.Tech/M.Tech  in Computer Science from Top ranked colleges in India
• Excellent software development skills in developing web applications over client-side frameworks - Backbone, React (preferred) and/or angular frameworks (preferred); and server-side frameworks like node.js
• Excellent programming skills in object-oriented, modularised JavaScript, Typescript (preferred)
• Strong knowledge and working experience in server-side Event-driven programming using Node.js
• Excellent programming skills in Javascript,  jQuery, AJAX, YUI.
• Passion for writing optimized code using JS best practices  and design patterns
• Experience with JS or Java-based Unit/Integration Testing using Selenium, Appium, Selendroid
• Hands-on experience in building scalable web applications
• Excellent problem solving and debugging skills
• Good Knowledge of version control - GIT (preferred)
• Experience with the full software development lifecycle, design, develop, debug, document, and deliver (especially in a multiple site organization)
• Strong verbal and written communication skills
• Ability to deliver great results in an agile development
• Good to have: Working knowledge of web standards (i.e., REST) and OOPS
• Good to have: Experience in Data Structures, Algorithms and their optimization

Even if you don’t meet all of these qualifications above, we’d still love to hear from you. Tell us about your unique qualifications in your cover letter.

CaaStle is committed to equality of opportunity in employment. It has been and will continue to be the policy of CaaStle to provide full and equal employment opportunities to all employees and candidates for employment without regard to race, color, religion, national or ethnic origin, veteran status, age, sexual orientation, gender identity, or physical or mental disability. This policy applies to all terms, conditions and privileges of employment, such as those pertaining to training, transfer, promotion, compensation and recreational programs.

Frontend Engineer

React, TypeScript & Production Web Applications

📍 Mumbai (On-site) | Full-time | 3-5 years

About the Role:

Unico Connect is an AI-first technology partner that builds custom mobile, web, and AI products for clients across multiple geographies.

We are hiring a Frontend Engineer who will build production-grade web applications across customer engagements, partnering closely with designers, backend engineers, and AI engineers.

The mandatory requirement for this role is hands-on production experience shipping React applications, with ownership of at least one feature area end to end including state, API integration, and testing.

The role is hands-on.

Expect to implement complex flows, integrate with backend and AI services, contribute to a shared design system, write tests, and review the work of others.

A typical week includes a design handoff review, implementation of a new flow, a code review session, and a working call with a backend engineer on API contracts.

Responsibilities:

Production UI Development

Build production-grade React UI for customer engagements, including complex forms, dashboards, data-dense views, and AI-driven interactions.

API Integration

Integrate with REST and GraphQL APIs.

Handle authentication, streaming responses (Server-Sent Events, WebSockets), retries, and graceful error states.

State Management

Build state architecture using Redux, Zustand, Jotai, or equivalent.

Handle async state, optimistic updates, and cross-component coordination.

Design System Contribution

Implement components within an established design system.

Maintain token discipline and contribute back to shared components.

Testing

Write unit, integration, and end-to-end tests using Jest, React Testing Library, and Playwright or Cypress.

Performance and Accessibility

Profile and optimise rendering and bundle size.

Apply WCAG 2.1 AA practices in everyday work.

AI-Assisted Development

Use Claude, Cursor, and similar tools day to day.

Build discipline for reviewing and validating AI-generated code.

Requirements:

Hands-on Production React Experience (Mandatory)

Must have personally shipped at least one feature area end to end in a production React application, owning state, API integration, and testing.

POCs and internal tools alone do not qualify.

3 to 5 Years of Professional Frontend Engineering Experience

Strong JavaScript, TypeScript, and React

Solid with hooks, context, and modern patterns.

Working comfort with Next.js (SSR, SSG, app router).

State Management

Production experience with Redux, Zustand, Jotai, or equivalent.

CSS and Styling

Strong with Tailwind, CSS Modules, or CSS-in-JS.

Comfortable building responsive layouts.

REST and GraphQL

Comfortable consuming both.

Working knowledge of streaming responses and async patterns.

Testing Fluency

Jest, React Testing Library, and at least one of Playwright or Cypress.

Git and CI/CD Basics

Comfortable with feature branching, pull requests, and CI-integrated test runs.

Strong Written and Spoken English Communication

Nice to Have:

• Experience with editor or canvas UIs
• Storybook
• Animation libraries (Framer Motion, GSAP)
• Exposure to AI-driven UI patterns
• Visual regression testing tools

Hiring - React JS Developer Freelance Consultant (WFH-Remote)

Greetings from Deltacubes Technology!!

Skillset Required:

React JS

Experience:

5+ years

Thanks

Bavithra

Talent Acquisition Specialist

Role: React Developer

Experience: 3 to 8 years

Location: Hyderabad (Initially remote)

No of openings : 3

Technovert is not a typical IT services firm. We have to credit two of our successful products generating $2M+ in licensing/SaaS revenues which is rare in the industry. 

We are Obsessed with our love for technology and the infinite possibilities it can create for making this world a better place. Our clients find us at our best when we are challenged with their toughest of problems and we love chasing the problems. It thrills us and motivates us to deliver more. Our global delivery model has earned the trust and reputation of being a partner of choice. 

We have a strong heritage built on great people who put customers first and deliver exceptional results with no surprises - every time. We partner with you to understand the interconnection of user experience, business goals, and information technology. It's the optimal fusing of these three drivers that delivers 

Role’s Purpose

As a Frontend Engineer, you’ll lead in developing new Productivity-as-a-Service technologies that operate at a massive scale in a broadly distributed multi-tenant cloud environment. Our customers run their businesses on our cloud. Our mission is to provide them with best-in-class content management, collaboration, enterprise data security, and an ever-expanding set of foundational cloud-based services.

As a Product Manager/Analyst, you will always “put the customer first” and have the mentality of “act now and iterate”. You will be part of engineering teams to build innovative cloud-native products. Duties and tasks are varied and complex, needing independent judgment.

Responsibilities: 

• Work closely with the engineering team and a dedicated product manager to build and evolve our growing frontend web applications while we quickly grow our user base.
• Design efficient and attractive user experiences on our React-based web frontend
• Accurately translate user and business needs into functional frontend code
• Build well-abstracted, reusable, highly performant code for UI components
• Proactively anticipate problems and keep the team and management informed in a timely manner
• ·Manage stakeholder expectations across the organization and India site

Must have: 

• Significant professional experience with React.JS, State management frameworks (MobX, Redux, or similar), and use of React Hooks
• Confidence being hands-on from initial wireframes, through prototyping, into building the final product.
• Good knowledge of HTML, CSS, and JSX
• Experience with CSS pre-processing frameworks (Sass, Less Stylus)
• Experience working with REST APIs
• Good understanding of HTTP protocol, WebSocket, SSE, webRTC, and other web technologies
• Practical experience in application delivery process with Webpack, CDN, and Gulp tasks
• Proficiency in testing front-end applications and automated browser testing
• Practical experience with engineering best practice
• ·Proficient understanding of Git

Qualification:  

• Minimum of 3-8 years of industry experience as a software development engineer, web development engineer, front end engineer, or similar
• Bachelor’s degree in Computer Science or related field.
• Good knowledge of HTML, CSS, and JSX
• Proven Experience in the development of technical roadmap and strategies across all levels. Excellent organizational, verbal, and written communication skills.
• Comfortable presenting to large internal groups and leadership team members.
• Maturity, judgment, negotiation/influence, and analytical skills.
• Ability to succeed through collaboration and working through internal and external organizations and individuals.
• Being hands-on and willing to delve deeper into engineering problems if needed.

• REQUIREMENTS

  • Write hand-coded HTML5, JS, and CSS(SCSS) that is thoroughly standards-compliant.

  • Solid Javascript experience.
    -WordPress Must needed
    -Experience designing and developing responsive design websites

  • Knowledge of modern authorization mechanisms, such as JSON Web Token

  • You know how to architect all components of a frontend project

  • You have experience reading API documentation and working with different endpoints to compose the desired effect

  • You know how to run projects through solid processes (things like code reviews, reviewing stories, planning)

  • Ability to understand business requirements and translate them into technical requirements

  • Picks up new technologies quickly and efficiently

  • Uses Git effectively

  • Know how to create tests and why it's important

  • Knowledge of OOP and software design principles

  • You know how to optimize frontend load times, debug rendering issues, and overall provide a smooth experience to the user.

  • Knowledge of responsive frontends

  • You don't have to be an expert in backend tech, but you'll need to understand how to integrate with the backend guys.

  • Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform

• WHAT do WE expect?

  • Someone who is comfortable taking on multiple projects at the same time, juggling tasks.

  • Experience of working in and collaborating with teams

  • Should take ownership of tasks.

  • Acumen. You must be able to think and judge multiple solutions for a problem and be able to reason between them.

   

  GOOD TO KNOW

  • Experience in Linux and command-line interface.

  • JS/Webpack/Browserify.