React Development Professional

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

Frontend Developer

Responsibilities:

·         Develop our new products

·         Define and design common reusable components

·         Enhance and maintain our existing products

·         Interact with other teams, as well as with our users

·         Act on user feedback

Qualifications:

·         Experience as a front-end or full-stack software engineer in AWS environment

·         Knowledge of modern JavaScript and its fundamentals, as well as JavaScript frameworks such as ReactJs, Redux, Bootstrap, Jest, Material-UI

·         Strong understanding of web technologies like HTML5 and CSS3

·         Experience with a server-side language would be an advantage. We use mostly Python/Java, but any server-side language would be an advantage.

·         Knowledge of AWS API gateway, microservice architecture, serverless architecture, RESTful services

·         Proven ability to learn new technologies

·         Always using good software engineering practices such as code review, source control, continuous integration, and unit testing

·         Ability to work in a team with other developers, with UX Designers, and with Product Management

·         Ability to interact with our users and customers, with clear communication

·         Problem solving skills, strong analytical skills, strong hands on experience, delivery track record of medium/large complexity of projects, TDD/BDD, awareness of CI/CD pipeline

Job Title: Web Designer Job Summary:

We are looking for a creative and detail-oriented web designer to join our team. The ideal candidate should have strong expertise in modern web design technologies, responsive design principles, and front-end development. You will be responsible for designing visually appealing, user-friendly websites while ensuring functionality, performance, and cross-browser compatibility.

Key Responsibilities:

• Design and develop responsive, user-centric websites and web pages.
• Create clean, structured, and SEO-friendly layouts using DIV-based HTML5 and CSS3.
• Develop and maintain responsive designs that adapt seamlessly across desktops, tablets, and mobile devices.
• Utilize Bootstrap, JavaScript, and jQuery to enhance website functionality and user experience.
• Create wireframes, mockups, prototypes, storyboards, user flows, and process flows to support project planning and execution.
• Collaborate closely with developers, designers, and project stakeholders to achieve project objectives and deadlines.
• Implement modern web design techniques using CSS Flexbox, CSS Grid, and other contemporary front-end technologies.
• Ensure websites are optimized for performance, accessibility, and search engine visibility.
• Troubleshoot and resolve design, usability, and functionality issues creatively and efficiently.
• Develop solutions that ensure consistent performance across multiple browsers and platforms.
• Stay updated with emerging web technologies, industry trends, and best practices.

Required Skills & Qualifications:

• Bachelor's degree or equivalent experience in Web Design, Graphic Design, Computer Science, or a related field.
• Strong proficiency in:
• HTML5
• CSS3
• Bootstrap
• JavaScript
• jQuery
• Notepad++
• Experience with graphic design and web design tools such as:
• Adobe Photoshop
• Adobe Dreamweaver
• Solid understanding of responsive web design principles and mobile-first development.
• Expertise in creating structured and maintainable DIV-based layouts.
• Knowledge of CSS Flexbox, CSS Grid, and modern front-end development practices.
• Strong understanding of browser compatibility challenges and cross-browser testing techniques.
• Experience creating wireframes, prototypes, and user journey flows.
• Excellent problem-solving, communication, and teamwork skills.
• Ability to manage multiple projects and meet deadlines in a fast-paced environment.

Preferred Qualifications:

• Knowledge of UI/UX design principles and best practices.
• Familiarity with SEO-friendly web development techniques.
• Experience working in an Agile or collaborative development environment.
• Basic understanding of web performance optimization and accessibility standards.

What We Offer:

• Competitive salary package.
• Opportunity to work on innovative and challenging projects.
• Collaborative and growth-oriented work environment.
• Professional development and learning opportunities.
• Exposure to the latest web technologies and design trends.

Apply now and become part of a team that creates engaging, modern, and impactful digital experiences.

As a Frontend Developer, your responsibilities will include:

• Developing new user-facing features using React.js and integrating with backend services.
• Building reusable components and front-end libraries for future use.
• Translating designs and wireframes into high-quality code.
• Optimizing components for maximum performance across a broad spectrum of web-capable devices and browsers.

Key Performance Indicators:

• Efficiency and quality of the code developed.
• Adherence to project timelines and delivery milestones.
• Positive stakeholder feedback on usability and design.
• Continuous improvement and adoption of best practices in frontend development.

Prior Experience Required:

• Minimum 3+ years of experience in frontend web development.
• Proficient in JavaScript, including DOM manipulation and the JavaScript object model.
• Extensive experience with React.js and its core principles.
• Strong proficiency in HTML5, CSS3, and modern frontend development tools.
• Experience with popular React.js workflows (such as Redux).
• Familiarity with newer specifications of EcmaScript.
• Experience with data structure libraries (e.g., Immutable.js).
• Good understanding of RESTful APIs and modern authorization mechanisms (e.g., JSON Web Token).
• Good to have: Experience with TypeScript and Next.js.

Location:

Hyderabad

Collaboration:

The role involves working closely with backend developers, UI/UX designers, and project managers to deliver seamless, high-quality web applications.

Salary:

Competitive, based on experience and market standards.

Education:

• Bachelor's degree in Computer Science, Information Technology, or a related field.

Language Skills:

• Strong command of Business English, both verbal and written, is required.

Other Skills:

• Excellent problem-solving skills.
• Looking for perfection in development
• Taking Ownership and Accountability in a fast-paced environment.
• Proficiency in code versioning tools, such as Git.
• Knowledge of modern frontend build pipelines and tools.
• Experience with responsive and adaptive design.

Additional Requirements:

• Portfolio of previous projects that demonstrates expertise in frontend development.
• Familiarity with agile methodologies.
• Strong teamwork skills, with the ability to collaborate effectively with colleagues and clients across diverse teams.

Employer:

About RaptorX

RaptorX is a fintech startup focused on redefining fraud detection and prevention in real time for banks, financial institutions, and digital platforms. Backed by top-tier investors, including senior technology leaders from Google, Microsoft, and Peak XV Partners, RaptorX leverages advanced AI models for anomaly detection, and high-throughput architecture to stay ahead of sophisticated fraud patterns.

We are looking for a Lead UI Engineer to design and build multiple channels for user interaction.

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• Design/Architect and develop core features of the UI/frontend.
• Design/Architect and develop policy framework to provide rich UI for various features of the solution.

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Requirements:

• Must have 6+ years of experience in working in frontend technologies
• Must have at least 2-3 years. of experience with Angular2 or above versions.
• Must have at least 5+ years of experience with HTML/CSS/JavaScript/TypeScript.
• Experience with PrimeNG and Vega is a plus
• Strong background in developing UI for Monitoring and Management systems, dealing with topology, and different telemetry such as metrics, traces and logs
• Familiar with containerization solutions like Docker/Kubernetes etc.
• Familiar with serverless technologies like AWS Lambda.
• B.E/B.Tech/MS degree in Computer Science, or equivalent

• MS or BS in Computer Science or equivalent
• 9+ years (or more) experience shipping quality code
• 4+ years’ experience with leading frontend frameworks like Angular 1 to 8 or ReactJS, etc.
• Experience on Ionic Framework, Cardova
• Experience contributing front-end code to a publicly available, consumer-focused web application.
• Solid experience and understanding of HTML5, CSS3, and Javascript (vanilla JS and popular libraries like Underscore.js and jQuery)
• Experience with REST-based API