React.js Developer

Job Title : UI Software Engineer

Experience : 5+ Years

Location : Pune / Hyderabad

Work Mode : Hybrid

Employment Type : Contractual (6 Months + Extendable)

🚀 About the Role :

We are looking for a UI Software Engineer to build scalable, high-performance web applications using modern frontend technologies. You will work closely with product, design, and backend teams to deliver seamless user experiences while leveraging AI-assisted development tools.

🔥 Mandatory Skills :

React + TypeScript, GraphQL (Apollo Client), Jest/React Testing Library (MSW), Webpack/CI-CD, AI tools (GitHub Copilot/Cursor), microservices integration.

🔧 Key Responsibilities :

• Develop and deliver user-facing features using React & TypeScript.
• Build reusable, scalable UI components aligned with design systems.
• Integrate frontend with GraphQL (Apollo Client) and microservices.
• Collaborate with designers to implement pixel-perfect UI from Figma.
• Ensure performance, accessibility (WCAG), and cross-browser compatibility.
• Write unit/component tests using Jest & React Testing Library.
• Maintain frontend tooling (Webpack, ESLint, Prettier, CI/CD).
• Use AI tools (GitHub Copilot, Cursor AI) to improve productivity.
• Contribute to AI-driven automation (UI testing, component generation, etc.).

🧠 Required Skills :

• Strong experience in React + TypeScript.
• Hands-on with GraphQL (Apollo Client).
• Solid knowledge of HTML, CSS, JavaScript (ES6+).
• Experience with frontend testing (Jest, RTL, MSW).
• Familiarity with microservices architecture.
• Exposure to AI-assisted development tools.

⭐ Good to Have :

• Experience with NestJS backend integration.
• Knowledge of Cypress / Playwright.
• Exposure to LLMs / AI automation / agent workflows.
• Understanding of performance optimization & design systems.

About Us:

We are a fast-growing startup building AI-powered solutions centered around intelligent agents. Our mission is to deliver seamless, intuitive interfaces that make advanced AI accessible to real users through modern, responsive web applications.

Role: Full Stack Developer Developer

We’re looking for a Full Stack Developer who can design and develop production-ready web applications with excellent frontend user experiences and robust backend systems. You’ll work closely with our AI, product, and design teams to build interactive platforms connecting users with intelligent AI agents.

Responsibilities:

• Develop, test, and maintain end-to-end web applications with modern frontend frameworks and scalable backends.
• Collaborate with AI engineers to integrate agent-driven APIs and real-time data into the UI.
• Design and implement RESTful/GraphQL APIs and efficient database structures.
• Optimize application performance, load times, and user responsiveness.
• Write clean, modular, and reusable code following software design principles.

Requirements:

• THE CANDIDATE MUST BE COMFORTABLE WITH FRONTEND DEVELOPMENT AND HAVE A STRONG UNDERSTANDING OF UI/UX DESIGN PRINCIPLES.
• Strong expertise in Frontend Technologies:React.js,HTML, CSS
• JavaScript,TypeScript, and DOM manipulation.
• State management (Redux, Zustand, Context API,Rest API).
• UI libraries like Material UI, Tailwind CSS, or Bootstrap.
• Proficiency in Node.js and Express.js for backend development.
• Strong understanding of database design (MongoDB, PostgreSQL, or MySQL).
• Knowledge of API design patterns, MVC architecture, and low-level OOP design.
• Hands-on experience with Git/GitHub, version control, and collaborative workflows.
• Awareness of real-time data handling (WebSockets), security, and performance optimization.
• Prior experience building or deploying production-grade web applications through past experience and internships.
• Exposure to AI-powered or multi-agent systems.
• Familiarity with Figma or other design collaboration tools.

What You’ll Gain:

• Hands-on experience building real-world AI-integrated full-stack applications.
• Opportunity to work on frontend architecture, design systems, and API integrations.
• Mentorship from experienced full-stack and AI engineers.
• Pathway for conversion to a full-time position based on performance.

FirstFiling is a FinTech startup that is managed, operated, and driven by Chartered Accountants, Company secretaries, IT engineers, and Lawyers. We provide registration and financial compliance services to businesses and individuals across India.

Our aim is to simplify the lives of people by helping individuals and businesses with mandatory compliances, filings, and statutory requirements while promoting financial literacy among the masses. 

Technology Profile-

The candidate must have experience in the following technologies (the more the better):

Frontend:

Core - JavaScript, CSS, Bootstrap, etc.

Frameworks - ReactJS, Angular, Vue, etc.

Requirements:

• Ability to reuse components
• Proven experience in working with Git and Github 
• Creating and consuming a RESTful API
• You must have clear concepts of client-server architecture
• Familiarity with MVC (Model-View-Controller) design patterns
• Understanding of OOP concepts

Furthermore, the candidate must have built or published any web app or project through which they can demonstrate their experience and knowledge of the aforementioned technologies and requirements. 

Desired Candidate profile

● Architect and build scalable front-end web solutions using JavaScript, React, HTML, CSS and other fundamental web technologies. 
● Build reusable code and libraries using iterative development practices for future use

● Ensuring high performance on mobile and desktop. 
● Implement monitoring, metric dashboards, runbooks, logging, escalations, and alerts.

● Drive code and design reviews of components / systems / products in scope and drive the architectural governance for them. 
● Implement best practices and constantly learn new ways of keeping code bases up to date 
 
Roles and Responsibilities:

● A solid grounding in Computer Science fundamentals (based on a Bachelor's or Master's in Computer Science or related field) from reputed institutes 
● 4+ years of development experience in modern web technologies (HTML/CSS, JavaScript), frameworks (React, Backbone.js, AngularJS, , etc) 
● Ability to build a feature from scratch & drive it to completion 
● Prior hands-on experience in building responsive web interfaces at scale for consumers in a product engineering setup 
● Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system 
● Excellent problem solving, debugging and optimization skills 
● Strong knowledge of browser behavior, performance, compatibility and cross-browser issues 
● Good understanding of REST API 
● Familiar with front-end build tools, such as Webpack, Grunt and Gulp.js
● Proficient understanding of code versioning tools, such as Git 
● Open source contribution is a plus. 

About our organization background: http://sportsit.net/" target="_blank">http://sportsit.net/ 

SportsIT A London headquartered global technology firm specializing in working with technology firms and IT organizations in the emerging technologies such as Web 2.0, SaaS, Cloud, Open-source, BI/DW, Mobility, Automation, DevOps and Big Data. 

We work only on the Sports, Games, Betting and Gambling industry.   

Job Description: React.JS Developer role

Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.

Thorough understanding of React.js and its core principles.

Experience with popular React.js workflows (such as Flux or Redux)

Familiarity with newer specifications of ECMAScript.

Experience with data structure libraries (e.g., Immutable.js)

Knowledge of isomorphic React is a plus.

Familiarity with RESTful APIs.

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

Familiarity with modern front-end build pipelines and tools.

Experience with common front-end development tools such as Babel, Webpack, NPM, etc.

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

A knack for benchmarking and optimization.

Familiarity with code versioning tools.

Experience in years: 3+.  Less than 7.

Type: Individual contributor with good hands on proficiency.

Specifics:

• Writing HTML, CSS, and JavaScript. Being up on latest practices is a must, e.g., HTML5, CSS3, and ECMAScript 6 (minimum)
• Familiarity with a relevant and globally supported framework— both front-end and back-end, if necessary — React & React Native.
• Ideally, familiarity with CSS preprocessors, bundlers, and associated languages/syntaxes/libraries - Sass, Less, webpack
• Experience implementing testing platforms and unit tests
• Integrating front-end UI with the constructed API, using REST, GraphQL api

Soft skills:

• Appreciation for clean and well documented code

What you will do at Tradyl

• Partner with a highly skilled external consultancy and lead the effort of building a new modern front end to our website. 
• We use a no code platform for rapid development in this phase of our Journey. You will develop features on this platform. This might involve integration with back end APIs via REST.  
• Do short experiments: Example,  Evaluate a backend headless commerce software as a potential candidate for our backend tech stack.

• 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.