React.Js Developer

Join our core Platform Implementation Team to build intuitive, high-performance user interfaces for a cutting-edge enterprise Data & AI platform. You will develop scalable frontend applications including AI agent marketplaces, operational dashboards, and real-time chat interfaces that integrate seamlessly with backend APIs to support global business units and insurance advisors.

Key Responsibilities

• Design and develop responsive user interfaces for AI-driven applications such as web/app chat interfaces, AI copilots, and personalized content delivery systems.

• Build complex, data-rich dashboards supporting MLOps, GenAIOps, and AgentOps workflows to monitor model performance, manage approval gates, and track infrastructure costs.

• Develop a centralized Agent Marketplace portal for discovering, publishing, and managing reusable AI agents with strict versioning and access controls.

• Integrate frontend applications with APIs to consume reusable AI business services (e.g., document intelligence) and enterprise data products.

• Handle real-time data streams and asynchronous interactions to ensure smooth, low-latency user experiences for chat SDKs and streaming APIs.

• Implement robust state management solutions to support complex user workflows, session states, and multi-step AI agent interactions.

• Optimize frontend performance for high-traffic enterprise applications ensuring fast load times, smooth rendering, and cross-browser/device compatibility.

• Ensure all frontend implementations follow enterprise security standards, data privacy requirements, and WCAG accessibility guidelines relevant to the BFSI sector.

• Collaborate closely with UI/UX designers, backend engineers, integration engineers, and ML architects to bridge design and technical implementation.

• Write and maintain comprehensive unit and integration tests to ensure UI reliability and prevent regressions during continuous deployment cycles.

Must-Have Skills

• Experience with modern frontend frameworks such as React, Next.js, Angular, or Vue.js for building complex SPAs and SSR applications.

• Strong proficiency in JavaScript (ES6+) and TypeScript for writing scalable, maintainable, and type-safe code.

• Familiarity with modern styling approaches such as Tailwind CSS, SASS/LESS, Styled Components, Material UI, Ant Design, or Bootstrap.

• Experience building interfaces for AI/ML platforms, such as chatbot UIs, prompt engineering tools, or complex data visualization dashboards.

• Experience integrating frontend applications with REST APIs, GraphQL, WebSockets, and handling asynchronous data fetching using tools like React Query, SWR, or Axios.

• Familiarity with cloud-native deployment environments such as GCP Cloud Run, Firebase, or Azure Static Web Apps and build tools like Vite or Webpack.

• Hands-on experience with frontend testing frameworks including Jest, React Testing Library, Cypress, or Playwright.

• Experience integrating enterprise Identity and Access Management solutions such as OAuth 2.0, OIDC, or MSAL.

• Understanding of CI/CD pipelines for frontend applications and automated deployment workflows.

Good to Have

• Experience in the Life Insurance or broader BFSI domain with familiarity with user personas such as insurance agents, underwriters, or policyholders.

We’re Hiring – Frontend Developer (3.js)

Location: Chennai

Experience: 0–1 Years

At Hexr Factory, we are always exploring the possibilities to bridge the physical and digital worlds. We design and build Metaverse and Digital Twin technologies for the future of industry and entertainment.

We are looking for a Frontend Developer (3.js) to join our team in Chennai. The role involves designing, building, and configuring applications to meet business and application requirements using React Three Fiber, JavaScript, HTML5, CSS, TypeScript, and ES6.

The ideal candidate will have experience working with Three.js, WebGL, and Canvas/CSS animations, along with knowledge of browser-based 3D rendering and 3D graphics. You should be comfortable collaborating with the design team to implement a clean, elegant user experience and be capable of building scalable, high-performance web applications.

Qualifications:

Bachelor’s or Master’s degree in Mathematics, Commerce, Computer Science, Electronics, Electrical, or Mechanical Engineering with a consistent high academic track record.

0–1 years of relevant experience.

Skills Required:

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

Experience using TypeScript to develop UI components with React and Angular.

Knowledge of 3D technologies such as WebGL and Three.js.

Basic understanding of 3D mathematics.

Familiarity with REST/JSON and Git.

Passion for new technology and innovation.

Ability to write clean, maintainable code.

Excellent verbal and written communication skills.

If you are passionate about technology, eager to learn, and excited about working on 3D applications and digital innovation, we’d love to hear from you.

Job Description:

Translating system requirements into the design and development of systems.
Transform vital business needs into code and drive innovation.
Collaborating and integrating code into enterprise systems.
Creative problem-solving skills.
Attitude to achieve the goals with complete ownership and hard work.

Technical Skills:

Must Have:

• 2+ Years of experience in UI/Front-end development of rich interactive web-based applications or modules.
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Experience working as a React.js Developer. Thorough understanding of React.js and its core principles.
• In-depth knowledge of JavaScript, CSS, HTML, HTML 5, JSON, XML and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme.
• Knowledge of MVC Pattern and Architecture. Experience with popular React.js workflows (such as Flux or Redux)
• Experience with user interface design.
• Experience with web debugging and performance testing software.
• Experience in all testing phases of development including Unit & Integration Testing.
• Excellent troubleshooting skills.
• Team player
• Excellent time-management skills

Beneficial:

• Working experience with Core Java.
• Knowledge of Jquery , Nodejs, Bootstrap, Struts, Spring, Hibernate, JSP, JSF, Angular, Vue,js Framework.
• Working with Databases (MSSQL, Oracle, Postgres)
• Working experience on source code version control systems (SVN, GIT)
• Working experience on Issue Tracking tool e.g. Jira, Bugzilla
• Working experience on Code Analysis tools e.g. Sonar Qube, Checkmarx.
• Experience in Restful Web Services integration.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Independent worker
• Great interpersonal and communication skills

Responsibilities

• Participate as a team member in all phases of software development lifecycle.
• Co-ordinating with the team on individual responsibilities and roadblocks.
• Perform design, development and testing on individual tasks
• Managing initiatives on UI/UX work
• Transparently share the challenges & feedbacks.
• Participate in integrated testing of product/ package.
• Designing a modern highly responsive web-based enterprise application component user interface.
• Building reusable components and front-end libraries for future use.
• Translating designs and wireframes into high-quality code.
• Learn and understand user interactions.
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers
• Coordinating with various teams working on distinct layers.
• Providing technical assistance to the other teammates.
• Keep compliance with Quality Systems and Procedures.

Must Have

Degree in Computer Science or related field.
3 - 4 years’ experience in Angular or React.
Expertise in responsive and adaptive front end design and development. Proficiency in HTML, CSS, JavaScript, and jQuery.
Experience is RESTful web services.
Understanding of key design principles.
Experience in version control using Git, CI-CD principles.
Good problem-solving skills.
Excellent verbal communication skills.
Good interpersonal skills.

Nice to have

Experience with graphic design applications such as Adobe Illustrator. Understanding of SEO principles.
Knowledge of Cloud technologies like AWS or Azure. 

JD:
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

Knowledge of isomorphic React is a plus

Familiarity with RESTful APIs

Knowledge of modern authorization mechanisms, such as JSON Web Token

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 such as Git