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.

Wissen Technology is Hiring for React Developer

About Wissen Technology:

At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide. Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Today, Wissen Technology has a global footprint with 2000+ employees across offices in the US, UK, UAE, India, and Australia. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.

Job Summary:

We are seeking highly motivated React Developer

Experience: 8+ Years

Location: Pune/ Mumbai

Mode of Work: Full Time

Key Responsibilities:

• Should have 8+ years hands on experience in web technologies like JavaScript, HTML5 & CSS.

• Expert level knowledge of JavaScript including latest edition(s) of JavaScript (ES2023). Knowledge of typescript is a plus.

• Hands on experience with JavaScript frameworks like React 17 and above versions

• Good understanding of asynchronous request handling, partial page updates like Promises, RxJS

• Proficient in advanced CSS3, HTML5 and Bootstrap. Exposure to css-in-js libraries like styledjs or others is beneficial.

• Able to translate mockups in figma or illustrator to actual working components.

• Working experience on testing tool like karma/jasmine/enzyme.

• Basic understanding of nodejs is beneficial.

• Proficient understanding of code versioning tools, such as Git

• Excellent analytical/reasoning skills

• Good team player

• Excellent written and verbal communication skill

• As a lead engineer, you will be expected to execute and deliver large and complex projects end-to-end, with or without the involvement of other team members.
• Participate in code reviews, app architecture, and design discussions.
• Ensuring timely delivery of all product deliverables.
• Be the go-to person for the team for guidance and troubleshooting. 
• Mentoring junior developers and set best practices for coding, reviews, etc.
• Ensuring performance and scalability in all new product features being developed. 

• Overall of 5+ years expertise in writing HTML/CSS/JavaScript 
• Experience in Angular and preferably React.js
• Expertise in database modeling, preferably relational DB, spotting DB bottlenecks, and writing optimized DB queries.
• Expertise in all common AWS cloud technologies, knowledge of CI/CD tools, and workflows.

React.js Developer:

Job Description:

We are looking for a skilled react.js developer to join our front-end development team. In this role, you will be responsible for developing and implementing user interface components From Figma using React.js concepts and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.

To ensure success as a react.js developer, you should have in-depth knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive web applications. Ultimately, a top-class react.js developer should be able to design and build modern user interface components to enhance application performance.

Responsibilities:

• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.
• Identifying web-based user interactions.
• Developing and implementing highly responsive user interface components using react concepts.
• Writing application interface codes using JavaScript following react.js workflows.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates.

Requirements:

• Bachelor’s degree in computer science, information technology, or a similar field.
• Previous experience working as a react.js developer.
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience with user interface design.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.
• Good project management skills.
• Experience with Figma

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.

UI Developer

Notice Period: 45 days 

Banyan Data Services (BDS) is a US-based Infrastructure services Company, headquartered in San Jose, California, USA. It provides full-stack managed services to support business applications and data infrastructure.  We do provide the data solutions and services on bare metal, On-prem, and all Cloud platforms. 

We are looking for UI Developer whose primary task will be to design and implement user interfaces for maximum usability and performance in web applications.

If you have a creative mind, top-notch technical skills, a strong sense of user interface design, and are passionate to be a part of a rapidly growing rocket ship startup, run by a world-class executive team then you are on right track.

Key Roles & Responsibilities

· Work in a team to design and build software applications to function across multiple platforms and technologies.

· Use coding to develop the aesthetics implemented within a website or product, from the layout menus and drop-down options to colors and fonts

· Combine interface design concepts with digital design and establish milestones to encourage cooperation and teamwork

· Develop overall concepts for improving the user experience within a business webpage or product, ensuring all interactions are intuitive and convenient for customers

· Write code in addition to testing and debugging code on a variety of platforms to comply with company standards

· Perform the technical analysis on both new and existing applications and their performance in several system formats

· Collaborate with back-end web developers and programmers to improve usability

· Seek to enhance the user experience by creating seamless navigation through various digital programs and interfaces within the company

· Create surveys for research through various social media platforms to gather feedback on user's ease of use and incorporate the findings in the development

Key Skills & Qualification

· 3+ years of demonstrated experience in creating and implementing UI development

· 2+ years of professional experience in Native React

· Highly proficient in rendering components with Native APIs

· Hands-On experience in JavaScript, modern JavaScript, HTML, Materialized CSS, Bootstrap, React.js

· Highly proficient in one or more libraries I.e Redux, Redux with hooks, Redux with Thunk, React Router, for state managing and routing in addition to React.

· Proficient in using Git as a control system

· Good understanding of MVC frameworks

· Should have knowledge of Architectural design pattern

· Understanding and grasp of Agile development and Scrum practices

· Flexibility and deadline-driven

· Professional written and interpersonal skills

· Ability to prioritize and manage multiple milestones and projects efficiently

· Advanced problem-solving skills and the ability to optimize code for the best possible outcome

http://www.banyandata.com" target="_blank">www.banyandata.com