Maddisoft has the following immediate opportunity, let us know if you or someone you know would be interested in the below position. If interested, kindly send us a copy of your latest resume along with LinkedIn profile, please feel free to connect with us for further discussion.

Job title: Senior ReactJS Frontend-Fullstack Developer

Location: Bangalore, India (Onsite)

Key Expectations:

We are looking for a highly skilled Senior React Frontend Developer with strong expertise in React.js, TypeScript, component-driven development, advanced state management, responsive UI engineering, and backend integration. This role involves building scalable, maintainable, high-performance, and real-time user interfaces for complex applications, including data-intensive workflows, visualization-oriented modules, and backend-connected frontend systems. The ideal candidate should be comfortable working across modern React architecture, reusable UI platforms, real-time communication layers, and close collaboration with UI/UX and backend teams.

Key Responsibilities

- Design, develop, and maintain scalable web applications using React.
- Integrate frontend applications with backend APIs and microservices.
- Collaborate with architects, backend developers, UX designers, and business stakeholders.
- Perform code reviews, troubleshooting, and performance optimization.
- Ensure secure, high-quality, and scalable application delivery.
- Work on the frontend architecture as a React.js expert and contribute to the development of the software presentation layer using React.js and TypeScript.
- Design, develop, and maintain modern React.js applications using Hooks, Functional Components, composition patterns, memoization, and reusable custom hooks.
- Build reusable, modular,



and scalable UI component libraries aligned with a shared design system and maintainable frontend architecture.
- Develop and maintain responsive and interactive frontend applications for complex workflows and real-time user experiences.
- Design and maintain WebSocket-based interfaces and integrate frontend applications with backend systems using REST APIs, Streaming APIs, HTTPS, gRPC, and related communication layers.
- Implement advanced state management using Redux, Redux Toolkit, Context API, or similar patterns.
- Implement application routing and structured navigation using React Router and route-based design approaches.
- Convert Figma designs or equivalent design artifacts into pixel-perfect, responsive UI implementations.
- Build frontend modules that support real-time dashboards, waveform views, readouts, imaging-focused interfaces, and data-intensive workflows.
- Collaborate closely with UI/UX designers, frontend teams, and backend/microservices teams to deliver high-quality integrated solutions.
- Optimize frontend rendering, backend communication, and UI performance for scalability, responsiveness, and maintainability.
- Document interface design, API contracts, message formats, and integration patterns.
- Maintain engineering quality through testing, code reviews, debugging, profiling, and frontend best practices.

Mandatory Skills & Qualifications





- Bachelors or Masters degree in Computer Science Engineering or a related field.
- Minimum of 5+ years of hands-on frontend development experience with a strong focus on React.js.
- 7+ years of overall experience in software development.
- Solid proficiency in React.js, JavaScript (ES6+), TypeScript, HTML5, CSS3
- Experience with Redux, React Hooks, Context API, Database and Responsive UI Development
- Hands-on experience with REST APIs, GraphQL, Microservices, and API Integration
- Knowledge of API Security and Performance Optimization
- Experience with Git, Azure DevOps/GitHub, CI/CD Pipelines
- Experience with Unit and Integration Testing
- Understanding of Agile/Scrum methodologies

Good to Have / Preferred Qualifications

- Experience with .NET/.NET Core backend development and supporting end-to-end full-stack solutions
- Familiarity with Azure/AWS Cloud Platforms
- Experience building real-time dashboards, industrial UIs, or visualization-heavy applications.
- Experience with waveform, readout, imaging, or graphical rendering interfaces.
- Exposure to design token systems, theming, and UI kit integration.
- Familiarity with RTK Query, GraphQL abstractions, or structured API abstraction layers.
- Experience with error boundaries, offline handling, reconnection logic, and connection state management.
- Understanding of accessibility, semantic HTML, and enterprise-grade frontend quality practices.
- Experience in engineering software, industrial software, scientific visualization, healthcare software, or simulation-oriented platforms.
- Knowledge of Three.js or @react-three/fiber for advanced visualization use cases.
- Familiarity with Vitest, jsdom, or similar frontend testing setups.

📌 Senior ReactJS Frontend-Fullstack Developer (Bengaluru)
🏢 Maddisoft Solutions
📍 Bengaluru