11+ Rational Tools Jobs in Bangalore (Bengaluru) | Rational Tools Job openings in Bangalore (Bengaluru)

What You’ll Do:

• Build and ship responsive, high-performance web applications using React.
• Translate UI/UX designs into clean, maintainable code.
• Integrate frontend with backend services via REST/GraphQL APIs.
• Optimize applications for speed, scalability, and cross-browser compatibility.
• Write reusable, modular components and maintain design consistency.
• Collaborate with product managers, designers, and engineers to deliver features end-to-end.
• Identify performance bottlenecks and improve frontend architecture.
• Participate in code reviews and contribute to best practices.

What We’re Looking For:

• 4–6 years of experience in frontend development.
• Strong hands-on experience with React.js.
• Solid understanding of JavaScript (ES6+), HTML5, and CSS3.
• Familiarity with state management (Redux / Zustand / Context API).
• Experience working with REST APIs and asynchronous programming.
• Understanding of responsive design and cross-browser compatibility.
• Experience with build tools (Webpack, Vite, etc.).
• Familiarity with Git-based workflows.
• Good problem-solving and communication skills.

Good to Have:

• Experience with testing frameworks (Jest, React Testing Library).
• Exposure to performance optimization techniques.
• Basic understanding of backend technologies (Node.js / Python).

What You’ll Work On:

• Building intuitive and scalable user interfaces for our core product.
• Improving performance and user experience across the platform.
• Contributing to frontend architecture and design systems.
• Solving real-world problems at scale.

Why Join Us

• Work on impactful products used by real customers.
• Opportunity to own features end-to-end.
• Collaborative and fast-paced environment.

Software Development Engineer – React

Location: Bangalore

Experience: 5–7 Years

About the Role

Mygate is looking for a highly skilled Software Development Engineer – React to build and scale high-performance web applications used by millions of users. We are seeking a strong frontend engineer with deep expertise in React and modern JavaScript frameworks who can contribute to the development of intuitive, scalable, and user-centric products.

This role requires a hands-on engineer with excellent problem-solving abilities, strong frontend architecture knowledge, and a passion for delivering exceptional user experiences.

Key Responsibilities

• Design, develop, and maintain scalable frontend applications using React.js.
• Build responsive, performant, and reusable UI components.
• Collaborate closely with Product Managers, Designers, and Backend Engineers to deliver high-quality features.
• Translate business requirements into clean, efficient, and maintainable code.
• Optimize applications for speed, scalability, and user experience.
• Participate in architecture discussions and contribute to frontend best practices.
• Conduct code reviews and ensure high standards of code quality.
• Troubleshoot and resolve production issues while ensuring application reliability.
• Drive continuous improvements in frontend performance, development processes, and engineering practices.

Requirements

• 5–7 years of experience in frontend software development.
• Strong hands-on experience in React.js is mandatory and non-negotiable.
• Expert-level proficiency in JavaScript (ES6+), TypeScript, HTML5, and CSS3.
• Strong understanding of React architecture, component lifecycle, hooks, state management, and performance optimization.
• Experience with Redux, Context API, or other state management solutions.
• Hands-on experience integrating frontend applications with REST APIs.
• Strong understanding of frontend design patterns and component-based architecture.
• Experience with debugging, browser developer tools, and performance tuning.
• Proficiency with Git and modern development workflows.
• Strong problem-solving skills and ability to work independently.

Preferred Qualifications

• Experience building large-scale consumer-facing products.
• Exposure to Next.js and modern frontend tooling.
• Experience with frontend testing frameworks such as Jest, React Testing Library, or Cypress.
• Familiarity with CI/CD pipelines and Agile development practices.
• Prior experience in product-based or high-growth technology companies.

What We're Looking For

• Deep expertise in React development and frontend engineering.
• Strong ownership and accountability.
• Ability to thrive in a fast-paced product environment.
• Passion for creating exceptional user experiences.
• Excellent communication and collaboration skills.
• A product mindset with a focus on delivering business impact through technology.

Additional Criteria

• Candidates must demonstrate significant hands-on React development experience.
• Profiles with limited or secondary exposure to React will not be considered.
• Immediate joiners or candidates serving a notice period of up to 30 days are preferred.

Job Role: Angular Developer

Location: Bangalore/ Noida

Job description:- 

• Strong experience of Angular 2+ and above along with other technologies like HTML5, CSS, jQuery, AJAX with good knowledge of ECMA Scripts.
• Strong knowledge of JS Fundamentals.
• Design & development of Angular applications as per desired specifications, along with experience in frameworks/libraries like jQuery, Bootstrap, Typescript etc.
• Architecture design, development, testing and maintenance of Web Apps, Implementation based on Angular Application MVC Patterns.
• Own end to end product modules/features (from the requirement to going live)- Design & code review, troubleshoot & help team members on issues.
• Gather requirements by interacting directly with the end-users.
• Research on open source framework/technology required for developing the feature/application.

• Deep understanding of JS basics and advanced features (ES6) (5+ years)
• Deep understanding of basic and advanced HTML5 / CSS3 features (5+ years)
• Hands on experience developing scalable applications using React JS (preferably using functional components) (2+ years)
• Proficiency in using hooks based approach in react development
• Hands on experience developing UI components using Material UI for React JS (2+ years)
• Experience with any of the state management libraries for React JS – Redux, Context API, Mobx etc
• Experience with unit testing using Jest, Enzyme, React Testing Library etc
• Experience with responsive design, progressive web apps and accessibility.
• Knowledge about platform tools such as NPM, Git command line tool and AWS.

• 8+ years of experience with one of the top frontend frameworks - React (preferred) and with App development (recommended)
• Demonstrated experience in managing  successful engineering teams across both web and app development
• Solid understanding of modern CSS methodologies like SCSS, SASS
• Exposure to latest developments in UI development like PWA, Single Page Apps, Hybrid Apps, Responsive web design etc
• Deep understanding of Javascript topics including the V8 Engine, Async, Memory
• Management, Duplex Communication.
• Understanding of app development practices
• Prior startup experience is a plus

Role : UI Developer

Location: Bangalore, Karnataka, India

Experience:4+ years

Mandatory Skills: EXT JS, JavaScript, HTML5, CSS

Education and Skillset

ï‚· Engineering Graduate

ï‚· Strong hand-on knowledge on

ï‚· Web and mobile technologies: - EXT JS, JavaScript, HTML5, CSS

ï‚· REST APIs, JSON, JQuery

ï‚· Cross browser compatibility in UI development

ï‚· Exposure to open source UI component libraries

ï‚· Good experience on Angular is a big plus

Experience

ï‚· 5 + years of UI Development Experience

ï‚· Has implemented coding patterns and built UI framework

ï‚· Cross browsers support/experience and knowledge of DOM manipulation on different

browsers

ï‚· Performance enhancements on web page load and execution

ï‚· Experience with tools like Firebug.

ï‚· Good knowledge on Ajax, jsp etc.

ï‚· Good experience and knowledge of open source software and frameworks

ï‚· Good communication skills and ability to work under pressure

ï‚· Ability to work without close supervision

ï‚· Use responsive web design to create applications that automatically conform to multiple

screen sizes/devices.

ï‚· Excellent written and spoken English to be able to clearly communicate with various

stakeholders

ï‚· Experience in a software product-based organization is preferable

ï‚· Conduct usability testing to identify and fix UI issues

ï‚· Collaborate with business analyst to discuss user interface requirements and brainstorm

UI ideas.

Responsibility

ï‚· UI Developer- will be part of technical team for product development and customization

ï‚· Follow change management and change control processes

ï‚· Take ownership, research, follow up and resolve complex challenges faced by the team

across all phases of the development lifecycle

ï‚· Good, clean, maintainable coding practices

About the company:

It is a leading US-Based product development company established in 2004.

A global leader in providing digital solutions for trading and risk, supply chain management and financial services driven by cloud, blockchain, machine learning and analytics. The company has its best-of-breed solutions serve the entire trading value chain across agriculture, energy, metals and mining, and manufacturing markets. The cloud platform provides advanced analytics, one source of data and an automation engine, providing maximum flexibility and investment protection as business needs and market requirements change.

Why should you apply?

• Work in a fast-paced product-based organization.
• Get an opportunity to work with the core development team and enhance your technical skills.
• Scope to understand and work with the product team in depth.
• Opportunity to work in ETRM/CTRM domain- ahead of the innovation.
• They built a culture of inclusion and diversity from the 16 plus languages they speak to the 40% strong women workforce.
• They are always looking for their next set of passionate and innovative minds, who are unafraid to challenge the status quo.