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

Role and Responsibilities 

We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.  

• • Developing new user-facing features using React.js 
• • Building reusable components and front-end libraries for future use 
• • Translating designs and wireframes into high quality code 

• • Optimizing components for maximum performance across a vast array of web-capable devices and browsers. 
• • 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). 
• • Experience in Bootstrap framework.  

• • Familiarity with newer specifications of ECMAScript 
• • 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 NPM, YARN etc. 

• • Ability to understand business requirements and translate them into technical requirements 
• • A knack for benchmarking and optimization 
• • Familiarity with code versioning tools Azure Devops. 
• • Experience in IDE such as VS code \ VS. 

• Experience – 10 - 14 years 

• Qualification – Any graduate  

Job Summary:

We are looking for a passionate Frontend Engineer with 2 to 4 years of experience to build high-quality, scalable, and user-friendly web applications. You will work closely with cross-functional teams to bring ideas to life using modern JavaScript frameworks, maintaining best-in-class UI standards, performance, and code quality.

Website: https://www.thealteroffice.com/about

Key Responsibilities:

• Develop and maintain modern, high-performance, and responsive web applications using JavaScript frameworks such as React, Vue, or Next.js.
• Translate product designs from tools like Figma into pixel-perfect, accessible, and consistent UI components.
• Build reusable components and contribute to shared design systems or UI libraries.
• Manage state effectively using tools like Redux, Zustand, or Context API.
• Ensure applications are responsive, cross-browser compatible, and adhere to accessibility standards (WCAG).
• Optimize frontend performance using tools like Lighthouse, Web Vitals, and browser profiling.
• Use TypeScript to write type-safe and scalable code.
• Write unit, integration, and E2E tests using frameworks like Jest, Testing Library, Cypress, or Playwright.
• Work with backend teams to design APIs and ensure efficient, secure frontend-backend integration.
• Implement frontend security best practices, such as XSS protection and CSP.
• Use tools like Tailwind CSS, Framer Motion, and Styled Components for rapid, modern UI development.
• Contribute to CI/CD workflows, version control using Git, and deploy applications using platforms like Vercel, Netlify, or Firebase.
• Participate in code reviews, share knowledge, and help drive technical excellence across the team.

Requirements:

• 2 to 4 years of experience building and shipping frontend applications in a professional setting.
• Proficiency in JavaScript (ES6+), HTML5, and CSS3, with a strong understanding of modern frontend architecture.
• Hands-on experience with at least one JavaScript framework/library (React preferred).
• Strong knowledge of TypeScript and state management tools.
• Solid understanding of UI/UX best practices, including responsive design, performance, and accessibility.
• Experience with testing methodologies and automation tools.
• Familiarity with design systems, component libraries, and modern build/deployment tools (Webpack, Vite, Vercel, etc.).
• Comfortable working in agile teams, collaborating with designers, product managers, and backend engineers.

Meet with stakeholders, customers, and project teams to collect requirements, scope projects, and contribute to creative 

and technical concepts 

∙Implement modifications to existing campaigns to accommodate changes in user requirements 

∙Employ best practices in developing, conducting, and interpreting A/B tests and personalization campaigns focused on user 

experience and effectiveness against project goals 

∙Identify areas for improvements and assist in managing projects to implement enhancements to completion  

∙Maintain campaign code in GitHub following established organization standards and development guidelines 

∙Ensure team process to enter and track implementation information including work items, tasks and issue management 

using JIRA 

Tools: 

∙Must have 5+ years minimum experience in building and maintaining web applications. 

∙Must have experience in web technologies HTML5, CSS3, JSON, JavaScript, Web services (SOAP/REST). 

∙Must have Experience in CSS and JavaScript frameworks like Bootstrap, jQuery etc. 

∙Experience with SASS/LESS frameworks. 

∙Experience with source control systems like TFS, GIT etc. 

∙Experience with JavaScript application frameworks such as Angular, React or Vue.js is a plus. 

∙Knowledge of scripting languages and object-oriented concepts. 

∙Experience with Agile / Scrum software development practices. 

∙Excellent troubleshooting and communication skills. 

∙Experience in any content management systems (CMS) preferred but not required. 

∙Ability to work independently and as part of a team. 

∙A/B Testing or Personalization experience is preferred but not required. 

∙Bachelor's degree in computer science, engineering or a related discipline with an information technology focus or 

equivalent experience

Responsibilities:

• Collaborate with cross-functional teams to define, design, and ship new features.
• Develop and maintain web applications using Angular
• Design, build, and maintain efficient, reusable, and reliable code.
• Ensure the best possible performance, quality, and responsiveness of the application.
• Identify and correct bottlenecks and fix bugs.
• Work with external data sources and APIs.
• Unit-test code for robustness, including edge cases, usability, and general reliability.
• Collaborate with other developers and stakeholders to ensure successful project completion.

Requirements:

• Bachelor's degree in Computer Science, Software Engineering, or related field.
• 2+ years of experience in web application development using Angular.
• Strong knowledge of Angular 2+ and TypeScript.
• Experience with Angular Material and Bootstrap.
• Knowledge of relational database design and development using SQL Server.
• Familiarity with agile development methodologies.
• Strong analytical and problem-solving skills.
• Excellent written and verbal communication skills.
• Ability to work independently and as part of a team.

Preferred Qualifications:

• Experience with Entity Framework Core.
• Experience with Azure Cloud Services.
• Familiarity with unit testing frameworks such as NUnit and xUnit.
• Experience with source control management tools such as Git.
• Knowledge of CI/CD pipelines using Azure DevOps or similar tools.

Responsibilities

· Developing user-facing applications using Vue.js

· Building modular and reusable components and libraries

· Optimizing your application for performance

· Implementing automated testing integrated into development and maintenance workflows

· Staying up to date with all recent developments in the JavaScript and Vue.js space

· Keeping an eye on security updates and issues found with Vue.js and all project dependencies

· Proposing any upgrades and updates necessary for keeping up with modern security and development best practices

What we need in you?

· Highly proficient with the JavaScript language and its modern ES6+ syntax and features

· Highly proficient with Vue.js framework and its core principles such as components, reactivity, and the virtual DOM

· Familiarity with the Vue.js ecosystem, including Vue CLI, Vuex, Vue Router, and Nuxt.js

· Good understanding of HTML5 and CSS3, including

· Understanding of server-side rendering and its benefits and use cases

· Knowledge of functional programming and object-oriented programming paradigms

· Ability to write efficient, secure, well-documented, and clean JavaScript code

· Familiarity with automated JavaScript testing, specifically testing frameworks such as Jest or Mocha

· Proficiency with modern development tools, like Babel, Webpack, and Git

· Experience with both consuming and designing RESTful APIs

Must Have: 

• Must have Javascript and React.js 

Responsibilities: 

• Use markup languages like HTML to create user-friendly web pages 

• Maintain and improve website 
• Optimize applications for maximum speed 
• Design mobile-based features 
• Collaborate with back-end developers and web designers to improve the usability 
• Get feedback from, and build solutions for, users and customers   

• Write functional requirement documents and guides 
• Create quality mockups and prototypes 
• Help back-end developers with coding and troubleshooting. 
• Ensure high-quality graphic standards and brand consistency 

Skills looking for: 

• Understanding of key design principles. 
• Proficiency in HTML, CSS, JavaScript, and React.js. 
• Should be good at CSS and sound knowledge about Tailwind and Material UI. 

• Understanding of server-side CSS. 
• Understanding of SEO principles. 
• Good problem-solving skills. 
• Excellent verbal communication skills. 
• Good interpersonal skills. 

Good to Have: 

• Experience in Next.js and AngularJS is highly preferred 

Opportunity in the Role: 

• Experienced founding team. 

• Right to win - The founding team knows the business & its secrets inside out. We are starting with a significant head start and a precise plan of action. 
• Barriers to entry - This is a specialized play with natural barriers to entry, allowing for significant value creation for all equity holders. 
• Backed by marquee global investors. 
• Exposure to all aspects of company building - exposure to investors, fund-raising, decision making, building the team & culture. 
• All of the above perks of joining a high potential company very early, along with a competitive market salary. 

Responsibilities

• Work on a full product development lifecycle from requirement gathering, product design, development, to roll out and maintenance
• Effectively collaborate with multiple teams and stakeholders including product and design
• Own the delivery of multiple features of the product end to end 
• Advocate best development practices such as continuous integration/continuous delivery, automation (testing and infrastructure) and code modularity, extensibility, quality
• Experience in building Websites from Scratch is a big plus

Primary Skills:

• Min 6+ Years in Web Application Development
• Write clean, solid and testable code while keeping the user experience fast and reliable
• Strong understanding of HTML, CSS, JS, JQuery, React, Redux 
• Proficient in Web Interface designing
• Experience in developing reusable UI components
• Deep functional knowledge or hands on design experience with Web Services 

Strong grasp of security principles and how they apply to E-Commerce websites

LOOKING FOR IMMEDIATE JOINERS OR 30DAYS FROM PRODUCT/ECOMM COMPANIES