11+ Rational Tools Jobs in Kolkata | Rational Tools Job openings in Kolkata

We are looking for a Frontend/Platform Operator to ensure the smooth day-to-day operations of our E-lock GPS web-based platform. This role involves monitoring the platform’s performance, resolving minor frontend issues, and reporting bugs to the development team.

Key Responsibilities:

• Monitor the frontend of the web platform for glitches, bugs, or user-reported issues.
• Perform minor frontend updates (HTML/CSS) as needed.
• Collaborate with the IT Administrator and report major issues to the developers.
• Provide user support for platform-related queries (internal team or customers).
• Document platform performance and generate basic usage reports.

Skills Required:

• Basic knowledge of HTML, CSS, and JavaScript.
• Familiarity with frontend frameworks like React.js or basic debugging tools (preferred).
• Understanding of how frontend and backend APIs work together.
• Strong communication skills for reporting issues and collaborating with other teams.

Education and Experience:

• Bachelor’s degree in IT, Computer Science, or related field (preferred).
• 1-2 years of experience in web operations, frontend development, or technical support.

NOTE: We’re inviting applications for a 6-month internship in Frontend/Platform Operator at Mondiale Technologies, a company at the forefront of smart logistics and IoT-based tracking solutions

Eligibility: Final-year students or fresh graduates in BCA / B.Sc. IT / B.Tech / MCA / Diploma in Computer Science or related fields

Internship Highlights:

• Hands-on experience managing and operating our real-time asset tracking web platform
• Support platform users by monitoring dashboards, raising tickets, and resolving basic interface issues
• Coordinate with tech and support teams for data validations and updates
• Exposure to frontend tools, UI testing, and client-side reporting
• Learn to work in a live SaaS environment used by logistics and fleet management teams

Stipend: YES

✅ Pre-placement offer for high-performing candidates

Candidates who successfully complete the internship and demonstrate strong performance will be offered a regular full-time role within the company.

Job Description:

We are looking for a React JS or React Native Developer to join our team.

In this role, you will be entrusted with developing JavaScript applications using React.js or React Native.

Apply now for the role of a React.js or React Native Developer at Codebuddy, which is opening doors for skilled, energetic developers looking for MERN Stack Developer Jobs.

If you can help us design and create multiple layers of applications while working cross-functionally across different infrastructures. You would fit perfectly if you love problem-solving, design, and creating quality offerings.

Responsibilities:

• Developing existing programs by analyzing user requirements and identifying areas for modification by R&D followed by coding.
• Develop UI in HTML, CSS, and JS and integration with the backend using REST API.
• Translate storyboards and various use cases to create high-performing apps.
• Write, execute, and maintain clean, reusable, and scalable code.
• Integrate our various data storage solutions.
• Ensure responsiveness and boost the performance of our apps.
• Find and address the various bottlenecks and bug-fixes.
• Work on JavaScript/Typescript using React Native/React, Redux & Node.js.
• Help in code automatization.

What You Need To Apply(Technical Competency):

• Good knowledge of JavaScript, React, API.
• Knowledge of JavaScript Stack / Framework.
• Knowledge of Object-Oriented Programming
• Ability to document their code.
• Understanding accessibility and security compliance.
• Good knowledge of GIT
• Ability to multitask and work in a fast-paced environment.
• Self-motivated with the ability to work independently or jointly in a self-directed way.
• Demonstrated successful development of web or mobile-based applications
• Proven analytical and problem-solving capabilities
• Keen attention to detail
• Strong work ethic and desire to build industry-leading products
• Proactive instead of reactive
• Looking for ways to improve self and projects.

Interpersonal skills:

• Must be comfortable working in a team and independently when required.
• Must be disciplined, proactive and self-motivated.
• Needs to have problem-solving and analytical skills.

If you have it all in you, we are happy to have you with us!

Key Responsibilities:

• Development of a Single Page Application (SPA) and it's components in Typescript: deployed and optimized for progressive mobile and browsers using Angular 2 and Ionic 2 frameworks.
• Creating custom, general use modules and smart components which extend the elements and modules of core Angular framework.
• Creating self-contained, reusable, and testable modules and components in Typescript and using responsive HTML and CSS.
• Architecting and automating the build process for production, using task runners or scripts.
• Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed

Skills and Qualifications:

• Should have experience with CSS 3, SCSS, Java script and HTML5.
• Full-time knowledge of Angular practices and commonly used modules based on extensive work experience. Or 2 Year or more experience with other industry-leading frameworks like React.
• Minimum 1-year experience in working and extending one of the CSS or UI frameworks like Ng-lightening, Angular-material

About the Company

Job Description

Experience : 2-3Years

Requirement

• 2 years of experience in frontend development primarily using React .JS
• Knowledge and experience in JavaScript and ReactJS ,HTML,CSS3
• Thorough understanding of NodeJs & React.js(SSR) and its core principles
• Familiarity with RESTful APIs
• Familiarity with modern front-end build pipelines and tools
• Good experience and thorough understanding of React.js and its core principles
• Good experience in UI design and development
• Knowledge of functional and object-oriented programming
• Ability to write well-documented, clean Javascript code
• Ability to understand business requirements and translate them into technical requirement

Regards 
Team Merito

What you need to have:

Responsibilities:

• Working with the product team and designers to collaboratively build the products that pushes Rely to reach our next stage of growth.
• Tackle the challenges that occur from having your code running on different merchant websites.
• Ensure the technical feasibility of UI/UX designs.
• Optimise applications for maximum speed and scalability.
• Collaborate with other team members and stakeholders.
• Move fast.

Requirements:

• 3+ years of hands-on product experience in professional software development with front end web development and experience in building user interfaces
• At least one year experience with Angular.
• Experience writing good JavaScript code from scratch.
• Familiarity with web development cycles (e. g. package management, module bundling, unit, and integration testing, browser capabilities, etc. ).
• An eye for detail and empathy for the customer.
• Experience building for mobile platforms.
• Ability to write clean, semantic HTML and CSS, agonising along the way for pixel perfection.

• Experience working at a fast-growth startup.
• Experience upgrading angular.