11+ Rational Tools Jobs in Kolkata | Rational Tools Job openings in Kolkata
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Job Description -
Profile: .Net Full Stack Lead
Experience Required: 7–12 Years
Location: Pune, Bangalore, Chennai, Coimbatore, Delhi, Hosur, Hyderabad, Kochi, Kolkata, Trivandrum
Work Mode: Hybrid
Shift: Normal Shift
Key Responsibilities:
- Design, develop, and deploy scalable microservices using .NET Core and C#
- Build and maintain serverless applications using AWS services (Lambda, SQS, SNS)
- Develop RESTful APIs and integrate them with front-end applications
- Work with both SQL and NoSQL databases to optimize data storage and retrieval
- Implement Entity Framework for efficient database operations and ORM
- Lead technical discussions and provide architectural guidance to the team
- Write clean, maintainable, and testable code following best practices
- Collaborate with cross-functional teams to deliver high-quality solutions
- Participate in code reviews and mentor junior developers
- Troubleshoot and resolve production issues in a timely manner
Required Skills & Qualifications:
- 7–12 years of hands-on experience in .NET development
- Strong proficiency in .NET Framework, .NET Core, and C#
- Proven expertise with AWS services (Lambda, SQS, SNS)
- Solid understanding of SQL and NoSQL databases (SQL Server, MongoDB, DynamoDB, etc.)
- Experience building and deploying Microservices architecture
- Proficiency in Entity Framework or EF Core
- Strong knowledge of RESTful API design and development
- Experience with React or Angular is a good to have
- Understanding of CI/CD pipelines and DevOps practices
- Strong debugging, performance optimization, and problem-solving skills
- Experience with design patterns, SOLID principles, and best coding practices
- Excellent communication and team leadership skills
Exciting Opportunity for React JS Developers!
🚀 Are you a passionate problem-solver who loves creating top-notch applications? Look no further! At Codebuddy, we're opening doors for talented React Native Developers like you!
What We Offer:
🌟 Challenging projects that push your skills to the limit!
🚀 Collaborative environment where innovation thrives!
💼 Competitive pay reflecting your hard work and dedication!
📚 Opportunities for continuous learning and career growth!
👥 A team that values your creativity and expertise!
What You'll Do:
🛠 Develop JavaScript applications using React.js or React Native.
🤝 Collaborate cross-functionally, working on diverse infrastructures.
🎨 Create seamless UI/UX with HTML, CSS, and JS, integrating the backend through REST API.
🖋 Write, execute, and maintain clean, reusable, scalable code.
🔧 Tackle bottlenecks, bugs, and ensure app responsiveness and performance.
💻 Work with React, Redux, Node.js, and contribute to code automation.
What We Look For:
💡 Strong JavaScript, React, and API knowledge.
🏗 Familiarity with Object-Oriented Programming.
📝 GIT proficiency and ability to document code.
🔒 Attention to detail, analytical mindset, and proactive approach.
🚀 Passion for building industry-leading applications.
Join Us and Enjoy:
💰 Fair compensation for your exceptional efforts!
🤝 A supportive team environment where your ideas matter!
📈 Ongoing opportunities for professional development!
🌐 A chance to shape the future of innovative applications!
🏆 Recognition for your achievements and dedication!
If you're ready to take your skills to new heights and be part of a dynamic team, we want you! Apply now at Codebuddy and embark on an exciting journey of creativity and growth. Don't miss out on this incredible opportunity! 🚀
Industry
- Information Technology & Services
Employment Type
Full-time
Edit job description
Exciting Opportunity for React Native Developers!
🚀 Are you a passionate problem-solver who loves creating top-notch applications? Look no further! At Codebuddy, we're opening doors for talented React Native Developers like you!
What We Offer:
🌟 Challenging projects that push your skills to the limit!
🚀 Collaborative environment where innovation thrives!
💼 Competitive pay reflecting your hard work and dedication!
📚 Opportunities for continuous learning and career growth!
👥 A team that values your creativity and expertise!
What You'll Do:
🛠 Develop JavaScript applications using React.js or React Native.
🤝 Collaborate cross-functionally, working on diverse infrastructures.
🎨 Create seamless UI/UX with HTML, CSS, and JS, integrating the backend through REST API.
🖋 Write, execute, and maintain clean, reusable, scalable code.
🔧 Tackle bottlenecks, bugs, and ensure app responsiveness and performance.
💻 Work with React, Redux, Node.js, and contribute to code automation.
What We Look For:
💡 Strong JavaScript, React, API knowledge.
🏗 Familiarity with Object-Oriented Programming.
📝 GIT proficiency and ability to document code.
🔒 Attention to detail, analytical mindset, and proactive approach.
🚀 Passion for building industry-leading applications.
Join Us and Enjoy:
💰 Fair compensation for your exceptional efforts!
🤝 A supportive team environment where your ideas matter!
📈 Ongoing opportunities for professional development!
🌐 A chance to shape the future of innovative applications!
🏆 Recognition for your achievements and dedication!
If you're ready to take your skills to new heights and be part of a dynamic team, we want you! Apply now at Codebuddy and embark on an exciting journey of creativity and growth. Don't miss out on this incredible opportunity! 🚀

Global Digital Infrastructure Client
Designation: Senior Software Engineer
Years of experience: Minimum 5 years of relevant experience
Skills: 5+ years of hands on experience in Angular 6/7/8/9 (mandatory). Experience also in Angularjs is preferred but not mandatory.
Requirements:
- Bachelor’s degree in computer science, computer engineering or similar.
- Previous work experience as an AngularJS developer.
- Proficient in CSS, HTML, and writing cross-browser compatible code.
- Experience using JavaScript building tools like Gulp or Grunt.
- Knowledge of JavaScript MV-VM/MVC frameworks including AngluarJS.
- Technical lead skills. Can handle a team or independent technical delivery
- Proven experience implementing front-end and back-end JavaScript applications.
- Excellent communication skills.
- Critical thinker and good problem-solver.
Experience: 2-8 years
Skills:
* Hands-on experience in designing UI frameworks for large scale projects using ReactJS
* experience in UI development using ReactJS Redux, HTML5, JS, CSS
* Experience in UI/UX work flows.
* Experience in Rest APIs integration.
* Experience in responsive and adaptive web designs using media queries, bootstrap and other frameworks & grid systems.
* Experience in Git, Dockers
* Experience in SSO implementation using OAuth2 & JWT tokens
NowPurchase is transforming the 140B$ Metal Manufacturing industry. The metal industry forms the backbone of the economy and the fundamental block of the physical world - be it transportation, construction and every machinery. NowPurchase is building a rich, digital marketplace where Metal Manufacturers can procure high quality raw materials in a trusted manner. At the same time we are building the OS (Operating System) that will supercharge their productivity and processes to ultimately make procurement autonomous. Now Purchase raises
USD 2.4 million in Nov 2021, led by Orios Venture Partners, InfoEdge Ventures.
The B2B manufacturing industry has a lack of digitisation globally. NowPurchase envisions being the operating system for metal manufacturers, starting off with foundries. The end goal is to be able to automate procurement by creating & connecting the different systems both on the software and hardware end (ex: furnaces, spectrometers).
Website: https://nowpurchase.com/" target="_blank">https://nowpurchase.
LinkedIn: https://www.linkedin.com/company/nowpurchase/" target="_blank">https://www.
About the role:
We are looking to add an immensely talented Lead Front End Engineer that will help us invent, design, refine and deliver products that will meet our vision. Expect to build a lot of web interfaces and dashboards both for the browser as well as native IoT-enabled terminals that will be placed at the manufacturers' premises. You need to lead the front end team to make sure they are delivering high quality code and are constantly inspired to experiment with tools to push
out MVPs.
Job Role:
● You’ll be working directly with the lead and the product team to make decisions about your code and future of the product.
● Working on modular code installing over web, mobile and native IoT enabled terminals that leverage REST-based services and real time sockets.. This would include visual dashboards and minimising the time that are critical for the manufacturing process.
● Have a strong emphasis on shipping features quickly without sacrificing code quality. Be ready to build a lot of MVPs that will go through iteration or be completely scrapped depending on the outcome at the customer end.
● Lead your own Agile projects and lead the team from software design to implementation and deployment. Maintain sprints, delivery timelines and contribute to better managing the engineering team.
● Transform UI designs and mockups into pages and flows using CSS3 and JavaScript frameworks. Be ready to do the mockups yourself sometimes.
● Build a culture of simplicity and pragmatism, which is reflected in your elegant code that other developers emulate and you ensure through thorough code reviews and processes.
● Have an exceptional understanding of asynchronous request handling, partial page updates, and service workers and command over the internals of JavaScript, React and Redux.
● Continuously evaluate existing engineering processes and recommend improvements.
Required Skills and qualification:
● 4+ years’ experience developing rich UI/Front-end for user-facing web applications.
● Strong experience with React or similar frameworks, TypeScript, SSR (Server Side Rendering), SPA (Single Page Application), PWA (Progressive Web application), OOP (Object Oriented Programming), Reactive programming, and Unit tests.
● Demonstrated ability to function as a project leader as well as an individual contributor.
● Excellent communication and facilitation skills.
Location: WFO in Kolkata, West Bengal (Hybrid)
Benefits:
● ESOPs: 10% of NowPurchase is dedicated to current & future team members. Your package would entail some ESOPs so that you own a part of the company and grow along with it.
● Medical Insurance: Benefits of group insurance of 3 lakhs for family including parents, spouse, children
● Complete Relocation Expenses: We are building a unicorn out of the city of Joy (Kolkata). We will pay for everything you spend to relocate here.
About the Company
Established in the year 1953, Our Client is one of the leading TMT bar manufacturer and exporter in India. It is a well known group that achieves a turn over of 3000 Cr per annum. The group is setting a construction & architecture oriented omni channel B2B & B2C platform
Job Description
Experience : 5-7Years
Requirement
- 5-7years of experience in frontend development primarily using React .JS
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Good foundation in design and a knack for designing interactions and elegant interfaces)
- Thorough understanding of NodeJs & React.js(SSR) and its core principles
- Familiarity with RESTful APIs
- Familiarity with modern front-end build pipelines and tools
- Familiarity with code versioning (version control) tools, such as Git, SVN, and Mercurial
- Thorough understanding of React.js and its core principles
- Good to have experience with popular React.js workflows
- Ability to understand business requirements and translate them into technical requirement
- Preference will be given to those who have worked on libraries such as Bootstrap, Material js.
- Knowledge ofGraphQL and CSS preprocessor like SASS
- Proficient in industry standard best practices such as Design Patterns, Coding Standards,
Coding modularity, Prototypes etc.
Regards
Team Merito
Responsibilities:
- Creating the website architecture.
- Designing and building the website front-end.
- Managing website back-end including database and server integration.
- Managing WordPress themes and plugins.
- Conducting website performance tests.
- Troubleshooting content issues.
- Monitoring the performance of the live website.
Skill Requirements:
- Proven work experience as a WordPress developer.
- Knowledge of front-end technologies including CSS3, JavaScript, HTML5, and jQuery.
- Knowledge of code version tools including Git, Mercurial, and SVN.
- Experience working with debugging tools such as Chrome Inspector and Firebug.
- Good understanding of website architecture and aesthetics.
- Ability to manage projects.
- Good communication skills.
- Bachelor’s degree in computer science or a similar field.


