- We are looking for candidates who have good programming skills. Strong on data structures, algorithms, understand time space complexity, able to come up with multiple solutions and then arrive at most optimized one keeping in mind customer requirements. Should also be well aware of OO concepts. If he / she has a strong background on these areas ( in any programming language),
- Next the candidate should have worked on JS with good hands on experience in a few projects mainly in backend development like making api calls, handling exception, models, data transformations, controllers etc.
- The last would be having some experience in any one of react.js/ node.js or even angular.js since some of these are being used in the current project.
- Prefer candidates with Angular (ver 8+), react.js (ver 16+), Node (Ver 14+) and extremely good in JavaScript, HTML & CSS
- Experience : 3-6 years relevant

About Careator Technologies Pvt Ltd
About
Careator Technologies :
We provide end-to-end IT and digital transformation services, including SAP ERP solutions (implementation, S/4HANA migration, cloud, analytics), Salesforce CRM services (full-cycle implementation, customization, integration, support), and Custom Application and Product Development.
We also deliver Business Intelligence & Analytics solutions and IT staffing/talent solutions to help organizations scale technology teams and projects effectively.
15 years of Delivering Assurance Globally.
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Job Title : Frontend Developer (React + Three.js)
Location : Noida
Experience : 2+ Years
Job Description :
We are looking for a Frontend Developer with strong skills in React.js and Three.js to build interactive, high-performance 3D web applications. The role involves creating smooth 3D experiences, optimizing performance, and collaborating with cross-functional teams.
Key Responsibilities :
- Develop responsive and dynamic UIs with React.js/Next.js.
- Implement and optimize 3D visualizations using Three.js/WebGL.
- Manage 3D assets (GLTF/GLB, textures, compression).
- Ensure performance optimization, cross-browser compatibility, and scalability.
- Collaborate with designers and backend teams to deliver seamless experiences.
Required Skills :
- JavaScript/TypeScript, React.js/Next.js
- Three.js / WebGL for 3D rendering & interactions
- State management (Redux, Zustand, Context API)
- 3D asset pipeline (GLTF/GLB, textures, compression tools)
- Performance optimization (profiling, draw calls, FPS tuning)
- API integration (REST/GraphQL)
- Version control (Git)
• Strong command of ReactJS
• Strong command of modern JavaScript (examples: arrow functions, async/await,
destructuring, rest & spread, etc.)
• Strong command of modern CSS and HTML (examples: flexbox, grid, media queries, etc.)
• Strong command of modern JavaScript tooling (examples: webpack, babel, ESLint, etc.)
• Hands-on experience with TypeScript on ReactJS projects is a bonus, but not required
• A good grip on Git
- 5+ years of relevant experience as an individual contributor working on the frontend technologies
- Strong technical foundation and experience building user interfaces for complex applications.
- Deep proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js core principles and experience with latest React concepts like hooks, context APIs
- Experience with popular state management libraries like Redux, Flux
- Familiarity with newer specifications of ECMAScript and knowledge of modern authorization mechanisms, such as JSON Web Token
- Experience with common front-end build tools such as Babel, Webpack, NPM, etc.
- Familiarity with Git
- Hands on experience with markup languages
- Background contributing best-practices and architectural leadership to front end applications
- Demonstrable understanding, and experience in dismantling large, abstract problems into smaller, workable tasks.
- Strong interpersonal skills with the ability to effectively collaborate cross functionally with designers, product managers and other engineers.
About the company:
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.
About you:
We are looking to add an immensely talented Senior 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.
Roles & Responsibilities:
- You are empowered to work directly with leadership and the product team to make decisions about your code and future of the product.
- Deliver high quality modular code deployed over web, mobile and native IoT enabled terminals that leverage REST-based services and real time sockets.. This would include visual dashboards and real time optimizations 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.
- Own your 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.
Tech Stack skills required:
- React/Redux
- Python/Django/Celery
- Git, AWS, ELB (Elastic Beanstalk), Netlify
- PostgreSQL/Redis/S3
Location:
On- site: Kolkata, West Bengal
Compensation & Benefits:
- Cash Compensation: As per industry standards & pedigree of candidate
- 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
- Generous leave structure and WFHs including Marriage, Maternity & Paternity leaves
- 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.
Company Link: https://nowpurchase.com">https://nowpurchase.com
LinkedIn: https://www.linkedin.com/company/nowpurchase/">https://www.linkedin.com/company/nowpurchase/
React Developer - Weapons Master
Smooth like butter, like a criminal undercover
Do your fingers dance to the tunes of frameworks such as Mocha, Jest, Jasmine, or Ava?
Are you a marksman who has never missed your shot while building pixel perfect UI with HTML5 and CSS & Sass?
You’ll fit right in if you have -
- At least a year’s experience with React and Redux. You Know how to integrate Babel and use Webpack You should have worked with unit testing frameworks such as Mocha, Jest, Jasmine, or Ava
- Experience building pixel perfect UI with HTML5 and CSS, Sass is a plus
- Used developer tool plugins for the browsers and have knowledge of Flow ( Plus points here) along with an understanding of functional programming concepts
What’s in it for you?
- - The ability to impact the next billion in the fintech industry.
- - Complete freedom to execute stupid ideas brilliantly
- - Furry friends to work with. We’re talking about our office cat, Shera of course!
- For more details dial - nine/one/zero/one/four/double three/eight/one/two.
About Company: Spica Systems (https://spicasys.com )
Spica Systems is a Silicon Valley based start-up, established in 2019 and are recognized as experts in building products and providing R& DandSoftware Development services in wide range of leading-edge technologies such as LTE, 5G, Cloud Services (Public -AWS, AZURE, GCP, Private -Openstack) and Kubernetes. Ithasa highly scalable and secured 5G Packet Core Network, orchestrated by ML powered Kubernetes platform, which can be deployed in various multi cloud modealong with a test tool. Headquartered in San Jose, California, we have our R& D centre in Sector V, Salt Lake Kolkata.
- Looking for a Software developer who will work on the product's Web UI side
- Hands on and working experience with React JS
- Experience in WebUI using Javascript technology.
- Experience: 2-4 years of React development in a team environment
- In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
- Knowledge of REACT tools including React.js, Webpack, Redux.
- Experience with user interface design. Knowledge of performance testing frameworks including Mocha and Jest.
- Experience with browser-based debugging and performance testing software.
Education: Bachelors/Masters in Computer Science, IT or Mathematics or Engineering
Traits: Quick learner, open minded, willing to learn
If you are interested in creating a user-friendly environment by writing code and moving forward in your
career, then this job is for you.
Building highly optimised reusable components for maximum performance across a vast array of devices.
Translating designs and wireframes into high quality code.
Troubleshoot and debug to optimize performance.
Support the entire application lifecycle (concept, design, test, release and support).
Write automated tests to ensure the product is of the highest quality.
Experience with Continuous Integration.
Ability to work independently in a fast-paced environment.
Required Skills
Minimum 2 years working experience on Front-end technologies like React, Webpack/Rollup, CSS, Node.js,
Object oriented JS, CSS in JS, TDD etc.
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 Redux)
Experience with data structure libraries (e.g., Immutable.js)
Knowledge of Isomorphic React, Server Side Rendering, Chunk Splitting etc.
Familiarity with RESTful APIs to connect Mobile applications to back-end services
Familiarity with modern front-end build pipelines and tools. Experience with common front-end
development tools such as Babel, Webpack, npm etc
We are looking for a highly motivated and skilled Lead Frontend Developer who can understand both the design and business context in a technical ecosystem and manage the consumer facing user interface development life cycle, from designing, planning and prioritizing to testing and release.
If you have hands-on experience developing robust, pixel perfect & fluid user interface in React or Vanilla JavaScript with Redux, Thunk or similar frameworks and are ready to build & lead a team of developers, we'd like to meet you.
Requirements
- 6+ years of web UI development experience including 4+ years of deep, hands on experience in building robust, highly reusable and responsive web applications using HTML, CSS3, SVG, React, Redux, Thunk ecosystem
- Great problem-solving skills with solid data structures and algorithms knowledge
- Strong ability to translate the design/wireframes into reusable micro components
- Experience of leading, coaching and mentoring junior developers with good delegation and time-management skills
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles and has extensively worked with Redux, Thunk, Axios etc
- Knowledge of modern authorization mechanisms, such as JSON Web Token, Oauth2 etc
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- A knack for perfection, benchmarking and optimization
- Writing and maintaining batch jobs to streamline processes (Shell, Perl etc).
- Strong understanding of Agile and Lean software development processes and practices
- Worked with WebSocket, Push notifications etc
- Experience working with local-storage, cookies etc
- Proficient understanding of CORS issues and ways to work with such issues.
- Proficient understanding of social network APIs.
- Experience with data structure libraries (e.g., Immutable.js)
- Inclined to take ownership of tasks and to ship highly polished products with excellent attention to detail.
- Strong verbal and written communication skills in English.
- BE/BTech in Computer Science or a related field or equivalent practical experience
Asp.net
Vb.Net
C#
JavaScript
HTML5/ CSS
RestFul APIs
RPC
Knowledge of Agile Methodologies









