
Javascript Developer
at New company in Kolkata looking to recruit new employees

Similar jobs
- Experience: 5+ years of professional experience in front-end development with a strong focus on React.js.
- Technical Skills: Proficiency in JavaScript (ES6+), HTML5, CSS3, and modern JavaScript frameworks/libraries.
- React Expertise: Deep understanding of React.js and its core principles, including hooks, context API, and state management.
- Tools: Experience with version control systems (e.g., Git), build tools (e.g., Webpack), and testing frameworks (e.g., Jest, React Testing Library).
Preferred Qualifications:
- Experience with: Knowledge of TypeScript, Redux, and modern front-end build pipelines and tools.
- Design: Familiarity with UI/UX design principles and responsive design.
- Blockchain: Understanding of blockchain technologies and cryptocurrency concepts is a plus.
Hiring - React JS Developer Freelance Consultant (WFH-Remote)
Greetings from Deltacubes Technology!!
Skillset Required:
React JS
Experience:
5+ years
Thanks
Bavithra
Talent Acquisition Specialist
Who are we?
Whatfix is the #1 Digital Adoption Platform (DAP) for Enterprises. We are disrupting the way Learning, Training and Application Support content is consumed. We provide large enterprises with a SaaS platform that helps accelerate product adoption and reduce support & training efforts by providing contextual and step by step guidance inside any web application at the exact time a task is being performed. The product has redefined the way companies onboard, train, and provide support to users.
What sets us apart from the rest?
With over 100 of the Fortune 500 companies already onboard as customers, Whatfix has been named among the top 20 B2B tech companies alongside the likes of Adobe, PayPal, and Cisco.
With a YoY growth of 300%, we have also been recognized among the top 50 fastest growing SaaS companies worldwide in the SaaS 1000 list and as a Market Leader by Gartner in the Digital Adoption space.
We are pleased to have an Employee rating of 4.6 on https://www.glassdoor.co.in/Reviews/Whatfix-Reviews-E1016569.htm" target="_blank">Glassdoor and our Customer obsession can be seen in our reviews on platforms like https://www.g2.com/products/whatfix/reviews" target="_blank">G2 Crowd & https://www.gartner.com/reviews/market/customer-communications-management-software/vendor/whatfix/product/whatfix" target="_blank">Gartner Peer Insights.
The employees are happy, the customers are happy, but what about the investors? Take a look for yourself - http://www.sequoiacap.com/" target="_blank">Sequoia Capital || http://www.stellarisvp.com/whatfix-what-we-learnt-from-series-a-to-series-b-in-a-saas-business/" target="_blank">Stellaris || https://blogs.cisco.com/innovation/tomorrows-customer-experience-why-cisco-invested-in-whatfix" target="_blank">Cisco || https://eightroads.com/en/news/our-investment-in-whatfix" target="_blank">Eight Roads || http://www.helionvc.com/blog/we-are-pleased-collaborate-whatfix.html" target="_blank">Helion Ventures
“Hustle Mode ON” is something we live by.
Our Team:
The Engineering team at Whatfix provides end-to-end engineering throughput that forms part of core platforms and services that drive Whatfix's business.
Our team is responsible for creating the Customer Platform and everything around it - be it Analytics, Infrastructure, or Core Algorithms. The team owns and is responsible for all pieces that we design, build and support end to end for Whatfix product/ business.
Our product is built around a core of JAVA with enterprise businesses using the Whatfix system. On a monthly basis, millions of interactive guides are processed. Building, testing, and deploying to any of our environments are as simple as pushing a commit to a git branch. We like to keep our technology up-to-date. All of the technology is built and maintained by this small development team, so from day 1, the software you write will be used by people from all over the world.
RESPONSIBILITIES:
- Design and develop highly scalable, reliable, and fault-tolerant systems for one of the world’s fastest-growing startups
- Work with business to define requirements
- Perform technical design and hands-on coding for development and enhancement efforts
- Develop new user-facing features
- Building reusable code and libraries for future use
- Ensure the technical feasibility of UI/UX designs
- Optimize applications for maximum speed and scalability
- Assure that all user input is validated before submitting to back-end services
- Promote best practices in design and coding
- Conduct design and code reviews
- Understand the customer needs & implement
- Articulate complex problems communicating viable architecture and design approaches in a clear and concise manner
- Enhance the agile SDLC within the Development Team through new learning, continued growth, and applying industry best practices and processes
- Occasionally participate in customer demos & provide inputs wherever required
- Keep optimizing & automating mundane tasks
You'll be a core member of the team.
Individual growth is important to us. We schedule time every week to explore an interest or learn something new. Team members have also used it to do everything from learning new algorithms to playing with the new framework, to exploring what the new analytics layer could be used for. We also take some time each day to discuss what we're working on, and even pair programs to teach each other about parts of the codebase. There's no risk of stagnation in this job, you would still be hands-on after a few years.
REQUIREMENTS:
We are looking for a Front-End Engineer to help us scale and go deep on our technical capabilities.
- 4 -12 years of professional front-end development experience
- Hands-on experience with Front end technologies - JavaScript, Typescript, HTML, CSS
- Experience with React Ecosystem (React Router, Styled-components, Server-side rendering, Context API, React Hooks) is strongly preferred
- Experience with state management libraries such as Redux is a huge plus.
- Proficient understanding of cross-browser compatibility issues and ways to work around such issues
- Experience in backend programming languages such as Java is strongly preferred
- Experience in building Web applications using frameworks like Spring, Microservice architecture
- Work experience, preferably from internet companies, products, or startups
- Expertise in design principles and their application
- Strong verbal and written communication skills
- Fast Learner & a Team Player
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
As a Senior Experience Technologist, you’ll be working as part of an agile team with other passionate, driven, and talented people, creating innovative solutions for our clients. Your primary responsibilities will include developing interactive web-based, mobile, and/or desktop applications using Sapient as well as industry best practices to deliver high value and quality to Publicis Sapient clients.
What are we looking for in you?
• Technical end-to-end design for stories by collaborating with business analyst/product owner, technical architect and clients
• Implement stories end-to-end, which includes Frontend, Backends for Frontend (BFF), Caching and also service orchestration in some cases) using best engineering practices like test-driven development, SOLID principles and consideration of non-functional requirements like performance, scalability, security or cloud readiness (as applicable) at the story level
• Automates testing at unit, module and integration level as needed using tools relevant for the platform (e.g. Jasmine, Jest, Karma, Webdriver.io etc.)
• Focus on quality by implementing best practices like logging, calling out technical debt, meeting KPIs using code quality tools like SonarQube, ESLint (customize and sync with Sonar), Stylelint/Sasslint and so on.
• Hands-on with automating redundant work, like common component structure, both in terms of scaffolding as well as using the right design patterns / creating abstractions.
• Mentor junior engineers in helping review code, guiding on technical decision making
Key Requirements:
• 4-9 years’ experience
• Hands-on knowledge of HTML5, CSS3, JavaScript
• Hands-on experience working with Object Oriented JavaScript (OOJS), JavaScript - and practical uses in building complex interactive experiences, primarily with ECMAScript 2015+. You should be up-to-date with new specifications (different stages), and also, using transpilers like Babel to use features from all stages
• Good understanding of creational and structural design patterns in JavaScript
• Experience working with Single Page Applications (SPA) with universal rendering capabilities.
• Good understanding of React.js, its core principles - lifecycle methods, virtual DOM etc. and at least 6 – 12 months hands-on experience with the same
• Understanding of one-way data flow and the Flux architecture.
• Understanding of stateful (container) vs stateless (presentational) components and how to break down the application page into components
• Core understanding of how React’s state management works out of the box.
• Understanding of different CSS architectures that go hand-in-hand with React.js application development. Pros and cons of component-level CSS vs global and where to apply each
• Thorough understanding of Webpack bundler (version 2+).
• Good understanding of the Web Components standard.
• Hands-on experience with building Progressive Web Apps (PWAs) on any framework.
• Hands-on experience with Frontend Performance Optimization – especially in a React application with respect to resource loading strategy, CPU/Memory profiling on the browser.
• Hands-on experience with test-driven development using Jest or equivalent. Familiar with snapshot testing, code coverage. Experience working with utilities like Enzyme
• Experience using fluid grids, and building responsive/adaptive websites using Bootstrap etc.
• Understanding of SEO and accessibility and making it part of the development workflow
• Moderate to Strong graphics manipulation/optimization skills using Photoshop is a plus.
Knowledge & experience of the below skills will earn additional brownie points:
• Logically understands relational databases like MySQL and non-relational databases like MongoDB and can manage to work with it.
• Hands-on experience with GraphQL.
• Hands-on experience working with client-side templating languages like Handlebars, Mustache, etc.
• Hands-on experience with Functional Programming (FP)
• Hands-on experience working with frontend build systems and automating the same using any task runner
• Understanding of hybrid vs native mobile apps – and pros/cons with respect to PWA.
Hands-on experience working with server-side JavaScript frameworks like Express, Koa, Hapi etc. (based on Node.js
• Good understanding of REST APIs and Microservices. Should have an understanding of how resources are organized and how an application should align based on the same. You are expected to have an understanding of how CRUD operations map to HTTP methods for a well-designed service.
• Hands-on with DevOps pipeline and able to tweak/change build/deployment pipeline as needed in the context of a module (e.g. Jenkins / Travis / Now.sh / Gitlab)
• Experience with configuring Webpack from scratch and working knowhow of Rollup / Parcel.
Education:
Bachelors in Computer Science or equivalent education covering Math, Algorithms, Data Structures, Networking, Databases, Operating Systems, Graphics.
About us: At Publicis Sapient, we enable our clients to thrive in Next and to create business value through expert strategies, customer-centric experience design, and world-class product engineering. The future of business is disrupting, transforming, platforming, and becoming digital to the core. We see it in every major industry, from financial services to automotive, consumer products, retail, energy, and travel. We are looking for people who have the courage to break out of what has always been to go do what will be. If you have an optimism that says there is no limit to what we can achieve in this exciting time, then we should talk. Our work is fueled by challenging boundaries, multidisciplinary collaboration, highly agile teams, and the power of the newest technologies and platforms. Our people thrive because of the belief that it’s both our privilege and
responsibility to usher our clients and the world into Next. We are seeking those deeply skilled, bold, collaborative, flexible, and who want to reimagine the way the world works to help businesses improve the daily lives of people, and the world. This is the world-class engineering team where you should build your career.

Integrate and extend Python REST APIs and create visually stunning UI experiences for analysts and
users.
Create flexible dashboards and reports (using plotly, d3, etc) and leverage open source technology to
create various components.
Create a flexible UI for data analytics and big data usecases which can be used by Large Tier banks as
well as smallscale agile startups
Write unit tests and functional tests for the component using tools like Jasmine, Karma, Cypress, etc.
Follow software development practices with continuous testing, development and integration (CD/CI)
Write and maintain technical design documents and new-feature documents
Collaborate closely with developers, engineers, testers, and product managers
Participate in peer-based code reviews and design reviews
Follow agile methodology and encourage collaboration with tools such as GIT, Confluence and Slack
applications
Skills Required:
- Deep understanding of React.js and its fundamentals, ideally including modern features like hooks
- Excellent understanding of TypeScript/Javascript including the OOP concept and how shadow DOM and DOM work
- Experience with widely used React.js state managers like Flux/Redux
- Knowledge of RESTful APIs
- Familiarity with modern front-end build pipelines and tools like Webpack, Babel, NPM etc
- Knowledge of the overall browser rendering behaviour and measuring and optimising performance
- Strong hands-on experience with source code management systems like Git
We Anju Siima Technologies Private Limited are looking for a Flutter developer who is proficient with dart programming language. Your primary focus will be on developing user interface components and implement them following well known Flutter workflows.
Responsibilities:
- Develop new user interfacing features using Dart / Flutter framework
- Building reusable widget components and front-end libraries/packages for future use
- Maintain existing codebase on repositories
- Translate design and wireframes into high quality code
- Optimising widget components for maximum performance across mobile devices
- Stay updated with emerging technologies and implementing them into the current code base.
Skills:
- Strong skills in Dart & Flutter
- Experience with understanding of Mobile Application Development Lifecycle
- Familiarity with third party libraries and its integration
- Experience with GIT
- Familiarity with RESTful API’s
Looking for Angular developers with good experience in Angular (Version 2 and above) ,HTM5 and CSS3.The role is responsible for designing, coding and modifying webpages, from layout to function and according to the design specifications. This position requires constant interaction with other team members like UX, UI & Service development team.
Responsibilities:
• Work with API Development Engineers to Understand the Scope of Integrations & use cases.
• Building Re usable components using Angular adhering to best coding practices. • Ensure Quality of deliverables adhering to coding standards and Best practices
• Following up with UX team for Reviews on UI components & Styling.
• Perform unit testing and identify, troubleshoot and solve code-related issues as needed.
Desired Skills & Competencies:
• HTML/HTML5, CSS3, JavaScript, Angular (Version 2 and above) ,TypeScript – Mandate skill.
• Familiar with Responsive design using Bootstrap.
• Experience in Unit Testing – using Karma , Jasmine Frameworks.
• Exposure to SonarCube as code coverage tool
• Experience with front end tools like – Webpack, AngularCLI, NPM, Redux.
• Experience in integrating REST / SOAP Web services (API).
• Strong knowledge in OOPS concepts.
• Having very good debugging skills.
• Ability to develop reusable functions/components with optimized and no defect code.
• Ability to work independently and deliver quality work.
• Knowledge of Using Source Repositories like Git & Bitbucket.
- Be a great team player, experienced in working with agile teams. Ability to collaborate closely with developers and UX designers.
- Develop new user-facing features
- Build reusable code and libraries for future use
- Ensure the technical feasibility of UI/UX designs
- Optimize application for maximum speed and scalability
- Assure that all user input is validated before submitting to back-end
- Collaborate with other team members and stakeholders
- Take pride of ownership in features that are used by users in Global 100 enterprises around the world
Required skills:
- Passionate about building great products with a track record of having worked as part of teams that have built enterprise products in production.
- Motivated to combine the art of design with the art of programming
- Proficient understanding of web markup, including HTML5, CSS3
- Proficient understanding of client-side scripting and JavaScript frameworks such as JQuery, Kendo UI
- Basic working knowledge of MVC Razor
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- Proficient understanding of cross-browser compatibility issues and ways to work around them
- Angular 2 and above is a must
- A great communicator of ideas and solutions and a lateral thinker when faced with complex problem
Qualifications
B.E / B.tech
Any technical or science graduates

