In this role, you will be responsible for developing and integrating UI
components using React.js, hooks, typescript, ES6 and redux.
Should be good in unit testing library like react testing library/enzyme and jest
Should have in-depth knowledge of JavaScript and OOPs concepts, excellent front-end
coding skills, and a good understanding of the integration of REST services.
Experience/Knowledge with node.js, express.js, mongodb and mongoose will be an added advantage.
Preferably with 3 to 5 year

About osv solution pvt ltd
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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.
Responsibilities :
* 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
Skills :
* Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
* Thorough understanding of React.js and its core principles with Type Script
* Experience with popular React.js workflows (such as Flux or Redux)
* Experience with data structure libraries (e.g., Immutable.js)
* Knowledge of isomorphic React is a plus
* 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 Babel, Webpack, NPM, etc.
* Ability to understand business requirements and translate them into technical requirements
* A knack for benchmarking and optimization.
What you’ll do 💯
- Work closely with recruiters/hiring managers to understand customer pain points and opportunities for features and improvements
- Developing the exact pixel-perfect & Responsive UI from the designs provided
- Lead or participate in design reviews, code reviews and architecture evolution discussions. quality & performance goals
development efficiency.
- At least 2 Years of relevant work experience in React JS
- Experience in developing responsive Web Applications Development and reusable UI elements
- Architect and develop scalable and maintainable applications
- Expert Programming experience in HTML, CSS, JavaScript and React JS with the expertise to fuse these with modern web development practices
Bachelor’s degree in computer science, computer engineering or similar.
- Previous work experience of 4-6 years 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.
- Excellent project management skills.
- Proven experience implementing front-end and back-end JavaScript applications.
- Excellent communication skills.
- Critical thinker and good problem-solver.
● Web fundamentals as HTML, JavaScript, and CSS
● JavaScript/Typescript frameworks, especially Angular 11 and above
● Libraries like jQuery
● CSS Preprocessors like SASS or LESS
● Front-end (CSS) frameworks like Foundation or Bootstrap, AJAX
● Mobile First and Responsive implementations
● Working with REST API's and integrating them properly in a UI layer
- Build fluid, scalable, responsive, and consumer-centric web platforms that target users across a wide array of devices
- Collaborate closely with designers & backend developers and contribute to the full product development life-cycle from design and development to roll out
Take ownership of work and deliver quality results consistently - Own the delivery of multiple features in a fast-paced work environment
- Build optimized and modular components to provide performance-oriented solutions
- Work in a dynamic and collaborative culture ensuring good teamwork and communication with remote team members when needed
Qualifications
- 4+ Years of experience in frontend web development (1+ in ReactJS)
- Strong past experience of building, scaling and maintaining feature-rich customer-facing single-page applications
- Ability to translate designs into UI elements with accuracy and an eye for fluidity and responsiveness; strong grasp of any of CSS / sass / less
- Proven ability to implement key concepts of state management, security, and caching practices in enterprise-level web applications used at scale
- Proficient understanding of compatibility issues across different browsers and web and mobile devices and available ways to work around them
- Familiarity with the react ecosystem and popular libraries in that ecosystem
- Strong grasp over core web development concepts like HTML5, JavaScript, CSS3, general Web 2.0 techniques, and working without modern component libraries
- Experience with designing secure web applications with a strong understanding of common security vulnerabilities and best practices
- Understanding of data structures, algorithms and object-oriented programming
- Strong grasp over concepts of performance, optimization, lighthouse, etc
- Strong handle over Git, following best practices to facilitate collaboration
Skills that will give you an edge
- Hands-on experience with supporting payments and integrating payment gateways
- Experience with progressive web apps, service workers
- Strong grasp over frontend unit and end-to-end testing frameworks
- Hands on Expert in UI/Front End Engineering/Development specifically React,
- Redux, NodeJs who can code, design and own front end development and code.
- Experience in React v16, Reach Redux, React Fibre and JavaScript advance (ES6+),
- Experience in Advance State Management [Example: Redux, Mobx, RxJs, GraphQL etc]
- Good experience on UI framework like Angular JS/ Vue JS/ Ext JS/jQuery/ React JS or equivalent SPA framework
- Experience in HTML5, Javascript CSS3, ExpressJs, GraphQL
- Strong understanding of Rest APIs, Web Sockets, Service Workers, HTTP/S Protocol, Web Security and Cloud Infrastructure, CI/CD, Web Packaging and Optimization, UX and Styling.
- Expertise in Advance Java-Scripts
- Knowledge and experience with Data Structure and Design methodologies.
- Problem solving skill
- Good experience working in Agile/Scrum teams
- Good written and verbal communication skills.
As the lead for the frontend development team at Mosaic, you will be the sole owner of the
entire FE development cycle for our consumer facing web products in ReactJS. Also, you will
be responsible for shaping up the entire system for scale and collaborating intensively with the
backend and design teams to create the best consumer experiences. You would also need to
control the mobile app development lifecycle on ReactNative.
Responsibilities
- Overlook development of all user-facing products in React
- Build reusable components and front-end libraries for future use
- Translate designs and wireframes into high quality code
- Optimize components for maximum performance across a vast array of web-capable
devices and browsers
- Focus on code maintainability and performance of application
- Provide technical advice and assists in solving programming problems
- Use Server Side Rendering when applicable
- Enhance SEO, Analytics and overall frontend architecture for better performance
Requirements
- 4+ years of experience building frontend for consumer facing products
- 2+ years on ReactJS for consumer facing products
- 1+ years of Team Lead/Management experience
- Thorough understanding of architecting the frontend system with Server Side Rendering
- Good foundation in design and a knack for designing interactions and elegant interfaces
- Understands app development cycle
- Experience with NodeJS for Server Side Rendering/coordinating with the backend team
for API requirements
- Must come up with caching solutions where required to speed up the website load speed
and improve customer experience
- Experience with Word press
- Experts in HTML To Word press theming
- Plugin Creation and Management
- Able to develop the theme. Mastery of HTML, CSS, PHP and jQuery;
- Experience with object-oriented programming
- Experience with mobile platforms.
- Experience with the following technologies OOAD/OOPS (Object Oriented Programming) PHP 5, MySQL 5, any framework like Zend/Symfony/CakePHP, etc.
- Strong understanding and hands-on in HTML, DHTML, XML, CSS, JavaScript, JQuery/Prototype and AJAX.
- Very strong understanding of database technologies and SQL Optimization.
- A clear understanding of product development environment and methodologies.
- Experience in SVN/GIT Hub/Beanstalk
- Familiarity with web technology trends (Web 2.0) and the evolution of the Internet.
- Experience with Word press is mandatory, other CMS/framework experience will be an added advantage.
- Experience with Word Press Theme, Widgets, and Plugin customizing and developing new word press themes, Plugin modification/development, and widgets development.
- Expert knowledge in Word press installation, configuration, administration, security, and optimization.
- Desired Experience in customizing existing 3rd party themes, Plugin.
What You’ll Do
- Should be able to develop an application with vanilla Javascript without any frameworks.
- Maintain reusable code and improve code quality.
- Optimize application for maximum speed.
- Should take ownership and work closely with other teams. such as back-end.
- Make suggestions for better solutions to problems and keep abreast of the latest and emerging technologies.
- Be comfortable working throughout the lifespan of a project.
Who you are
- Should have minimum 5+ years of experience.
- Proficient understanding of web markup, including HTML5, CSS3 and vanilla JavaScript.
- Should have good knowledge on ES6.
- Understanding of CSS pre-processing platforms, such as LESS and SASS.
- Should be proficient any of the the frameworks ReactJs, VueJs etc.
- Should have knowledge on Node Js.
- Should have hands on experience web component development.
- Good understanding of Responsive Web Designing, CSS media queries and Bootstrap library.
- Understanding of cross-browser compatibility issues and ways to work around them.
- Good understanding of asynchronous/Ajax request handling.
- Good understanding of OOJS.
- Knowledge of code versioning tools, such as GIT.
- Knowledge in writing UI test cases using any test framework.
Education
- Bachelor's degree in Computer Science, Engineering or equivalent demonstrable experience.
Benefits
- In addition to competitive salaries and benefits packages, Nisum India offers its employees some unique and fun extras:
- Continuous Learning - Year-round training sessions are offered as part of skill enhancement certifications sponsored by the company on an as need basis. We support our team to excel in their field.
- Parental Medical Insurance - Nisum believes our team is the heart of our business and we want to make sure to take care of the heart of theirs. We offer opt-in parental medical insurance in addition to our medical benefits.
- Activities -From the Nisum Premier League's cricket tournaments to hosted Hack-a-thon, Nisum employees can participate in a variety of team building activities such as skits, dances performance in addition to festival celebrations.
- Free Meals - Free snacks and dinner is provided on a daily basis, in addition to subsidized lunch.
We are an IIT Bombay incubated, healthcare start up developing a mobile based Ai technology to help reduce health risks for women during their pregnancy. Our Founders are Harvard and Columbia University alums with extensive experience in digital health in the US and India.
Mobile Development Engineer - React Native (Location: Mumbai)
Requirements:
2-4 years of experience on React Native. Good understanding of start up environment.
1. Advanced knowledge of React Native.
2. Excellent knowledge of React native libraries, Redux, HTML5, CSS3, JavaScript.
3. Excellent knowledge on android and iOS UI design principles, patterns and best practices.
4. Experience working with publishing on stores.
5. Experience working with Rest APIs.
6. Knowledge of integration and utilization of cloud services and payment systems.
7. Should have played a key role in conceptualising to deployment of apps using React Native.
8 Project management, scheduling, allocation and delivery.
9. Proven experience of agile development, sprint planning and backlog management.
10. Keen focus on customer, excellent communication skills, with high level of responsiveness and responsibility.
Good to Have:
Full Stack experience.
Experience working on chat apps, community, and healthcare domain.
Exposure or Interest in NLP, Machine Learning.







