
• Relevant experience in React JS 5+ Year
• Experience in Hooks, Typescript
• Experience in GraphQL (Query & Mutations)
• Strong experience in Jest for Unit Testing
• Knowledge on docker, K8 and Kafka

About Matellio India Private Limited
Similar jobs

About Our Client
Our client is a Currency Exchange in India. Built with user experience and security in mind, Our Client provides instant fiat to crypto conversions with zero fees, so that users can have access to a diverse suite of financial products and services that are backed by industry-leading security processes and insurance protection. Our Client aims to be the global gateway to cryptocurrencies. Its proprietary liquidity aggregation model provides its users with access to liquidity from leading global crypto exchanges. Our Client is recognized and awarded for its contribution to the Indian emerging tech space.
Why Our Client?
Cryptocurrency Traders are looking for a strong global platform that can help them trade faster, better and smarter. We are building a platform that can solve their needs. The opportunity is big, and the journey is tough. Now that’s a challenge that needs to be addressed. You do that. You are phenomenal in solving these complex challenges. You help our team do more.
As a Front End Developer - Angular, you do all of the above and more. You make a difference.
What will I do?
- Delivering a complete front end application
• Ensuring high performance on mobile and desktop
• Writing tested, idiomatic, and documented JavaScript, HTML, and CSS
• Coordinating the workflow between the graphic designer, the HTML coder, and yourself
• Cooperating with the back-end developer in the process of building the RESTful API
• Communicating with external web services
• Ensure high-quality graphic standards and brand consistency
• Stay up-to-date on emerging technologies
• Write functional requirement documents and guides
What skills should I have?
- Must have 7+ years of experience in frontend development with an internet startup.
- Deep knowledge of Angular practices and commonly used modules based on extensive work experience
- Proficiency with JavaScript and HTML5
- Extensive knowledge of CSS and JS methods for providing performance visual effects and keeping the frame rate above 30fps at all times
- Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
- Creating custom, general use modules and components which extend the elements and modules of core Angular
- Ability to understand business requirements and translate them into technical requirements

Murf AI is a fast-growing Series A-funded startup backed by Elevation Capital and Matrix Partners India. Founded in 2020 by alumni of IIT Kharagpur, we have served 2 Mn+ voice-over projects through our core product, the Murf Studio, which now caters to customers in 100+ countries.
We are working on simplifying voice audio and making high-quality voiceovers accessible to everyone, using artificial intelligence. Murf helps users create lifelike voiceovers in a matter of minutes, without the need for any recording equipment. (https://murf.ai/).
Some interesting facts about Murf AI:
Customers in 100+ countries
1Mn+ registered users
7X growth in revenue in the last 12 months
120+ voices in 20+ languages offered by Murf Studio
Job Description
We are looking for a React.js developer who has a good knowledge of modern (ES6+) Javascript to build the next generation of Murf AI Studio’s frontend. You would be responsible for building a feature packed cloud based tool for generating and editing synthetic media. You will build user-facing components and implement them with different workflows and toolchests like Redux and Flux. Your primary focus will be to develop a stable, robust, aesthetic and maintainable product. You also need a good understanding of the toolchain of modern web development including packers and transpilers and apply these pragmatically to achieve high quality deliverables.
Responsibilities
- Create new features or parts of applications, with a natural ability to deliver on short timelines.
- Develop components and libraries that are reusable and future-proof
- Confident in using UI/UX designs or wireframes to create the respective code and the application
- Use your knowledge on React.js and its lifecycle to maximise components performance across different devices and browsers
- Work with design and content teams, to improve customer facing landing and resource pages.
Required Skills & Qualifications
- 1-3 years of experience in building complex react based applications
- Bachelor's degree in CS or similar fields
- Deep understanding of React.js and its fundamentals, ideally including modern features like hooks
- Excellent understanding of Javascript including the OOP concept and how shadow DOM and DOM work
- Experience with widely used React.js state managers like Flux, Redux, Thunks or Sagas
- Knowing modern ECMAScript
- Experience with data structure libraries like Immutable.js
- 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
- Understanding of what the business / stakeholders need and transfer that into your project
Extra Awesome
- Animation skills using CSS/SVG/JS
- Experience with AWS technologies such as Cloudfront, Lambda, S3.
- Understanding of authorisation mechanisms like OAuth, JSON Web Token
- Understanding of on-site Technical SEO and accessibility concepts

Be a part of one of the best IT companies that is making it easier for businesses and customers to interact with each other, efficiently and economically too.
Our client is a global platform that provides exceptional customer engagement through chatbots and various channels for their business clients. They have made their presence known across verticals, small and large businesses and even in emerging markets. The objective of their messaging platform is to create a rich experience for the marketing, sales and support teams using messaging channels, device manufacturers and operators.
They are currently working with nearly 40 thousand brands, serving almost 6 billion messages per month. Their clientele includes well-known giants such as HDFC Bank, Twitter, FB, Whatsapp, Google, LinkedIn, Zomato, Citibank, Vogue and many more. With offices based in the USA, Brazil, Mexico and India, their team has become an integral part of their clients’ numerous customer success stories.
As a Frontend Developer, you will be required to be an expert in technologies such as HTML, CSS, Javascript, ReactJS, UI Design tools, Wireframe tools etc. and work on the Frontend development of our products/ services.
What you will do:
- Designing and developing a UI framework that can be used across multiple products and website
- Working on optimization of the web application/ websites and keeping knowledge of tools used to benchmark the performance.
- Being aware of agile development (short sprints) and helping the team with debugging and troubleshooting issues.
- Learning newer technologies in UI/UX and guiding the team in delivering quality results.
What you need to have:
- 1 - 7 years of experience in front end development
- Be an expert in technologies such as HTML, CSS, Javascript, ReactJS, UI Design tools, Wireframe tools etc.
- Good experience in HTML, CSS, Java scripting
- Knowledge/experience in React js/ Redux/ Vue Js is required
- Good knowledge on UI design tools and wire frame tools
- Experience in designing UI framework


Required Education: B.E/B.tech/ MCA
Required Experience: 8+ Years
Location: Ahmedabad / Pune / Bangalore/ Broda/ Rajkot
Roles and Responsibilities
- Architect and drive complex software frontend framework refactor projects that incrementally modernize areas of the application and establish new guidelines for future product features
- Work with UI/UX designers, developers, and database administrators to analyze workflows and current implementation, and make a roadmap to refactor the frontend SPA that can be delivered in an incremental manner
- Efficiently working with various profiling and monitoring tools to identify performance and concurrency bottlenecks, propose and implement optimizations to improve cloud product
- Review end-user usage patterns, customer logged performance defects, and enhance page load performance based on gaps identified
- Understand application architecture, application interactions with backend applications and with other downstream systems
- Troubleshoot issues experienced by users and propose solutions
Basic Qualifications
- 8+ years of experience in implementing and driving front-end engineering and refactor projects and solutions
- Advanced level experience with SPA, modern UI fundamentals, multi-tenant application, concurrency, multithreading, and distributed system architectures
- Expert-level knowledge of JavaScript programming language
- Comfortable with Windows, SQL Server, .NET Framework/Core, GIT, Nuget, React Framework, ORM Framework NHibernate in terms of both tools and application development
- Passionate about finding software performance bottlenecks and optimizing code to produce a better customer experience
- Experience with APM (Application Performance Monitoring), RUM (Real User Monitoring), and other Dev tools used for Performance monitoring and analysis

Job Details:-
Designation - Front-end Developer
Location:- Mumbai
Minimum Experience Required:- 2-4 Years.
Package Offered:- Rs.4,00,000/- to 7,00,000 pa.
Must have experience in React.js
We are looking for a qualified Front-end developer to join our IT team. You will be responsible for building the ‘client-side’ of our web applications. You should be able to translate our company and customer needs into functional and appealing interactive applications.
Front-end Developer Job Description:-
Responsibilities
- Use markup languages like HTML, React.js to create user-friendly web pages
- Maintain and improve web apps
- Optimize applications for maximum speed
- Collaborate with back-end developers and web designers to improve usability
- Get feedback from, and build solutions for, users and customers
- Write functional requirement documents and guides
- Help back-end developers with coding and troubleshooting
- Stay up-to-date on emerging technologies
Required Experience and Knowledge
- Proven work experience as a Front-end developer and hands-on experience with markup languages
- Experience with React.js (Saga), JavaScript, CSS (less) and Ant Design
- Familiarity with browser testing and debugging.
- In-depth understanding of the entire web development process (design, development and deployment)
- Understanding of layout aesthetics and knowledge of SEO principles
- An ability to perform well in a fast-paced environment
- Excellent analytical and multitasking skills
- Identify bad code practices in JavaScript and write new analyzers to detect them.
- Improve the coverage of automatically fixable issues.
- Ensure fewer false-positives are reported by the analyzer.
- Work on the internal tools that support analysis runtimes.
- Contribute to open-source static analysis tools.
We’re looking for someone who has:
- Strong foundational knowledge in Computer Science.
- At least 3 years of professional software development experience in JavaScript.
- Understanding of the nuances of execution of the source code (AST, data flow graphs, etc).
- Familiarity with JavaScript practices followed in the industry.
- Native experience with Linux/Unix environment.
- A focus on delivering high-quality code through strong testing practices.

WORK FROM HOME / 1 year Contract Role |
Designing a modern highly responsive web-based user interface with the latest user-facing features ·
·Building reusable components and front-end libraries ·
Translating wireframe and design into high-quality code ·
As a React.js Developer, you will be involved from conception to completion with projects that are technologically sound and aesthetically impressive ·
· Maintain code and write automated tests to ensure the product is of the highest quality ·
· Optimizing components for maximum performance across a vast array of web-capable devices and browsers ·
· Leverage assets and resources provided by the client into applications ·
· Write and optimize code in a well-documented and clean way alongside its benchmarking products
|
REQUIREMENTS:
|
We are looking for experienced React JS developers who are proficient with JavaScript and TypeScript.
The primary focus of the selected candidates would be on developing user interface components implementing and executing them following well-known React.js workflows (such as Next and redux). Enduring these components, the overall application should be robust and easy to manage.
You should be a team player with commitments to achieve perfection by every stage of development that includes collaborative problem solving, sophisticated design, and quality products |
TECHNICAL SKILLS:
|
·Proficiency in JavaScript and TypeScript including DOM manipulation
· Knowledge of functional and object-oriented programming in JS/TS · Experience with HTML, CSS, ECMAScript (ES6), Restful APIs (application programming interfaces)
Experience with common front-end development tools such as babel, Webpack, NPM, Yarn, etc. ·
Knowledge of modern authorization mechanisms, such as JSON Web Tokens · Knowledge of other frameworks such as Gatsby JS, Angular, Vue, etc. is a plus · Knowledge of Code versioning tools such as Git, SVN, etc. ·
Understanding of automated testing tools like Jest, Mocha, etc.
|

* Research, guide, and execute frontend architecture changes
* Ensuring high performance of web app
* Writing tested, idiomatic, and documented JavaScript, HTML and CSS
* Cooperating with the back-end developer in the process of building the RESTful API
Skills and Qualifications:
* Proficiency with reactive Programming in JavaScript
* Deep knowledge of Angular2.0+/React practices and commonly used modules based on extensive work experience
* Creating self-contained, reusable, and testable modules and components
* Ensuring a clear dependency chain, in regard to the app logic as well as the file system
* Extensive knowledge of HTML & CSS
* Validating user actions on the client side and providing responsive feedback
* Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed
* Creating custom, general use modules and components which extend the elements and modules of core Angular2.0+/React
* Experience with all levels of operation available to the front-end

Requirements
- 2-5 years of experience as a front-end developer
- Experienced in developing applications using JavaScript, ReactJS, Redux, Redux Saga, NodeJS, HTML5, CSS3/CSS4 and other UI technologies.
- Understanding and experience with ES6 concepts, asynchronous processing, partial page refresh, DOM traversal and manipulation.
- Experience with REST API construction, documentation, and architecture, including API description languages like Swagger.
- Comfortable writing Unit Test Cases (Enzyme/ Jest)
- Familiar with cloud services: AWS, Dev-ops such as Git, Jira, Confluence
- Good to have experience/knowledge of
- Spring (MVC, IOP/DI, REST, Security)
- Docker,
- Scala,
- Python
- Able to connect the dots between code and business value
Responsibilities
- Engage in high level conversations about business strategy and the role tech plays in it
- Write well-designed, testable, and efficient code that powers our application
- Write specs and do planning for everything we build
- Conduct application analysis, testing, and debugging
- Diligently document code to keep it clean and transparent
- Ensure cross-browser and device compatibility
You Are
- You believe it’s always on you to make sure anything you do is a success.
- You have the ability to make quick and effective decisions.
- In love with a challenge. You revel in solving problems and want a job that pushes you out of your comfort zone.
- Open to change. You’re inspired by the endless ways in which everything we do can always be improved.
Add-Ons/Interview Process
- You should be comfortable working in a Start-up for in-house product development.
- Will not be engaged with any Client, but with the internal team (in India & the US).
- Will be provided a hands-on exercise to complete and submit as a part of interview.

Responsibilities:
- Build customer facing technology product for global customers.
- Own the Product's frontend and backend development, building reusable, testable, and scalable code
- Research, evaluate, analyse and implement technical requirements
- Collaborate with product management teams to define and implement innovative solutions for the product direction, visuals and experience
- Mentor Junior members of the team
Requirements:
- 5+ years of experience building scalable products, distributed applications product/services in JavaScript and one of Angular/React
- Should have sound knowledge and experience in HTML and CSS
- Familiarity with UI layout, and CSS grid system or experience working with Bootstrap or any other CSS frameworks is a must
- Should have worked on the complete UI lifecycle of converting UI/UX designs into prototypes, write reusable modules
- Implement UI development principles to ensure client side scaling and clean and maintainable code that performs well on various performance metrics
- Understanding of multiple delivery platforms, such as Mobile & Web and developing Responsive UI
- Designing Unit Test cases, integrated test cases using Selenium and Protractor
- Strong coding and problem solving skills
- Ability to own end-to-end deliveries, right from requirements till release
- Excellent coding skills and ability to produce high quality, bug free and testable production grade code
- Experience working in an Agile/Scrum development process
- Ability to review code and continuously push for higher standards of development
- Knowledge of both SQL and NoSQL database services and related tools with the expertise to create efficient schemas, preferably MongoDB would be nice to have

