
React.js Developer
at "A start-up focusing on next-gen disruptive technologies"
Position: React Js Developer
Location: Chennai
Job Specification
- Research, design, implement and manage front end applications Integrating and testing with Restful APIs.
- Identify the areas for modification in existing programs and subsequently developing these modifications
- Writing and implementing efficient code Determining operational practicality
- Work in an agile team Maintaining and upgrading existing systems.
- Delivering a complete front end application from scratch or extending existing application
- Proficiency in React JS and React Native is a must ensure high performance on Mobile and desktop. Writing high quality JavaScript, HTML and CSS.
- Work experience in creating progressive and responsive web applications ensures the best possible performance, quality and responsiveness of the web application.
- Identify and correct bottlenecks and fix bugs.
- Familiarity with RESTful APIs to connect to back-end services and data parsing using XML, JSON.
- Thorough understanding of the responsibilities of the platform, database API, caching layer, proxies and other web services used in the system.
- Configuration, build and test scripts for Continuous Integration environments. Proficiency in Git.
If you posses the above mentioned required skill sets & want to grow along with our fast paced growing Organisation then please share your updated CV.

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Job Title: React Developer (2+ Years Experience)
Location: React Developer
Job Type: Full Time
About the Role:
We are seeking a talented and experienced React Developer to join our development team. The ideal candidate will have at least 3 years of hands-on experience building and maintaining complex front-end applications using React.js, along with strong JavaScript/TypeScript skills and a solid understanding of front-end best practices.
Key Responsibilities:
• Develop responsive web applications using React.js and related technologies.
• Translate UI/UX designs into high-quality code.
• Optimize components for maximum performance across devices and browsers.
• Collaborate with back-end developers, designers, and other stakeholders to deliver high-quality products.
• Write clean, scalable, and maintainable code.
• Participate in code reviews and technical discussions.
• Debug and troubleshoot application issues and bugs.
• Keep up with the latest trends and best practices in front-end development.
Required Skills & Qualifications:
• Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).
• 3+ years of professional experience in front-end development using React.js.
• Strong proficiency in JavaScript, HTML5, and CSS3.
• Experience with TypeScript, Redux, React Hooks, and Context API.
• Familiarity with RESTful APIs and asynchronous programming.
• Knowledge of front-end build tools such as Webpack, Babel, or Vite.
• Experience with version control systems like Git.
• Familiarity with testing frameworks such as Jest, React Testing Library, or Cypress.
• Strong problem-solving skills and attention to detail.
Nice to Have:
• Experience with Next.js or server-side rendering (SSR).
• Familiarity with CI/CD pipelines.
• Exposure to Agile/Scrum development methodologies.
• Understanding of accessibility and web performance best practices.
We are looking for a highly motivated individual that can help us solve interesting and complex problems for our clients. You will be working closely with product and engineering teams based out of the USA, Europe, and India to build proof-of-concepts, validate strategic architecture decisions, and develop modern and scalable solutions. We firmly believe that your success is our success, and we are willing to take a stake in that.
About Altir
Altir is a product engineering company that builds top-notch software products for very select companies across various industries and stages of their lifecycle. We help start-ups to Fortune 500 companies nurture and transform validated ideas into successful products by amalgamating efficient business & technology strategy, development, and engineering capabilities. We are a team of entrepreneurs, engineers, product leaders, and designers who are builders and systems thinkers coming from some of the most iconic technology companies like Microsoft, Accenture, Apple, Google, and Salesforce. We exercise thorough attention to detail at every stage – from product exploration to delivery, integrating technology, automation, and our teams' expertise into the mix. We infuse our prowess from the consumer and enterprise worlds into every client's business. Our customers work with us to be their force multipliers, disrupters and to help them create unfair advantages.
Hailing from some of the world’s most innovative technology companies, we’re a team of seasoned entrepreneurs and makers. We’ve learned what it takes to build paradigm-shifting technology and companies, but we learned it the hard way. That’s why we created Altir - to be disruptive by design. By generating a suite of knowledge resources, category-defining playbooks, and reusable technology components, we’ve productized the launch and scale of transformational companies for maximum impact.
Company Link:
Requirements
*5-10 years of software engineering experience with at least 4 years of experience in react.
*Programming languages (Typescript, JavaScript, Reactjs , redux)
*Creating fluid visual interactions. Developing and implementing mobile user experience patterns.
*Developing and maintaining iOS/Android applications from the requirements to the App Store.
Unit Test (Jest, Mocha), software design patterns and data structures.
*Excellent leadership, stakeholder management and program management skills.
*Successful experience in a properly functioning agile team would be extremely advantageous.
Required
*Design and develop user interface components using React.js This includes creating reusable components and front-end libraries for future use.
*Optimize components for maximum performance across a vast array of web-capable devices and browsers.
*Redux for state management.
*React JS developers should be proficient in modern web development.
*Implement automated testing platforms and unit tests.
*Develop and maintain user interfaces using React.js.
Must have
*Strong understanding of web technologies, including HTML, CSS, and JavaScript
*Experience with code migration and refactoring
*Strong problem-solving skills and ability to troubleshoot technical issues
*Excellent communication skills and ability to work collaboratively with cross-functional teams
*Strong attention to detail and ability to deliver high-quality code
*Ability to work in a fast-paced, dynamic environment
Benefits
*Participation in profit sharing
*Parental leave
*Opportunity to travel and work with our global team
*Flexible PTO and work timings
*Premium health insurance
*Teammate recognition awards
*Company get together, off sites and events
Candidate Skills:
- Excellent interpersonal and communication skills.
- Good hands on experience in React JS
- Strong JavaScript fundamentals
- Knowledge of HTML5/CSS3 is plus.
- Knowledge in Natural Language Processing is plus.
- Knowledge of database technologies like Hadoop / MySQL / SQL / No SQL is a plus.
- Experience consuming RESTful APIs
- Enthusiastic in problems solving and is proactive.
Qualifications:
- MCA/BE/B.Tech
Requirements:
- Practical experience with AngularJS/Angular/ReactJs, etc.
- Practical experience with server side technologies like Django, Ruby on Rails, etc is a plus.
You must be:
- A quick, analytical thinker
- Someone who wants to learn how to write quality code
What you will be doing:
- A lot of heavy JS changes for improving the user experience.
- Help build out the front-end completely once all the information from the backend has been dumped to a template.
Mandate Skill - Angular , Unit Testing
Please note we are looking for immediate joiners
Designation Offered: Engineer CL 2 – I & II (Software Engineer / Lead Engineer)
UI/UX Developer Responsibilities:
• Design, build, and maintain highly reusable Angular, JavaScript, HTML and CSS code.
• Translate user behavior and research into actionable data.
• Design and create mockups and user journeys for a wide range of devices including mobile.
• Rapid development and testing methodology.
• Ability to clearly communicate research and design ideas to rest of the team and upper management.
• Ability to communicate with the backend to display data in the UI
• Ability to handle graph of different types, real time huge data display in the web page
Position Overview
Front-End UI/UX developer with the combined skillset of application design and web programming. Responsibilities will include converting the UI designs to actual code that will produce visual elements of the application. You will be working on the UI/UX technical implementation of the application functionality.
To be successful in this role, you should have very good experience on programming and interaction with the backend. The team develops web application, mobile based application, which need to display graph, data and image in real time. The candidate should able to display huge data in an efficient way.
Experience:
• A minimum of 4 years of relevant experience in a similar role
Qualification:
• Bachelor of Engineering (BTECH / BE) or Masters (MTECH / MS / MCA ) in Computer Science / Electronics / Information Science from reputed institutions
UI/UX Developer Requirements
• Proficiency with Angular, JSP, HTML, and CSS, bootstrap.
• Knowledge of Adobe Photoshop, Illustrator, Sketch or other Graphics designing tool
• Good understanding of client-side scripting and JavaScript frameworks like jquery, Node.js, React.js, Durandal framework.
• Proven work experience as a UI/UX developer or similar role.
• Team spirit, strong communication skills to collaborate with various stakeholders
• Good time-management skills
• Good programming knowledge on design and development of drag and drop activities, graph components and data tables with different options in tables.
Tools
Visual Studio, Adobe Photoshop
Front-end languages:
HTML 5, CSS3, jquery, JavaScript, Angular and bootstrap.
Additional skillset
• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Good knowledge on version control tools SVN (Check-in, check-out, branching-merging policies), automated build and release management tool is a plus.
• Strong communication skills (written, verbal), and interpersonal skills to be able to communicate effectively with all levels of staff and external clients.
• Strong analytical and problem-solving skills.
We are looking for a Front-End Web Developer who is motivated to combine the art of design with the art of programming.
- Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application.
- You will work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.
Responsibilities :
- 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 it to the back-end.
- Collaborate with other team members and stakeholders.
Skills And Qualifications :
- Good understanding of Angular 6+ or React.
- Proficient with JavaScript and jQuery.
- Proficient understanding of web markup, including HTML5, and CSS3.
- Good understanding of server-side CSS pre-processing platforms, such as LESS and SASS.
- Proficient understanding of cross-browser compatibility issues and ways to work around them.
- Proficient understanding of code versioning tools, such as Git and Bitbucket.
- Good understanding of SEO principles and ensuring that application will adhere to them.
- Excellent verbal communication skills.
- Good problem-solving skills.
- Knowledge of software development methodologies like Agile, waterfall, and tools like Jira.
- Design and implementation of the frontend applications and Mobile apps
- “Pixel-perfect” implementation of our approved user interface
- Ability to understand business requirements and translate them into technical requirements
- Break features into simpler granular tasks, estimate effort required, and identify dependencies
- Work with Analyst and back end developers to deliver a seamless user experience
- Write clean, efficient, maintainable code with good test coverage
- Build reusable code and libraries for future use and optimize the application for maximum speed and scalability
- Test and Debug as required
Expected Qualifications and Key Skills
- BSc or B.E in Computer Science / Engineering from a tier-1 college in India or abroad
- Proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Strong understanding of UI/UX, responsive design, cross-browser compatibility, AJAX, and general web standards
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (such as Flux or Redux)
- Familiarity with newer specifications of EcmaScript/TypeScript
- 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.
- Proficiency with Git / Version control
Key aspects of this role:
• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.
• Identifying web-based user interactions.
• Developing and implementing highly-responsive user interface components using React
concepts.
• Writing application interface codes using JavaScript following React.js workflows.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates.
To be the right fit, you'll need:
• Minimum 4+ years relevant experience in application development and React JS.
• Knowledge of React hooks such that use Context, use Reducer, use Effect.
• Knowledge of React props and state management (both functional and class component)
• Strong understanding of Error boundary concept of react.
• Work experience with any react based UI library or Redux is preferable
• Experience in building cross-browser layouts with CSS and HTML
Responsibilities
Ability to work on a cross-functional team within a very agile team, delivering on time and with high quality
Adjusts and defines new processes as they arise due to known and unknown customer/engineering requirements as it relates to frontend web development
Provides feedback on frontend architecture, code organization and CI/CD infrastructure for the team
Staying up to date with the best practices and future frontend development
Provides frontend leadership expertise and mentoring to other developers on not only the team, but the engineering organization as a whole
Takes pride in delivering ground breaking UI to web applications
Working closely with UX designers to turn their ideas into reality as it relates to creating visualizations for next generation cybersecurity
Qualifications
Proficient in developing large REACT Web Applications
Experience with Django applications
Proficient with TypeScript
Experience with Postgres or other relational database(s)
Experience developing REST APIs with authentication and scaling
Familiarity with some ORM (Object Relational Mapper) libraries
Cloud computing architectures (AWS, Azure, Google Cloud)
Experience with Docker a plus
Mandatory experience: 8 + years
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.









