Sr. React Engineer - Remote

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)

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

Experience • 1-3 years.

Skill to Test

• ReactJS

• JavaScript, jQuery

Primary Skills

• Frontend frameworks (ReactJS and/or Angular)

• Pure JavaScript, jQuery

• Bootstrap, HTML5, CSS, SASS

• CRM Development (Salesforce, Dynamics, ServiceNow)

• Working with third-party APIs

Secondary Skills (nice to have)

• Java EE (Servlets, JSTL, JSP, JDBC)

• Passionate about Implementing UX\UI of web applications

• API Design (REST)

• Understanding of browser technologies and limitations

Soft Skills

• Thrives collaborating in a team environment with a diverse range of people

• Passionate about delivering an amazing customer experience

• Able to have a change of mind, and able to change the minds of others

• Writes clearly and concisely

• Capable of working without a company office, with a fully remote team

Growth Skills

• Possesses a good work ethic; a self-starter with a desire to grow

• Always looking for better ways to get the job done

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:

http://www.altir.co

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

Responsibilities:

Develop and maintain user-facing features for web applications

Collaborate with the design team to implement responsive and visually appealing interfaces

Ensure the technical feasibility of UI/UX designs

Optimize applications for maximum speed and scalability

Stay updated on emerging frontend technologies and industry best practices

Troubleshoot and resolve bugs and performance issues

Work closely with backend developers to integrate frontend components with server-side logic

Participate in code reviews and contribute to a collaborative development environment

Skills:

Proficient in HTML, CSS, and JavaScript

Experience with modern JavaScript frameworks (e.g., React, Angular, or Vue)

Strong understanding of responsive design and cross-browser compatibility

Familiarity with version control systems (e.g., Git)

Knowledge of build tools and package managers (e.g., Webpack, npm)

Ability to translate design mockups and wireframes into code

Excellent problem-solving and debugging skills

Strong communication and collaboration skills

Attention to detail and a passion for delivering high-quality user experiences

Qualifications:

Bachelor's degree in Computer Science, Web Development, or a related field (or equivalent work experience)

Proven experience as a Frontend Developer or similar role

Portfolio showcasing previous frontend projects and development work is a plus

About Us

Rezo.ai is an AI-Powered Contact Center that enables enterprises to enhance customer experience and boost revenue by automating and analyzing customer agent interactions across multiple channels including voice, email, chat/WhatsApp, and social, at the required scale, whilst training agents with minimal costs

How do we do it

Rezo’s AI-Powered contact center leverages groundbreaking technologies in AI, ML, ASR, NLP, RPA, and predictive intelligence to transform customer experience and reduce costs by automating, and analyzing customer-agent conversations across multiple channels including voice, email, chat/Whatsapp, and social media, whilst coaching them. 

Job description

We are looking for a great React/Redux Developer proficient with JavaScript. Developers' primary focus will be on developing user interface components and implementing them following well-known React.js workflows.

Responsibilities

• Responsible for the development of a new highly responsive, web-based user interface
• Construct visualizations that can depict vast amounts of data.
• Work and collaborate with the rest of the development team
• Work with the product team, backend team and server teams.
• Learn and understand user interactions and develop a flexible and well-structured front-end architecture, along with the APIs to support it.
• Developing new user-facing features using React and Redux
• 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
• Good time-management, interpersonal and communication skills.
• A natural inclination toward solving complex problems, Impulse to learn and master new technologies and curiosity to find new and unusual ways of how to solve various technical issues.

Desired Qualifications and Key Skills

• Bachelor’s degree in computer science, software/computer engineering or an equivalent degree from Tier 1 College is a Plus
• Prior Experience with a Product Based Company is a Plus.
• Should have 3+ years of hands-on experience in configuration, coding, testing and deploying web-based applications in React
• Working in an agile environment with agile methodologies is a must and having Git knowledge is an advantage.
• Should be able to work with designers to transform wireframes into Screens.
• Should be able to integrate screens to business logic and architect database schema to ensure complete design.

Cultural fitment 

Work at the heart of AI and customer engagement.

If you are fascinated by AI and looking to work with the latest AI technologies, in a fast growing and flexible work environment with immense growth opportunities, come and join us.

Rezo is the place to be if you want to work in an atmosphere where you can do meaningful research, contribute to the platform, and grow fast.

Culture/Values

We believe that allowing employees to pursue their interests and challenge the existing quo only helps to make Rezo a successful workplace. To that end, we are committed to assisting our employees in enhancing the skills that are vital to their professional growth.

FOCUS, INTEGRITY, TEAMWORK, PASSION, INNOVATION

Why Us?

We are a fast-paced start-up with some of the best talents from diverse backgrounds. Working together to solve customer service problems. We believe a diverse workforce is a powerful multiplier of innovation and growth, which is key to providing our clients with the best possible service and our employees with the best possible career. Diversity makes us smarter, more competitive, and more innovative.

Visit our website: https://rezo.ai/">https://rezo.ai/ for more information

About Incresco:

At Incresco, we help startups and enterprises to build their MVP and for their digital transformation.

Job Description/ Responsibilities:

We are looking for a frontend developer who is well-versed in React /React Native/Next.js. You will be responsible for developing a web or mobile application. You will be joining a talented, collaborative team that is very passionate about solving this massive problem. 

Below is a list of several skills required to deliver on responsibilities for this role:

1. 0-2 years of experience in React /Next.js/ React native development
2. Should be able to write reusable, testable, and efficient code. 
3. You should be able to build pixel-perfect, amazingly smooth UIs across both web and mobile platforms. Experience In building design system is an added advantage
4. Diagnose and fix bugs and performance bottlenecks for performance that feels native.
5. Reach out to the open-source community to encourage and help implement mission-critical software fixes
6. Maintain code and write automated tests to ensure the product is of the highest quality.
7. Firm grasp of the JavaScript language and its nuances, including ES6+ syntax.
8. Rock-solid at working with third-party dependencies and debugging dependency conflicts.
9. Good to know GraphQL, Firebase, and offline storage

Benefits:
1. Competitive pay.
2. Macbooks
3. Continuous learning and solving real challenges across the globe

Immediate joiners are preferred.

Location: Bangalore

PRIMARY RESPONSIBILITIES :-

• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Knowledge of Angular and its components.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience with user interface design.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.
• Good project management skills.

SECONDARY RESPONSIBILITIES :-

• Ability to work independently and take ownership of the project.
• Should be capable to work in a team.
• Must have strong communication skills.
• Should be enthusiasts and able to take challenge.

Responsibilities:

• Understand the requirement and purpose of implementation.
• Implement modules with individual products and come up with impact and own ideas and solutions.
• Troubleshooting issues across environments.
• Responsible for monitoring, highlighting and troubleshooting issues across environments.
• Responsible for design and develop the components as per the requirement.
• Technical documentation, design and development using tools and technologies like HTML5, JAVA and Angular JS etc.
• Complete the build of code on time and as per application coding standards, and perform unit testing.

Requirements:

• Strong Expertise and experience in HTML5, charting libraries, JavaScript, jQuery, Angular(2+) or ReactJS

• Strong hands-on experience in Web services (REST)
• Proficient knowledge in D3.JS
• Good understanding of user interactions
• At least involved in one live project on D3.JS
• Handson on Visualisations

• Knowledge in Nodejs
• Knowledge in React JS / Angular 2+
• Good understanding of cloud computing platforms and its services
• Experience in UI, UX, data visualisations, usability, design aspects and user stories