ReactJS Developer

Job ID : 0001

About Us

Suntek.ai is a technology-driven startup delivering AI-powered and e-commerce solutions that help brands build, scale, and optimize their digital presence. We partner with fast-growing businesses to design intelligent, high-performance solutions that drive measurable growth.

About the Role

We are looking for a front-end developer with strong TypeScript skills and a solid understanding of

web fundamentals (JavaScript, HTML, CSS, browser APIs). You will focus on building responsive,

performant, and user-friendly web applications using SvelteKit, collaborating closely with designers

and backend engineers to deliver seamless experiences.

Key Responsibilities

● Build and maintain applications using SvelteKit.

● Write clean, strongly typed TypeScript code with best practices.

● Apply web fundamentals (HTML, CSS, JavaScript, DOM, browser APIs) to deliver responsive and

accessible UIs.

● Integrate REST/GraphQL APIs and manage application state.

● Optimize applications for speed, SEO, and mobile performance.

● Collaborate with designers to implement pixel-perfect UI/UX.

● Debug, test, and ensure cross-browser compatibility.

Requirements

● Strong knowledge of TypeScript and modern JavaScript.

● Solid understanding of HTML5, CSS3, responsive design, and browser behavior.

● Hands-on experience with Svelte.

● Experience with API integration (REST/GraphQL).

● Familiarity with Git and build tools (Vite, Rollup).

● Ability to write scalable, maintainable, and reusable frontend code.

● Strong debugging and problem-solving skills.

Nice to Have

● Experience with testing frameworks (Vitest, Playwright, Cypress).

● Knowledge of performance optimization and web accessibility.

● Familiarity with hosting platforms (Vercel, Netlify, Fly.io).

● Exposure to Node.js or backend development.

Pls fill this form for further interview process:

https://forms.gle/xqaHCrccJ1L6HCDo8

Frontend Architect

Experience: 6+ years

Location: Delhi / Gurgaon

Roles & Responsibilities:

• Design, develop, and maintain scalable applications using React.js and FastAPI/Node.js.
• Write clean, modular, and well-documented code in Python and JavaScript.
• Deploy and manage applications on AWS using ECS, ECR, EKS, S3, and CodePipeline.
• Build and maintain CI/CD pipelines to automate testing, deployment, and monitoring.
• Implement unit, integration, and end-to-end tests using frameworks like Swagger and Pytest.
• Ensure secure coding practices, including authentication and authorization.
• Collaborate with cross-functional teams and mentor junior developers.

Skills Required:

• Strong expertise in React.js and modern frontend development
• Experience with FastAPI and Node.js backend
• Proficient in Python and JavaScript
• Hands-on experience with AWS cloud services and containerization (Docker)
• Knowledge of CI/CD pipelines, automated testing, and secure coding practices
• Excellent problem-solving, communication, and leadership skills

Responsibilities

• Interact closely with design, product, and development teams to create elegant, usable, responsive and interactive interfaces across multiple devices.
• Turning UI/UX designs into prototypes, creating excellent interactions from designs, writing reusable content modules and maintainability of the code.
• Implement UI development principles to ensure that the product client-side serves at scale.
• Review and optimize the app usage by monitoring key metrics and rectifying the issues proactively.
• Review and Optimize application usage, by monitoring key metrics, for maximum speed and scalability
• Mentoring and guiding the team members.
• An ability to perform well in a fast-paced environment and bring in optimal flow for rapidly changing design/ technology.

Requirements

• 5+ years of relevant work experience as a web developer, UI developer, Angular Developer or front-end engineer.
• Sound knowledge in HTML, CSS & JavaScript.
• Familiar with UI layouts, SASS, Bootstrap, and the CSS GRID system
• Proficient with Typescript (Angular 2 & above)
• Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system.
• Passionate to create good design and usability
• A team player with excellent communication skills

• Participate heavily in the brainstorming of UI/UX architecture and feature design
• Interface with external customers and key stakeholders to understand and document design requirements
• Work cross-functionally with Engineering, Data Science, Product, UX, BD, and Infrastructure teams
• Drive best coding practices across the company (i.e. documentation, code reviews, coding standards, etc)
• Perform security, legal, and license reviews of committed code
• Complete projects with little or no supervision from senior leadership

• Must have at least 2+ years experience in front-end web development with the following tools: HTML5, CSS, Webpack, Responsive web design, ReactJS (Components, Router, Redux, Flux, Chart Libraries i.e. Google Charts), Node.js, REST APIs, and other essential features)
• Built and deployed customer-facing services and products at scale
• Developed unit and integration tests
• Solid instruction-level understanding of Object Oriented design, data structures, and software engineering principles

• You have a strong background in natural language processing, statistical modeling, and/or machine learning
• Experience with open source projects in a startup environment
• Experience with large-scale distributed systems that have thousands of microservices and manages millions of transactions per day
• Worked on products where experimentation and data science are core to the development
• Experience with Python and API frameworks (Flask)
• BS, MS or equivalent

Job Description for React Developer ( Senior Role)

Skill : API Integration, Material UI, Redux,React Hooks, React Nagivation, HTML/CSS

Experience - 3+

Location- Vikhroli, Mumbai

Working - 5 days a week

Technical and Professional Requirements:

Highly motivated, a responsible, passionate, self-learner individual with great interpersonal

React developers should have the ability to translate Wireframes and PSD Designs into functional

Knowledge of use-case scenarios of error-boundary, hooks, store/state management solutions

Binding of UI elements to JavaScript object models

Integration of RESTful services with React application

React developer must have proven experience in front-end development

Work in a cross-functional team to deliver a complete user experience

React developers must know application structuring and maintenance of an application

Create Unit and Integration tests to ensure the quality of code

Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at a massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.

As a Front End software engineer, you will work on the ReactJS powered user interface used by Fulfil merchants to manage their back-office operations. This is mission critical software and your primary focus will be on developing user interface components and implementing them following well-known React.js workflows. You will ensure that these components and the overall application are robust and easy to maintain. In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality are important.

What You’ll Do:

• Collaborate with a small yet extraordinarily talented team of engineers to implement front-end technologies
• Develop new user-facing features using React.js and React Native
• Work closely with the Design and Product teams to translate complex technical workflows into delightful user experiences
• Define how Fulfil builds user interfaces and ensure that we’re utilizing and keeping up with modern web standards
• Continually test, measure, and iterate on the results of your work in the spirit of continuous improvement
• Write clean, reusable, and well-tested front-end code
• Help to bridge the responsibilities of the Product and Engineering teams, spending time with both on the way to launching new products
• Architect efficient and reusable front-end abstractions and systems that drive complex web applications
• Create reliable and type-safe applications with Typescript
• Build and contribute to open source projects
• Build reusable components and front-end libraries for future use
• Optimize components for maximum performance across a vast array of web-capable devices and browsers

We’re Looking for Someone With:

• 5+ years of experience as a front end engineer
• Experience in building large-scale web applications in a fast-moving team environment
• A strong understanding of UX and UI design standards
• The perfectionist’s touch on a pragmatist’s deadline: you strive for pixel-perfection and intuitive functionality
• Strong proficiency in JavaScript (2-4 Years of experience), including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles, with experience in popular React.js workflows
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc
• Experience with popular testing frameworks, like Jest, Cypress, and Testing Library.
• The ability to bring any design to life with HTML and CSS, with cross browser compatibility and accessibility
• Smarts, humility, communication skills, and equal willingness to teach and learn
• Familiarity with RESTful and GraphQL APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Experience in developing large client side JavaScript applications
• Familiarity with code versioning tools like GIT
• Experience with Javascript testing tools and test automation

Nice to Haves:

• Prior experience at a growth stage Internet/Software company
• Demonstrated work beyond the front-end, experienced in integrating with a wide array of back-end technologies and services (e.g. experience with Python, AngularJS)
• Experience developing large client-side applications and optimizing them for performance
• You can straddle client and server development, creating APIs that drive web apps
• You understand the intricacies of timezones
• Web optimization, performance tools, and load testing
• You maintain or contribute to an open-source project

If a misaligned shadow bothers you, we already like you 😆

• Master's / Bachelor’s degree in Computer Science, Software Engineering, or Self taught developer.
• 3+ years of experience in fundamentals of web, HTML, CSS and JavaScript.
• Familiarity with JavaScript frameworks such as Vue or React.
• Understanding of product design, user experience and skills to recreate and match high quality pixel perfect designs and can go above and beyond in detailing.
• Has ability to build a ground up resoluble components and in-house UI system that can scale across the product.

A collaborative role with Individual ownership ✅

• Ownership of developing UI related features. Work with with the rest of the engineering team to develop, launch or maintain features.
• Take ownership of design <> dev collaboration and participate in the education of both sides.
• Work closely with design team and become a bridge between engineering and design.
• Maintain code integrity.

We are looking for a 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.

Requirements:

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• 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.
• 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.
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial).

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.

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:

• Familiarity with RESTful APIs
• Familiarity with modern front-end build pipelines and tools
• Experience with popular React.js workflows (such as Flux or Redux)