Senior Front End Engineer (React.js & React Native - Mobile Experience)
Job description
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 & React Native (Mobile Experience) 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 (such as Flux or Redux) & React Native (Mobile Experience). 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 & React Native (Mobile Experience)
- 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
- 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
Requirements
We’re Looking for Someone With:
- 5+ years of experience as an 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 & React Native (Mobile Experience) and its core principles, with experience in popular React.js workflows (such as Flux or Redux)
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc
- 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

Similar jobs
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)
VMultiply Solutions
We are looking for a Frontend Developer who would be working on the bleeding edge of technologies. We work primarily with React, Typescript and Redux.
Responsibilities:
- Understand why a particular design was chosen and code accordingly.
- Will have to deliver clean bug-free unit-tested code with minimal guidance.
- Strive for continuous improvement by refactoring and applying best practices.
- Learn and adapt to new technologies as necessary.
Requirements:
- Must be proficient in React, Redux, Redux Toolkit and Typescript.
- Used Typescript for React Components.
- Unit Testing, Component Testing, and Custom React hook tests with React Testing Library.
- Integration Tests with Cypress.
- Data Fetching libraries like Axios, React Query, RTK Query etc.
- Should have maintained React Components with Storybook.
- Experience contributing to open-source software will be preferred.
- Used various CSS stylings methods like CSS Modules, LESS, SCSS, Tailwind, Styled Components, Emotion etc.
- Should understand Git.
- Ability to work in a fast-paced and dynamic work environment.
- Exceptional interpersonal skills and demonstrated leadership abilities.
Job description
Overview
The infrastructure for regulation-compliant AI. Train and deploy generative AI for the large enterprise.It is the most private solution for enterprise AI. Achieve best-in-class and compliant AI at the fraction of the time and cost. It is an enterprise AI platform that provides state-of-the-art and regulatory-compliant AI for a fraction of the cost. It simplifies model training across privacy-critical datasets using Federated Learning and Differential Privacy.
Ø Roles & Responsibilities:-
Strong proficiency in JavaScript.
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 Ecma Script.
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.
Develop reusable components and front-end libraries for future use.
Optimize components for maximum performance across a vast array of web-capable devices and browsers.
Collaborate with other team members and stakeholders. Utilize Redux for state management.
In this role, you will be responsible for developing and implementing user interface components using React. js concepts and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.
· Skills: HTML and CSS. HTML and CSS are key abilities to consider. ...
· Fundamentals of JavaScript. JavaScript is the most important skill for developers to have. ...
· JavaScript ES6. ...
· JSX (JavaScript XML) ...
· Variables and Scoping. ...
· Git. ...
· DOM and Event Handling Facility.
Location-Bangalore/Remote
P.S-Only IIT, atlassian,google,slack,zoom,e-commerce,internet & product based startup companies
- Previous experience working as a node.js developer.
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
- Knowledge of front-end technologies such as HTML5 and CSS3.
- Superb interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
- Great organizational and time management skills.
- Availability to resolve urgent web application issues outside of business hours.
- Proven work experience as a Front-end developer
- Hands on experience with markup languages
- Experience with JavaScript, CSS and jQuery
- Familiarity with browser testing and debugging
- In-depth understanding of the entire web development process (design, development and deployment)
- Understanding of layout aesthetics
- Knowledge of SEO principles
- Familiarity with software like Adobe Suite, Photoshop and content management systems
- An ability to perform well in a fast-paced environment
- Excellent analytical and multitasking skills
- BSc degree in Computer Science or relevant field
Urgent Hiring Alert
Greetings From INFOX Technologies,
We are seeking a full time/Part time , React.JS Developer to join our team at INFOX Technologies.
Prefers Candidates Residing Kerala
Qualification: BCA,BSC,BTECH
Experience: min 1 Year
Interested candidates can share your resume..
We are now looking to onboard an exceptional Frontend Developer on our team. They will be an integral part of our technology function and work on challenging, cutting-edge problems, and contribute to the solution design and development for various software systems and subsystems. They will develop new and interesting products for our B2B users and will work with the best minds in the industry.
Please apply, if you have:
- 2-4 years of work experience, preferably in a startup
- An engineering degree preferably, from a top-tier school (or equivalent experience)
- Hands-on experience in the JavaScript ecosystem, libraries, and tooling (ES6/7), React.js, and Redux
- Knowledge of React Hooks is an added advantage.
- Expert knowwledge of HTML/CSS, web standards, best practices
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- An experience of writing clean, well documented, semantic code with responsiveness and cross-browser compatibility in mind
- Ability to improvise, troubleshoot, and learn new skills on the job.
- Proficient understanding of code versioning tools, such as Git/SVN
- Excellent coding and debugging skills
- A passion and the ability to make beautiful, smooth, delightful web experiences
- A "Will Do" attitude
- A team of aces, from top-tier schools and startups, to work with
- A fast-paced, data-driven, and fun work environment
- A huge appetite for new, disruptive, creative, and implementable ideas
- An open work culture
- Competitive salary
- Great working environment, opportunity to work directly with the founders on very exciting real-life problems.
- Opportunity to grow really fast.
- Opportunity to hire a team & mentor them in the future.
- ESOPs
Hiring process:
- Shortlist
- Intro call of 15min
- Assignment
- 1-2 Tech rounds
- HR round
- Offer rollout
• Individual should come from a structured development environment and possess a good
understanding of development processes (SDLC) and practices.
• Proficiency with front-end development (HTML 5, CSS and Angular)
• Experience running remote apps in the cloud.
• Programming proficiencies: Windows, Linux, jQuery, Angular, Node.js, MongoDB.
• DevOps activity including software releases to production, monitoring, and reacting to
(investigating/resolving) issues.
• Strong experience developing complex, scalable enterprise software applications.
• Must understand domain complexity and criticality of delivery on time with consistency.
Front End Angular
Location – Gurgaon
• Good exposure on writing Functional/Technical Design Document.
• Excellent communication, presentation, and interpersonal skills and the ability to work in
a team
• Good to have: React JS/ React Native
PREFERRED
• Four Year college degree with Preferred major in Computer Science / Engineering /
Mathematics.
• The individual must exhibit a great deal of personal initiative and accountability.
• Good interpersonal skills with the ability to facilitate or contribute thought leadership.
• Proficiency in data science and analytics.
• Knack for front-end design, proficiency in Photoshop.
• Familiarity with Amazon Web Services (ELB, EC2, S3, etc.)
• Experience working in a fast-paced environment, such as a growing company or agency.








