
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

About Fulfil.IO
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Ideal Candidate
8+ years of experience in front-end development, with at least 3–5 years in technical/architectural leadership roles across web and mobile platforms.
Expert in React.js and React Native, with hands-on experience designing and building scalable, modular applications using modern front-end frameworks and reusable component libraries.
Strong geospatial capabilities—proven experience integrating and optimizing mapping solutions (e.g., Google Maps, HERE Maps) with features like routing, clustering, and overlays.
Mobile-first mindset, with deep knowledge of responsive UI design, performance optimization for low-bandwidth environments, and cross-platform compatibility.
Architectural expertise in modular design, micro-frontends, SSR/SSG, PWAs, and cross-platform solutions—ideally with experience in monorepo environments and BFF patterns.
Technical leadership skills, including mentoring developers, enforcing best practices, driving autonomous development, and aligning technical solutions with business needs.
CI/CD & DevOps familiarity—strong understanding of build tools (Webpack, Vite, Metro), containerization (Docker), and deployment automation using Jenkins, GitLab CI, etc.
Security, accessibility, and testing focus—capable of implementing WCAG-compliant UIs, secure data handling, and robust test strategies using tools like Jest, Cypress, Detox, and Appium
Required Skills and Experience:
- 5 - 11 years of experience in front-end development, with a strong focus on React.js.
- Proven experience with React.js and related technologies (e.g., Redux, React Router, Hooks, Context API).
- Strong proficiency in JavaScript, HTML5, CSS3, and modern front-end build tools (e.g., Webpack, Babel, etc.).
- Hands-on experience with RESTful APIs, Server Sent Events, WebSocket's
- Hand’s on experience with web components, micro frontends
- Deep understanding of browser apis like history, intersection observer, event handling, virtual panes, drag and drop etc
- Ability to work on a complex and fast moving code base.
- Familiarity with TypeScript and its integration with React applications.
- Strong problem-solving skills and attention to detail.
Front end Developer : (Group Manager )
Job Description
Join our product development team to develop our web applications
You are a creative web programmer that will focus on the front-end development and design, but also assist as needed with back-end development if needed.
Design, production, modification, and maintenance of web application’s user interface
Assist with the development and implementation of new features
Work with back-end developers to implement front-end and user interface requirements
Work with team on designing new interfaces to programs
Thoroughly document design and implemented code
Qualifications
- B.E. or B. Tech or MCA
- 5 to 8+ years of overall experience
5 years of frontend web application development
Proficient understanding of web markup, including HTML5, CSS3
Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery. Strong understanding of JavaScript
Good working experience of any of advanced JavaScript libraries and frameworks such as AngularJS, KnockoutJS, BackboneJS, ReactJS
Good understanding of asynchronous request handling, partial page updates, and AJAX
Proficient understanding of code versioning tools GIT/SVN
Good understanding of browser rendering behavior and performance
Good knowledge of charting any frameworks like Highcharts, Highmaps or D3JS
Working with and leveraging cloud PaaS components for front end delivery
Experience in any server-side programming is a plus
Familiarity with Visio, Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image is a plus.
Job Description:
We are looking for a React JS or React Native Developer to join our team.
In this role, you will be entrusted with developing JavaScript applications using React.js or React Native.
Apply now for the role of a React.js or React Native Developer at Codebuddy, which is opening doors for skilled, energetic developers looking for MERN Stack Developer Jobs.
If you can help us design and create multiple layers of applications while working cross-functionally across different infrastructures. You would fit perfectly if you love problem-solving, design, and creating quality offerings.
Responsibilities:
- Developing existing programs by analyzing user requirements and identifying areas for modification by R&D followed by coding.
- Develop UI in HTML, CSS, and JS and integration with the backend using REST API.
- Translate storyboards and various use cases to create high-performing apps.
- Write, execute, and maintain clean, reusable, and scalable code.
- Integrate our various data storage solutions.
- Ensure responsiveness and boost the performance of our apps.
- Find and address the various bottlenecks and bug-fixes.
- Work on JavaScript/Typescript using React Native/React, Redux & Node.js.
- Help in code automatization.
What You Need To Apply(Technical Competency):
- Good knowledge of JavaScript, React, API.
- Knowledge of JavaScript Stack / Framework.
- Knowledge of Object-Oriented Programming
- Ability to document their code.
- Understanding accessibility and security compliance.
- Good knowledge of GIT
- Ability to multitask and work in a fast-paced environment.
- Self-motivated with the ability to work independently or jointly in a self-directed way.
- Demonstrated successful development of web or mobile-based applications
- Proven analytical and problem-solving capabilities
- Keen attention to detail
- Strong work ethic and desire to build industry-leading products
- Proactive instead of reactive
- Looking for ways to improve self and projects.
Interpersonal skills:
- Must be comfortable working in a team and independently when required.
- Must be disciplined, proactive and self-motivated.
- Needs to have problem-solving and analytical skills.
If you have it all in you, we are happy to have you with us!
1. Lead the development of frontend architecture and implement scalable, maintainable, and
high-performance web applications.
2. Conduct code reviews and provide constructive feedback to team members to ensure adherence to best
practices and coding standards.
3. Mentor and guide junior frontend developers, fostering a culture of continuous learning and
improvement.
4. Stay up-to-date with the latest frontend technologies, frameworks, and industry trends, and integrate new
solutions as appropriate.
5. Coordinate with the project management team to ensure the timely delivery of high-quality frontend
components and features.
6. Contribute to the development of reusable components, tools, and libraries to improve team productivity
and code maintainability.
We are seeking a talented and experienced Frontend Developer to join our on-site team full time. As a Frontend Developer, you will be responsible for developing user-friendly, responsive and high-performance web applications.
Responsibilities:
- Develop responsive and user-friendly web applications.
- Collaborate with designers and other developers to implement visual designs and user interface elements.
- Optimize web applications for maximum speed and scalability.
- Write clean, maintainable and reusable code.
- Participate in code reviews and ensure code quality.
- Troubleshoot and debug issues as they arise.
- Stay up-to-date with emerging trends and technologies in frontend development.
Requirements:
- 1 year of experience as a Frontend Developer.
- Proficient in HTML, CSS, and JavaScript.
- Familiarity with modern frontend frameworks like React, Nextjs.
- Experience with CSS preprocessors like Sass or LESS.
- Knowledge of responsive web design and cross-browser compatibility.
- Understanding of version control systems like Git.
- Ability to work in a collaborative environment.
- Excellent problem-solving and analytical skills.
If you are a self-starter who is passionate about frontend development and looking for a challenging opportunity, please apply with your resume and a cover letter explaining your experience and why you are the best fit for this role. This is an on-site, full-time position.
Overview:
We are looking for a Mid Frontend Engineer to join our fast-paced startup. As a part of our team, you will be responsible for developing and maintaining our front-end web applications. You will have the opportunity to work with a small, dynamic team and have a direct impact on the success of our product.
Responsibilities:
• Develop web applications using HTML, CSS, and JavaScript
• Write reusable, testable, and efficient code
• Design and build user interfaces
• Work with various stakeholders to ensure the product meets the requirements
• Ensure cross-browser compatibility
• Perform code reviews
• Troubleshoot and debug applications
• Stay up-to-date on emerging technologies
Requirements:
• 3+ years of experience in web development
• Expert knowledge of HTML, CSS, and JavaScript
• Experience with React, Angular, or Vue
• Strong problem-solving and debugging skills
• Ability to work in a fast-paced environment
• Excellent communication skills
This is a contract-based position and all contracts will be made by an Indian partner company.
Description of Skills/abilities:
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 those with well-known React.js workflows such as 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 a must.
You will be responsible for architecting and building the applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.
Responsibilities
- Developing new user-facing features using React.js, React hooks.
- 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 all browsers.
- Build pixel-perfect, buttery smooth UIs across all web browsers.
- Diagnose, fix bugs, maintain code and write automated tests to ensure the product is of the highest quality.
- Key understanding about Object Oriented Programming, Web Architecture, SDLC, Rest Framework.
- Should have understanding in Hybrid App Ecosystem, Code Once - Deploy Anywhere thought process.
- Responsible for development of new highly-responsive, web-based user interface.
- Construct visualizations that are able to depict vast amounts of data.
- Work with product team and graphic designers.
- Develop a flexible and well-structured front-end architecture, along with the APIs to support it React.js developer requirements and qualifications.
- Support the entire application lifecycle (concept, design, test, release and support). Produce fully functional web, mobile applications writing clean code.
Skills
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
- Thorough understanding of React.js and its core principles.
- Having Experience with popular React.js workflows such as Redux.
- Familiarity with newer specifications of Typescript.
- Having 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.
- Familiarity with code versioning tools such as Git, SVN.
- Knowledge of functional or object-oriented programming.
- Ability to write well-documented, clean typescript code.
- Rock solid at working with third-party dependencies and debugging dependency conflicts.
- Understanding of REST APIs, the document request model, and offline storage.
Skill Set:
React, React Hooks, Redux, and Typescript with minimum of 6+ Years of relevant Experience.
"Are you looking to build products that can change the world and help us reach our target of improving 1 billion lives?"
**RESPONSIBILITIES**
To ensure that projects are delivered efficiently using the best fit-for-purpose technology with sufficient quality standards. To inform technical decision making at Curve.
**ESSENTIAL EXPERIENCE**
* 3+ years experience with either React JS, React Native or Angular4+
* Good working understanding and experience with mobile app development best practices
* Write well designed, testable, efficient code by using the best software development practices
* Knowledge of Test Driven Development (Unit Testing)
* Knowledge of Behaviour Driven Development (UI Testing)
* Experience using unit testing frameworks
* Experience using E2E test frameworks and runners
* Continuous Integration (e.g. CircleCI, Travis)
**ESSENTIAL QUALITIES**
Strongly aligned values with Curve values (below)
* Good Communicator
* Not afraid of solving problems using multiple development stacks
* Proactive thinking with a ‘can do’ attitude
* Strong problem solving skills, using root cause analysis to find issues and identifying potential solutions
* Should be able to research and understand undocumented application codebases
* A love of learning
* Team player
* High level of Emotional Intelligence
**DESIRABLE EXPERIENCE**:
* Ionic experience
* Mobile development (iOS or Android) experience or exposure
* Good working understanding and experience with CSS and popular CSS preprocessors (SASS / LESS)
* Heroku / AWS or similar infrastructure exposure or experience
* iOS Appstore / Android Play store experience
* Working with remote teams
* Token based authentication (e.g. JWT)
**ABOUT CURVE**
Curve is an award winning global digital health company that creates products that directly improve lives.
**Company Purpose**: To positively impact 1 billion lives by solving challenging health problems.
**Curve Values**
* Improve myself, each other & our partners
* Solve problems that improve people’s lives
* Everyone leads
* Become comfortable with being uncomfortable
* Only create products that people love
* An amazingly genuine, engaging and friendly culture.
* Flexible working hours.
* Glass Door Rating of 5











