


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

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- Ability to translate Wireframes and PSD Designs into functional web apps using HTML5, AngularJS, React , Node.js, and Mongo
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- Fluent knowledge of latest HTML/CSS standards and best practices
- Working knowledge of JavaScript and AngularJS
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Work Location: Bangalore
Work Days: Sunday through Thursday
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Week Off: Friday & Saturday
Responsibilities
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- Build reusable code and libraries for future use
- Ensure the technical feasibility of UI designs
- Optimize application for maximum speed and scalability
- Assure that all user input is validated before submitting to back-end
- Collaborate with other team members and stakeholders
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- Proficient in web markup, including HTML5, CSS3
- Good understanding of server-side CSS pre-processing platforms, such as LESS and SASS and experience in building/using REST APIs
- Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
- Good understanding of asynchronous request handling and partial page updates.
- Good understanding of SEO principles and ensuring that the application will adhere to them.

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- Coding and debugging pure JavaScript, polyglot and multi-lingual applications.
- Working closely with Technical Lead/Project Manager to ensure development timelines are met.
- Contribute with ideas to improve system design or streamline product delivery.
- Working with challenging applications involving Real Time Data.
- Working on different platforms including the usage of the Native SDKs provided on JavaScript.
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- Strong experience in developing applications using Javascript and Jquery.
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- Create different types of Charts and Graphics with the help of HTML5 Canvas, SVG etc.
- Should possess understanding of UI design and its behavior across devices (desktops to smart phones).
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- Bachelor’s/Master’s degree in Engineering with 3+ years experience.
- Strong knowledge in HTML5, CSS, SASS/Bootstrap, OOP JavaScript, JQuery & AJAX are preferred.
- Strong knowledge in developing responsive web app, designing models (JSON) and (Server communication (REST APIs) are preferred.
- Strong knowledge in modern Frontend frameworks & libraries like Angular, Redux + React are preferred.
- Strong Knowledge in HTML templates and modern templating technologies are preferred.
- Strong knowledge in modern libraries like React is preferred.
- Knowledge of NodeJS, NPM packages is a huge plus.
- Knowledge of Gulp, Bower is a plus.
- Knowledge of ExpressJS is desirable.
- Knowledge of Docker is desirable.
- Basic Knowledge of relational DBMS and SQL




