React.js Developer

Job Responsibilities

• Develop and maintain reusable components and front-end libraries for future use.
• Translate designs and wireframes into high-quality, responsive UI components.
• Optimize components for maximum performance across different browsers and devices.
• Implement ReactJS best practices using Hooks, HOCs, and Functional Components.
• Manage state efficiently using Redux/Flux.
• Collaborate with backend developers to integrate REST APIs.
• Debug and test applications using Mocha & Jest.
• Ensure code quality, maintainability, and scalability using modern front-end tools.

Required Skills & Qualifications

✔ 3+ years of experience in ReactJS development.

✔ Strong knowledge of JavaScript, DOM, JSX.

✔ Hands-on experience with React Hooks, HOCs, and Functional Components.

✔ Expertise in ES6+ concepts (Arrow functions, Destructuring, Spread/Rest operators, Classes, Import/Export).

✔ Experience in HTML, CSS, and responsive design.

✔ Familiarity with REST APIs and integrating backend services.

✔ Experience with state management (Redux/Flux).

✔ Strong debugging skills using Mocha & Jest for performance testing.

✔ Hands-on experience with Git, Webpack, Babel, NPM.

Good to Have:

➕ Experience with backend development (Java, Microservices).

➕ Knowledge of modern authentication mechanisms (JWT, OAuth).

• Proficient in client & server-side JavaScript, HTML5, CSS3 and webpack
• Competent in building single page web applications using Node.js and React Js
• Redux for state management
• Universal rendering (Client-side rendering and Server-side rendering)
• Experience with cross-browser, cross-platform, and design constraints on the web
• Experience in developing automated unit and functional tests
• Experience in an agile development process
• Solid knowledge of algorithms and design patterns
• Have a passion for quality and writing clean, readable code that scales and performs well
• Good interpersonal communication skills
• 1+ years of software design and web application development
  
  

  Culture

  - Fast-paced, intellectually stimulating, steep learning, and growth

  - Close-knit, hardworking, supportive colleagues

  - Challenging work

  - Flat organization with no hierarchy

  - If you like problem solving, and love latest technology, there are very few better places

  
  
  

  How we are different 
   -We are young and dynamic team who are obsessed with solving business problem at scale -We are a technology agnostic company who focus more on finding the optimal solution to business problem rather than technology
  
   Why to join us
   -We provide huge learning curve. Spending 1.5-2 years with us will put you 3 years ahead in the career
  -We work only on cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, ELM
  -There are two technology Co-founder in the company who are pretty much hands-on and have earlier bult the Consumer application which is downloaded millions of time and are in leadership position in copanies like Samsung, Purplle, Loylty Rewardz
  -Get mentored by the best in the industry
  -Flexible working hours
  -Perks best in the industry

• Good understanding and experience of HTML / CSS / Javascript / Webpack / Bootstrap.
• Hands-on experience with ES6 / ES7 / ES8 features.
• Expertise with Web Services / REST APIs.
• Proficiency in Linux and deployment on Linux.
• Familiarity with Redux Thunk / Redux Saga will be an added advantage.
• Skillful experience in Node JS / Express / MongoDB will be a plus.
• Understanding of mobile cross-platform frameworks like React Native.
• Knowledge of AWS services like S3, EC2 would be valuable.

What you’ll do 💯

• Work closely with recruiters/hiring managers to understand customer pain points and opportunities for features and improvements

• Developing the exact pixel-perfect & Responsive UI from the designs provided
• Lead or participate in design reviews, code reviews and architecture evolution discussions. quality & performance goals

  development efficiency.
  
  

• At least 2 Years of relevant work experience in React JS
• Experience in developing responsive Web Applications Development and reusable UI elements

• Architect and develop scalable and maintainable applications
• Expert Programming experience in HTML, CSS, JavaScript and React JS with the expertise to fuse these with modern web development practices

This person MUST have: 

- BE Computer Science, MCA or equivalent 

- Extreme CSS skills 

- Experience with ReactJS or NextJS is a MUST 

- Strong communication skills 

- A strong passion for writing simple, clean and efficient code. 

- Sound knowledge of clean code, no unused code, optimized code and more. - Always starting with a document and then implementing in a systematic and organized manner 

- Past experience as a frontend developer building modern JavaScript-based web applications - Excellent verbal and written communication, teamwork, decision making and influencing skills. 

Experience: 

- Min 3 year experience 

- Not more than 15 year experience. 

- Startup experience is a must. 

Location 

- Remotely, anywhere in India

Timings: 

- 40 hours a week but with 4 hours a day overlapping with client timezone. Typically clients are in California PST Timezone. 

Position: 

- Full time/Direct 

- We have great benefits such as PF, medical insurance, 12 annual company holidays, 12 PTO leaves per year, annual increments, Diwali bonus, spot bonuses and other incentives etc. 

- We dont believe in locking in people with large notice periods. You will stay here because you love the company. We have only a 15 days notice period. 

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

DISPRZ is looking for a Software Engineer who will deliver individually on features / enhancements under our products, as laid out as per the company’s product delivery roadmap and own responsibility for their technical integrity, scalability and trouble-free deployment to the customer.

• Build and ship reliable software practicing robust software design and in-depth code reviews.
• Build efficient, clean and reusable features / libraries / components
• Collaborate with our design and product teams on defining and delivering new features to ensure a great experience for our users.
• Analyse and optimize existing UI and Server-side code for security, efficiency and performance.
• Be a voice in ensuring the team stays true to the technical vision.
• Write clean, scalable code in Web-based programming languages and/or .NET
• Write SQL Stored Procedures
• Test and deploy applications and systems
• Collaborate with technical lead to produce software design and architecture
• Translate designs and style guides provided by the UI/UX team into functional user interfaces, while ensuring cross-browser compatibility and performance. 
• Unit-test the code across platforms and browsers, to ensure functional consistency of delivered output. 

• Engineering / MCA degree from a top school with an excellent academic record
• Object oriented programming knowledge is a must.
• High level of Proficiency in Web-based technologies – JavaScript, HTML/CSS
• Knowledge of any one JS framework like Reactjs, Angular, or the like, is a plus
• Formal knowledge in below areas will be an added advantage
  • NET MVC
  • Entity Framework Core/LINQ.
  • Bootstrap framework
  • SQL Databases

• Minimum 5 years’ experience in front-end development of software products using Web-based technologies
• Experience doing Full-stack development is a great plus

• Excellent planning, organizational, and prioritization skills
• Excellent analytical, troubleshooting and communication skills
• Ability to work under pressure and meet deadlines
• Ability to think ahead and anticipate problems, issues and solutions
• Work well as a team player and help the team members to resolve issues
• Be committed to quality and be structured in approach
• Excellent and demonstrable concept formulation, logical and analytical skills
• Create intuitive interfaces with great functionality in a timely manner.
• Be passionate about writing neat and clean code. 
• Document the work and communicate any issues as and when they arise. 
• Assist in troubleshooting any production issues.

Chennai / Mumbai

• You will be part of a growing high functional team, responsible for delivering various frontend products to the end-users. Simplifying complex workflow and make it easy for the end-users.
• The team designs and develops various products from - financial apps targeted to invoice users, data-heavy app oriented to operational and support teams, a productivity app for sales teams,
• SDK that will be integrated into third-party apps, etc.
• You will work with business, product, and backend teams to work on new features and products.
• You are expected to drive the products to maximize its business impact and customer delight.
• You are expected to stay on top of tech innovations in the Web development space, experiment them and make suitable suggestions to enhance tech stack. Research and propose software programs that are compatible with future technologies.

• Design and implement Single Page Applications (SPAs) using modern JavaScript frameworks
• Integrating data from various back-end services
• Develop a simple-to-use user interface for a complex product, apply new technologies, best design practices and usability patterns
• Contribute to end-to-end system architecture, working with/as cross-functional teams
• Collaborate with UX teams, product managers and other technical teams to create optimized and delightful user experiences
• Apply expertise of HTML5, bootstrap/foundation CSS frameworks
• Analyze the performance of layers in the frontend, backend and engineer designs/code to solve them
• Work with the product team to build flow and detail out the requirements
• Conversant with development for desktop and mobile browsers and hybrid apps.

• Proven working experience in web programming
• Top-notch programming skills and in-depth knowledge of modern HTML/CSS
• Solid understanding of how web applications work including security, session management, and best development practices
• Working with respectable size Single Page Application (SPA) project
• Expert in MVC like design patterns, modern JavaScript frameworks
• Hands-on experience with network diagnostics, network analytics tools
• Solid CS, OOP/OOD, design patterns
• Good grasp on usability and interaction design
• Track record in large-scale system software development
• Aggressive problem diagnosis and creative problem-solving skills
• Ability to work and thrive in a fast-paced environment, learn rapidly and master diverse web technologies and techniques

• Any framework - ReactJS, AngularJS, Backbone, Ember, VueJS
• DOM and Virtual DOM understanding
• API Integration. Understanding of session management. 

• Experience with server-side processing such as templating, packaging and delivery
• Some end-to-end system design experience, sensitive to security
• Experience working with webviews on Android and iOS
• Exposure to React Native
• Demonstrated visual design and layout skills
• Design and development of backend REST endpoint applications