React.js Developer

Job Title: Senior React.js Developer

Experience: 5+ Years

Location: Pune

Employment Type: Full-Time

Job Summary:

We are looking for a skilled React.js Developer with 5+ years of experience to join our team. You’ll build scalable, high-performance web and mobile applications, work closely with designers and backend developers, and ensure responsive and user-friendly UI/UX across platforms.

Key Responsibilities:

• Develop dynamic, reusable components using React.js, JavaScript, HTML5, and CSS3
• Integrate wireframes and UI/UX designs into functional front-end interfaces
• Ensure cross-browser/platform compatibility and responsive design
• Optimize apps for speed and scalability
• Implement and maintain unit and E2E tests (Jest, Playwright, Puppeteer)
• Integrate with RESTful APIs and backend services
• Maintain code quality and performance standards
• Collaborate with designers, product managers, and backend engineers
• Mentor junior developers and contribute to best practices

Required Skills:

• 5+ years in front-end/UI development
• Strong in React.js, JavaScript (ES6+), HTML5, CSS3
• Experience with Redux, SASS/LESS, REST APIs
• Familiarity with performance optimization tools
• Solid understanding of UI/UX design principles
• Excellent communication and team collaboration skills
• Bachelor’s degree in Computer Science or related field

Frontend Developer (React + Expo) — Job Description

Experience: 6–12 Years

Type: Full-time

About the Role

We're looking for a talented Frontend Developer with React and Expo experience to join our product team. You'll own the frontend across web and mobile, crafting intuitive interfaces and seamless user experiences using a shared React codebase.

Key Responsibilities

• Build and maintain responsive web interfaces using React.js
• Develop cross-platform mobile experiences using React Native with Expo
• Translate Figma/design mockups into pixel-perfect, accessible UI components
• Manage application state using Redux, Zustand, or Context API
• Integrate REST APIs and GraphQL endpoints
• Ensure consistent performance and UX across browsers, iOS, and Android
• Participate in code reviews, sprint planning, and design discussions

Required Skills

• 6–12 years of frontend development experience
• Strong proficiency in React.js and React Native
• Hands-on experience with Expo (managed or bare workflow)
• Solid command of JavaScript / TypeScript
• Experience with CSS-in-JS, Tailwind CSS, or styled-components
• Familiarity with React Navigation or Expo Router
• Understanding of responsive design and mobile-first principles
• Experience consuming REST APIs

Nice to Have

• Experience with Next.js for web
• Knowledge of EAS Build and OTA updates
• Familiarity with animation libraries (Reanimated, Framer Motion)
• Basic understanding of CI/CD and app store deployments

What We Offer

• Competitive salary and equity
• Flexible remote-first work culture
• Learning & development budget
• Collaborative, low-ego team environment

💥 What will you do?

As a Lead Frontend Engineer, you will

• Own our frontend engineering applications for two products each of which run as independent applications which query our backend systems via REST APIs

• Act as a leader and coach within the front-end engineering team, collaborating with and mentoring senior engineers.

• Collaborate on a daily basis with a small, nimble team of product managers, engineers, and UX designers to understand business requirements and user experience goals and pain points.
• Write and review modular, reusable components and features (React.js / Vue.js) and integrate backend APIs to create a seamless front-end user experience
• Integrate third-party plugins to enhance customer experience. These include 3rd party plugins which provide customer support and analytics plugins that help improve the user experience we provide to customers.
• Actively participate in code reviews
• Work with our quality assurance team to improve coverage on our automated testing suites

🙋 What are we looking for? 

While we do not have a strict list of requirements for candidates interested in this role, some indicators that you would fit this role and our engineering culture are 

• Prior experience of a few years (3+ years) with frontend frameworks as React.js or Vue.js would be essential to work on our application stack.

• You actively promote a culture of engineering excellence some of which could be writing efficient code, use of elegant design patterns, and styling your code through code-linting policies.

• You enjoy designing software architecture by collaborating with leads to explore existing systems, determining areas of complexity, potential risks to successful implementation.

• You have an eye for pixel-perfect UI and micro-interactions.
• You enjoy coaching folks to achieve outcomes through nudges.

📢 Other information you may want to consider 

• We will be flexible for the rest of the pandemic and work remotely; however, we are not a remote-first company, and the work location would be Bangalore when things settle.
• Our frontend tech stack includes React.js, Vue.js, Netlify for CI / CD, TestCafe for UX testing, d3.js, and Regraph for visualizations.

As a member of the development group, you will be primarily responsible for the design, development, and maintenance of the product:  

• Help define and create full stack architecture and deployment using React- Django-AWS in an agile environment with lots of ownership and active mentoring 
• Work with the Product and Design teams to build new features to solve business problems and fill business needs 
• Participate in code reviews to create robust and maintainable code 
• Work in an agile environment where quick iterations and good feedback are a way of life 
• Interact with other stakeholders for requirement, design discussions and for adoption of new features 

• Communicate and coordinate with our support and professional services teams to solve customer issues 
• Help scale our platform as we expand our product across various markets and verticals globally 
•  

As a young, fresh startup, we are hoping to be joined by self-starting, hardworking, passionate individuals who are committed to delivering their best, who can grow into future leaders of FactWise. 

• Develop user interface components and implement them using well-known React workflows & best-practices. Build reusable components and front-end libraries for future use.
• Take complete ownership of features, break it down to smaller tasks, identify blockers and find solutions for them; collaborate with other cross-functional teams to deliver the feature on time.
• Create responsive layouts for different mobile screens and desktops with search friendly markup
• Translating visual designs and product wireframes into high quality code

• Min 2+ years of experience in developing modern consumer facing web applications using React and Redux
• Should be aware of latest React patterns and know how to leverage react hooks, functional components and higher order components
• Strong proficiency in CSS, JavaScript, including DOM manipulation
• Must know basics of web technology
• Tech skills needed: React, Typescript, Javascript, HTML, CSS, Redux

JOB SUMMARY:

The Senior Software Engineer designs, develops, troubleshoots, and debugs software applications for our core product. This includes developing software components including Frameworks, APIs, Websites, Utilities, Databases, and Internet-related tools. Demonstrate technical leadership, mentor junior team members, contribute in effort estimation and identify hardware needs.

MINIMUM QUALIFICATIONS AND REQUIREMENTS:

• Bachelor’s Degree in Computer Science or equivalent
• 4+ years working with React Js, exposure to Ember JS will be an advantage
• 5-12 years of industry experience in programming web applications, mobile and/or large-scale enterprise products.
• Proficient in JavaScript, CSS
• Strong experience in one of the following JavaScript frameworks: Ember, React, Angular
• Experience in XML, HTML, IIS
• Familiar with Agile methodologies
• Sense of ownership
• Passion for troubleshooting and problem solving
• Detailed oriented, professional, and possesses a positive work attitude
• Communicate professionally both verbally and in writing
• Extensive experience creating high-quality software in a team environment
• Experience leading projects from start to finish
• Experience with test-driven development (TDD) and/or writing and maintaining high-level test coverage, including both unit and integration tests

• Responsible for development of new highly-responsive, web-based user interface
• Construct visualizations that are able to depict vast amounts of data
• Work and collaborate with the rest of the engineering team
• Work with product team and graphic designers
• Learn and understand user interactions
• Develop a flexible and well-structured front-end architecture, along with the APIs to support it

• Excellent knowledge of multiple technologies like .NET 4.0-4.6, ASP.NET, MVC, CSS, C# .NET, VB.NET,  AJAX, JQuery, AngularJS, ADO .NET, Entity Framework.
• Working Knowledge in MVC Architecture will be preferable.
• Experience in Web Services, WCF, Web API.
• Experience in Windows Forms, WPF.
• Experience in JavaScript, Ajax, JQuery.
• Working knowledge in SQL queries Stored Procedures, with a strong background in SSRS/SSIS report writing.