
Lead Frontend / Fullstack developer
at A Series E, 3.1 Billion $, Bay area Payment company
Senior / Lead Full Stack or Frontend Engineer
Full Time, Permanent
Location: Bangalore (Currently Remote, Post Pandemic you need to relocate)
Hiring for a Series E, 3.1 Billion Dollar rapidly growing organisation focused on payments, marketing and customer loyalty.
- To take ownership of delivering performant, scalable and high quality cloud based software, both frontend and backend side.
- Code reviews.
- Mentoring Team members to develop in line with product requirements.
- Collaborate with Senior Architect for design and technology choices for product development roadmap.
- Thorough knowledge of developing cloud based software including backend apis and react/angular based frontend.
- Thorough knowledge of scalable design patterns and message based systems such as Kafka, RabbitMq, Redis, MongoDB, ORM, Sql etc.
- Experience with AWS services such as S3, IAM, Lambda etc.
- Expert level coding skills in NodeJs,TypeScript,Scala,ReactJs,Angular.
- Eye for user centric mobile first designs on the frontend.
- Experience with hybrid frontends such as react-native, electronJs is a plus.

Similar jobs
Director - Frontend | Snapmint
Location: Gurgaon (Unitech Cyber Park, Sector 39)
Work Days: Monday – Friday
Experience: 12-16 years
About Snapmint: Founded by serial entrepreneurs from IIT Bombay, Snapmint is redefining how banking works by building the experience from the ground up. Our flagship offering provides 0% interest purchase financing to over 300 million banked Indian consumers even those without credit cards — through instant credit scoring and advanced underwriting systems.
By evaluating hundreds of data points beyond traditional credit models, we deliver real-time credit approvals, seamless digital loan servicing, and repayments — revolutionizing financial access for the modern, smartphone-first Indian consumer.
Job Overview:
We’re looking for a Director of Frontend Engineering with a strong focus on Web (React/Next.js) to lead the design, architecture, and execution of Snapmint’s consumer-facing platforms. This role will own web engineering at scale, while also overseeing Android frontend teams to ensure consistency, performance, and a unified user experience across platforms.
You will be responsible for building and scaling high-performance, modular frontend systems that serve millions of users, with a strong emphasis on design thinking, component reusability, and engineering excellence. This is a strategic leadership role that demands a deep understanding of web technologies, system architecture, and modern frontend design patterns, coupled with the ability to mentor teams and drive execution at speed.
🔧 Key Responsibilities:
- Own the frontend web strategy, architecture, and roadmap, focusing on React.js, Next.js, and scalable design systems.
- Lead and mentor web engineers to build modular, maintainable, and high-performing web applications.
- Collaborate with Product, Design, and Backend teams to deliver intuitive and performant cross-platform experiences.
- Oversee the Android frontend team (Kotlin, Jetpack Compose), ensuring consistency in UX, shared design principles, and code quality across platforms.
- Drive the development of design systems and component libraries that scale across web and mobile.
- Champion frontend modularization and micro-frontend architecture to support faster development and easier codebase management.
- Ensure adherence to code quality, performance, security, and accessibility standards.
- Implement best-in-class observability, error tracking, and performance monitoring tools (e.g., Sentry, Firebase, Lighthouse).
- Lead UI experimentation efforts (e.g., A/B testing, feature flags), continuously improving UX based on data.
- Foster a culture of continuous learning, technical excellence, and collaborative innovation within the frontend engineering teams.
- Keep the engineering org updated with the latest in frontend tech, frameworks, and tooling.
✅ Requirements:
- Bachelor’s or Master’s in Computer Science, Engineering, or related field.
- 12+ years of software engineering experience, with 8+ years in frontend development and 5+ years in technical leadership roles.
- Deep hands-on expertise in:
○ React.js, Next.js, JavaScript/TypeScript
○ Component-driven architecture, server-side rendering (SSR), static site generation (SSG)
○ Building and scaling design systems and modular UIs
- Strong understanding of web performance optimization, SEO, cross-browser compatibility, and accessibility standards (WCAG).
- Experience building scalable consumer-facing applications with millions of users.
- Exposure to Android frontend development (Kotlin/Jetpack Compose) with ability to guide and align mobile teams on UI/UX consistency.
- Familiarity with DevOps for frontend: CI/CD pipelines, feature flagging, analytics, and deployment strategies.
- Passion for design thinking, user-centric product development, and pixel-perfect implementation.
- Strong problem-solving, project management, and communication skills.
Requirements
- Strong knowledge of Javascript fundamentals, Object-oriented programming, and Web concepts with 3-7 years of relevant experience in building web apps at scale.
- You must have a strong understanding of semantic HTML / HTML5, CSS / CSS3.
- Experience or familiarity with React.js or Vue.s, and build tools like Webpack, Rollup, etc.
- Curiosity to go in-depth of codebases and libraries and have the ability to set it up from scratch.
- Familiarity with Server Side Rendering (SSR) and website SEO
What You’ll Do
- Build website and frontend platform.
- Build monitoring graphs, services directory, ML model management UI. Make sure SEO and website performance are top-notch.
- Work with design teams and ability to lead other frontend engineers when we expand our team
- Take good design decisions which scale and follow best practices.
About Our Client
It is a last-mile tech-logistics solution provider for intra-state deliveries based in Bangalore. It offers reliable, affordable, and professional services, structured to serve enterprises.
Our Client aggregates light commercial vehicles for urban logistics and has onboarded 55,000+ truckers on its platform across 14 cities. Our Client works across industry sectors like organized retail, FMCG and e-commerce, distribution and 3PL companies. Some of its clients include Amazon, Flipkart, Bisleri, Vishal Mega Mart, Future Supply Chain, Coca-Cola, Delhivery, and Udaan.
The company offers customized logistics solutions for clients, along with other value-added services such as screened drivers, audited and GPS-enabled vehicles, point-to-point billing, status updates, 24x7 service, and greater efficiency, all at transparent and economical pricing.
Our Client, as a brand, is known as one of the market leaders in the enterprise segment, and first movers to identify and empathize with the underserved urban trucker community, playing a huge role in making them a part of the mainstream economy. This series-B funded tech-logistics company aims to disrupt the primitive $35bn+ urban-logistics industry by leveraging technology and help enterprises to reach consumers faster.
Our Client is India's largest enterprise urban-logistics provider in India, with 55,000+ Light Commercial Vehicles on its platform.
Why Our Client?
- Switch career into internet startups.
- Work with fast-paced organizations.
What will I do?
Develop new user-facing features·
Build reusable code and libraries for future use·
Ensure the technical feasibility of UI/UX 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.·
What skills should I have?
BTech, BE, BS degree in Computer Science, similar technical field of study or equivalent practical·
experience.
3+ years·' experience in web and software development.
Demonstrated knowledge of web technologies such as HTML5, CSS3, Javascript and AJAX/Fetch·
API.
Demonstrated experience in React, React-Router, Redux, React-saga/Thunk.·
Ability to work independently and multi-task effectively.·
Flexible and willing to accept a change in priorities as necessary.·
Strong attention to detail.·
A good understanding of cross-browser compatibility issues and ways to work around them.·
Proficient with code versioning tools, such as Git / Mercurial / SVN·
A good understanding of SEO principles and ensuring that application will adhere to them.·
- We are looking for an UI Developer with minimum 3 years of experience in (React.js and/or Angular.js) who is motivated to combine the art of design with the science of programming
- Candidates need to have expertise in user interface designing and developing great user experiences in web and mobile applications
Role :
- Design and development of data-driven, highly scalable web applications with a rich user interface
- The successful candidate will work closely with our Engineering team and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.
Responsibilities :
- Develop new user-facing features.
- Ensure the technical feasibility of UI/UX design.
- Build reusable code and libraries for future use.
- Optimize application for maximum speed and scalability.
- Assure all user input is validated before submitting it to the backend.
- Proficiency in HTML, CSS, Javascript, Bootstrap, JQuery and AJAX.
- Must have : jQuery, jQuery UI, AJAX, Subversion, JSON/XML, bootstrap, SASS, CSS, HTML, Angularjs or React Js
- Comfortable coding in server side languages (PHP, Python, Java, .net) that drive interface requirements/rendering
- Strong experience taking static images/prototypes and converting to web interfaces
- Experience with consuming JSON/XML data via JS frameworks
- Basic usage of Linux command line
- Understanding of server - side CSS
- Good understanding of Angular JS and/or React JS
- Must have knowledge of cross-browser development
- Experience with graphic design applications such as Adobe Illustrator/captivate
- Experience with responsive and adaptive design
- Utilizing a variety of mark - up languages to write web pages
- Understanding of SEO principles
- Proficient understanding of code versioning tools such as Git and BitBucket.
Requirements:
You have designed, refactored, re-architected, deprecated and/or implemented a webapp from start to finish.
CSS and its pre-processors like SASS/LESS.
Excellent command over web fundamentals
Good understanding and experience in building a React app.
Exceptional coding skills in HTML5, CSS3, Javascript/ES6
Strong problem-solving and analytical skills
Familiarity with benchmarking and optimization techniques
Eye for animation and understanding of motion principles.
Experience with Agile Development, SCRUM methodologies
Experience in DevOps - AWS, S3, API Gateway, CI/CD
Native development experience in React Native (Android and iOS)
Experience in NodeJs
Additional Full-stack Skills Would Be a Huge Bonus:
Experience with Mongo DB, Redis, Firebase, NodeJs and its framework/ libraries like Express.
Experience with PostgreSQL.
Experience in NoSQL (CouchDB, Cloudant, MongoDB) datastores.
Experience in building (secure) RESTful services and MVC patterns.
Experience in coding & hosting on GitHub.
Desired Skills and Experience
CSS,JavaScript,React.js
• Strong Expertise in Javascript and ReactJS (ES6)
• 0-1 years for Junior developer
• 3-4 years for Senior developer
• Strong knowledge of scalable and repeatable application development principles and good grasp of systems design / systems architecture concepts and fundamentals
• Strong knowledge of REST APIs and in integrating with APIs from frontend applications • Strong knowledge of UI layouts, CSS3 and HTML5
• Strong knowledge of user authentication, authorization between different systems using JWT, Cookie / Session authentication etc.
• Excellent software design skills including debugging, performance analysis and testing • Experience in writing technical documentation of frontend components
• Strong experience in version control using Git, Git Flow and Agile methodologies. Knowledge of JIRA is a plus.
Your key responsibilities will be converting PSD/Figma into HTML/CSS. You will also be responsible for writing clean, semantic front end code - HTML5, CSS3, JQuery, Java Script.
Selection Criteria
If your profile has selected then you have to attend a 3 hours assignment to move your candidature to the final round of interview.
Responsibilities for UI Developer
- Seek to enhance the user experience by creating seamless navigation through various digital programs and interfaces within the company
- Use coding to develop the aesthetics implemented within a website or product, from the layout menus and drop-down options to colors and fonts
- Combine interface design concepts with digital design and establish milestones to encourage cooperation and teamwork
- Develop overall concepts for improving the user experience within a business webpage or product, ensuring all interactions are intuitive and convenient for customers
- Collaborate with back-end web developers and programmers to improve usability
Qualifications for UI Developer
- 2-4 years of demonstrated experience in creating and implementing UI development
- Detailed experience with coding and the ability to troubleshoot and analyze websites using HTML, CSS and comparable languages
- Continued education and research into UI development trends and current design strategy and technology
- Professional written and interpersonal skills
- Ability to prioritize and manage multiple milestones and projects efficiently
- Advanced problem-solving skills and the ability to optimize code for the best possible outcome
- Ability to work effectively in a collaborative environment to create top-performing interfaces
- Proficient with visual design programs such as Adobe Photoshop
As the lead for the frontend development team at Mosaic, you will be the sole owner of the
entire FE development cycle for our consumer facing web products in ReactJS. Also, you will
be responsible for shaping up the entire system for scale and collaborating intensively with the
backend and design teams to create the best consumer experiences. You would also need to
control the mobile app development lifecycle on ReactNative.
Responsibilities
- Overlook development of all user-facing products in React
- Build reusable components and front-end libraries for future use
- Translate designs and wireframes into high quality code
- Optimize components for maximum performance across a vast array of web-capable
devices and browsers
- Focus on code maintainability and performance of application
- Provide technical advice and assists in solving programming problems
- Use Server Side Rendering when applicable
- Enhance SEO, Analytics and overall frontend architecture for better performance
Requirements
- 4+ years of experience building frontend for consumer facing products
- 2+ years on ReactJS for consumer facing products
- 1+ years of Team Lead/Management experience
- Thorough understanding of architecting the frontend system with Server Side Rendering
- Good foundation in design and a knack for designing interactions and elegant interfaces
- Understands app development cycle
- Experience with NodeJS for Server Side Rendering/coordinating with the backend team
for API requirements
- Must come up with caching solutions where required to speed up the website load speed
and improve customer experience
- We are looking for a skilled React.js Developer to join our front-end development team. 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.
- To ensure success as a React.js Developer, you should have in-depth knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive web applications. Ultimately, a top-class React.js Developer should be able to design and build modern user interface components to enhance application performance.
React.js Developer Responsibilities:
- Meeting with the development team to discuss user interface ideas and applications.
- Reviewing application requirements and interface designs.
- Identifying web-based user interactions.
- Developing and implementing highly-responsive user interface components using React concepts.
- Writing application interface codes using JavaScript following React.js workflows.
- Troubleshooting interface software and debugging application codes.
- Developing and implementing front-end architecture to support user interface concepts.
- Monitoring and improving front-end performance.
- Documenting application changes and developing updates.
React.js Developer Requirements:
- Bachelor’s degree in Computer Science, Information Technology, or a similar field.
- Previous experience working as a React.js Developer.
- In-depth knowledge of JavaScript, CSS, HTML and front-end languages.
- Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
- Experience with user interface design.
- Knowledge of performance testing frameworks including Mocha and Jest.
- Experience with browser-based debugging and performance testing software.
- Excellent troubleshooting skills.
- Good project management skills.
Senior UI Developer, India
All about the role:
Technical UI in India in our Solutions Implementation team
will provide hands-on management for multiple simultaneous projects around UI
domain. This role is based out of Bangalore, India.
Key Accountabilities:
Managing project deliverables in line with the project plan
Providing status report to different stakeholders
Implement process improvement
Provide strong technical leadership and hands-on involvement with CSS3, HTML5, JQuery, PSD Conversion to HTML
Responsible for implementing best practices for project delivery
Manage a delivery team to ensure timely, accurate and high quality customer deliveries
Own all major and minor project releases for the Solutions Implementation team
Conduct peer-reviews and lead reviews and provide feedback
Advising on and co-ordinating team's technical activities
Identifying and owning architectural and other technically based risk, escalating as appropriate
Ensuring the non-functional requirements are achievable and subsequently met
Ensuring adherence to appropriate standards of technical best practice
Controlling the technical configuration of the solution
Managing technical aspects of the transition of the solution into live use
Resolving technical differences between technical team members
Desired Skills
Hands-on experience with CSS3, HTML5, JQuery, PSD Conversion to HTML and Wordpress
Experience in Responsive Web Design and Cross Browser Implementation
Leadership & Management
Imbibe and represent our culture, core values and ensure the behavior and feedback is cascaded through the organization
Provide feedback to the leadership team by demonstrating understanding of business, markets, and industry trends and needs
Education and Experience Requirements
Bachelor's degree in Engineering or relevant fields
5+ years of experience in a role of a UI developer at technology and product development teams
Experience of working in a global distributed development model
Track record of delivering high performance products
Domain - digital - E-commerce, marketing, social, mobile, UI (HTML5, CSS3, JavaScript, JQuery and Wordpress)










