

Work Responsibilities
- What You’ll Do:
- Engineers will develop and improve features for products such as WebView pages called from within Mercari’s web version and native app, along with tools used by the Customer Support Team for answering user inquiries and providing transaction support.
- Senior engineers in the Frontend Team are expected to use their technical skills to lead the team and product development, train members through design and code reviews, and make contributions and improvements to the hiring process, including technical tests.
- Development Environment:
- Languages: HTML, CSS, JavaScript, TypeScript, React, Gatsby, Next.js, GraphQL, Apollo Client, Redux, Cypress, Rendertron, Lit, Playwright
- Infrastructures: Google Cloud Platform (Compute Engine, Kubernetes Engine, App Engine)
- Configuration management tool: Terraform
- Other: Circle CI, GitHub, Slack, JIRA, Crowi, Spinnaker, Datadog
Minimum Requirements
- Shared understanding and belief in Mercari Group's mission and values
- At least 3 years of experience in development related to frontend fields such as web browsers, JavaScript, TypeScript, React.js, Next.js, or Redux
- Experience with developing and operating large-scale products
- Ability to design and develop with performance and scalability in mind
- Ability to use HTML and CSS to implement solid user interfaces
- Knowledge of JavaScript and experience developing with UI libraries or frameworks such as React, Vue.js, and Angular
- Able to understand and explain web operation principles and browsers
- Understanding of version management and ability to participate in development via Git
- Effective communication skills, needed for product development with team members and with other teams
Preferred Requirements
- Extensive knowledge of standard web technologies and specialized knowledge in some areas, like TypeScript, React.js, Next.js, Redux
- Understanding of the characteristics of different libraries/frameworks and the ability to introduce them to projects where necessary
- Ability to design architecture based on the characteristics of the app
- Ability to consistently take initiative in implementing improvements to the app
- Project management and/or team leadership
- Cloud development experience (preferably GCP or AWS)
- Experience contributing to an open-source project
- Familiarity with CI systems and the release process
Working Conditions
Employment Status
Full-time
Office
Bangalore
- Hybrid Workstyle

About Mercari, Inc
About
Launched in 2013 and becoming the first Unicorn company in Japan, Mercari Group is a Japan-based corporate group operating in both Japan and the US. Our mission is to create value in a global marketplace where everyone can buy and sell.
Mercari is the largest marketplace platform with over 20 million monthly users in Japan. Through the Mercari app, users can sell their used or unwanted items to those who need them just by taking a photo and entering in some basic information. We are constantly developing our app to provide an environment where anyone can conduct transactions easily, safely, and securely. As part of these efforts, we have invested in the latest technologies such as AI and machine learning, and have released various functions such as escrow payment, AI listing, and barcode listing.
The app currently operates in Japan and the US, with 5.6 million monthly users in the US (as of 2022.3).
We have also successfully launched new businesses such as our mobile payment service Merpay. Today, Mercari Group is made up of multiple subsidiary businesses, including those involved in logistics, B2C e-commerce, blockchain, and sports team management.
Mercari India located in Bengaluru will harness the infinite power of technology to create high-quality service where our people come together to build products that will further strengthen our leadership position in a global product market.
Website
Industry
Technology, Information and Internet
Company video
Candid answers by the company
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Job Title: Lead Frontend Developer – React.JS
Experience Required: 10–14 Years
Location: Bengaluru (Hybrid – 3 Days WFO)
Work Hours: 11 AM – 8 PM
About the Role
We are seeking an experienced Lead Web App Developer – Frontend with a proven track record in building dynamic, user-friendly web applications. The ideal candidate will have expertise in React.js, HTML, and CSS, coupled with strong debugging and problem-solving skills. If you have a passion for crafting seamless user experiences and a collaborative mindset, we’d love to hear from you!
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What We’re Looking For
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- Familiarity with frameworks and libraries like Node.js.
- Proficiency in version control systems like Git.
- Design Sense: An attuned sense for design, ensuring smooth collaboration with UX teams.
- Soft Skills: Strong problem-solving abilities, attention to detail, and excellent communication skills.
- Education: Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or a related field.


What will I be doing? 👩💻👨💻
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What do I need? 🤓
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- You have an eye for well-functioning user interfaces and have at least cursory insight into both design and UX principles.
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- You have a deep interest in the technical stack you work on to understand it better and build out responsive products.
- You have familiarity with popular JavaScript tools, frameworks, and design principles, and enjoy staying up to date with the changing JavaScript ecosystem landscape.
- You have strong communication skills.
Brownie points 🍰
- Experience delivering compelling experiences in SaaS or web-based solutions.
Feel free to apply even if you feel unsure about whether you meet every single requirement in this posting. As long as you're a quick learner, and are excited about changing the status quo for tech recruitment, we're happy to support you as you come up to speed with our tech stack.
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Developing user-facing applications using Vue.js
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Office Location: Goregaon Mumbai
Position Description: 3+ years of experience on web technologies.
Primary Responsibilities:
- Building of user-facing elements and Integration
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- Design and implementation of low-latency, high-availability, and real time applications
- Architecting applications and strategizing them to be scalable for traffic.
- Identifying and working on new innovations which can relate to any kind of technology
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- 2-3 years of experience with JavaScript, JQuery, Node.js
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- Understanding fundamental design principles behind a scalable application
- Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform
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We are now looking to onboard an exceptional Frontend Developer on our team. They will be an integral part of our technology function and work on challenging, cutting-edge problems, and contribute to the solution design and development for various software systems and subsystems. They will develop new and interesting products for our B2B users and will work with the best minds in the industry.
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- Hands-on experience in the JavaScript ecosystem, libraries, and tooling (ES6/7), React.js, and Redux
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- An experience of writing clean, well documented, semantic code with responsiveness and cross-browser compatibility in mind
- Ability to improvise, troubleshoot, and learn new skills on the job.
- Proficient understanding of code versioning tools, such as Git/SVN
- Excellent coding and debugging skills
- A passion and the ability to make beautiful, smooth, delightful web experiences
- A "Will Do" attitude
- A team of aces, from top-tier schools and startups, to work with
- A fast-paced, data-driven, and fun work environment
- A huge appetite for new, disruptive, creative, and implementable ideas
- An open work culture
- Competitive salary
- Great working environment, opportunity to work directly with the founders on very exciting real-life problems.
- Opportunity to grow really fast.
- Opportunity to hire a team & mentor them in the future.
- ESOPs
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- Shortlist
- Intro call of 15min
- Assignment
- 1-2 Tech rounds
- HR round
- Offer rollout
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- Experience with object-oriented programming
- Experience with mobile platforms.
- Experience with the following technologies OOAD/OOPS (Object Oriented Programming) PHP 5, MySQL 5, any framework like Zend/Symfony/CakePHP, etc.
- Strong understanding and hands-on in HTML, DHTML, XML, CSS, JavaScript, JQuery/Prototype and AJAX.
- Very strong understanding of database technologies and SQL Optimization.
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- Desired Experience in customizing existing 3rd party themes, Plugin.

