Software Engineer - Frontend

Mercari, Inc. (India); Bengaluru; On-site; INR 1,800,000 - 3,000,000; Full time

Job summary

Mercari India, established in Bengaluru, is a tech hub driving frontend engineering for Mercari Group. You will build scalable UI features using React.js and Next.js, collaborating with global teams to deliver high-performance web applications. The role emphasizes TypeScript, GraphQL, and modern tooling within a fast-paced environment.

Join a growing team focused on AI initiatives and scalable architectures, contributing to Mercari's engineering excellence in India and across borders.

Qualifications

• 2–5 years of frontend development experience with web technologies.
• Experience with React.js, TypeScript, Next.js, and Redux.
• Strong UI skills with HTML/CSS and performance-focused design.
• Experience with large-scale products.
• Excellent communication for cross-functional teams.

Responsibilities

• Develop frontend features using React.js and Next.js for scalable products.
• Ensure performance and cross-browser compatibility across large-scale apps.
• Collaborate with Japan-focused development teams to align on design and delivery.

Skills

HTML5

CSS3

JavaScript

TypeScript

React.js

Next.js

GraphQL

Apollo Client

Redux

Cypress

Rendertron

Storybook

Tools

Google Cloud Platform (GCP)

Kubernetes

Terraform

GitHub

Slack

JIRA

Spinnaker

Datadog

App Engine

Job description

Our Mission

Mercari is a Japan-based C2C marketplace company founded in 2013 with the mission to “Create value in a global marketplace where anyone can buy & sell.” From being the first tech unicorn from Japan before its IPO in 2018 we have come a long way towards becoming a global player and continuously and diligently work towards our transformation journey with a strong focus on our mission.

Since its inception, Mercari Group has worked to grow its services, investing in both our people and technology. Over time, Mercari has expanded from being the top player in the C2C marketplace in Japan to new geographies like the U.S. We have also successfully launched new businesses such as Merpay, which is a mobile payment service platform with a vision to create a society where anyone can realise their dreams through a new ecosystem centered not only on payment service but also on credit. Today, Mercari Group is made up of multiple subsidiary businesses, including logistics, B2C platform, blockchain, and sports team management.

About Mercari India

Established in Bangalore in 2022, Mercari India serves as a crucial technology hub for the Mercari Group. Leveraging the rich and diverse tech talent in India, we primarily collaborate closely with our development hub in Japan to drive engineering development for Mercari's applications. Having grown to an organization of approximately 80 members over about three years since its inception, Mercari India aims to evolve into an even stronger engineering organization that spearheads technological innovation for the entire group. This will be achieved by further enhancing our engineering capabilities and promoting AI initiatives that reflect India's cutting-edge technology and knowledge.

Our Culture

To achieve our mission at Mercari, our organisation and each of our employees share the same values and perspectives.

Our individual guidelines for action are defined by our four values:

• Go Bold
• All for One
• Be a Pro
• Move Fast

Our organisation is also shaped by our four foundations:

• Sustainability
• Diversity & Inclusion
• Trust & Openness
• Well‑being for Performance

Regardless of how big Mercari gets, the culture will remain essential to achieving our mission and something we want to preserve throughout our organisation.

We invite you to read the Mercari culture doc that summarizes the behaviours and mindset shared by Mercari and its employees. We continue to build an environment where all of our members of diverse backgrounds are accepted and recognised, and where they can thrive while holding dear to Mercari’s culture.

Work Responsibilities

• What You’ll Do:
  • Languages: HTML5, CSS3, JavaScript(ES6), TypeScript, Reactjs, Next.js, GraphQL, Apollo Client, Redux, Cypress, Rendertron and Storybook
  • Infrastructures: Google Cloud Platform (Compute Engine, Kubernetes Engine, App Engine)
  • Configuration management tool: Terraform
  • Other: GitHub, Slack, JIRA, Spinnaker and Datadog

Minimum Requirements

• Shared understanding and belief in Mercari Group's mission and values.
• At least 2-5 years of experience in development related to frontend fields such as web browsers, JavaScript, TypeScript, React.js, Next.js and 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 develop solid user interfaces.
• Knowledge of JavaScript and experience developing with UI libraries or frameworks such as React.
• Strong understanding of cross browser compatibility and best practices.
• 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.
• Cloud development experience (preferably GCP or AWS).
• Experience contributing to an open‑source project.
• Familiarity with CI systems and the release process.

Owned Media

• Mercari Engineering Portal
• Mercan - Introduces the people that make Mercari
• Mercari US Blog

Related Articles

• https://engineering.mercari.com/en/blog/entry/20210810-the-new-mercari-web/
• https://engineering.mercari.com/en/blog/entry/2020-04-15-112744/
• https://engineering.mercari.com/en/blog/entry/20210630-connecting-the-dots-web-accessibility-through-internationalization-and-localization/
• https://mercan.mercari.com/articles/29662/