A global marketplace platform company that enables circulation of value through their marketplace app.

Mercari is seeking a Frontend Software Engineer to join their Crossborder team, working on their global e-commerce platform that connects sellers and buyers worldwide. The role involves building and maintaining a marketplace platform that serves millions of users across 100+ countries. You'll be part of a team that values open culture, technical excellence, and collaborative development. The position offers flexible working hours and is based in Roppongi, Tokyo with a hybrid work arrangement. You'll be responsible for technical design, implementation, and testing of frontend solutions while working closely with cross-functional teams. The ideal candidate should have strong expertise in modern frontend technologies, particularly TypeScript and React, with a focus on building scalable, user-friendly interfaces. This is an opportunity to work on a product that facilitates value circulation globally while contributing to Mercari's mission of unleashing the potential in all people.

Frontend Software Engineer position at Mercari, developing cross-border e-commerce platform with TypeScript and React, hybrid work in Tokyo.

Software Engineer, Frontend - Mercari / Crossborder

Mercari is seeking a Frontend Software Engineer for their Crossborder team to help build a Global Crossborder e-commerce platform expanding to over 100 countries worldwide. The role involves working on a marketplace platform that enables value circulation through their app, which was founded in 2013. As a frontend engineer at Mercari XB, you'll participate in development from ideation to release, owning technical design, implementation, testing, and safe rollout of the product. The company promotes an open culture where engineers can discuss architecture on Slack, collaborate via GitHub, and share knowledge through various channels. They believe in using the most appropriate technology and don't limit engineers to particular roles. The position offers opportunities to work on large-scale products used by millions of users globally, with exposure to modern technologies and practices including A/B testing, monorepo architectures, and agile methodologies. The ideal candidate will combine technical expertise with strong communication skills to work effectively in a diverse, international environment. The role offers flexible working hours and opportunities for professional growth in a company committed to creating value through technology.

Frontend Software Engineer position at Mercari, developing cross-border e-commerce platform with React, TypeScript, and Next.js, requiring 3+ years of experience.

A marketplace app company focused on circulating all forms of value to unleash potential in people.

Mercari, a marketplace app company founded in 2013, is seeking a Software Engineer for their Cloud Infrastructure/Networking team. The role focuses on making communication between customers and systems smooth, reliable, and secure. The Networking Platform Team manages the entire network infrastructure from CDN to cloud, service mesh, and physical data centers. 

The ideal candidate should have strong platform networking and infrastructure system development background, with hands-on DevOps experience. You'll work on implementing and stabilizing Istio service mesh, migrating Kubernetes clusters, and developing tools that support the entire software development cycle.

The position offers unique challenges in a dynamic environment where you'll have opportunities to make impactful improvements to large-scale systems. You'll collaborate with SRE and Security teams to enhance platform security and reliability, while automating operations to improve efficiency.

Working at Mercari means joining a company with a strong mission to "Circulate all forms of value to unleash the potential in all people." The company values diversity and inclusion, creating an environment where anyone sharing their mission and values can contribute regardless of background.

The role requires proficiency in various technologies including Golang, Python, Kubernetes, and extensive knowledge of networking concepts. You'll be part of a team that follows Mercari Engineering Principles: Passion For The Product, Grow Together, Solve Through Mechanisms, and Collaborate Openly.

Senior Cloud Infrastructure Engineer role at Mercari, focusing on network infrastructure, service mesh, and platform development using Golang, Python, and Kubernetes.

Software Engineer, Cloud Infrastructure / Networking

A technology company operating Japan's largest marketplace app, expanding into cryptocurrency and blockchain services through Mercoin.

Mercari, through its subsidiary Mercoin, is seeking a Frontend Software Engineer to join their cryptocurrency and blockchain services team. The role involves developing web applications for both B2B and B2C services within the Mercoin ecosystem. The company was founded in 2013 with a mission to circulate value and expand possibilities for everyone through technology.

The position offers unique challenges in developing high-quality financial and blockchain applications where security, performance, and accessibility are crucial. You'll be working with modern technologies like TypeScript, React, and Next.js, while having the opportunity to shape the future of digital value exchange through blockchain technology and NFTs.

The development environment includes modern tools and platforms such as Google Cloud Platform, Terraform for infrastructure management, and industry-standard development tools like Circle CI, GitHub, and JIRA. The team emphasizes quality in both functional and non-functional requirements, ensuring the best possible user experience for customers.

As part of Mercoin's frontend team, you'll contribute to various projects, from merchant tools to customer-facing applications. The role requires strong technical skills, an understanding of financial technology, and the ability to work in a collaborative environment. The company values diversity and inclusion, welcoming candidates from various backgrounds who share their mission and values.

The position offers flexible working hours and the opportunity to work on cutting-edge technology in the intersection of e-commerce, cryptocurrency, and blockchain. You'll be part of a team that's creating new ways for people to exchange value, whether it's through cryptocurrency, NFTs, or other digital assets.

Frontend Software Engineer position at Mercoin, developing cryptocurrency and blockchain web applications using React and TypeScript in a hybrid work environment.

Software Engineer, Frontend - Mercoin

Mercari is a company that operates a flea market app, aiming to circulate value and expand possibilities for people.

Mercoin is seeking a Product Engineer, Backend to join their team in developing cryptocurrency and blockchain-related services. The role involves working on the main backend systems and cryptocurrency exchange systems for Mercoin. Key responsibilities include:

- Development and operation of Bitcoin trading services
- Web application development and API development using Go
- Microservice interface design using Protocol Buffers + gRPC
- Service improvement through quantitative and qualitative analysis of user behavior logs
- Architecture design and middleware selection based on application requirements
- Performance tuning, monitoring, and alert response for microservices

The ideal candidate will have experience in web application development, database design, and software architecture. They should be proactive, flexible, and eager to learn new technologies. The role offers unique challenges such as providing new cryptocurrency-related features to Mercari's 23 million monthly users and leading the transformation of the financial landscape through cryptocurrency and blockchain technology.

Development environment includes Go, Google Cloud Platform, Terraform, BigQuery, Datadog, CircleCI, and various other tools. The team follows Agile development methodologies.

This position requires either:
- English: Independent (CEFR - B2) / Japanese: Basic (CEFR - A2)
- Japanese: Independent (CEFR - B2) / English: Basic (CEFR - A2)

Mercari offers a flexible work style, competitive salary, and various benefits including social insurance, incentive programs, and family support systems.

Product Engineer, Backend - Mercoin

Mercari aims to create a world where anyone can unleash their potential by using technology to connect people globally.

Mercari, a technology-driven company, is currently seeking a Cloud Cost Management Engineer to join their team. The role involves ensuring effective cloud infrastructure usage, cost optimization, and visibility. It requires collaboration with various stakeholders to manage cloud resources efficiently. The ideal candidate should have experience in infrastructure management, cloud operations, and excellent communication skills. With Mercari's commitment to diversity and equality, this role offers a chance to be part of a global initiative to connect people and unleash their potential.

Join Mercari as a Cloud Cost Management Engineer in Roppongi with a competitive salary offering complete health insurance. Be part of Mercari's technology-driven mission in the cloud infrastructure market. Hiring entry-level to mid-level Cloud Cost Management Engineers in Tokyo, Japan.

Cloud Cost Management Engineer

Creating opportunities for individuals to realize their dreams and contribute to society through technology.

Mercari, a technology company focused on connecting people worldwide and using technology to create opportunities for individuals to realize their dreams, is hiring a software engineer for its Platform Group. The role involves designing, developing, and maintaining platform features and toolings, supporting migration to new platforms, enhancing platform security and reliability, and automating daily platform operations. The ideal candidate is passionate about improving developer productivity, infrastructure automation, and platform development. Mercari values inclusion and diversity, aiming to eliminate discrimination in the workplace. This role offers the chance to work on impactful projects that can influence the organization's performance globally, making it a great opportunity for software engineers.

Join Mercari as a Software Engineer in Platform Group at Roppongi with a salary based on skills and abilities. Enjoy benefits like health insurance and relocation support.

Mercari Engineering Jobs

A global marketplace platform company that enables circulation of value through their marketplace app.