Product Engineer, Backend - Mercoin

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.