Serverside Engineer｜Backend Development for Cryptocurrency Exchange (C# / ASP.NET)

59704229-1

Locations: Tokyo

Salary: ¥8,000,000 〜 ¥13,000,000 (Annual)

Recruitment industry: Backend Engineer

Employment status: Full time employee

Experience over five years Experience from 3 to 5 years Health Care or Medical Insurance Social insurance

Published date: 14/07/2025

Job description

Develop back-office tools such as reports and document output features
Design and implement web applications and APIs using C# / ASP.NET
Architect software systems and select appropriate technologies
Share knowledge and provide technical leadership to the team
Contribute to new product development

Requirement

Required Skills & Experience

Solid understanding of data structures and algorithms
Knowledge of concurrent/asynchronous programming

Preferred Skills & Experience

3+ years of experience in .NET Framework / ASP.NET (C#)
5+ years of system development experience
Experience with Web API development
Background in financial system development
Experience designing scalable systems
Experience in team leadership

Ideal Candidate

Compliance-oriented and trustworthy
Shares the company’s mission, vision, values
Passionate and honest
Adaptable to fast-paced environments
Strong logical communication skills

Tech Stack & Environment

Backend: C# / .NET / ASP.NET
Frontend: React / Vue.js / TypeScript
CI/CD: Azure Pipelines
IDE: Visual Studio
VCS: Git / Azure Repos
Tools: Slack, Google Meet, Confluence, Jira, Datadog, PagerDuty

Benefits

Annual salary: ¥8M–13M (based on experience & skills)
Performance-based bonuses
Full social insurance, commuting allowance, WFH allowance
Company-paid books, free snacks, drinks, noodles, fruits, onigiri, office massage
Non-smoking environment

Work time

8 hours/day, flextime (core time: 10:00–16:00)
Full 2-day weekend, national holidays
Paid leave (12 days in the first year), year-end/new year, birthday leave, parental leave, etc.

Location

Tokyo - Tokyo

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