Backend Engineer (C# / Python / Azure) - Global Business/上場スポットコンサル運営企業の求人

Responsibilities
- Collaborating with cross-functional and geographically distributed teams (including Co-CTOs, Team Leads, PdMs, and BizDev) across Japan, the US, and Europe to drive global ENS product strategy.

- Designing, implementing, and maintaining scalable and resilient backend systems and APIs to support core matching, search, and next-generation AI-driven features.

- Collaborating on the integration and deployment of autonomous AI agents and LLM orchestration, ensuring optimal backend architecture and system latency.

- Promoting a full-cycle development culture by taking ownership of the entire lifecycle, including automated testing, CI/CD pipelines, code reviews, and production operations/maintenance.

- Refactoring legacy code, optimizing database performance, and actively resolving technical debt to ensure long-term system maintainability and scalability.



Highlights of the Role
- Direct Business Impact: You will play a pivotal role in completely rebuilding our core search and matching infrastructure with AI, working with a massive asset of 800,000+ experts and directly driving revenue growth.

- Multi-Phase Product Lifecycle: Experience everything from scaling internal AI products (1-to-10 and 10-to-100 phases) to spearheading upcoming greenfield user-facing projects from scratch (0-to-1 phase).

- Truly Flat & Global Collaboration: Work in a barrier-free environment where engineers, designers, and business members align seamlessly. Frequent collaboration with US and European hubs offers deep global career exposure right here in Tokyo.


Technical Environment
-Languages: C#, Python, TypeScript, SQL

- Backend Frameworks: ASP.NET Core, FastAPI

- Frontend Frameworks: Angular

- Infrastructure & Cloud Platforms: Microsoft Azure, Google Cloud Platform (GCP), Azure Functions, Docker, Kubernetes

- Databases & Data Stores: SQL Server, Cosmos DB, PostgreSQL

- Tools & Collaboration: GitHub, Slack, Jira, Confluence, esa, Ovice

Required Qualifications
- Dual Language Proficiency: Business-level English for cross-border collaboration with global teams, alongside business-level Japanese to seamlessly interface with local product and business stakeholders.

- Production-Grade Backend Experience:
- Mid-level: 3+ years of professional experience building, deploying, and maintaining web applications and scalable APIs using modern backend frameworks.

- Senior-level: 5+ years of experience; capable of designing clean, event-driven architectures, optimizing complex queries, and leading tech-stack selection.

- Software Engineering Fundamentals: Strong commitment to software craftsmanship, including readable/maintainable code, proper unit/integration testing, and solid database design.



Preferred Qualifications
-Cloud Architecture: Deep experience deploying, monitoring, and scaling services specifically within the Microsoft Azure ecosystem.

- Full-Stack Familiarity: Practical experience or familiarity with modern frontend frameworks (TypeScript/Angular) to facilitate smooth full-cycle development.

- Cross-Border Delivery: Proven track record of operating successfully within a fast-paced, cross-functional startup or scale-up environment spanning multiple time zones.

日本最大級のナレッジプラットフォーム運営企業