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Backend Engineer

Randstad Japan — Japan · Posted ~1 day ago

Mid

Skills

C# ASP.NET Core REST APIs EF Core SQL Azure Database design Agile Business-level English Microsoft Azure CI/CD DevOps

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Summary

A fast-growing technology venture focused on sustainable infrastructure is seeking a Backend Engineer to design, develop, and operate a core energy platform. You will build Web APIs and C# features, improve scalability and performance, maintain cloud infrastructure, promote automation and CI/CD, and contribute to technical support and code reviews. Strong C#/.NET, REST, SQL, EF Core, Azure, and business-level English skills are required; Japanese is not required.

Highlights

Join a fast-growing sustainability-focused technology environment and work on a core energy platform using C# and Azure. The role covers scalable architecture, performance optimization, cloud infrastructure, automation, CI/CD, technical support, and code reviews, with Japanese language skills not required.

Description

*We are only able to accept applicants with valid permission to work in Japan. Thank you for your kind understanding. ------------------------ A fast-growing startup developing a core platform for solar and battery management to build sustainable infrastructure. ■Role Overview You will responsible for designing, developing, and operating the core energy platform and new services using C# and Azure. ■Main Tasks Include ・Design, build, and release Web APIs & C# features. ・Optimize system performance and technical debt. ・Improve cloud architecture for high scalability. ・Build and maintain infrastructure on Azure. ・Promote development automation and CI/CD. ・Provide technical support and code reviews. 【Must】 ・Experience in C# / ASP.NET Core & REST APIs ・Database design experience with EF Core & SQL ・Experience in Azure development & Agile process ・Business-level English for team communication 【Want】 ・Experience in Azure infrastructure & DevOps ・Knowledge of DDD, Clean Architecture, or CQRS ・Frontend development experience (e.g., React) ■Estimated Salary 6.0 Million JPY – 15.0 Million JPY ■JOB ID: VAC-292348 *Finish your application by filling out the required information. We look forward to your application.