Mid-Level Backend C# Developer

Smart Apartment Data — Bulgaria · Posted ~4 weeks ago

Mid Remote USD 3000-3500/month

Skills

C# .NET backend development API development backend services data processing software architecture AI-assisted development

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Summary ✨ AI‑Generated

A mid-level remote backend engineering role for a C# developer who enjoys building reliable, scalable services and APIs. You will develop backend and data-processing systems, work with experienced engineers, and use modern AI-assisted development tools while maintaining strong code quality and architecture practices.

Highlights

Fully remote role with a competitive USD salary, modern AI-assisted engineering practices, and opportunities to build scalable backend systems and data-processing applications alongside experienced engineers.

Description

Remote | Eastern Europe Only USD $3,000-3,500/month About Us For 20+ years, we've been the market leading in big data analytics for U.S. —empowering brokers, investors, and analysts with real-time market intelligence. Our engineering team values practical problem solving, clean architecture, ownership, and continuous improvement. We work remotely, move quickly, and embrace modern development practices—including AI-assisted software engineering. About The Role We're looking for a hands-on Backend C# Developer who enjoys building reliable, scalable backend systems and uses modern AI development tools to improve productivity without compromising code quality. You'll develop APIs, backend services, and data-processing applications while collaborating closely with experienced engineers in a fast-moving remote environment. This role is ideal for someone who combines strong backend fundamentals with an AI-first engineering mindset. This is a hands-on mid-level backend engineering role focused on building production systems rather than leading teams or managing people. What You'll Do Build and maintain backend applications using C# and .NET Design and develop scalable REST APIs Optimize SQL Server databases and application performance Troubleshoot production issues and deliver reliable solutions Use AI development tools (e.g., Cursor, Claude Code, GitHub Copilot, ChatGPT) to accelerate development while maintaining high code quality Collaborate with engineers to deliver clean, scalable, and maintainable software Sneak peek of projects: Big Data OrchestrationData Warehousing in SQL Server & NoSQLAPI Design with C# 13 / .NET 9 Requirements What We're Looking For 2+ years of commercial backend C#/.NET development experience (2-6 years preferred)Good written and spoken English Strong experience building REST APIs Solid SQL Server and relational database skills Experience debugging and maintaining production applications Regularly uses AI-assisted development tools (Cursor, Claude Code, GitHub Copilot, ChatGPT, etc.) as part of their daily workflowAble to work independently in a remote environment Nice to Have Experience with Azure Experience with Docker and CI/CD pipelines Entity Framework Experience integrating AI or third-party APIs Benefits We offer: Location Independent / 100% Remote$3000-$3500 USD/monthLong-term opportunity with a stable U.S. technology company Exposure to modern backend architecture and AI-assisted software development