Backend C# Developer (2500 to 3500 USD monthly)

Smart Apartment Data

21h • Remote

About The Position

Smart Apartment Data, a five-star employee-rated company and Best & Brightest Companies to Work For winner, is on the cutting edge of Big Data in real estate. 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. We’re looking for a mid-level Backend C# Developer to help build and maintain scalable backend systems powering our data platform. You’ll work closely with experienced engineers on real-world, production systems — focusing on API development, data processing, and backend performance. This is a backend-focused role (not frontend-heavy).

Requirements

• Fluent in English
• Ability to work flexible hours
• 3+ years of experience as a C# developer
• Good understanding of REST API design methodologies using C#
• Is comfortable working with SQL databases
• Has the ability to debug, troubleshoot, and work independently

Nice To Haves

• Experience with AI tools (ChatGPT, Claude, Copilot, etc.) in development workflows
• Exposure to microservices or cloud environments (Azure/AWS)
• Experience working with large datasets or data pipelines

Responsibilities

• Help build and maintain scalable backend systems powering our data platform
• Work closely with experienced engineers on real-world, production systems
• Focus on API development, data processing, and backend performance
• Big Data Orchestration
• Data Warehousing in SQL Server & NoSQL
• API Design with C# 13 / .NET 9

Benefits

• Location Independent / 100% Remote
• $2500–$3500 USD/month (fixed range)
• Work with latest and cutting-edge technologies
• Training and mentoring by senior developers
• Fun, collaborative environment
• Generous pay with bonuses
• Strong work-life balance

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 11-50 employees