Backend C# Developer (2500 to 3500 USD monthly)

Smart Apartment Data

Romania · Full-time · Mid-Senior

Join a Top-Rated US Tech Company in Big Data Analytics.

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. We offer a fun, collaborative environment, generous pay with bonuses, and a strong work-life balance.

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.

Watch this short video to meet our hiring team: https://vimeo.com/1057933773/3260b5ba8b

About the Role: 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).

Sneak peek of projects:

Big Data Orchestration
Data Warehousing in SQL Server & NoSQL
API Design with C# 13 / .NET 9

Requirements

We are looking for someone who:

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 Have (Bonus, Not Required)

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

⚠️ Note: AI experience is considered a plus, not a requirement. Strong backend fundamentals are the priority.

Benefits

We offer:

Location Independent / 100% Remote
$2500-$3500 USD/month (fixed range)
Work with latest and cutting-edge technologies
Training and mentoring by senior developers

Key Skills

Ranked by relevance

big data c sql ai microservices sql server ai tools server cloud

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