Senior .NET Backend Developer

Company Description

3dEYE is a leading pure cloud video surveillance and AI analytics platform that offers a comprehensive solution for all video surveillance needs. With advanced features like heat mapping, object detection, face recognition, and people counting, 3dEYE leverages AI analytics and AWS cloud processing for optimal security, reliability, and scalability.

Role Description

We’re looking for an experienced Senior .NET Backend Developer to join our fully remote team. In this role, you’ll design, develop, and maintain high-load, scalable software solutions using .NET technologies. You’ll work closely with cross-functional teams to deliver robust, reliable applications that meet modern security and performance standards.

We value clean, efficient, and maintainable code. If you’re passionate about architecture, multithreading, memory management, and writing code that other developers love to read — you’ll fit right in.

This is a fully remote position, open to applicants from many countries. 

Key Responsibilities

• Design, develop, and maintain scalable backend applications using .NET.
• Collaborate with engineering, AI, and product teams to refine system architecture and deliver high-quality solutions.
• Write clean, testable, and maintainable code that adheres to SOLID principles and design patterns.
• Support database development, performance tuning and optimization.
• Implement and maintain automated unit and integration tests.
• Perform code reviews and contribute to continuous performance optimization.
• Troubleshoot complex problems involving concurrency, multithreading, and high-load scenarios.

Required Qualifications

• 7+ years of professional software development experience using .NET, .NET Core, or related frameworks.
• Strong proficiency in C#.
• Deep understanding of multithreading, asynchronous programming, and memory management.
• Database development, performance tuning and optimization, proficiency in database scaling and optimization.  
• Expert-level knowledge of SQL and relational databases, strong experience with NoSQL databases, familiarity with NewSQL databases.  
• Strong architectural thinking and familiarity with scalable system design.
• Solid grasp of design patterns and principles (especially SOLID).
• Experience building and maintaining high-load, distributed systems.
• Strong communication skills, with the ability to write understandable and well-documented code.
• Bachelor's degree in Computer Science, Engineering, or a related field.

Preferred Qualifications

• Hands-on experience with AWS cloud services.
• Exposure to or interest in machine learning systems.
• Intermediate+ proficiency in English.

How to Apply

Please submit your resume, GitHub profile (or code samples), and any relevant work portfolio to hr@3deye.ai.

Note: Selected candidates will be asked to complete a test task to demonstrate coding proficiency.