Magnise

Hello! 
 

We are looking for an experienced Senior .NET Developer to take ownership of our OMS (Order Management System), Hub API infrastructure, and core backend services supporting mission-critical trading operations.

Responsibilities

• Develop, maintain, and improve backend services using C# and .NET.
• Support and evolve OMS, Hub API infrastructure, and related backend systems.
• Design scalable, high-availability APIs and distributed services.
• Manage AWS infrastructure, Docker environments, and deployment processes.
• Troubleshoot production issues and implement long-term solutions.
• Improve monitoring, logging, alerting, and system observability.
• Support broker, exchange, market data, and third-party integrations.
• Participate in architecture discussions, code reviews, and technical decision-making.

• Mentor team members and contribute to engineering best practices.

   

Requirements

• 8+ years of professional software engineering experience.
• 5+ years of experience designing, maintaining, and supporting large-scale production systems.
• Expert-level C# and ASP.NET experience.
• Deep understanding of distributed systems architecture.
• Strong AWS infrastructure experience.
• Strong Docker experience.
• Experience with Redis and high-performance caching systems.
• Experience designing REST APIs and service-oriented architectures.
• Experience with CI/CD pipelines and deployment automation.
• Experience supporting systems with strict uptime and reliability requirements.
• Experience leading technical design decisions and architectural reviews.
• Experience conducting code reviews and enforcing engineering standards.
• Strong troubleshooting, debugging, and production support skills.
• Strong communication, organizational, and problem-solving abilities.

• High level of ownership, accountability, and proactive decision-making.

   

Nice to Have

• Trading platform experience.
• OMS experience.
• Broker connectivity experience.
• Market data infrastructure experience.
• Financial technology experience.
• Real-time messaging systems experience.
• Multi-threaded and low-latency systems experience.
• Exchange connectivity experience.
• Experience working with algorithmic trading systems.

• Experience supporting mission-critical financial infrastructure.

   

Work Environment

• Fully remote, full-time position.
• Working hours aligned with U.S. Eastern Time.
• Fast-paced environment with significant technical ownership and responsibility.