Senior Backend Engineer (C#/.NET) for Real-Time Trading

DK Crown Holdings; Boston (MA); On-site; USD 120,000 - 149,000; Full time

Job summary

DraftKings in Boston is seeking a Senior Software Engineer to build backend services for DraftKings Exchange, a new market at the intersection of technology and finance.

You will design scalable systems, work with cross-functional teams, and influence architecture while delivering low-latency, high-throughput trading capabilities. 4+ years of experience, C#/.NET, cloud-native, and distributed systems required. Base salary range 119,500–149,400 USD, with bonus and equity.

Qualifications

• Bachelor's degree in Computer Science or equivalent.
• 4+ years of backend software engineering experience.
• Proficient in C#/.NET and building distributed, high-throughput systems.
• Experience with cloud-native architectures, microservices, APIs.
• Familiarity with relational and NoSQL databases.
• Experience with high-frequency transaction systems a plus.

Responsibilities

• Design, build, and maintain scalable backend services for the exchange.
• Develop distributed, low-latency transaction processing.
• Collaborate with Product, Data, Trading Ops, and Engineering teams.
• Contribute to core platform architecture and performance.
• Improve observability and reliability through testing and monitoring.
• Mentor teammates and enforce engineering best practices.
• Resolve production issues and optimize system performance.

Skills

C#/.NET

Distributed systems

Concurrency

Cloud-native

Microservices

APIs

Performance

Education

Bachelor's degree in Computer Science

Tools

SQL Databases

NoSQL

Job description

DraftKings in Boston is seeking a Senior Software Engineer to build backend services for DraftKings Exchange, a new market at the intersection of technology and finance.

You will design scalable systems, work with cross-functional teams, and influence architecture while delivering low-latency, high-throughput trading capabilities. 4+ years of experience, C#/.NET, cloud-native, and distributed systems required. Base salary range 119,500–149,400 USD, with bonus and equity.