Site Reliability Engineer

About the Company

Kalshi has defined a new category: prediction markets. Kalshi allows people to trade on the outcome of any events and turn any question about the future into a financial asset. Kalshi is currently the fastest growing financial market in America, with thousands of markets across politics, economics, financials, weather, tech, AI, culture and more.

Responsibilities

• Improve observability, reliability, and service availability by defining and measuring key metrics
• Build automation and systems that eliminate toil and reduce operational burden
• Collaborate with core infrastructure engineers to performance-tune and optimize cloud deployments
• Partner with product teams to minimize service disruptions and automate incident response
• Identify and analyze reliability problems across the stack, designing and implementing software for long-term improvements
• Mentor engineers and drive a culture where reliability is a core engineering value
• Write high-quality, well-tested code that supports internal and external customer needs
• Debug complex technical issues and improve system usability, operability, and diagnosability
• Review feature designs to ensure security, safety, scalability, and architectural clarity
• Participate in on-call rotations to troubleshoot and resolve urgent issues

Requirements

• 4+ years of software engineering experience
• Experience designing, building, scaling, and maintaining production services and service-oriented architectures
• Strong system design, coding, debugging, performance-tuning, and observability skills
• High-quality coding practices with strong testing discipline
• Excellent written and verbal communication skills
• Ability to think clearly under pressure and dive into any layer of the stack
• Willingness to participate in on-call rotations

Preferred Qualifications

• Experience designing highly reliable, high-throughput, low-latency systems
• Experience with Datadog
• Experience with Rust, Go, and Terraform
• Experience with AWS, GCP, or Azure
• Experience operating in regulated environments