Senior Site Reliability Engineer
Permanent - Full TimeJob Overview
Trading Technologies builds professional trading software, infrastructure, and data solutions for a diverse community of professional traders and market participants. With over 500+ employees across Chicago, New York, London, Singapore, India, Japan, Australia and beyond, TT powers some of the world’s most sophisticated trading operations with low-latency, highly reliable technology.
The Senior Site Reliability Engineer (SRE) is a development-first role focused on coding, automation, and platform stability. The ideal candidate is a skilled software developer who values a balance between building new tools and maintaining operational excellence. To ensure this balance, we adhere to the following 4 week rotation: 3 weeks pure development cycle, 1 week dispatch cycle responding to alerts and mitigating production issues.
The Senior Site Reliability Engineer (SRE) is a development-first role focused on coding, automation, and platform stability. The ideal candidate is a skilled software developer who values a balance between building new tools and maintaining operational excellence. To ensure this balance, we adhere to the following 4 week rotation: 3 weeks pure development cycle, 1 week dispatch cycle responding to alerts and mitigating production issues.
What you’ll be doing
Platform Reliability & Automation
- Design, build, and maintain advanced telemetry and automation tooling to monitor global platform health and trigger automated corrective actions.
- Own and improve incident response runbooks and automated remediation workflows, reducing MTTR over time.
- Participate in on-call rotations, diagnosing and resolving system issues and escalations from the customer support team (this is an internal-facing role, not customer-facing).
- Drive continuous improvement through post-incident reviews (PIRs) and engineering initiatives that eliminate classes of failure.
Software Development
- Develop advanced monitoring software in python and GoLang.
- Contribute to full-stack troubleshooting across our React.js frontend, Python backend services (Flask, Litestar, Celery), and AWS-managed Kafka (MSK/ESK).
- Write infrastructure-as-code using Terraform, building reusable modules and submodules to provision and manage cloud resources.
Key Responsibilities
- Development Cycle (3 Weeks): Focus on coding advanced telemetry, implementing automation strategies, and building tools that proactively monitor platform health.
- Operations Cycle (1 Week): Rotate into an operational role to swiftly diagnose system issues and handle internal escalations, ensuring continuous platform stability.
- Continuous Improvement: Use insights gained during the operations week to develop automated solutions that reduce future incidents and optimize system performance.
Skills, Knowledge and Expertise
Essential Skills & Experience
Software Development
- Extensive professional Python development experience, including object-oriented design and multi-threaded applications.
- Substantial hands-on Terraform experience—able to author modules and submodules from scratch.
- Experience building or supporting React.js applications.
Cloud & Infrastructure
- Substantial hands-on AWS experience across EC2, Lambda, CloudWatch, EKS, ECS, MSK, ELB, RDS, DynamoDB, and SQS.
- Solid Linux systems experience, including monitoring critical system health parameters.
Desirable Skills & Experience
- Familiarity with trading systems, financial markets, or low-latency environments
- AWS Associate-level certification or higher (preferred but not required).
- Experience with chaos engineering, SLO/SLI frameworks, or formal reliability programs.
- Prior on-call experience at a high-traffic or mission-critical platform.
- Working understanding of TCP/IP, DNS, HTTP, and load balancing concepts
- Experience with Golang, or a clear eagerness and ability to learn it quickly.