Top Engineering Jobs in Chicago, IL

Own end-to-end quality for a web trading product squad by defining test strategies, building Playwright automation in TypeScript or JavaScript, integrating tests into CI/CD, and improving test reliability. Partner with engineers and product managers on testability, architecture, and acceptance criteria. Perform exploratory testing, apply AI-assisted QA tools, maintain shared frameworks, and mentor junior QA team members.

Architects and optimizes high-volume database platforms supporting trading applications. Responsibilities include MySQL schema design, SQL and query optimization, migrations, scalability, reliability, observability, production issue resolution, developer tooling, and database architecture. The role partners with engineering and platform teams, leads technical initiatives, establishes database best practices, mentors engineers, and uses Google Cloud services to improve performance, resilience, and operational efficiency.

The Staff Software Engineer will lead the architecture of the FCM platform, ensuring financial correctness and system integrity, while modernizing systems and improving operational tooling.

Design, evolve, and optimize Scala-based, low-latency trading services. Lead architecture for scalability and performance, tune JVM/Akka systems, enhance observability, ensure security and regulatory compliance, and mentor junior engineers while collaborating cross-functionally to support 24x7 high-volume trading.

Design, build, deploy, and operate Node.js and TypeScript backend services supporting account onboarding, identity verification, agreements, and funding. Own event-driven workflows, asynchronous processing, job orchestration, integrations, reliability, monitoring, and operational tooling. Develop scalable services on Google Cloud Platform and Kubernetes, support expansion into new markets, coordinate technical direction, and mentor engineers. Ensure correctness through idempotency, retries, reconciliation, and resilient handling of partial failures.

Design, build, and operate Rust services for account creation, identity verification, KYC/CIP decisioning, and asynchronous outcome delivery. Develop provider integrations, testable decision logic, secure PII workflows, policy-driven market configurations, and reliable cloud-native architecture using GCP and Kubernetes. Lead technical design reviews, establish cross-team contracts, respond to incidents, and mentor engineers while improving onboarding approval rates and time-to-funding.

Lead the SRE function for NinjaTrader’s trading platform, ensuring availability, scalability, performance, and 99.95% uptime. Responsibilities include managing Kubernetes services, resolving production incidents, participating in a 12x7 on-call rotation, automating deployments and operational tasks, designing monitoring and alerting systems, establishing SLIs/SLOs, using Terraform for infrastructure automation, and implementing cloud security and compliance practices. The role also mentors engineers and collaborates cross-functionally on reliable platform delivery.

Design, implement, and support low-latency exchange connectivity components including market data handlers, order gateways, and reference data processors. Build APIs (REST/WebSocket/event bus), collaborate with OMS/FCM/infrastructure teams, and optimize for high throughput, fault tolerance, and observability in production trading systems.

Serve as the senior technical lead for partner integrations with NinjaTrader APIs. Troubleshoot and resolve complex API and real-time data issues, collaborate with partner engineering and Technical Account Managers, conduct code reviews, build diagnostic tools, set API support quality standards, mentor junior engineers, and translate partner feedback into roadmap improvements.

Design, build, and maintain Scala-based backend services for evaluation, risk, and trading workloads (real-time auto-liquidation, account state, post-trade). Own end-to-end features, evolve actor-based systems (Akka/Pekko), design Postgres schemas (JSONB), diagnose production incidents, drive code quality, collaborate with cross-functional teams, mentor juniors, and contribute to architecture and modernization decisions.