Top Senior Level Software Software Engineer Jobs in Chicago, IL

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.

As a Senior Software Engineer, you will develop systems, enhance AI tooling, mentor team members, and oversee project management in a collaborative environment.

Design, implement, test, deploy, and monitor scalable backend services and high-availability processes. Lead architectural decisions, mentor junior engineers, drive feature lifecycles, improve code quality and testability, and respond to customer issues. Contribute to Agile planning and documentation across domains while addressing performance, scaling, and systemic problems.

Lead technical delivery and architecture for the Curo Medical Management Platform. Ensure release success and sprint predictability, optimize full-stack performance, design and implement AI-powered features, evaluate emerging technologies, and mentor teams while enforcing technical design standards.

Lead cross-functional teams to design, build, and deliver high-quality web, mobile, and embedded software. Provide technical direction, mentor developers, promote best practices (TDD, Agile), communicate with clients, and contribute to company technical outreach. Balance hands-on coding with architecture, team coaching, and client-facing responsibilities.

Lead teams focused on developer productivity and observability, build metrics and analytics infrastructure, and drive AI-enabled tooling to measurably improve the software development lifecycle. Partner with engineering and data stakeholders to define roadmaps, mentor engineers, and deliver measurable improvements in adoption, reliability, and developer experience.

Lead front-end design and implementation within an Agile scrum team, collaborate with product, UI/UX, middleware and infrastructure teams, mentor junior engineers, lead offshore development, maintain domain knowledge, follow coding standards, and comply with ISO 27001 security requirements.

The Senior Trading Software Engineer will optimize performance-critical code, collaborate with trading engineers, implement low-latency solutions, and enhance trading systems.

This role involves leading engineering teams, owning technical direction, and managing release cycles for a gaming platform, with hands-on coding and architectural responsibilities.

Design and extend actor-like programming notations and compiler toolchains for an event-driven graph accelerator. Implement code generation, register and locality management, data-movement optimizations, and performance profiling. Maintain and extend compiler frameworks (LLVM/GCC/MLIR) and optimize for parallelism, memory hierarchy, and specialized hardware.