Top Senior Level Software Software Engineer Jobs in Chicago, IL

Build and optimize low-latency C++ systems for market data processing, exchange connectivity, and order execution. Analyze performance across application, memory, CPU, networking, and operating-system layers. Collaborate with traders, FPGA engineers, and infrastructure teams, while owning production systems through design, testing, deployment, and real-time support.

Leads software engineering teams building AI-enabled developer tooling, governed agent platforms, self-healing production agents, and internal builder workflows. Owns platform strategy, roadmap, architecture, observability, identity and access models, cost governance, operational metrics, and executive reporting. Requires production experience with LLM or agent systems, internal developer platforms, MCP architectures, cloud platforms, CI/CD, OpenTelemetry, and non-human identity models.

Build and maintain MongoDB’s distributed database infrastructure for cluster scalability. Design data partitioning, data movement, dynamic scaling, workload execution, and resilient distributed protocols. Solve complex performance and low-latency systems problems, contribute production-quality C++ code, participate in design and code reviews, lead new feature development, and mentor engineers.

Senior Software Engineer for the Orders team, developing and supporting scalable systems powering a ticket marketplace. Responsibilities include designing backend and web solutions, improving system architecture, conducting experiments, collaborating cross-functionally, maintaining software development best practices, using observability tools, and mentoring engineers through pairing, code reviews, and technical presentations.

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.

Own the architectural foundation and user experience of LogicGate’s enterprise Risk Cloud platform. Design scalable TypeScript and Angular components, implement comprehensive automated testing, integrate AI capabilities, optimize performance and accessibility, monitor applications with observability tools, and mentor engineers. Collaborate with product, design, QA, and backend teams in an Agile environment while documenting technical standards and specifications.

Design and execute software usability tests, run test scenarios, and prepare reports on test effectiveness. Role requires a Bachelor’s in Computer Science/Engineering (or equivalent) and 7+ years building, architecting, and troubleshooting large-scale infrastructure with a focus on reliability and scalability.

Lead a team of 4–5 engineers building and operating a cloud-scale SaaS document management platform. Responsibilities include people development, architecture, technical decision-making, AI-native software development, partner collaboration, roadmap execution, and engineering best practices such as CI/CD, testing, code reviews, documentation, and observability.

As a Senior Software Engineer, you'll lead high-impact projects, own the full lifecycle of software development, mentor engineers, and collaborate cross-functionally to enhance systems and customer experiences.

The Senior Software Engineer will design and maintain backend systems, lead AI-assisted development, and collaborate with cross-functional teams. They will own projects and make architectural decisions while mentoring peers.