Top Senior Software Engineer Jobs in Chicago, IL

As a Senior Solutions Engineer, you'll guide partners in integrating NinjaTrader APIs, troubleshoot complex API issues, and collaborate with teams to improve trading systems and support 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.

The Senior Software Engineer will lead the development of ML products, overseeing projects, mentoring juniors, and ensuring software quality while collaborating with cross-functional teams.

Design, develop, and optimize high-quality video advertising systems, leveraging AWS and Kubernetes. Mentor junior engineers and ensure robust infrastructure performance.

Lead software projects and a team of developers, build cloud-based solutions, collaborate with product managers, and mentor engineers.

Lead Software Engineer at Capital One responsible for leading diverse technology projects, mentoring developers, and delivering cloud-based solutions. Requires strong experience in full-stack development and cloud computing.

Join a core engineering team to design, build, and support proprietary trading systems on an evening shift. Responsibilities include full-stack development, system stewardship, collaborating with global teams (Budapest), testing (manual and automated), performance optimization, and rapid production troubleshooting to ensure 24-hour trading continuity.

As a Senior Lead Software Engineer, you'll lead technology projects, collaborate with product managers, and mentor developers to create cloud-based solutions while utilizing various programming languages and tools.

As a Lead Software Engineer at Capital One, you'll lead technology projects, mentor developers, stay up-to-date on tech trends, and deliver cloud-based solutions.

The Software Engineer will develop, integrate, and maintain software solutions in telecommunications and networking, focusing on cybersecurity and collaboration with various teams.

Design, implement, and maintain scalable serverless backend services and responsive Next.js front-end components. Build data scrapers and integrations, improve CI/CD and IaC, mentor junior engineers, and collaborate with product and clients to solve complex compliance problems.

The Senior Software Developer oversees a team, manages software development processes, implements methodologies, and mentors junior developers, while ensuring high-quality enterprise-grade software delivery.

Design, build, and own scalable microservices and secure APIs that transfer value across blockchain and banking protocols. Extend in-house blockchain infrastructure, integrate with banks and cloud services, troubleshoot production issues, document system and testing procedures, and collaborate with product and engineering teams to deliver reliable payment experiences.

The Principal Software Engineer will design and optimize backend applications/services, improve payment integration, and oversee code quality within AWS.

Design and build omnichannel advertising systems, integrate team capabilities, mentor engineers, and handle end-to-end project ownership.

The Senior iOS Engineer will lead engineering decisions, enhance the iOS app, and collaborate in product development, focusing on user experience and speed in a remote fast-paced environment.

The Software Engineer will manage data collection for model training, improve cloud infrastructure on GCP, and collaborate with data scientists to enhance dataset quality and scale.

The Senior iOS Engineer will lead product decisions, ship production code, maintain architecture, and shape the product roadmap in a fast-paced startup.

Architect and build microservices using Node.js and Rust, work with cross-functional teams to deliver quality customer-focused features, and improve agile processes.

As a Senior Engineer on the Frontend Infrastructure & Experience team at Braze, you will design and build foundational frontend systems, lead projects, improve developer experience, and create polished customer-facing product experiences.

Design, build, and launch scalable payment platform features end-to-end. Contribute hands-on to APIs and tooling, improve platform robustness, collaborate across teams and time zones, and deliver high-performance, production-ready code.

Design, develop, and deploy Java applications. Participate in system design, code reviews, and troubleshoot production issues while using best coding practices.

Responsible for designing, developing, and deploying Java/J2EE applications. Participate in code reviews, troubleshoot production issues, and document software artifacts.

Design, develop, and deploy Java/J2EE applications and modules; participate in system design, document requirements, and troubleshoot production issues.

Lead design, development, testing and deployment of backend RESTful APIs and microservices on an AWS-hosted platform. Provide technical leadership, mentor developers, perform code reviews, resolve complex technical issues, and drive delivery of business features within cross-functional Agile teams.