Top Senior Engineer Jobs in Chicago, IL

Design, build, and maintain scalable backend integration services (Kotlin/Python) connecting healthcare systems, ERPs, and analytics. Own API design, cloud/container deployments (GCP, Docker/K8s), data pipelines into BigQuery/Dagster, monitoring/alerting, and security/compliance (HIPAA, SOC2). Mentor junior engineers and collaborate cross-functionally to ensure reliable, secure data flows.

Lead project scoping and planning, develop test programs and special methods, manage laboratory activities and staff, liaise with clients on technical issues and compliance, prepare reports and follow-up procedures, and resolve complex engineering and scope variation issues to ensure products meet UL requirements.

As a Senior Software Engineer on the Bank Payments team, you will lead technical projects, mentor engineers, and develop scalable Java-based web services while driving innovation in North America's core banking payment systems.

Develop full-stack web applications using JavaScript frameworks and tools, maintain APIs, contribute to design systems, and collaborate on engineering efforts.

As a Site Reliability Engineer, you'll maintain the infrastructure for systems, ensure efficiency, automate processes, monitor databases, and participate in architecture discussions.

The Senior Data Engineer will design and develop data pipelines, manage data architectures, ensure data security, and mentor team members, while optimizing processes for large-scale projects.

As a Senior Staff Engineer at Braze, you will lead technical initiatives in the Channels division, ensuring effective message delivery, mentoring engineers, and enhancing architectural quality while actively contributing to software development.

Lead diverse technology projects, guide developers in full stack systems, and deliver cloud-based solutions to enhance financial empowerment for customers.

The IT Systems Engineer will manage IT operations, ensure security compliance, and oversee cloud infrastructure including AWS and DigitalOcean. Responsibilities include device management, help desk support, and implementing security policies.

The Senior Software Engineer will design and execute technical solutions, oversee projects, and lead software development while collaborating with cross-functional teams to deliver quality software for Arrive's products.

The Senior Security Engineer will manage customer identity platforms, ensuring secure authentication and access across products, while supporting integration and optimizing performance.

As a Senior Data Engineer, you'll design scalable data models, build automated ETL pipelines, and mentor junior engineers while collaborating across teams.

Lead diverse technology projects and a team of developers to create solutions for regulatory needs, mentoring engineers and driving cloud-based innovations.

Develop high-performance, low-latency trading systems for options market making, collaborating with traders and quants to enhance performance and trading infrastructure.

As a Senior Engineer on the Market Data team, you will design high-performance libraries for trading systems, ensuring fast and reliable market data delivery while collaborating with various teams.

Lead detection engineering and threat hunting across endpoint, identity, cloud, network, and SaaS environments. Design and implement high‑fidelity detections, run hypothesis-driven hunts and adversary emulation, translate findings into durable telemetry and architecture changes, and act as technical lead on high‑severity incidents. Mentor engineers and influence security strategy, roadmaps, and investments.

Lead and mentor a data engineering team to design, develop, test, and support cloud-based big data and streaming solutions. Build full-stack data pipelines using Java/Scala/Python, RDBMS/NoSQL, Redshift/Snowflake, and cloud platforms. Collaborate with product managers, perform unit tests and code reviews, and promote engineering best practices and tech community engagement.

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.

As a Senior z/OS Platform Engineer, you will enhance mainframe software systems, support infrastructure tasks, and mentor team members.

As a Senior Quality Engineer, you will lead verification and validation of medical device systems, conduct risk assessments, and ensure regulatory compliance, particularly in relation to FDA and quality control standards while collaborating with cross-functional teams.

Design, build, and maintain scalable batch and real-time data pipelines and data lake architecture. Improve observability and SLOs, optimize ETL/ELT, develop dbt workflows, support event-driven architectures, integrate financial APIs, and collaborate with analytics and ML teams to deliver reliable, model-ready data products.

Provide DevOps tool administration and SME support for Cat Digital development teams. Build, optimize, and troubleshoot CI/CD pipelines and cloud infrastructure using IaC, collaborate on DevOps standards, assist with cloud services (IAM, networking), and support simulation/digital twin build environments.

Lead the development of innovative AI solutions, guide teams through complex challenges, and collaborate with diverse stakeholders to enhance operational effectiveness and achieve strategic objectives.

As a Senior Associate in Data Engineering at PwC, you will design and implement data architecture strategies, analyze complex issues, mentor junior members, and build client relationships while ensuring adherence to project standards.

Lead the creation of innovative AI solutions for healthcare systems, serve as a trusted advisor, foster collaboration, and drive operational excellence while managing complex challenges in healthcare AI.