API Engineer Jobs in Chicago, IL

Innovate backend solutions by designing, building, and maintaining scalable services for external pentesting. Collaborate across teams to enhance user experience and ensure system performance, reliabi...

Join a team that's dedicated to enhancing application services in cloud environments. You'll install and upgrade applications while collaborating with experts to ensure optimal performance and support...

Partner with us to integrate new firms into our IT environment, managing Microsoft 365 migrations and Active Directory consolidations while collaborating with cross-functional teams to ensure seamless...

Lead the development and execution of innovative banking technology solutions. Collaborate with stakeholders to design scalable, compliant applications while mentoring junior team members across diver...

Create robust, scalable solutions that enhance user experiences for bank administrators and customers. Lead the charge in system design and architecture while guiding and mentoring peers to elevate co...

Elevate your career by driving data engineering excellence in Palantir Foundry, transforming legacy systems into robust pipelines and applications while collaborating with cross-functional teams to de...

Empower your career by designing and delivering scalable software solutions in a dynamic environment. Collaborate with cross-functional teams to enhance healthcare supply chain products using modern t...

Deliver innovative real-time systems that enhance financial integrity across all transactions, ensuring operational excellence and accuracy by collaborating with various teams to enforce robust financ...

Champion the development of robust data ingestion pipelines, transforming pentest results into actionable insights. Collaborate with cross-functional teams to ensure seamless data flow and operational...

Join a team that's transforming Finance workflows through innovative automation. Collaborate with experts to develop AI-driven solutions, enhancing operational efficiency while empowering teams to tak...

Join a team that's building a cutting-edge Client Performance Portal. Lead the architecture and integration of client-facing solutions, ensuring seamless data access and compliance while driving full...

Elevate your career as a Staff Software Engineer, leading full-stack development in a dynamic team. Design, build, and support healthcare applications while ensuring data security and compliance in a...

Drive scalable data architecture by designing robust operational systems, balancing streaming and batch processing. Collaborate with founders and engineers to enhance real-time insights and drive impa...

Innovate as you guide Fortune 500 clients in leveraging AI solutions. Collaborate with sales teams, deliver dynamic presentations, and serve as trusted technical advisor to modernize legacy systems an...

Join a team that's shaping the future of financial systems by owning backend services for secure fund movement across fiat and crypto. Drive technical direction, mentor engineers, and enhance system r...

Join a dynamic team as you lead the design and development of complex software systems. Drive technical direction, mentor peers, and ensure high-quality, scalable solutions that align with business go...

Optimize user experiences by crafting seamless flows, building APIs, and integrating third-party software. Collaborate with teams to design robust systems and deliver elegant solutions while ensuring...

Unlock the potential of data by developing and optimizing pipelines, ensuring integrity during migrations, and collaborating with teams to enhance reporting and visualization efforts in a dynamic envi...

Contribute to the development of a robust Kubernetes control plane, enhancing multi-cloud infrastructure and driving scalable architecture for enterprise-grade cloud services...

Lead the charge in architecting scalable payment systems that process billions in transactions. Collaborate cross-functionally to ensure reliability and compliance while mentoring engineers to elevate...

Elevate your career by designing and maintaining advanced IT infrastructure platforms, ensuring reliability and security. Collaborate with teams to optimize solutions, automate processes, and enhance...

Engineer robust backend systems for financial applications, tackling payments, fraud detection, and compliance. Collaborate with a skilled team to design, build, and optimize features, ensuring reliab...

Elevate your career by joining a dynamic team as a Data Engineer, owning end-to-end data systems and driving platform modernization. You'll improve data reliability and work closely with cross-functio...

Drive the evolution of Stripe's authentication stack as a Backend Engineer, enhancing security and scalability while collaborating with teams to deliver innovative IAM solutions supporting enterprise...

Architect high-quality software solutions, leading complex projects and mentoring junior engineers while ensuring efficient, scalable, and secure development practices across distributed systems...