Backend Engineer jobs in Chicago, IL

The role involves designing and maintaining backend services for digital real-time bidding campaigns while providing technical leadership and mentorship to junior engineers. You will collaborate with stakeholders to define requirements and ensure the delivery of high-quality, scalable software solutions.

You will design, implement, and maintain low-level application architecture and custom networking components. Additionally, you will perform algorithm optimization and execute comprehensive testing to ensure system performance and reliability.

You will design, build, and maintain critical infrastructure systems while collaborating with cross-functional teams to deliver high-quality code. The role involves debugging complex production issues and participating in roadmap planning to improve system reliability and developer productivity.

The Lead Backend Engineer will focus on database modernization, performance optimization, and refactoring complex stored procedures into maintainable services. They will also lead the migration of legacy .NET codebases into clean, domain-aligned modules to ensure system scalability and stability.

Architect and develop scalable, maintainable software services while adhering to safe coding and risk mitigation practices. Lead large, complex projects end-to-end and mentor junior software engineers while collaborating with cross-functional stakeholders.

Build and evolve microservices that handle high-volume financial and transactional data for a fintech platform. Design secure APIs to connect with third-party payment processors, banks, and fintech partners.

The Software Engineer will design, develop, and maintain scalable microservices in Java to support clearing workflows such as trade processing and settlement. They are responsible for operating their own services in production, including managing metrics, logs, and traces to ensure system reliability.