Top Backend Engineer Jobs in Chicago, IL

Define technical direction and architect systems for high-performance, scalable infrastructure. Mentor engineers and drive architectural decisions. Manage large-scale data ingestion and retrieval.

The Staff Backend Engineer will lead the Gatekeeper system, focusing on performance, reliability, and operations while collaborating with service teams to enhance overall system durability and security.

The Staff Backend Engineer will architect high-throughput streaming systems, define technical direction, mentor engineers, and solve complex problems for Helius' core products.

The Staff Backend Engineer will design and scale core systems for a B2B SaaS platform, focusing on backend architecture, reliability, and AI-assisted engineering workflows.

The Backend Engineer will architect and optimize execution and matching infrastructure for low-latency trading systems, focusing on performance with a strong systems background.

As a Backend Engineer, you'll design and implement systems for decentralized applications, enhance scalability, and collaborate with the team.

The Lead Software Engineer will develop automated testing capabilities for Capital One's applications, manage test execution, and lead diverse technology projects. The role requires collaboration with product teams and implementing cloud-based solutions while mentoring team members.

The Senior Backend Engineer II will design, build, and maintain backend services for financial workflows, collaborating with product and engineering teams to enhance system reliability and performance.

The Backend Developer will design and implement scalable applications, maintain cloud services, ensure security best practices, and collaborate on new features.

Drive technical strategy and architecture, lead cross-functional projects, ensure system reliability and performance, mentor engineers, improve operational practices, and communicate effectively across teams.

As a Senior Backend Engineer, you will design and maintain backend services, integrate healthcare systems, and mentor junior engineers. Your role involves ensuring data security and reliability while collaborating across teams on API design and cloud deployment.

As a Software Engineer, you'll design, build, and maintain IAM solutions, ensuring security and reliability while working with cloud computing standards.

The Lead Engineer will design and manage scalable web applications and collaborate with cross-functional teams to implement high-quality software for BigFuture. Responsibilities include architecture definition, mentoring, and leading Agile ceremonies while exploring technologies like AI.

Seeking a Software Engineer to build scalable applications for ETF operations, automate data validation, and integrate diverse financial data sources.

Design and implement on-chain minting and cross-chain liquidity systems, build scalable REST/GraphQL backends, deploy multi-region cloud services with CI/CD and containerization, implement monitoring and alerting, mentor engineers, support partners, and deliver DeFi-focused features with strong documentation.

Own and enhance a large section of the API platform: lead technical direction, design and build API decisioning products, write automated tests, troubleshoot/resolve production issues, ensure SLAs and participate in on-call rotations, and collaborate with product, security, and engineering teams.

As a Senior Software Engineer, you will enhance data pipelines, integrate with EHR systems, and mentor fellow engineers while ensuring scalable and reliable solutions for health technology.

Design and implement secure, scalable backend services for voice agents, integrate AI models and telephony, improve inference, debug concurrent systems, and collaborate with Product to deliver features end-to-end.

Lead the design and implementation of backend services for data cataloging and ML training systems, focusing on performance and scalability.

The Back End Engineer will maintain and enhance various projects, work with product and engineering teams, design REST APIs, and handle cloud technologies while contributing to the vision of Barstool Sports.

As a Sr. Software Engineer, you will design and develop backend services, APIs, and infrastructure for broker integrations, collaborating closely with cross-functional teams.

As a Backend Engineer, you will own end-to-end backend systems, build reliable APIs on Node and AWS, and implement scalable architectures. You will be responsible for high-quality production code delivery, establish best practices, and interface with product teams to enhance financial product performance.

Nango is hiring Senior and Staff Backend Engineers to design, build, and optimize backend systems and APIs, collaborating with customers and driving product strategy.

Lead and oversee full stack applications for Yahoo Search, ensuring architectural integrity and code quality while mentoring engineers and collaborating with cross-functional teams.

As a Staff Back End Engineer, you'll lead engineering best practices, mentor others, and build scalable applications and data pipelines while solving complex problems.