Top Backend Engineer Jobs in Chicago, IL

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

Seeking a Back-End Developer to design, develop, and maintain server-side applications, particularly CRM software solutions in a collaborative remote environment.

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

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.

Lead design, build, and maintenance of scalable, secure blockchain participation and custody infrastructure. Improve automation, monitoring, incident response, and observability; debug distributed protocols; inform leadership strategy; scope product opportunities; and support on-call reliability and deployment automation.

As a Backend Engineer, you will design, build, and test code for Stripe's infrastructures, improving reliability and developer productivity. You'll collaborate with teams, prioritize roadmaps, and solve production issues.

Design, develop, and maintain high-performance Scala/Java server-side applications and RESTful APIs. Work on distributed systems, ensure data integrity and security, write unit tests, optimize performance, participate in design reviews, and mentor junior engineers while supporting CMS mission requirements.

The Senior Software Engineer will design and develop scalable applications, enhance DevOps practices, and drive continuous improvement within infrastructure and systems.

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

Lead technical strategy and hands-on engineering for Airbnb's AI-powered ads growth engine. Architect scalable systems for creative generation, bidding, budget optimization, and audience management across paid channels. Write and review code, set standards for availability and quality, collaborate with Marketing/Product/ML teams, roll out staged automation, and mentor engineers to advance platform autonomy while ensuring brand safety and human-in-the-loop controls.

Design, build, and maintain backend services and APIs in Go; optimize PostgreSQL schemas and queries; create reliable integrations and orchestration layers; implement observability and security best practices; collaborate across engineering and product to improve developer experience and operate a SaaS platform.

Build and maintain Go-based backend services and REST APIs, design and optimize PostgreSQL schemas/queries, implement observability and security best practices, integrate with third-party systems, and improve developer experience for a SaaS cybersecurity platform.

Build, maintain, and enhance backend systems and APIs for high-traffic products. Collaborate with product and engineering, design REST APIs, work with cloud infrastructure (AWS/GCP), databases, testing, and Serverless/IaC to support cross-platform media experiences.

Design, build, and maintain scalable Java Spring Boot microservices and REST APIs. Deploy and operate cloud-native applications on GCP, implement CI/CD, optimize performance and databases, ensure security and reliability, collaborate with cross-functional teams, and troubleshoot production issues.

Build and maintain Java Spring Boot microservices and serverless functions. Design RESTful APIs, integrate with Vue.js front-end, write unit tests (JUnit/Mockito), deploy containerized apps to AWS EKS and Lambda, and maintain CI/CD pipelines for reliable releases.

Design, build, and scale high-performance Java/Spring Boot microservices and event-driven systems using Apache Kafka. Develop secure REST APIs, deploy containerized apps on AWS EKS, integrate with AWS services, and ensure quality via testing, performance tuning, and CI/CD.

Design, build, and maintain scalable backend services using Java (Spring) and Python (FastAPI/Django). Implement REST/GraphQL APIs, manage SQL and NoSQL databases, develop microservices, ensure security (OAuth2/JWT), write tests (JUnit/pytest), optimize performance, and collaborate with frontend and DevOps teams in Agile.

Design and build backend solutions in the NAV domain using Java/J2EE and Spring. Develop APIs, web services, database schemas, PL/SQL and transactional SQL in DB2/Oracle. Collaborate with tech leads, architects, and DevOps to deliver quality features, participate in code reviews, testing, and CI/CD pipelines.

Design, build, and maintain scalable backend services in Java and Python. Implement RESTful/GraphQL APIs, optimize SQL/NoSQL databases, develop microservices, enforce security (OAuth2/JWT), write unit/integration tests, optimize performance, and collaborate with frontend and DevOps teams in Agile processes.

Design, build, and maintain scalable backend services in Java (Spring) and Python (Django/FastAPI). Implement REST/GraphQL APIs, optimize SQL and NoSQL databases, develop microservices, ensure security (OAuth2/JWT), write tests, improve performance, and collaborate with frontend and DevOps teams in Agile processes.

Design, build, and lead backend Java/J2EE and microservices solutions. Drive API design, cloud containerization (Docker/Kubernetes), CI/CD, database schema and PL/SQL development (DB2/Oracle), code quality, technical mentoring, and cross-team delivery for asset management initiatives.

Design and implement backend services using Java and Spring Boot, deploy to GCP/GKE, work with distributed systems (Spanner, Kafka), optimize complex SQL/PLSQL, build CI/CD pipelines (GitHub Actions, Argo CD), ensure reliability, and provide technical leadership and mentoring.

Design, develop, and maintain scalable Java backend services and RESTful APIs. Collaborate with frontend, product, and stakeholders; write clean, tested code; troubleshoot and resolve issues; participate in code reviews; and improve systems, particularly for large-scale distributed environments.

Design and build backend solutions following architecture and best practices. Develop APIs, web services, database schemas, PL/SQL/stored procedures (DB2/Oracle). Collaborate with senior engineers, participate in code reviews, testing, and coordinate technical delivery across teams. Support CI/CD and improve code quality.

Seeking backend engineers to build and maintain APIs for payment processing, collaborating with cross-functional teams and mentoring peers.