18 senior backend developer jobs at 13 companies in Union, IL
2d
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Senior Backend Software Engineer - Cloud (55446)
Vernon Hills, Illinois, United States
$108k-$126k/yr HybridFull Time
8+ YOE8+ years professional software development experience with C#/.NET, backend systems, APIs, integrations, relational and NoSQL databases, cloud-native solutions and production support.
C#, .NET, PostgreSQL, RavenDB, SQL Server, Microsoft Azure, Azure Functions, App Services, Azure SQL, Storage, Key Vault, Service Bus
1w
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Senior Manager, Software Engineering, Back End (Global Payment Network)
Riverwoods, Illinois, United States
$209k-$239k/yr OnsiteFull Time
6+ YOE4+ MgmtBachelor's degree,6+ years software engineering experience,1+ year cloud experience,4+ years people management,proficiency in Java/Python/SQL/Node/Go/Scala,experience with Docker,Kubernetes and AWS/GCP/Azure.
Java, Python, SQL, Node, Go, Scala, Open Source RDBMS, NoSQL, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud
3w
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Senior Developer - IT
Arlington Heights, Illinois, United States
$112k-$147k/yr OnsiteFull Time
4+ YOEBachelor's in CS/CE/EE/MIS,4+ years software development experience, AWS and backend API experience (Java/Node/Python), CI/CD, Kubernetes, Git, cloud platforms, Agile, strong communication; must be authorized to work in the US.
AWS Lambda, AWS Step Functions, Amazon CloudWatch, Amazon CloudFront, Amazon Cognito, Amazon Route 53, Amazon DynamoDB, Amazon ECS, Amazon EC2, Amazon S3, Amazon RDS, Amazon RDS - Aurora Postgres, Active MQ, Secrets Manager, Parameter Store, Amazon EFS, Git, Python, Bash, PowerShell, Node.js, Java, Springboot, Angular 15, Github, Harness, Artifactory, Kubernetes, Microsoft .Net Framework, Microsoft .Net Core, SQL, NoSQL, JSON, XML, OAuth, Claude, Agentic AI, CoPilot, AWS, Azure, GCP, Jira, Confluence, Microsoft Azure DevOps
1mo
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Senior MES Developer
Hanoi or Hung Yen or Lisle
OnsiteFull Time
6+ YOE6+ years software development (4+ backend) with strong Java 17+/Spring Boot, REST API, high-concurrency transactional systems; experience with Progress/PostgreSQL, Kafka, Angular, observability, performance tuning, and CI/CD tools (Jira, GitLab).
Java 17+, Spring Boot, REST API, Progress, PostgreSQL, Kafka, Angular, TypeScript, Opcenter, Camstar, SAP, WMS, DataHub, Prometheus, Grafana, Playwright, Jira, GitLab
4w
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Senior Software Engineer
Westchester, Illinois, United States
$99k-$124k/yr RemoteFull Time
10+ YOEBachelor's in CS/IT, 10+ years software development with backend Java experience; proficiency in Python/Go, Spring Framework, cloud platforms, containerization, relational databases, CI/CD, and strong communication.
Java, Python, Go, Spring Framework, Spring Boot, Spring Data, Spring Security, MySQL, PostgreSQL, AWS, Azure, GCP, Docker, Kubernetes, React, Angular
1mo
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Senior AI Engineer
Abbott Park or United States
$99k-$199k/yr RemoteFull Time
8+ YOEBachelor's in CS/Engineering/Math (or Master's with reduced experience), 8+ years relevant experience, hands-on AI/ML model integration, strong Go backend development, distributed systems, cloud/CI/CD, SQL/PostgreSQL/SQL Server, Linux, and strong communication.
Go, SQL Server, PostgreSQL, Kubernetes, Docker, Terraform, CI/CD, MLOps, Linux
1mo
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Pampered Chef LTD - Senior Software Engineer
Addison, Illinois, United States
$125k-$135k/yr HybridFull Time
Senior full-stack engineer with strong JavaScript/TypeScript skills (React, Next.js, Angular), backend experience (Node.js, Java), AWS and Kafka familiarity, plus tooling experience (Jenkins, Bitbucket, Jira); able to lead code reviews and influence architecture.
React, Next.js, Angular, TypeScript, Node.js, Java, REST APIs, Kafka, AWS (EC2, S3, CloudFormation, Lambda), Jenkins, Bitbucket, Jira, Dynatrace, Snyk, AI-assisted development tools, Hybris
1mo
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Senior Software Engineer, Design Systems
North Chicago, Illinois, United States
$97k-$184k/yr HybridFull Time
5+ YOEExpert React and TypeScript skills, front-end design-system experience, Claude Code skills and agentic AI workflow development, Python/Node.js backend capability, Storybook/GitHub/Axe proficiency, accessibility (WCAG) and strong communication.
React, TypeScript, Python, Node.js, Storybook, GitHub, Axe, Claude Code, Figma, OutSystems, Angular, HTML, CSS, MCP
1mo
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Senior AI Engineer
Abbott Park or United States
$99k-$199k/yr RemoteFull Time
8+ YOEBachelor's in CS/Engineering/Mathematics (or related) and 8+ years (Master's +6+), strong applied AI/ML experience, Go backend engineering, cloud-native services, distributed systems, REST APIs, SQL/PostgreSQL, Linux, CI/CD, and strong communication.
Go, RESTful APIs, SQL Server, PostgreSQL, Kubernetes, Docker, Terraform, Linux, CI/CD, MLOps, message queues, vector databases
2mo
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Sr. Software Engineer
Wayne or Naperville
$120k-$135k/yr HybridFull Time
5+ YOE5–7 years backend engineering or intelligent systems with production impact; strong Python, CI/CD, and system design; experience with ML model APIs and cloud inference; familiarity with vector databases and retrieval systems.
Python, CI/CD, AWS Bedrock, Azure OpenAI, Google Vertex AI, PyTorch, Hugging Face Transformers, vLLM, FAISS, Pinecone, OpenSearch/KNN, LangChain, LlamaIndex, MLflow, Weights & Biases, Prometheus
1mo
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Senior Software Engineer, e-Commerce Fulfillment
Romeoville or United States or Michigan or Nebraska or Illinois or Nevada or New Hampshire or Tennessee or Minnesota or Texas or Connecticut or Virginia or Maine or Indiana or District of Columbia or Wisconsin or Montana or New York or Maryland or Missouri or Kansas or Utah or Pennsylvania or Washington or Colorado or Arkansas or California or New Jersey or Iowa or Louisiana or Rhode Island or Massachusetts or South Carolina or Mississippi or Kentucky or Florida or Oregon or Ohio or North Carolina or Arizona or Idaho or Georgia
RemoteFull Time
5+ YOE5+ years building high-scale backend applications and microservices; expertise in event-driven architectures, message brokers (Kafka/RabbitMQ), distributed transactions, cloud platforms, software design, testing, and mentoring.
Kafka, RabbitMQ, AWS, Azure, GCP, Java, JVM, .NET, C#
4w
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Staff Software Engineer
Westchester, Illinois, United States
$124k-$155k/yr RemoteFull Time
10+ YOEBachelor's degree, 10+ years software development experience with strong mobile (native and Flutter) and backend skills; experience with Spring, relational databases, cloud platforms, CI/CD, mentoring and technical leadership.
Swift, Kotlin, Flutter, Spring Boot, Spring Data, Spring Security, Xcode, Android Studio, MySQL, PostgreSQL, AWS, Azure, GCP, Docker, Kubernetes, Bitrise, GitHub, CircleCI, Jenkins, Mockito, Appium, Flutter integration test package
6d
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Staff Software Engineer
Chicago or Dallas
$190k-$250k/yr HybridFull Time
12+ YOE12+ years software engineering experience, expert JavaScript/TypeScript and backend languages, cloud and distributed systems experience, hands-on agentic AI/LLM experience, strong database and CI/CD knowledge.
React, Next.js, C#, Node.js, Java, REST, GraphQL, Azure, AWS, GCP, LangChain, AutoGen, Semantic Kernel, MCP, Kafka, Event Hubs, Kinesis, Docker, Kubernetes, SQL, NoSQL, CI/CD
6d
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Staff Software Engineer
Chicago or Dallas
$190k-$250k/yr HybridFull Time
12+ YOE12+ years software engineering experience; expert with JavaScript/TypeScript front-end frameworks and backend languages; strong distributed systems, microservices, cloud, database, CI/CD, and agentic AI experience.
React, Next.js, C#, Node.js, Java, REST, GraphQL, Azure, AWS, GCP, LangChain, AutoGen, Semantic Kernel, MCP, Kafka, Event Hubs, Kinesis, Docker, Kubernetes, SQL, NoSQL, CI/CD
6d
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Staff Software Engineer
Chicago or New York City
$190k-$250k/yr HybridFull Time
12+ YOE12+ years software engineering experience; expert in modern JavaScript/TypeScript frameworks and backend languages; strong distributed systems, cloud, database, CI/CD, and AI/LLM experience; proven technical leadership.
React, Next.js, C#, Node.js, Java, REST, GraphQL, Azure, AWS, GCP, LangChain, AutoGen, Semantic Kernel, MCP, Kafka, Event Hubs, Kinesis, Docker, Kubernetes, SQL, NoSQL
1w
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Software Engineer - Commerce & Integrations
Lisle, Illinois, United States
$138k-$206k/yr OnsiteFull Time
5+ YOE5+ years backend software engineering with PHP, REST APIs, relational DB design, integrations experience; 1+ year lead experience; strong communication and CI/CD familiarity.
PHP, REST API, MySQL, PostgreSQL, Azure Pipelines, Docker, Kubernetes, AKS, Copilot, Claude Code, Spryker Cloud Commerce OS, Magento, Shopware, BigCommerce, CDK, Procede, Karmak, SAP, EDI, Punchout, cXML, OCI, Azure
1mo
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Software Engineer Lead
Lisle, Illinois, United States
$112k-$168k/yr OnsiteFull Time
1+ YOEBachelor's or Master's degree or equivalent experience; 1–5+ years software engineering experience; expertise in frontend/backend languages, cloud platforms, Terraform, ML model development, and strong communication.
Terraform, Azure, AWS, GCP, TypeScript, Python, Java, C#, Ruby, React, Angular, Vue, NextJS, Tailwind, NestJS, SQLServer, Apache Lucene, Jest
2w
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Technology Engineer II – Platform & Full Stack Engineering
North Chicago, Illinois, United States
$110k-$209k/yr HybridFull Time
2+ YOEBachelor's+experience (varies by degree), CI/CD and pipeline engineering, backend and frontend development, Docker/Kubernetes, AI-assisted development tools, DevOps toolchains, observability and compliance in regulated environments.
GitHub Copilot, Claude Code, OpenAI, Git, Docker, Kubernetes, Terraform, CloudFormation, Datadog, Grafana, Splunk, OpenTelemetry, .NET, Python, React, AWS, Azure
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