25 backend net developer jobs at 16 companies in Illinois

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
1mo
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Lead Backend Engineer (API Architect)
Rock Island, Illinois, United States
OnsiteFull Time
CMB Regional Centers
CMB Regional Centers: Managing EB-5 investment funds for US infrastructure projects.
8+ YOERequires degree in Computer Science (or equivalent) and 8+ years software development experience; strong .NET and SQL Server skills, REST API design, API/security practices, CI/CD, testing, and stakeholder communication.
.NET, SQL Server, REST, SSRS, Power BI, CI/CD
1mo
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Senior Backend Developer/ DevSecOps Engineer
Louisville or Charlotte or Dallas or Tampa or Fort Lauderdale or Washington or Nashville or Miami or Boston or New York City or Chicago or Atlanta
$118k-$162k/yr RemoteFull Time
Humana
HumanaNYSE: HUM: Provides health insurance plans and clinical healthcare services.
4+ YOE4+ years in software engineering/DevOps; strong .NET (C#), Microsoft Azure, Terraform, Python, CI/CD (GitHub Actions, Azure DevOps), PostgreSQL, MongoDB, Docker, API design, and security/tooling experience.
.NET (C#), Microsoft Azure, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure Service Bus, Microsoft Azure DevOps (ADO), GitHub Actions, Terraform, Python, MongoDB, PostgreSQL, Databricks, ADLS Gen2, JFrog Artifactory, HashiCorp Vault, LaunchDarkly, Splunk, Docker Desktop, Postman, Checkmarx, AppScan, Cycode, GLAPI
2w
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Senior Software Engineer - Backend
Chicago, Illinois, United States
$120k-$150k/yr RemoteFull Time
Allied Benefit Systems
Allied Benefit Systems: Administers self-insured health benefit plans for employer organizations.
7+ YOE7+ years building production backend systems; expertise in C#/.NET, API design, scalable architectures, relational databases, cloud deployment; bachelor's in CS/IT or equivalent.
C#, .NET, ASP.NET Web APIs, .NET Core, Entity Framework Core, SQL Server, MySQL, Azure, AWS, GCP, Terraform, Azure DevOps
1mo
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Software Engineer (Cloud, Cross-Platform & .NET Systems)
Chicago, Illinois, United States
OnsiteFull Time
Altom Transport
Altom Transport: Specialized transportation of bulk liquid chemicals and petroleum products.
3+ YOE3+ years .NET Framework/.NET Core; Flutter (Dart) cross-platform mobile; Go or similar backend; Linux, Docker, private-cloud deployments; SQL Server; REST/GraphQL APIs; Git; experience with AI-assisted dev tools.
.NET Framework, .NET Core, Flutter, Dart, Go, Rust, Java, Linux, Docker, SQL Server, Postgres, MySQL, Node.js, Python, JavaScript, TypeScript, Cursor AI, GitHub Copilot, Git, GitHub, Bitbucket, Atlassian, REST, GraphQL, GitHub Actions, GitLab CI, Jenkins, OAuth2, SAML, JWT, Sentry, Jira, Confluence
1mo
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Senior Developer - Information Technology
Chicago, Illinois, United States
$112k-$147k/yr OnsiteFull Time
United Airlines
United AirlinesNASDAQ: UAL: Operates a global network of passenger and cargo flights.
4+ YOEBachelor's in CS or related, 4+ years software development experience, AWS services, Git, backend API development, Microsoft .NET/Core, SQL/NoSQL; legal U.S. work authorization required.
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 API Gateway, Git, Microsoft .NET Framework, Microsoft .NET Core, SQL, NoSQL, Node.js, Java, Python, Bash, PowerShell
1mo
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Chief Principal Software Engineer- Cloud
Greenville or Remote or Remote
$119k-$204k/yr HybridFull Time
Oshkosh
OshkoshNYSE: OSK: Manufacturer of specialty trucks, military vehicles and access equipment.
8+ YOE8+ years backend cloud software development; Azure cloud; C#/.NET; IoT/cloud data platforms; containerization; CI/CD; security and observability.
Azure, C#, NET Core, Docker, Kubernetes, Terraform, GitHub Actions, Event Grid, Event Hub, Azure Functions, CosmosDB, Redis, Azure Monitor, Application Insights
1w
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Software Developer
Starkville or California or Colorado or Illinois or Minnesota or New Jersey or New York or Oregon or Washington
$85k-$117k/yr RemoteFull Time
Syms Strategic Group
Syms Strategic Group: Provides IT and professional services to federal government agencies.
8+ YOE8+ years backend-focused software development with Java and/or Node.js, REST API design, Angular frontend experience, AWS/Azure cloud experience, Git/GitHub, testing frameworks, Public Trust eligibility, U.S. citizenship.
Java, Node.js, Angular, C#, .NET, AWS, Azure, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JIRA, Docker, ECS, EKS, JUnit, Jest, Microsoft Teams, JavaScript, TypeScript, Electronic Data Interchange X.12 (EDI)
3mo
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IT Systems Integration Developer
Chicago or Lincolnshire
$92k-$141k/yr HybridFull Time
Camping World
Camping WorldNYSE: CWH: Retailer of recreational vehicles, camping gear, and maintenance services.
5+ YOE5-10 years software development; strong backend focus; REST/SOAP APIs; SQL Server/Oracle; Git; .NET Core/C#/Java/JavaScript/PHP; APIs; Agile/Waterfall.
.NET Core, C#, JAVA, JavaScript, PHP, REST, SOAP, SQL Server, Oracle, Git, Visual Studio, NestJS, Symfony, ReactJS, Angular, Docker, Kubernetes, Jenkins, CI/CD, Confluence, Jira
2mo
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Full Stack Engineer
Chicago, Illinois, United States
$80k-$120k/yr OnsiteFull Time
University of Chicago
University of Chicago: Provides higher education and conducts academic research.
2+ YOESenior full stack engineer with backend focus in Django and .NET; strong REST API design; 2+ years experience in related role; 7+ years preferred.
Django, NET/.NET, React.js, Python, PostgreSQL, SQL Server, REST APIs, Docker, Kubernetes, AWS, Azure, Google Cloud, TypeScript, GraphQL, CI/CD, GitHub Actions
3w
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Software Engineer III – IntelliScript (Remote)
Brookfield or New York City or Alaska or California or Connecticut or Illinois or Maryland or Massachusetts or New Jersey or Pennsylvania or Virginia or Washington or District of Columbia
$105k-$199k/yr RemoteFull Time
Milliman
Milliman: Global provider of actuarial and risk management consulting services.
5+ YOE5+ years software engineering experience focused on data pipelines and backend systems; proficiency with C# (.NET), SQL, AWS, microservices, event-driven architectures, CI/CD and DevOps practices; strong problem-solving and mentoring skills.
C# (.NET), SQL, AWS, GitHub workflows, Terraform, CI/CD, DevOps, Agile/SAFe, EHR, FHIR, HL7
4w
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Engineer, Software (Downers Grove, IL, US, 60515)
Downers Grove or Chicago or Austin or Brazil or China or India or Italy or Poland or Netherlands or United Kingdom or United States
HybridFull Time
Dover
DoverNYSE: DOV: Manufactures diversified industrial equipment and engineered components globally.
3+ YOEBachelor's in CS/IT (master's preferred), 3+ years full-stack and cloud engineering, strong C#/.NET Core backend and Angular/TypeScript frontend skills, AWS and Azure experience, SQL/NoSQL, Git and CI/CD.
C#, .NET Core, Angular, TypeScript, HTML5, CSS3, AWS, Azure, PostgreSQL, SQL Server, NoSQL, Git, AWS Code Pipeline, Azure DevOps, MikroTik, MikroTik RouterOS
1mo
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Full Stack Staff Software Engineer — AI-Augmented Development
Charlotte or Hartford or Columbus or Chicago
$116k-$174k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
10+ YOE10+ years software engineering experience, 5+ years tech lead experience; Bachelor’s in CS or related (or equiv. experience); expertise in frontend and backend stacks, cloud (AWS/GCP), CI/CD, databases, APIs, and AI-augmented development tools.
React, Angular, Vue.js, TypeScript, HTML5, CSS3, Java, Spring Boot, Node.js, Express, Python, FastAPI, Django, .NET, RESTful APIs, GraphQL, gRPC, AWS, GCP, AWS Bedrock, GCP Vertex, Vertex Studio, Docker, Kubernetes, Jenkins, GitHub Actions, GitLab CI, SQL, NoSQL, PostgreSQL, MongoDB, DynamoDB, Redis, Kafka, RabbitMQ, GitHub Copilot, Cursor, Claude Opus, OpenAI, Anthropic, LangChain, Semantic Kernel, AutoGen, CrewAI
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
Crate and Barrel
Crate and Barrel: Retails furniture, kitchenware, and home decor products.
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#
1w
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Technology Engineer II – Platform & Full Stack Engineering
North Chicago, Illinois, United States
$110k-$209k/yr HybridFull Time
AbbVie
AbbVieNYSE: ABBV: Develops and sells innovative pharmaceutical and biopharmaceutical medicines.
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
1w
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Sr. Software Engineer, Platform
Alabama or Arizona or California or Colorado or Connecticut or Florida or Georgia or Idaho or Illinois or Indiana or Iowa or Kansas or Louisiana or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Mississippi or North Carolina or Nebraska or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or Wyoming
$120k-$150k/yr RemoteFull Time
Storable
Storable: Provides technology platform for storage and specialty real estate operators.
6+ YOE6+ years building backend services in SaaS; experience with C# .NET or Node.js/TypeScript, Postgres/MySQL, Redis, AWS, CI/CD, observability, and production engineering; US work authorization required.
C# .NET, Node.js, TypeScript, Postgres, MySQL, Redis, AWS, CI/CD, Greenhouse
3w
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Escalation Engineer (Ref#IM0426)
Chicago, Illinois, United States
HybridFull Time
Albi
Albi: Provides business management software for the restoration industry.
Bachelor's degree in CS or related; experience/coursework in advanced troubleshooting, debugging, deployment, incident management; backend C#, .NET Core/MVC, Python; frontend React, JavaScript; SQL Server/T-SQL/JSON; Azure/AWS; Docker/Kubernetes; API design (RESTful, Webhooks).
C#, .NET Core/MVC, Python, React, JavaScript, SQL Server, T-SQL, JSON, Azure, AWS, Docker, Kubernetes, RESTful, Webhooks