1,406 software developer jobs at 531 companies in Peotone, IL
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Software Engineer
Naperville, Illinois, United States
RemoteFull Time
AmpliFI Loyalty Solutions: Provides cloud-based loyalty solutions for financial institutions.
3+ YOEMaster's degree in Computer Science or Software Engineering with three years of related software development experience; design, cloud-native architectures, Java backend, AWS, databases, and containerization.
CaterpillarNYSE: CAT: Manufactures construction and mining equipment, engines, and gas turbines.
0+ YOEBachelor’s degree or higher in computer science, software engineering, or related field preferred; 0–2 years relevant experience, GPA 3.0 minimum, and skills in software development, testing, integration, and architecture.
Java, JavaScript, Python, Spring Boot, React, SQL, API, Cloud Platforms, Generative AI
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
0+ YOEDesign, develop, test, and deploy web, mobile, and cloud software; bachelor’s degree preferred; 0-2 years relevant experience; knowledge of SDLC, software integration, architecture, testing, and strong communication and critical thinking.
Warrior Insurance Network: Provides auto insurance and management services for member carriers.
5+ YOE5+ years professional software development experience; strong C#, .NET, React skills; proficiency with Git, CI/CD, automated testing, AI-assisted development tools; bachelor's in CS/engineering or equivalent.
C#, .NET, React, Git, CI/CD, Microsoft Azure, AWS, Claude Code, Codex, GitHub Copilot, SQL, REST APIs
3+ YOEBS in Engineering/IT or equivalent, 3+ years software development, experience with TypeScript/JavaScript, Node.js/Express.js/NestJS or React, REST APIs (JSON/XML), agile methodologies, and collaboration tools.
TypeScript, JavaScript, Node.js, Express.js, NestJS, React, JSON, XML, Microsoft Azure DevOps, JIRA, Microsoft Teams, Postman, Microsoft SQL Server, Flutter, Azure, AWS
Preferred Risk Insurance Services: Provides professional management services for the insurance industry.
5+ YOE5+ years professional software development experience; advanced proficiency with C#, .NET, React; Git; CI/CD and automated testing experience; bachelor's in CS/Engineering or equivalent.
C#, .NET, React, Git, Microsoft Azure, AWS, Claude Code, Codex, GitHub Copilot, SQL
Supernova Technology: Provides cloud-based digital software for securities-based lending.
3+ YOE3+ years software development; proficiency in Java and Python; experience with Spring Boot, RESTful APIs, microservices, Docker, Kubernetes, CI/CD, Git, and cloud platforms (AWS/Azure). Strong communication and production ops skills.
Java, Spring Boot, AWS, Python, Git, Docker, Kubernetes, CI/CD, Azure
Publicis GroupeEuronext Paris: PUB: Global advertising and digital transformation agency holding.
3+ YOE3+ years software development in distributed environments; proficient in Scala, Python or Java; experience with Apache Spark, Hadoop, Hive; experience with cloud platforms (AWS, Azure, GCP, Databricks); BA/BS in CS or related field preferred.
Grand Rapids or Denver or Chicago or Massachusetts or New Hampshire or New York or North Carolina or Oregon or Texas or Utah or Vermont or Virginia or United States or Canada
$120k-$160k/yrRemoteFull Time
Campspot: Software for booking and managing campgrounds and RV parks.
3+ YOE3+ years professional software development; experience with Claude Code and Anthropic API; strong TypeScript and React; knowledge of prompt engineering, REST APIs, async patterns; ability to review AI-generated code and write tests.
Claude Code, Anthropic API, TypeScript, React, REST APIs
JLLNYSE: JLL: Global commercial real estate and investment management services.
Proven software engineering experience with AI agents and full-stack development, architecture ownership, cloud platform experience, and strong communication skills.
Claude Code, GitHub Copilot, AWS Agent Core, Azure AI Foundry, Google Vertex AI Agents, Model Context Protocol (MCP), LangChain, LangGraph, AutoGen, CrewAI, Semantic Kernel, Python, React, Vue.js, Angular, AWS, Azure, GCP, Pinecone, Weaviate, pgvector, LangSmith, Arize, Weights & Biases, Docker, Kubernetes, GitHub Actions
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
8+ YOE8+ years software development experience; expertise in Java/Python/C#/Go, full-stack frameworks, cloud platforms, databases, CI/CD, and AI-assisted development; BS in CS/Engineering or related required.
Java, Python, C#, Go, Angular, React, Node.js, RESTful APIs, AWS, GCP, Azure, SQL Server, Snowflake, PostgreSQL, Oracle, MongoDB, CI/CD, GitHub Copilot, Microsoft Copilot, Copilot Studio, Azure AI Foundry, Google Vertex AI, GCP Agent Development Kit (ADK)
The Joint Commission: Accredits and certifies US healthcare organizations to ensure quality.
5+ YOEBS in CS or related field or equivalent; 5+ yrs distributed multi-tier software development; strong comms; lead experience; proficient in C#/NET, HTML/JS; SQL Server; API development; Agile; OOP/SOLID.
C#/.NET, HTML, JavaScript, jQuery, Angular 2+, Microsoft SQL Server, Entity Framework, API development, Git, TFVC, Visual Studio, Azure, AWS, Azure DevOps, N Telerik Kendo UI, NativeScript, Xamarin, Windows UWP, OOP, SOLID
HNTB: Infrastructure design and engineering for transportation and public works
4+ YOEExperience designing and developing cloud-native, secure, and scalable software; proficiency with modern languages, CI/CD, container orchestration, and cloud platforms; 4–5+ years experience (or equivalent).
CI/CD, AWS, Microsoft Azure, Python, C#, JavaScript, Node.js, PostgreSQL, MSSQL, MongoDB, Redis, Oracle, NoSQL, EC2, Lambda, ECS, S3, EBS, RDS, DynamoDB, VPC, CloudTrail, CloudWatch, Security Hub, SAML, Microsoft Entra ID, SSO, OAuth, OpenID, Microsoft Identity, OpenIddict, KMS, TLS, IAM
SiemensXETRA: SIE: Manufactures industrial automation, infrastructure, and energy technology systems.
7+ YOEBachelor's or Master's in CS/SE/IT; 7+ years programming (Python, C++, Java, JavaScript, SQL); experience with source control, CI/CD, industrial software stacks, cloud deployment, mission-critical systems; willing to travel 20%; authorized to work in the US without sponsorship.
Ritchie Bros.NYSE: RBA: Conducts global auctions for heavy equipment and industrial assets.
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
Applied Systems: Cloud-based software for insurance agency and brokerage management.
Degree in computer science or equivalent; foundational software engineering knowledge; familiarity with cloud, CI/CD, automated testing, Agile, Jira/Confluence; eagerness to learn and grow.
Go, React, C#, Python, gRPC, SQL, REST APIs, Google Cloud Platform, Kubernetes, Terraform, Jira, Confluence, AI tools
New York City or Chicago or Atlanta or Dallas or Nashville
$73k-$174k/yrHybridFull Time
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
5+ YOE5+ years software experience with AWS, 1+ year Azure; experience in AI/ML model development (LoRA, RL), model optimization (TensorRT, quantization), CI/CD, containerization, and architecture design; bachelor's preferred.
LoRA, TensorRT, Python, Java, Golang, JavaScript, React, Angular, HTML, CSS, Docker, Kubernetes, AWS, Microsoft Azure, CI/CD, C4 Model