294 senior software developer jobs at 135 companies in Marengo, IL
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Senior Software Engineer - Digital and Web
Naperville, Illinois, United States
$106k-$159k/yr HybridFull Time
6+ YOESenior software engineer with 6+ years of full-stack experience; Next.js/React, GraphQL, Node.js, MongoDB; Docker/Kubernetes; GA/SEO; e-commerce/subscription experience preferred.
React, Next.js, GraphQL, Node.js, MongoDB, Docker, Kubernetes, REST, WebSockets, XML, JSON, YAML, Tailwind, Bootstrap, SCSS, Google Analytics, Google Webmaster Tools, SEO
1mo
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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 Software Engineer
North Chicago, Illinois, United States
OnsiteFull Time
5+ YOEU.S. citizen able to obtain Secret clearance; Bachelor's in engineering/computer science; 5+ years software development for modeling and simulation; experience with Windows and Linux; proficiency in Assembly, C/C++, .NET, Java; CompTIA Security+ preferred.
Assembly, C, C++, Microsoft .Net, C#, VB, Java, Microsoft Windows, Windows 7, Windows 10, Windows Server 2008R2, Windows Server 2012R2, Red Hat Enterprise Linux 5, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Linux
2mo
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Senior Software Developer
Charlotte or Morrisville or Yellow Springs or Morton Grove
HybridFull Time
7+ YOE7+ years software engineering experience; strong Java and Spring Boot skills; CI/CD and SDLC practices; identity and security fundamentals (OAuth2/OIDC, JWT); experience with Keycloak/Okta/Auth0/Entra ID preferred; strong communication.
Java, Spring Boot, OAuth 2.0, OIDC, JWT, Keycloak, Okta, Auth0, Entra ID, Angular, React, PKCE, SAML 2.0, CI/CD, API gateway
1mo
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Senior Software Developer
Waukegan, Illinois, United States
$131k/yr OnsiteFull Time
3+ YOEBachelor's in CS or related plus 3 years software development; 3+ years with Java, Angular, REST, microservices, Git, JPA, SQL, JSON, SOAP, XML, CI/CD, caching, service discovery, and Spring.
Java, Angular, REST, Git, JPA, SQL, JSON, SOAP, XML, CI/CD tools, Spring
14h
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Senior Software Engineer/Full Stack Developer
Denver or Naperville
HybridFull Time
7+ YOEBachelor's degree or equivalent professional experience, 7+ years of experience, and expertise in Java, node.js, SQL, Python, web technologies, relational databases, and collaborative software development.
Java, node.js, SQL, Python, HTTP, JSON, Web Sockets, ClaudeCode, CoPilot for git, Unix, Microsoft SQL Server, PostgreSQL, Azure SQL, Oracle, DevOps
3w
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Senior Software Engineer (55220)
Vernon Hills, Illinois, United States
$108k-$127k/yr HybridFull Time
8+ YOEBachelor's in CS/Engineering,8+ years developing commercial B2B software for web/mobile/cloud/desktop,expertise with C#/.NET and Microsoft Full Stack,Azure experience,Git/DevOps,CI/CD,strong design and problem-solving skills.
C#, .NET, Microsoft Full Stack, Microsoft Azure, Git, DevOps, MFC, Java, React, AWS, Google Cloud
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Senior Cyber Embedded Software Engineer
Schaumburg, Illinois, United States
OnsiteAll Commitments Available
Embedded software, cybersecurity, and reverse engineering experience; strong C/C++, Python; Linux; BS/MS in CS/CE/Software; US citizenship with ability to obtain clearance; TS/SCI preferred.
Ghidra, IDA Pro, Radare2, GDB, JTAG, Wireshark, ELF, PE, IP, TCP, UDP, TLS, SIP, SRTP, ARM, MIPS, PPC, x86, C, C++, Python, Linux
2mo
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Senior Software Engineer - ERP
Rosemont, Illinois, United States
$108k-$134k/yr OnsiteFull Time
2+ YOEBachelor’s Degree in Engineering or Computer Science with 2-4 years, or High School Diploma/GED with 5-7+ years; JD Edwards ERP experience in wholesale/distribution; development and support of ERP applications; SDLC/ITIL familiarity.
Java, C, C++, JD Edwards, BI Publisher, Linux, JDEdwards
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Senior Software Engineer
Lisle, Illinois, United States
$92k-$138k/yr OnsiteFull Time
3+ YOE3+ years professional software engineering or equivalent via degree plus experience; proficiency in server-side and frontend technologies, cloud platforms, Terraform; US work authorization required.
TypeScript, Python, Java, C#, Ruby, React, Angular, Vue, Azure, AWS, GCP, Terraform, NextJS, Tailwind, NestJS, Microsoft SQL Server, Apache Lucene, Jest
1w
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Senior Software Engineer
Chicago or Lake Forest
$113k-$188k/yr HybridFull Time
3+ YOEBachelor's or equivalent, 3+ years modern software engineering, experience with Python/Go/Java, React, cloud (AWS), Terraform, Kubernetes, CI/CD and DevSecOps, strong communication and mentoring skills.
Python, Go, Java, React, Kubernetes, AWS, Terraform, GitHub Actions, CI/CD, OPA
3w
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Senior Software Engineer
Elgin, Illinois, United States
OnsiteFull Time
Bachelor's degree in engineering, 4+ years medical device experience, 1+ year embedded development, proficiency in C and assembly, experience with microprocessor-based devices, communication protocols, debugger use, FDA/ISO processes.
C, Assembly, Linux, I2C, SPI, RS232, Ethernet, Bluetooth, Wi-Fi, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
1mo
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Senior Software Engineer, Integrations
Chicago or Woodridge
$115k-$210k/yr HybridFull Time
5+ YOE5+ years coding experience, B.S. in CS or equivalent, strong Python/C/C++/TypeScript skills, experience with firmware-to-application integrations, customer-facing troubleshooting, and building production software.
Python, C++, TypeScript, C
2mo
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Sr. Software Engineer
Oak Brook, Illinois, United States
OnsiteFull Time
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
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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
9h
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Sr Software Engineer
Naperville, Illinois, United States
$96k-$130k/yr OnsiteFull Time
5+ YOERequires 5+ years in software development, expertise in C#, Python, Angular, SQL, and AWS, Azure, or GCP, plus architecture, cloud-native, system design, testing, and debugging experience.
C#, Python, Angular, SQL, AWS, Azure, GCP, APIs, CI/CD, version control systems
1d
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Sr Software Engineer
Naperville, Illinois, United States
$96k-$130k/yr OnsiteFull Time
5+ YOE5+ years in software development; expertise in C#, Python, Angular, SQL, and cloud platforms; architecture, platform engineering, cloud-native solutions, version control, and CI/CD experience.
C#, Python, Angular, SQL, AWS, Azure, GCP, CI/CD
2mo
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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
4d
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Senior Software Engineer (Onsite)
Rockford, Illinois, United States
$87k-$165k/yr OnsiteFull Time
5+ YOESTEM degree with 5+ years of relevant experience or advanced degree with 3+ years; embedded C lifecycle experience, testing, verification, certification, and aerospace standards knowledge.
C, Assembly, Python, Tcl/Tk, MATLAB, Simulink, RTOS, BSPs, IBM Rational Synergy, Change, DOORS, DXL, TMS320F2812, PowerPC
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
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