87 software systems engineer jobs at 50 companies in Marengo, IL
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Software Engineer, AI & Product Systems
Naperville, Illinois, United States
$80k-$150k/yr OnsiteFull Time
3+ YOE3+ years software engineering; Node.js/Next.js/TypeScript; PostgreSQL or Supabase; REST/OAuth2/JWT; AI/LLM integration; CI/CD; security and reliability.
Node.js, Next.js, TypeScript, PostgreSQL, Supabase, REST, OAuth2, JWT, WebSockets, GitHub Actions, Vercel, n8n, SOQL
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
4w
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Senior Systems Engineer
Des Plaines, Illinois, United States
$100k-$150k/yr OnsiteFull Time
10+ YOEBachelor's degree in engineering with 10+ years experience, strong networking and routing knowledge, Linux and C/C++ proficiency, hardware/software troubleshooting, ability to obtain US security clearance and to travel.
Linux, C/C++, MANET, HAIPE
1mo
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Principal/Sr. Principal Systems Engineer
Rolling Meadows, Illinois, United States
$109k-$204k/yr OnsiteFull Time
5+ YOESTEM degree with 5+ years (Principal) or 8+ years (Sr Principal) experience, proficiency in systems thinking, model-based systems engineering, simulation/mission modeling, and listed software/tools; U.S. citizenship and active government clearance required.
MATLAB, C, C++, CUDA, VHDL, OpenCL, SysML, Python, Cameo, Rhapsody, AFSIM, STK, BRAWLER, ATCOM, ONESAF, DOORS, ClearCase, ClearQuest
2mo
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Systems Engineer/Principal Systems Engineer (Integration & Test)
Rolling Meadows, Illinois, United States
$88k-$163k/yr OnsiteFull Time
2+ YOEUS citizen able to obtain/maintain government clearance (SAP/Secret); BS/MS/PhD in EE/ME or related; 2+ years (Systems) or 5+ years (Principal) experience; troubleshooting hardware/software/firmware; test planning and execution; DOORS, MBSE/Cameo, MATLAB, C/C++, Java, Python familiarity.
DOORS, Cameo, MATLAB, C, C++, Java, Python
1w
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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
1mo
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Sr. Software Developer
Pleasant Prairie, Wisconsin, United States
$143k/yr OnsiteFull Time
5+ YOEBachelor's in Computer Engineering or related plus 5+ years progressive software development experience; experience with databases, web applications, software security, version control, scalable system design, SQL/NoSQL, Linux/Windows/Mobile/Web platforms, CI/CD, containerization, and cloud services.
Database software, SQL, NoSQL, Version Control Software, Linux, Windows, CI/CD, containerization, cloud services
2w
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Software Engineer
Naperville, Illinois, United States
$132k-$147k/yr HybridFull Time
3+ YOEMaster's in CS/SE or related with 3 years development experience; experience designing enterprise systems and platform engineering; Java, AWS (Lambda,S3,EC2,Glue,DynamoDB), MySQL/PostgreSQL/DynamoDB, Docker/Kubernetes.
Java, REACT, EC2, S3, Lambda, Glue, DynamoDB, PostgreSQL, MySQL, Docker, Kubernetes
2w
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HVAC Controls Systems Engineer
Arlington Heights, Illinois, United States
$91k-$140k/yr OnsiteFull Time
6+ YOEAdvanced or university degree in a relevant field,6+ years system design and integration experience, mastery of AutoCAD and BIM, hardware design oversight and software architecture experience, strong communication and mentoring skills.
AutoCAD, BIM, Revit
1d
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Sr. Software Engineer Front End
Oak Brook, Illinois, United States
HybridFull Time
Develop software with Agile methods, design and maintain frontend systems, collaborate across technical teams, lead offshore teams, and mentor junior engineers.
Agile, Scrum, DevOps, ISO 27001
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Software Engineer
Schaumburg, Illinois, United States
$84k-$106k/yr HybridFull Time
BS/MS in EE, Computer Engineering, or Computer Science; experience with C/C++, Linux/Unix, real-time embedded systems; Git and Jira; exposure to Docker or Podman; strong debugging, communication, and Agile experience; work onsite 3 days/week.
Docker, Podman, Git, Jira, C/C++, Linux, Unix
22h
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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
6d
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Principal Software Engineer, Core Services
Wayne or Naperville
$160k-$185k/yr HybridFull Time
10+ YOE10+ years software engineering experience, bachelor’s in CS or equivalent, deep TypeScript/Node.js skills, cloud-native and distributed systems experience, leadership and mentoring experience.
TypeScript, Node.js, NestJS, EC2, Lambda, S3, SNS, SQS, Docker, Kafka, React, Kubernetes, GitHub Copilot, Claude Code, OpenAI Codex
4w
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Sr. Software Engineer - AI Platforms and Automation
United States or Chicago or Houston or Rosemont
$140k-$200k/yr RemoteFull Time
7+ YOE7+ years software/platform engineering experience; strong Python and AWS experience; production systems, CI/CD, Docker/Kubernetes, SQL/PostgreSQL, and experience with LLMs or AI-enabled applications.
Python, Amazon Bedrock, Lambda, Glue, S3, IAM, CloudWatch, MWAA, Airflow, CI/CD, Git, Docker, Kubernetes, Terraform, SQL, PostgreSQL, LLM APIs, LangChain, LangGraph, LlamaIndex, Claude Code, GitHub Copilot, Cursor, RDF, OWL, SPARQL, SHACL, FHIR, SNOMED CT, LOINC, RxNorm, ICD-10, CPT, vector databases, embeddings
3w
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Android Software Engineer II
Schaumburg, Illinois, United States
$81k-$117k/yr HybridFull Time
3+ YOE3+ years OO experience with Java/Kotlin, Android app and system debugging, strong software design and algorithms, B.S. in CS or related, experience with AI-assisted development tools and excellent communication.
Java, Kotlin, GitHub Copilot, Microsoft Visual Studio Code, Firebase Crashlytics, Real Time Databases, AOSP, Linux, logcat
1w
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Lead Software Engineer, Full Stack
Riverwoods or Plano or McLean
$179k-$225k/yr OnsiteFull Time
4+ YOEBachelor's degree,4+ years software engineering experience,1+ year cloud experience; expertise with Hadoop/HBase/Kafka/NiFi and AWS; strong communication and production systems experience.
Cloudera, HBase, Kafka, NiFi, Hadoop, AWS EC2, AWS MSK, AWS Lambda, AWS Glue, AWS DocumentDB, DynamoDB, Microsoft Azure, Google Cloud
2mo
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Software Test Engineer (Oak Brook, IL, US)
Oak Brook, Illinois, United States
$87k-$133k/yr HybridFull Time
2+ YOEBachelor's in engineering with 2+ years in software test for embedded systems; strong Python/MATLAB scripting; test frameworks; CAN/LIN protocols; version control; and defect tracking.
Python, MATLAB, Robot, PyUnit, Pytest, CANalyzer, CANoe, INCA, Git, Azure DevOps, GitLab, GitHub, Polarion, Doors, Jira
1mo
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Software Engineer – Test Equipment (Onsite)
Rockford, Illinois, United States
$87k-$165k/yr OnsiteFull Time
5+ YOEU.S. citizenship required. STEM degree (Bachelors with 5+ yrs or Advanced Degree with 3+ yrs). Experience developing software that interfaces with hardware-based test/HIL/ATE systems; Python, C++, TCL/Bash, Linux/Windows; configuration management and OOD.
Python, TCL, C++, Bash, LabVIEW, Linux, Windows, Automatic Test Equipment (ATE), Hardware-in-the-Loop (HIL)
4d
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Building Automation Software Engineer
Westmont or North America
$86k-$130k/yr HybridFull Time
3+ YOERequires 3+ years in building or industrial automation, controls, systems engineering, or related work; controls logic, troubleshooting, systems integration, programming, analytical, communication, and customer-focused skills.
C#, Python, Visual Basic, Java, C++, Schneider Electric EcoStruxure Building Operation (EBO), Tridium Niagara, HVAC, DDC
1mo
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Lead Embedded Software Engineer (66954)
Franksville or Plymouth or Waukesha
$105k-$154k/yr HybridFull Time
4+ YOEBachelor's degree, 4+ years embedded systems/software experience. Proficiency in C/C++, Embedded Linux, networking protocols, RTOS concepts, unit testing and SDLC tools; Agile experience; ability to travel up to 10%; no immigration sponsorship.
C, C++, Embedded Linux, Serial, TCP/IP, Ethernet, UML, RTOS, GoogleTest, GoogleMock, xUnit++, Jira, Git, Continuous Integration (CI), Test-Driven Development (TDD), Agile Scrum
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