479 systems software engineer jobs at 236 companies in Douglas, IL
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Systems Software Engineer
Chicago, Illinois, United States
$145k-$185k/yr OnsiteFull Time
3+ YOERequires 3+ years of software engineering experience, strong systems programming, Linux administration, networking, server hardware, Ansible, Git, CI/CD, Bash or scripting, and production support experience.
C++, Python, Rust, Ruby, Ansible, Linux, RHEL, DPDK, Git, Kubernetes, Flux, Helm, Bash, perf, eBPF, flamegraphs, tcpdump, CI/CD, GitOps, NUMA, TCP/IP
4d
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Senior Lead Software Engineer - Trading Systems
Chicago, Illinois, United States
$152k-$225k/yr OnsiteFull Time
5+ YOERequires 5+ years of Java, Spring, and related software engineering experience, messaging systems expertise, complex system design experience, and responsible AI-assisted development experience.
Java, Spring Framework, Spring Boot, Spring Cloud, Python, C++, Kafka, IBM MQ, Tibco, AMPS, SQL, AI/ML, NLP
3mo
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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
3mo
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Software Engineer – Trading Systems
Chicago, Illinois, United States
$100k-$140k/yr OnsiteFull Time
2+ YOEBachelor's in CS or related field; 2+ years software development; strong C++, concurrent programming; knowledge of algorithms and data structures; good communication.
C++
1mo
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Software Engineer | Market Data Systems
Chicago, Illinois, United States
$200k-$250k/yr OnsiteFull Time
5+ YOE5+ years building production software in performance-critical environments; strong C++ and Rust experience; real-time streaming and low-latency systems expertise; concurrency, memory, and network programming skills.
C++, Rust, TCP, UDP, multicast, Linux
2mo
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Senior Software Engineer, Agentic Systems
Chicago or United States
$169k-$208k/yr RemoteFull Time
5+ YOE5+ years building production software with strong Python; hands-on experience building LLM-powered agents, prompt/context engineering, production LLM reliability, evaluation harnesses, testing and observability.
Python, LLM, AWS Bedrock, Neo4j, NodeZero
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Associate Software Engineer
Rolling Meadows, Illinois, United States
$73k-$109k/yr OnsiteFull Time
1+ YOEBachelor's degree in computer science, computer engineering, or similar engineering discipline; 1+ year software engineering experience; C++, scripting, embedded systems, software architecture, and version control familiarity; U.S. citizenship required.
C++, Python, Bash, Batch, Git, GitLab, GitHub, Bitbucket, ClearCase, Rally, Jira, Linux, VxWorks, Waterfall Methodology, Agile
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Senior Software Engineer - AI/Computer Vision (Camera Systems)
Waltham or Chicago or Boston or Vancouver or Krakow
$140k-$170k/yr HybridFull Time
4+ YOEBachelor's degree and 4+ years software engineering experience with 3+ years C++ development. Experience with camera systems, embedded Linux, model deployment on embedded platforms, Python, Git, and strong problem-solving and communication skills.
C++, Python, OpenCV, TensorFlow, PyTorch, ONNX Runtime, GitHub Actions, Azure DevOps, Git, Linux
1mo
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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
2w
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Software Engineer, Wallet
Menlo Park or New York City or Bellevue or Washington or Denver or Westlake or Chicago or Lake Mary or Clearwater or Gainesville
$166k-$195k/yr HybridFull Time
2+ YOE2+ years of software development experience; backend expertise in Go, Python, or Java; cloud-native architecture, system design, data modeling, and software engineering fundamentals required.
Go, Python, Java, EVM blockchains, smart contracts
2w
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Senior Software Engineer
Chicago or San Francisco
$160k-$180k/yr OnsiteFull Time
3+ YOEBachelor's or Master's in CS/Engineering or equivalent,3+ years software engineering experience,proficiency with LLM APIs,agent systems,RAG,production deployments,enterprise API integrations,strong communication,US work authorization.
LLM APIs, CI/CD
2d
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Senior Software Engineer
Dallas or Chicago
HybridFull Time
12+ YOERequires 12+ years of software engineering experience, full-stack architecture expertise, cloud-native distributed systems knowledge, agentic AI experience, and leadership across multiple engineering teams. Bachelor's degree preferred.
JavaScript, TypeScript, React, Next.js, C#, Node.js, Java, REST, GraphQL, Azure, AWS, GCP, LangChain, AutoGen, Semantic Kernel, MCP, SQL, CI/CD, Docker, Kubernetes, Kafka, Event Hubs, Kinesis
2mo
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Software Engineer
New York City or San Francisco or Austin or Chicago
$120k-$300k/yr HybridFull Time
3+ YOE3+ years engineering experience building and operating production systems; end-to-end ownership; scaling production systems; applied AI interest; strong communication and product collaboration skills.
5d
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Senior Software Engineer
Oak Brook or Sioux Falls
$107k-$164k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent experience; 5+ years of software engineering and Scala experience, with cloud architecture, distributed systems, streaming, microservices, CI/CD, IaC, and strong communication skills.
Scala, Apache Spark, Apache Flink, Docker, Kubernetes, Helm, Akka, Pekko, Terraform, Git, Maven, Gradle, ScalaTest, JUnit, Mockito, Datadog, Azure Monitor, Application Insights, ELK, OpenTelemetry, RESTful APIs, OAuth2, JWT, OpenAPI, Swagger, Postman, Azure, AWS, Java, Python
2w
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Lead Software Engineer
Chicago, Illinois, United States
$123k-$169k/yr HybridFull Time
8+ YOE8+ years software engineering experience with full-stack skills (.NET/C#, React, Next.js), Azure experience, CI/CD and system design expertise; leadership and mentoring experience.
.NET (C#), React, Next.js, Azure, Azure App Service, Azure Container Apps, Azure Kubernetes Service, Azure SQL, Azure Service Bus, Azure OpenAI Service, SQL Server, PostgreSQL, Cosmos DB, REST, GraphQL, Azure DevOps, GitHub Actions, Git, Docker, Kubernetes, Azure Container Apps/AKS, LangGraph, Semantic Kernel, Claude SDK, Temporal, n8n, Power Automate, Azure OpenAI, Anthropic Claude
5d
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Software Engineer
Chicago, Illinois, United States
$173k-$260k/yr HybridFull Time
4+ YOEBachelor's degree in computer science, information technology, or related field plus 4 years of software development experience. Requires 4 years with Python, Ruby, Objective-C, C++, scalable systems, distributed systems, and production debugging.
Python, Ruby, Objective-C, C++
1w
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Lead Software Engineer
Chicago or Irving
$128k-$209k/yr OnsiteFull Time
7+ YOE3+ MgmtRequires 7+ years in search engineering, 3+ years in technical leadership, search technology expertise, Java/Python/Scala, cloud platforms, APIs, distributed systems, and software architecture experience.
NLP, OpenSearch, Elastic Search, SOLR, Lucene, Coveo, LucidWorks Fusion, Java, Python, Scala, Claude Code, ChatGPT, GitHub Copilot, DevOps, AWS, Azure, Google Cloud, GitHub, Agile, APIs, A/B testing
3mo
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Senior Embedded Software Engineer (Systems & Architecture) (Michigan City, IN, US, 46360)
Michigan City, Indiana, United States
OnsiteFull Time
Lead architecture and development of embedded software for industrial systems; hands-on with hardware; mentor engineers; travel ~4 weeks/year.
Embedded C, Python, MATLAB/Simulink, STM microcontrollers, PIC microcontrollers, CAN (J1939, CANopen, RV-C), Ethernet, Cellular, Bluetooth, OTA updates
2mo
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Senior Software Engineer C++
New York or Chicago
$150k-$225k/yr HybridFull Time
7+ YOEExpertise in Linux C++ low-latency systems, 7+ years software engineering, BS/MS in engineering/computing/science, Git, gdb, valgrind, Python/bash, networking knowledge.
Linux, C++, Git, gdb, valgrind, Python, bash
3d
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Software Engineer
North Chicago, Illinois, United States
$79k-$141k/yr HybridFull Time
5+ YOEBachelor's degree with 5 years or master's degree with 4 years of experience; requires GxP quality-system integration, validated software delivery, APIs, cloud, databases, documentation, and technical leadership.
REST, SOAP, ETL, ESB, AWS, Azure, LIMS, QMS, ERP, MES, Microsoft Excel
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