510 software system engineer jobs at 264 companies in Illinois

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Senior System Software Engineer
Santa Clara or Champaign or Redmond
$184k-$357k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
9+ YOE9+ years software development experience; proficiency in C++, Java, Scala and CUDA; experience with data platform and distributed systems; enterprise customer support and open source contributions.
C++, Java, Scala, CUDA, Apache Spark, RAPIDS, CCCL, UCX, Apache Arrow, Velox, Presto, Apache DataFusion, Parquet, ORC, JSON
4w
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Senior System Software Engineer
Santa Clara or Champaign or Redmond
$184k-$357k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
9+ YOE9+ years software development experience, 5+ years data platform development, proficiency in C++, Java, Scala, CUDA; BS/MS/PhD in computer science or equivalent; experience with Apache Spark and supporting enterprise customers.
C++, CUDA, Java, Scala, Apache Spark, Velox, Presto, Apache Arrow, Apache DataFusion, RAPIDS, CCCL, UCX
2mo
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Software Engineer
Illinois or Kentucky or Kansas or Idaho or Washington or Michigan or Florida or California or Texas or Oklahoma or Tennessee or North Carolina or Minnesota or Massachusetts or Indiana or Georgia or Arizona or Missouri or Alabama or Connecticut or District of Columbia or South Carolina or Oregon
$79k-$119k/yr HybridFull Time
Relativity
Relativity: AI-powered platform for legal discovery and data intelligence.
Backend software engineering role; experience with C# or Python; strong distributed systems knowledge; cloud experience preferred.
C#, Python, GitHub Actions, Azure, Kubernetes
2d
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Software Engineer
Chicago or New Jersey or Atlanta or Dallas
$54k-$122k/yr HybridFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
Experienced software engineer with Scala, functional programming, microservices, RESTful APIs, cloud platforms, big data, stream processing, frontend frameworks, CI/CD, and distributed systems expertise.
Scala, Akka, Play Framework, Spark, Java, RESTful APIs, AWS, Microsoft Azure, Google Cloud Platform, React, Angular, Vue.js, Kafka, Spark Streaming, Akka Streams
2d
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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
Robinhood
RobinhoodNASDAQ: HOOD: Provides a commission-free platform for investing and financial services.
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
2mo
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Electrification Controls System Senior Engineer
Mossville, Illinois, United States
$113k-$169k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
Bachelor’s in engineering or computer science; strong embedded systems and controls skills; travel up to 15%; onsite.
MATLAB, J1939, Ethernet, Software Development
4d
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Senior Software Engineer
Chicago or San Francisco
$160k-$180k/yr OnsiteFull Time
JLL
JLLNYSE: JLL: Global commercial real estate and investment management services.
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
3d
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Software Developer - DevOps
Montreal or Chicago
OnsiteFull Time
DRW
DRW: Technology-driven principal trading firm operating in global financial markets
3+ YOERequires 3–7 years building and operating software systems, strong Python, Kubernetes, CI/CD, Linux, PostgreSQL, RabbitMQ, software engineering, testing, communication, and independent project leadership.
Python, Kubernetes, PostgreSQL, RabbitMQ, Linux, CI/CD
1w
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Electrification Controls System Senior Engineer
Mossville, Illinois, United States
$113k-$169k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction and mining equipment, engines, and gas turbines.
Bachelor's in Engineering or Computer Science; expertise in embedded systems, requirements analysis, product testing; experience with software development lifecycle and MATLAB; ability to author SRS and travel up to 15%.
MATLAB, J1939, Ethernet
2mo
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Software Engineer
New York City or San Francisco or Austin or Chicago
$120k-$300k/yr HybridFull Time
R1 RCM
R1 RCM: Revenue cycle management solutions for healthcare providers.
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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Lead Software Engineer
Chicago, Illinois, United States
$123k-$169k/yr HybridFull Time
Sidley Austin
Sidley Austin: Global law firm providing comprehensive legal and regulatory counsel.
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
1mo
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Software Engineer - Integrations
Manchester or Canada or United Kingdom or Alabama or Arizona or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Iowa or Idaho or Illinois or Indiana or Kansas or Massachusetts or Maryland or Maine or Michigan or Minnesota or Missouri or North Carolina or Nebraska or New Hampshire or New Jersey or New Mexico or New York or Ohio or Oklahoma or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or Vermont or Washington or Wisconsin or West Virginia
£50k-£80k/yr HybridFull Time
Mark43
Mark43: Provides cloud-native records and dispatch software for first responders.
3+ YOE3+ years backend software engineering with distributed systems and integrations; experience designing/operating APIs, webhooks or messaging systems; familiarity with Java, TypeScript/JavaScript, REST, SQL/MySQL; strong communication skills; must be authorized to work in the hiring country.
Java, TypeScript, JavaScript, REST, SQL, MySQL, CI/CD, Claude Code Enterprise
2mo
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Software Engineer (Embedded Systems)
Danville, Illinois, United States
$70k-$80k/yr OnsiteFull Time
Watchfire
Watchfire: Manufactures digital LED signage and outdoor display systems.
0+ YOEBS in CS/CE/EE or related,0-3 years embedded software experience,proficiency in C++,Linux,communication protocols,version control,CI and strong problem-solving and communication skills.
C++, Linux, ARM, x86, Git, Jenkins, Jira, Python, UML
1w
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Staff Software Engineer
Chicago or Dallas
$190k-$250k/yr HybridFull Time
Newmark
NewmarkNASDAQ: NMRK: Commercial real estate brokerage and property management services.
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
2mo
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Senior Software Engineer C++
New York or Chicago
$150k-$225k/yr HybridFull Time
GTS
GTS: Global electronic market maker and proprietary trading firm.
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
1mo
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Staff Software Engineer
United States or Alabama or Arizona or Arkansas or California or Colorado or Connecticut or Florida or Georgia or Hawaii or Idaho or Illinois or Indiana or Iowa or Kansas or Kentucky or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Nevada or New Hampshire or New Jersey or New Mexico or New York or North Carolina or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Vermont or Virginia or Washington or Wisconsin
$178k-$223k/yr RemoteFull Time
Fuze Health
Fuze Health: Integrated digital health, home diagnostics, and virtual pharmacy platform.
8+ YOEBachelor's in CS or equivalent, 8+ years software engineering with 3+ years as tech lead/architect, expertise in Ruby on Rails or Python, PostgreSQL, TypeScript/JavaScript, AWS; system design and healthcare compliance experience required.
Ruby on Rails, Python, PostgreSQL, TypeScript, JavaScript, AWS, ECS, RDS, Lambda, VPC, EHR
2mo
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C++ Software Developer
Amsterdam or Chicago or London or New York City
OnsiteFull Time
Headlands Technologies
Headlands Technologies: A global proprietary trading firm utilizing quantitative algorithms.
Strong C++ ability, fundamentals of software engineering, experience building scalable distributed systems, network programming, and performance optimization; computing degree preferred or extensive professional experience.
C++, Linux
2w
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Software Engineer 3, Platform
Agoura Hills or Chicago
$9k-$131k/yr HybridFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global advertising and digital transformation agency holding.
3+ YOE3+ years software or infrastructure engineering; production Kubernetes and AWS experience; Terraform and CI/CD proficiency; strong operational depth in observability, networking, or artifact/CI systems.
Prometheus, Alertmanager, Grafana, OpenTelemetry, Kubernetes, EKS, Karpenter, ArgoCD, GitLab, Nexus, Docker, Terraform, AWS, Vault, OpenCost, Go, Thanos, Cortex, Mimir, Kyverno, OPA
1mo
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Principal Software Engineer
Toronto or California or Colorado or Illinois or New York or Washington or New York City
$184k-$276k/yr RemoteFull Time
Okta
OktaNASDAQ: OKTA: Provide secure identity management and authentication for enterprises.
8+ YOE8+ years software engineering experience (3+ years senior/staff leadership), proven large-scale distributed systems design, microservices/event-driven expertise, proficiency in Java/Kotlin/Go, cloud infrastructure experience preferred, BS in CS or equivalent.
Java, Kotlin, Go, AWS, GCP, Azure
3w
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Software Engineer - Risk Technology
Chicago, Illinois, United States
$175k-$225k/yr OnsiteFull Time
IMC
IMC: Global trading firm providing liquidity to financial markets.
3+ YOE3+ years software engineering experience, strong Java and/or Python skills, production systems experience, interest in financial markets and risk, strong analytical and problem-solving abilities.
Java, Python, Kubernetes, React, PostgreSQL, ClickHouse, Parquet, Hadoop