347 systems software engineer jobs at 198 companies in Lombard, IL

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Software Engineer, AI & Product Systems
Naperville, Illinois, United States
$80k-$150k/yr OnsiteFull Time
MedPro Disposal
MedPro Disposal: Provides medical waste management and healthcare compliance services.
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
Wolverine Trading
Wolverine Trading: Proprietary trading, asset management, and execution services firm.
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++
2w
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Software Engineer | Market Data Systems
Chicago, Illinois, United States
$200k-$250k/yr OnsiteFull Time
Jump Trading
Jump Trading: Global proprietary trading firm specializing in algorithmic and high-frequency strategies
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
1mo
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Senior Software Engineer, Agentic Systems
Chicago or United States
$169k-$208k/yr RemoteFull Time
Horizon3.ai
Horizon3.ai: Autonomous penetration testing platform for continuous security assessment.
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
1mo
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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
Motorola Solutions
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
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 Software Engineer, Design Systems
North Chicago, Illinois, United States
$97k-$184k/yr HybridFull Time
AbbVie
AbbVieNYSE: ABBV: Develops and sells innovative pharmaceutical and biopharmaceutical medicines.
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
3w
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Senior Systems Engineer
Des Plaines, Illinois, United States
$100k-$150k/yr OnsiteFull Time
Kranze Technology Solutions
Kranze Technology SolutionsNYSE: SPXC: Develops countermeasure systems and networking solutions for military aircraft.
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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Systems Engineer/Principal Systems Engineer (Integration & Test)
Rolling Meadows, Illinois, United States
$88k-$163k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
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
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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.
1d
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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
4d
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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 JavaScript/TypeScript and backend languages, cloud and distributed systems experience, hands-on agentic AI/LLM experience, strong database and CI/CD knowledge.
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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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
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
1mo
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Software Engineer
Hammond, Indiana, United States
OnsiteFull Time
TMS International
TMS International: Leading provider of on-site industrial services to steel mills.
Experience designing and supporting high-availability manufacturing software; strong OOP (C++/C#); familiarity with databases, PLC/process interfaces, industrial communications, troubleshooting live production systems; bachelor’s preferred.
Delphi, Object Pascal, C++, C#, SQL Server, MySQL, Oracle, REST APIs, OPC, PLC, TCP/IP, Windows, Windows Server, Android, iOS, Python, Machine Learning, AI
2mo
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Senior Software Engineer
Chicago, Illinois, United States
$89k-$165k/yr OnsiteFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global advertising and digital transformation agency holding.
5+ YOE5-8 years in software engineering; large-scale data engineering, distributed systems; Databricks, AWS, Python, PySpark; SQL/NoSQL; CI/CD; IaC (Terraform/Ansible).
Databricks, Python, PySpark, Apache Spark, AWS, S3, Lambda, API Gateway, EventBridge, Kafka, SQL Server, MongoDB, Jenkins, GitHub, GitLab, Bitbucket, Terraform, Ansible
2mo
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Senior Software Engineer
Chicago, Illinois, United States
$89k-$165k/yr HybridFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.
5+ YOE5-8 years of software engineering in data engineering and distributed systems; AWS Databricks, Python, Spark; CI/CD; IaC; AI/Generative AI exposure; cloud-native data platforms.
Databricks, Python, PySpark, Apache Spark, AWS, S3, Lambda, API Gateway, EventBridge, Kafka, SQL Server, MongoDB, Jenkins, GitHub/GitLab, Bitbucket, Terraform, Ansible
1mo
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Sr. Software Developer
Pleasant Prairie, Wisconsin, United States
$143k/yr OnsiteFull Time
Uline
Uline: Distributes shipping, industrial, and packaging materials across North America.
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 - 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
1w
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Software Engineer
Naperville, Illinois, United States
$132k-$147k/yr HybridFull Time
AmpliFI Loyalty Solutions
AmpliFI Loyalty Solutions: A provider of customized card-linked loyalty platforms and related technical services.
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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Senior Software Engineer, Backend FinPlatform
New York City or San Francisco or Salt Lake City or Los Angeles or Seattle or Austin or Washington or Philadelphia or San Diego or Chicago or Atlanta or Australia or Canada or South America
$146k-$215k/yr RemoteFull Time
Flex
Flex: A financial platform allowing renters to split monthly rent payments.
6+ YOE6+ years software engineering experience, 4+ years with Java, experience with backend systems, APIs, data pipelines, AWS, and distributed teams.
Java, Spring, Gradle, JUnit, JVM, AWS, EKS, Aurora RDS, Elasticache, DynamoDB, GitHub Actions, git, DataDog, Snowflake, CDK, Terraform