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27 software engineer operating systems jobs at 22 companies in Cicero, IL

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.
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2w
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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
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1w
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Lead Software Engineer Java
Chicago, Illinois, United States
$138k-$185k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years of software engineering experience with advanced Java, Spring Boot, microservices, Python, system design, application development, testing, operations, and AI-assisted engineering tools.
Java, Spring Boot, Python, Microservice Architecture, Software Development Life Cycle, AI-assisted software development tools
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3mo
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Senior Production Software Engineer
Chicago, Illinois, United States
OnsiteFull Time
Optiver
Optiver: Global market maker providing liquidity to financial markets.
Extensive software engineering experience; design and deliver scalable production systems; deep knowledge of production environments; reduce operational friction.
Python, CI/CD, Configuration Management, Web Frameworks
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2mo
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Software engineer, connectors & MCP
San Francisco or Seattle or New York City or Austin or Chicago or London
$155k-$304k/yr HybridFull Time
Writer
Writer: Platform for building and deploying enterprise generative AI agents.
5+ YOE5+ years building and operating production backend systems with TypeScript/Deno/Node.js/Bun; experience with API-driven services, AI integrations, auth (OAuth2/OIDC), cloud (AWS/GCP/Azure), Docker/Kubernetes, CI/CD, observability, and mentoring engineers.
TypeScript, Deno, Node.js, Bun, OAuth2, OIDC, Docker, Kubernetes, CI/CD, AWS, GCP, Azure, Python, PostgreSQL, MCP
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2mo
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Staff Software Engineer - Cloud Infrastructure and Devops
San Jose or Chicago or Scottsdale or Austin
$177k-$262k/yr HybridFull Time
PayPal
PayPalNASDAQ: PYPL: Digital platform for sending money and processing online payments.
7+ YOE7+ years software experience, 5+ years operating distributed/cloud systems, 2+ years technical leadership, Bachelor’s/Master’s in CS or related, hands-on with AWS, containers, Python/Java/Go/Bash, Kubernetes, Terraform/CDK.
AWS, EKS, Docker, GitHub Enterprise, CDK, Terraform, GitHub Actions, Datadog, Bash, Python, Go, Java, Kubernetes
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3d
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Sr. Platform Software Engineer
Chicago, Illinois, United States
$105k-$175k/yr HybridFull Time
Zoro
Zoro: Online marketplace for industrial tools and business supplies.
6+ YOEBachelor’s degree or equivalent practical experience and 6+ years building, testing, and operating backend or platform systems. Requires programming, distributed systems, cloud, CI/CD, containers, observability, and on-call expertise.
Python, TypeScript, Java, Terraform, Datadog, Prometheus, Kubernetes, Cloud Run, PCI, SOX, Infrastructure as Code, CI/CD, ADR, RFC
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6d
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Staff Software Engineer, Core Infrastructure
San Francisco or Ottawa or Charlotte or Phoenix or Toronto or Los Angeles or Denver or Salt Lake City or Atlanta or Raleigh or Chicago or Houston or Portland or New York City or Vancouver or San Diego or Sacramento or Jacksonville or Seattle or Mexico City or Austin or Miami or Boston or Dallas
$145k-$275k/yr RemoteFull Time
Scribd
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
10+ YOE10+ years building backend, distributed, or data-intensive systems; production Rust and strong Python; storage and database expertise; AWS, infrastructure as code, operational excellence, technical leadership, and mentoring.
Rust, Python, Apache Arrow, Parquet, DataFusion, Amazon S3, PostgreSQL, MySQL, AWS, AWS Lambda, Amazon ECS, Amazon Aurora, Terraform, delta-rs, Claude Code
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6d
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Senior Linux Engineer, Privileged Access
United States or Chicago or El Dorado Hills
RemoteFull Time
Keeper Security
Keeper Security: Provider of password management and security software solutions.
7+ YOERequires 7+ years of software or systems engineering, advanced Linux systems programming, C and Rust, PAM, .NET, security-sensitive software, Linux operations, and a bachelor's degree or equivalent experience.
Rust, C, .NET, C#, Tokio, MQTT, TLS, fanotify, proc filesystem, Linux PAM, systemd, RPM, DEB, journalctl, SELinux, AppArmor, GCC, Make, X11, Wayland, GDM, D-Bus, PKI, Avalonia, Claude, ChatGPT, GitHub Copilot
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1mo
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ML Staff Engineer – LLM & Production Systems
Chicago, Illinois, United States
$141k-$169k/yr HybridFull Time
Bain & Company
Bain & Company: Provides global management consulting and strategy advisory services.
6+ YOE6+ years in software or ML engineering, experience designing and operating production ML/LLM systems, proficiency in Python and SQL, CI/CD and MLOps experience, strong communication and mentoring skills.
Python, SQL, CI/CD
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1mo
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Data Center Operations Systems Engineer II (Chicago)
Elk Grove Village, Illinois, United States
$89k-$119k/yr OnsiteFull Time
Lambda
Lambda: Provides high-performance GPU cloud infrastructure for AI development.
Onsite presence 5 days/week; racking, cabling, configuring servers; troubleshooting hardware/software; DCIM documentation; familiarity with power, cooling, and structured cabling; willingness to travel for new site bring-ups.
DCIM, JIRA, Zendesk, Linux
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2mo
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Staff Software Engineer
Chicago, Illinois, United States
$187k-$229k/yr OnsiteFull Time
JLL
JLLNYSE: JLL: Global commercial real estate and investment management services.
Experience shipping production agents, production code in Python/Node/.NET, working with relational/NoSQL/object/vector stores, operating end-to-end as a one-person team, strong communication and systems thinking.
Claude Agent SDK, MCP, MCP toolchain, Claude Code, Python, Node, .NET, LLM gateway, RAG services
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1w
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Full Stack Software Engineer | Las Vegas, NV| Remote
Las Vegas or Ohio or Indiana or Missouri or Illinois or Iowa or Arizona or St. Louis or Kansas City or Rock Island or Phoenix or Naperville or Cincinnati or Indianapolis or Des Moines
$115k-$120k/yr HybridFull Time
IMEG
IMEG: Provides engineering design and consulting for buildings and infrastructure.
3+ YOEBachelor’s degree in computer science or related experience, 3+ years programming experience, C#, HTML5, JavaScript, Jira, Git, GitHub, code platforms, MVVM, databases, operating systems, and Microsoft Office.
C#, HTML5, JavaScript, Jira, Git, GitHub, Microsoft Teams Foundation, MVVM, WPF, Autodesk AutoCAD, Revit API, Blazor, Microsoft Office, Microsoft Teams
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4d
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Senior Backend Engineer, Experimentation
United States or Oakland or San Francisco or New York City or Boston or Seattle or Irvine or Los Angeles or Monterey or Santa Barbara or Santa Rosa or Austin or Portland or Philadelphia or Chicago
$163k-$264k/yr RemoteFull Time
LaunchDarkly
LaunchDarkly: Provides a feature management platform for software development teams.
6+ YOERequires 6+ years of software engineering experience, backend production systems expertise, Go or comparable language skills, distributed systems and data-intensive product experience, cloud operations, and observability practices.
Go, Python, Rust, C++, ClickHouse, Postgres, Snowflake, Redshift, BigQuery, Databricks
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1w
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Distinguished Engineer - Global Payment Network
McLean or Richmond or Riverwoods or Dallas
$245k-$307k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Provides credit card, banking, and auto loan services.
7+ YOEBachelor's degree, 7+ years of software engineering, 5+ years designing distributed systems, and 5+ years with public cloud technologies. Strong expertise in performance, reliability, scalability, and operability required.
agentic AI, Java, Python, Go, JavaScript, TypeScript, Swift, PCI-DSS
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3mo
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Senior ML Operations Engineer
San Francisco or Chicago or Scottsdale or New York
$118k-$203k/yr HybridFull Time
Early Warning Services
Early Warning Services: Operates payment and risk solutions for the financial industry.
5+ YOEBachelor's in CS/Engineering; 5+ years in Data Science/ML/Ops; Python; AWS; Docker/Kubernetes; MLflow/Kubeflow; real-time model deployment; strong data/compute systems knowledge.
Python, AWS, Docker, Kubernetes, MLflow, Kubeflow
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1w
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Field Engineer Technician
Chicago, Illinois, United States
FieldFull Time
Unisys
UnisysNYSE: UIS: Provides enterprise-scale IT services and digital transformation solutions.
4+ YOEHigh school diploma or GED required; technical certification or associate degree may be required. Requires 4–6 years of experience in the area of responsibility and advanced hardware, software, operating system, and troubleshooting knowledge.
servers, storage devices, network devices, mainframes, operating systems, hardware, software
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2w
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Sr. Machine Learning Engineer (Canada - Remote)
Canada or Chicago
$90k-$110k/yr RemoteFull Time
Hyatt
HyattNYSE: H: Global hospitality providing luxury hotel and resort accommodations.
5+ YOEMaster’s degree in a related field and 5+ years building and operating cloud-based machine learning solutions, including end-to-end ML systems, AI services, MLOps, data pipelines, and CI/CD workflows.
EC2, EKS, SageMaker, CI/CD
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2w
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Sr. Machine Learning Engineer (Canada - Remote)
Chicago or Canada
$90k-$110k/yr RemoteFull Time
Hyatt
HyattNYSE: H: Global operator of luxury hotels and luxury resorts.
5+ YOEMaster’s degree in a relevant field and 5+ years building and operating cloud-based machine learning solutions, including end-to-end ML systems, AI services, MLOps, data pipelines, and CI/CD workflows.
EC2, EKS, SageMaker, CI/CD
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1w
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Senior Forward Deployed Engineer, GenAI, YouTube GTM Operations
Chicago or San Bruno or Mountain View or New York City or Los Angeles or Playa Vista
$155k-$224k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
6+ YOEBachelor's degree or equivalent practical experience; 6 years of full-stack development and system design; front-end and back-end languages; applied AI, databases, distributed systems, and data pipelines.
JavaScript, TypeScript, Java, Python, Go, C++, SQL, NoSQL, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), Agentic Frameworks, Model Context Protocol (MCP), LLM evals, vector databases, CRMs
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