52 senior software engineer python jobs at 22 companies in Belvidere, IL

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2mo
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Senior Cyber Embedded Software Engineer
Schaumburg, Illinois, United States
OnsiteAll Commitments Available
Motorola Solutions
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
Embedded software, cybersecurity, and reverse engineering experience; strong C/C++, Python; Linux; BS/MS in CS/CE/Software; US citizenship with ability to obtain clearance; TS/SCI preferred.
Ghidra, IDA Pro, Radare2, GDB, JTAG, Wireshark, ELF, PE, IP, TCP, UDP, TLS, SIP, SRTP, ARM, MIPS, PPC, x86, C, C++, Python, Linux
3mo
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Senior Lead Software Engineer, Full Stack
McLean or Houston or Riverwoods
OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
6+ YOEBachelor’s degree; 6+ years software engineering; 1+ year cloud (AWS/Azure/GCP); proficient in JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, Go; experience with microservices, AWS, containers.
JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, Go, Docker, Kubernetes, AWS, RDBMS, NoSQL
2mo
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Sr. Software Engineer
Wayne or Naperville
$120k-$135k/yr HybridFull Time
Frontline Education
Frontline EducationNYSE: ROP: Provides administrative and management software for K-12 school districts.
5+ YOE5–7 years backend engineering or intelligent systems with production impact; strong Python, CI/CD, and system design; experience with ML model APIs and cloud inference; familiarity with vector databases and retrieval systems.
Python, CI/CD, AWS Bedrock, Azure OpenAI, Google Vertex AI, PyTorch, Hugging Face Transformers, vLLM, FAISS, Pinecone, OpenSearch/KNN, LangChain, LlamaIndex, MLflow, Weights & Biases, Prometheus
1mo
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Embedded Software Engineer III
Buffalo Grove, Illinois, United States
$79k-$113k/yr OnsiteFull Time
Wabtec
WabtecNYSE: WAB: Manufacturer of equipment and digital solutions for rail transportation.
6+ YOEABET-accredited bachelor's in computer/software engineering, 6+ years relevant experience, embedded software design knowledge, APQP/NPD and DFMEA experience, proficiency with Linux, C/C++, RTOS; familiarity with C#, Python, JavaScript, HTML, React.
Linux, C, C++, RTOS, C#, Python, JavaScript, HTML, React
1mo
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Staff Software Embedded Engineer
Rolling Meadows, Illinois, United States
$169k-$254k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
10+ YOERequires 10+ years engineering experience (Master's+10 or Bachelor's+12 or equivalent), expertise in C++ and embedded Linux/VxWorks, scripting (Python/Bash/Batch), version control systems, software architecture, US citizenship and ability to obtain Secret clearance.
C++, C++11, Python, Bash, Batch, Linux, VxWorks, Git, Gitlabs, Github, Bitbucket, ClearCase, Rally, Jira, DevSecOps, Model-based Engineering, Waterfall Methodology, Agile
1mo
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Software Engineer – Test Equipment (Onsite)
Rockford, Illinois, United States
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
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)
2mo
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Principal Software Development Engineer (Customer Insight & AI Solutions)
Buffalo Grove or United States or United States
$144k-$288k/yr RemoteFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
10+ YOE10+ years in full-stack software engineering; 5+ years in senior/principal/architect roles; 5+ years frontend (Angular/React) and backend (Python/Java); 3+ years AI/GenAI; Agile/Scrum; cloud native, API-first, microservices.
Angular, React, Python, Java, REST API, AWS, Azure, GCP, GKE, BigQuery, Spanner, BigTable, CI/CD, API-first, Microservices
1w
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Senior Developer - IT
Arlington Heights, Illinois, United States
$112k-$147k/yr OnsiteFull Time
United Airlines
United AirlinesNASDAQ: UAL: Operates a global network of passenger and cargo flights.
4+ YOEBachelor's in CS/CE/EE/MIS,4+ years software development experience, AWS and backend API experience (Java/Node/Python), CI/CD, Kubernetes, Git, cloud platforms, Agile, strong communication; must be authorized to work in the US.
AWS Lambda, AWS Step Functions, Amazon CloudWatch, Amazon CloudFront, Amazon Cognito, Amazon Route 53, Amazon DynamoDB, Amazon ECS, Amazon EC2, Amazon S3, Amazon RDS, Amazon RDS - Aurora Postgres, Active MQ, Secrets Manager, Parameter Store, Amazon EFS, Git, Python, Bash, PowerShell, Node.js, Java, Springboot, Angular 15, Github, Harness, Artifactory, Kubernetes, Microsoft .Net Framework, Microsoft .Net Core, SQL, NoSQL, JSON, XML, OAuth, Claude, Agentic AI, CoPilot, AWS, Azure, GCP, Jira, Confluence, Microsoft Azure DevOps
1mo
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Principal/Sr. Principal Software Engineer
Rolling Meadows, Illinois, United States
$109k-$163k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEBachelor's in CS/CE or equivalent experience, 5+ years engineering experience (Principal) or 8+ years (Sr Principal). Proficiency in C++, embedded Linux/VxWorks, scripting (Python/Bash), version control (Git/GitLab/GitHub/Bitbucket/ClearCase), Agile/Waterfall; U.S. citizenship and active Secret clearance required.
C++, C++11, Python, Bash, Batch, Linux, VxWorks, Waterfall Methodology, Agile, Git, GitLab, GitHub, Bitbucket, ClearCase, Rally, Jira, DevSecOps, Model-based Engineering
1w
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Software Developer II
Janesville, Wisconsin, United States
OnsiteFull Time
Data Dimensions
Data Dimensions: Digitizes and automates paper-intensive business processes and document workflows.
5+ YOEAssociate degree plus 5 years related experience (or equivalent); knowledge of networking, SDLC, Microsoft technologies, Visual Studio, C#, .NET; strong communication and problem-solving skills.
Microsoft Visual Studio, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Windows API, C#, .Net, Microsoft SQL Server, SQL Management Studio, Python, PHP
2mo
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Software Developer 2
Monroe, Wisconsin, United States
OnsiteFull Time
Colony Brands
Colony Brands: Operates multi-channel retail brands and catalog sales for consumer products.
5+ YOEBS or equivalent, 5+ years software development experience, 3+ years with .NET Core/C#, REST APIs, microservices, MySQL/Dynamo, Azure DevOps, Git, AWS; strong problem solving, Agile collaboration, and mentoring ability.
.NET Core, C#, RESTful API, Python, microservices, MySQL, Dynamo, Azure DevOps, Azure Pipelines, Git, AWS, CI/CD
1mo
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Senior Web/App Engineer
Janesville, Wisconsin, United States
$118k-$142k/yr OnsiteFull Time
Blain's Farm & Fleet
Blain's Farm & Fleet: Retailer of farm, home, automotive, and outdoor goods.
5+ YOE5+ years software development experience; proficiency in Java, C#, Python, JavaScript; strong system architecture, design patterns, data modeling, cloud and application security knowledge; bachelor's in CS/Engineering preferred; experience with SaaS platforms (Adobe, Oracle) preferred.
Java, C#, Python, JavaScript, Adobe, Oracle
5d
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Lead Enterprise Software Engineer – Application & IT Operations
Riverwoods or Coppell or Tampa or Austin or Philadelphia or Chicago or Wichita or Indianapolis or Greenwood Village
$118k-$207k/yr HybridFull Time
Wolters Kluwer
Wolters KluwerEuronext Amsterdam: WKL: Provides professional information and software solutions for specialized industries.
8+ YOE8+ years experience operating cloud applications (Azure/AWS), incident response, CI/CD, observability, automation/scripting, IaC (Terraform/ARM/Bicep/CloudFormation), and leading operational excellence.
Azure, AWS, Datadog, Grafana, Prometheus, ELK, OpenSearch, Open Telemetry, PowerShell, Bash, Python, CI/CD, Terraform, Azure ARM, Bicep, AWS CloudFormation, Kubernetes
1mo
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Sr. Software Engineering Manager, Android Architecture
Mettawa, Illinois, United States
$118k-$174k/yr HybridFull Time
Brunswick
BrunswickNYSE: BC: Global manufacturer of marine engines and recreational boats.
10+ YOE10+ years in software development/architecture, Bachelor’s in engineering/computer science, experience with Android/Android Automotive, embedded software, Kotlin/Java/C/C++/Python, CI/CD, leadership, and strong communication.
Kotlin, Java, C/C++, Python, AOSP, Android Studio, GCP, Atlassian, TestRail, Gherkin, Cucumber, CI/CD
3w
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AI Engineer - Clinical Communication & Workflow Systems
Mount Prospect, Illinois, United States
$120k-$140k/yr OnsiteFull Time
AMETEK
AMETEKNYSE: AME: Manufacturer of electronic instruments and electromechanical devices.
5+ YOE5+ years in ML/data engineering or AI solution development. Bachelor's/Master's in CS/AI/ML (or equivalent), strong Python and SQL skills, experience with TensorFlow/PyTorch, real-time systems, APIs, and software engineering best practices.
Python, SQL, TensorFlow, PyTorch, HL7, FHIR, EHR
1mo
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Lead AI/ML Engineer - Remote
Schaumburg or Minneapolis or Washington or United States
$146k-$250k/yr RemoteFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
5+ YOEBachelor's or equivalent; 5+ years software engineering (Python/Java/Scala), 3+ years production ML experience, 2+ years MLOps/CI/CD and containerized deployments, SQL and MongoDB experience, strong communication and technical leadership.
Python, Java, Scala, Docker, Kubernetes, SQL, MongoDB, Microsoft, Palantir, CI/CD, MLOps, Large Language Models (LLMs)
1w
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Lead Substation Engineer 1 - Grid
Warrenville, Illinois, United States
$118k-$180k/yr OnsiteFull Time
Sargent & Lundy
Sargent & Lundy: Engineering and consulting services for the power industry.
10+ YOEB.S. in engineering, PE license, 10+ years protection/control/telecommunications substation experience, proficiency with SKM/ETAP/ASPEN/CDEGS/vendor software, MS Office; strong communication and leadership.
SKM, ETAP, ASPEN, CDEGS, AutoCAD, MicroStation, Python, MATLAB, Microsoft Excel, Microsoft Office
2mo
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Platform Software Engineering Manager
Rolling Meadows, Illinois, United States
$160k-$180k/yr HybridFull Time
Epiq Solutions
Epiq Solutions: Designs software-defined radio and RF signal processing platforms.
10+ YOE5+ MgmtLead BSP/platform software team; hands-on Linux BSP/kernel work; 10+ years embedded Linux; strong leadership and mentoring.
Linux, Yocto, C, Python, Bash, Git, Device Drivers, Embedded Systems
1mo
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Engineer, Principal
Naperville, Illinois, United States
$109k-$159k/yr OnsiteFull Time
KeHE Distributors
KeHE Distributors: Distributes natural, organic, specialty, and fresh food products.
7+ YOE7+ years in software development; expertise in C#, Python, Angular, SQL; cloud platforms (AWS/Azure/GCP); architecture and platform engineering; CI/CD; bachelor’s degree preferred or equivalent coding education.
C#, Python, Angular, SQL, AWS, Azure, GCP, CI/CD, Version Control, Cloud Platforms
1w
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Senior Technical Consultant/ Solutions Engineer
Schaumburg, Illinois, United States
RemoteFull Time
Convr
Convr: AI platform for commercial property and casualty underwriting automation.
8+ YOEBachelor's in CS or similar, 8+ years coding with Python and enterprise apps, commercial P&C insurance experience, RESTful microservices, DB experience (Elastic, Snowflake, Cassandra, MariaDB, MySQL), and Agile experience.
Python, Docker, Kubernetes, Elastic, Snowflake, Cassandra, MariaDB, MySQL, NoSQL, RDBMS, JIRA, Git, Gitlab, Jenkins