233 senior software engineer jobs at 104 companies in Fort Atkinson, WI

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Senior Software Engineer - Cybersecurity
Waukesha, Wisconsin, United States
HybridFull Time
GE HealthCare
GE HealthCareNasdaq: GEHC: Develops and sells medical imaging and diagnostic technology.
4+ YOESenior software engineer with cybersecurity focus; 4+ years backend, secure coding, Agile, hybrid on-site in Waukesha; U.S. work authorized; bachelor’s in CS.
C#, REST, Relational Databases, Windows, Unix/Linux, CI/CD, DevSecOps, SAST, DAST, Secrets Management
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Senior Systems Software Engineer
Milwaukee, Wisconsin, United States
$119k-$178k/yr HybridFull Time
Northwestern Mutual
Northwestern Mutual: Provides life insurance and financial planning services to individuals.
4+ YOESenior Systems Software Engineer with 4+ years IT experience; strong in AWS/Docker/Kubernetes, CI/CD, and scripting; Bachelor’s or equivalent.
Kubernetes, Docker, AWS, Terraform, CloudFormation, GitLab CI, Jenkins, CircleCI, CI/CD, Python, JavaScript, Linux, Windows
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Senior Embedded Software Engineer-Innovation Team
Cottage Grove, Wisconsin, United States
OnsiteFull Time
Johnson Health Tech
Johnson Health TechTaiwan Stock Exchange: 1736: Designs and manufactures commercial and residential fitness equipment.
Senior embedded software engineer with degree in CS/EE and experience in C/C++, RTOS, Python/JS, and cross-functional collaboration.
C++, C#, Java, C, Python, JavaScript, RTOS
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Senior Staff Software Engineer
Durham or Milwaukee or Milwaukee
HybridFull Time
Direct Supply
Direct Supply: Supplies equipment and technology to senior living communities.
10+ YOELead architecture and development of AI-powered systems; 10+ years software engineering; cloud-native AI; mentoring; Bachelor's, Master's preferred.
Cloud Computing, AI Frameworks, LLMs, Distributed Computing, Software Architecture
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Senior Software Engineer
Madison, Wisconsin, United States
$100k-$144k/yr RemoteFull Time
Resource Innovations
Resource Innovations: Provides clean energy services and software solutions for utilities.
6+ YOEExpertise in PHP, Laravel, Vue.js; 10+ years with PHP frameworks; 6+ years with Vue; API design; AWS; Git; SaaS experience; testable code with Pest/PHPUnit; agile team experience.
Laravel, Vue.js, Tailwind CSS, PHP, Pest, PHPUnit, AWS, NodeJS
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Senior Embedded Software Engineer
Mayfield Heights or Mequon or Milwaukee
HybridFull Time
Rockwell Automation
Rockwell AutomationNYSE: ROK: Sells industrial automation hardware and digital manufacturing software solutions.
5+ YOESenior embedded software engineer with 5+ years in C++, RTOS, safety/security standards IEC 61508/62443, experience in embedded hardware, CIP, Python for tests; US work authorization.
C++, Python, RTOS, CIP, Ethernet, USB, PCI Express
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Senior Engineer, Embedded Software (Menomonee Falls, WI, US, 53051)
Menomonee Falls, Wisconsin, United States
OnsiteFull Time
Columbus McKinnon
Columbus McKinnonNasdaq: CMCO: Manufacturer of intelligent motion and material handling lifting solutions.
6+ YOESenior embedded software engineer with 6+ years in embedded C/C++, ARM RTOS, and wireless protocols; experience with industrial controls, VFDs, and RF; strong design, testing, and teamwork.
C, C++, ARM, RTOS, USB, RS232, SPI, I2C, CAN, Bluetooth, BLE, Wi-Fi, Secure boot, multimeters, oscilloscopes, logic analyzers, JIRA, version control
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Senior Software Engineer
Rockford, Illinois, United States
$87k-$165k/yr HybridFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
5+ YOESTEM degree with 5+ years of relevant experience or advanced degree with 3+ years; embedded software lifecycle, C, requirements, verification, certification, lab testing, and aerospace standards experience required.
C, Assembly, Python, Tcl/Tk, MATLAB, Simulink, RTOS, IBM Rational Synergy, IBM Rational Change, DOORS, DXL, Texas Instruments TMS320F2812, PowerPC, CAN, Ethernet
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Senior Software Developer - Java
Pleasant Prairie or Kenosha or Milwaukee
$96k-$148k/yr OnsiteFull Time
Uline
Uline: Distributes shipping, industrial, and packaging materials across North America.
7+ YOEBachelor's degree in computer science, software engineering, or equivalent education and experience; 7+ years of Java full-stack development; Spring, REST, microservices, Git, JPA, SQL, JSON, SOAP, XML, CI/CD, and Agile experience.
Java, Spring, REST, Git, JPA, SQL, JSON, SOAP, XML, CI/CD, Agile
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Senior Software Engineer
Milwaukee, Wisconsin, United States
OnsiteFull Time
Fiserv
FiservNew York Stock Exchange: FI: Provides financial technology solutions for merchants and financial institutions.
4+ YOEBachelor's in CS/Engineering or related and 4 years software development experience in credit/debit payment processing. Experience with .NET, C#, REST APIs, Microsoft SQL, cloud platforms (AWS/Azure/GCP), GitLab CI/CD, TCP/IP, and multithreaded architectures.
.NET, C#, REST APIs, Microsoft SQL, AWS, Azure, GCP, GitLab, TCP/IP
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Senior Staff Software Engineer
Madison or Austin
OnsiteFull Time
Findhelp
Findhelp: Building digital infrastructure for connecting people to social services.
8+ YOE8+ years professional software development, strong Python and ReactJS experience preferred, good SQL and database knowledge, experience with cloud (GCP preferred), technical writing, design, and mentoring skills.
Python, ReactJS, SQL, GCP
1mo
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Sr. Software Engineer
Milwaukee, Wisconsin, United States
HybridFull Time
Molson Coors
Molson CoorsNYSE: TAP: Produces and markets a global portfolio of beer and beverages.
5+ YOE5+ years software engineering experience, Salesforce and DevOps experience, expert in 3+ programming languages, strong analytical and communication skills, bachelor's in CS/engineering or equivalent experience.
Salesforce
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Senior Software Engineer, Frontend Platform
United States or San Francisco or New York City or Los Angeles or Boston or Seattle or Washington or San Diego or Chicago or Austin or Dallas or Portland or Denver or Philadelphia or Baltimore or Sacramento or Minneapolis or Miami or Atlanta or Phoenix or Orlando or Las Vegas or Salt Lake City or Madison or Birmingham or San Antonio or Spokane or Toronto
$125k-$210k/yr HybridFull Time
Roo
Roo: Digital marketplace connecting veterinary professionals with animal hospital shifts.
Significant production software experience with frontend systems; deep React and TypeScript expertise; full-stack fundamentals; React Native or mobile experience; Figma, design systems, and AI-assisted development experience.
React, TypeScript, React Native, Figma, Cursor, Claude, Storybook, style-dictionary, Framer Motion, Rive, Lottie, Expo
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Principal Software Engineer
Madison, Wisconsin, United States
$153k-$259k/yr OnsiteFull Time
Exact Sciences
Exact SciencesNASDAQ: EXAS: Provides molecular diagnostic tests for early cancer detection.
Senior individual contributor with expertise in OO languages, REST/DB, cloud, Agile, and enterprise-scale digital engineering.
C, C++, Java, JavaScript, Python, SQL, PL/SQL, .NET, Google Web Toolkit, JPA, Hibernate, Azure, AWS, JIRA, Confluence
1mo
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Software Engineer
Sun Prairie, Wisconsin, United States
$70k-$100k/yr OnsiteFull Time
i3 Product Development
i3 Product DevelopmentNYSE: HLIO: Integrated product design and engineering firm for connected solutions.
5+ YOEBachelor's degree,5+ years professional software development experience,proficiency with Java,Python or C#,REST/SOAP,cloud platforms (AWS/Azure/GCP),Git,CI,Agile and strong communication.
Java, Python, C#, RESTful, SOAP, AWS, Microsoft Azure, Google Cloud, Git
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Sr. Software Engineer
Glendale or Milwaukee
$85k-$127k/yr OnsiteFull Time
Johnson Controls
Johnson ControlsNYSE: JCI: Provides integrated building technologies including HVAC, fire, and security systems.
7+ YOE7+ years software engineering (5+ years building/deploying AI/ML systems), ML lifecycle experience, Python and ML framework proficiency, cloud and container deployment experience, LLM/GenAI and MLOps experience, strong system design and mentoring skills.
Python, PyTorch, TensorFlow, scikit-learn, Microsoft Azure, Microsoft Azure OpenAI, AWS Bedrock, Anthropic, OpenAI, Docker, Kubernetes, LangGraph, CrewAI, LlamaIndex, LangSmith, LangFuse, OpenTelemetry, Model Context Protocol (MCP), BACnet, MQTT, OPC UA
1w
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Xformative - Fintech Software Engineer
Madison, Wisconsin, United States
RemoteFull Time
TASC
TASC: Provides third-party employee benefits and compliance administration services.
5+ YOE5+ years software development experience in payments, strong Node.js and TypeScript skills, API and backend engineering, AWS experience, knowledge of payment compliance (PCI-DSS/SOC2), bachelor\u0002s degree preferred.
Node.js, TypeScript, AWS, AWS CloudWatch, PCI-DSS, SOC2
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Senior Structural Engineer
Waukesha, Wisconsin, United States
OnsiteFull Time
Walbec Group
Walbec Group: Provides heavy civil engineering, construction, and material supply services.
6+ YOEBachelor's in Civil Engineering preferred; 6-15 years in structural engineering; PE preferred; valid driver's license; knowledge of heavy civil/construction engineering; CAD/Civil 3D; related software.
AutoCAD, Civil 3D, Midas Civil, Risa 3D, Civiltech Shoring, Civiltech AllPile
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Senior Software Development Engineer
Sussex, Wisconsin, United States
OnsiteFull Time
Generac
GeneracNYSE: GNRC: Manufactures backup power generators and energy technology solutions.
5+ YOEBachelor's degree in CS or related,5+ years relevant experience,proficiency in C# and JavaScript,experience with Linux,embedded systems,and networking;mentoring and technical leadership skills.
C#, JavaScript, Angular, Blazor, Linux
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Senior Software Engineer II
Boston or Milwaukee or Maitland
$104k-$178k/yr HybridFull Time
Alegeus
Alegeus: Provides technology platforms for managing healthcare benefit accounts.
6+ YOE6+ years developing distributed web applications using C#, .NET, ASP.NET, cloud and microservices; experience with RDBMS/NoSQL, event-driven frameworks, Kubernetes, API design; bachelor\u0002s degree required.
C#, .NET Core 3.1, .NET 5+, ASP.NET, Azure, Kafka, EventHub, ServiceBus, Kubernetes, RDBMS, NoSQL