418 sr software engineer jobs at 145 companies in Baldwin, WI
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
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).
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
6+ YOEBachelor's in CS or STEM, 6+ years software engineering, leadership experience, cloud and API development experience, proficiency with CI/CD, observability, databases, and automated testing.
Toronto or Minneapolis or United States or Europe or Africa or Asia or Australia
$95k-$170k/yrRemoteFull Time
DayforceNYSE: DAY: Cloud platform providing global human capital and payroll management.
Senior-level platform engineer with experience building scalable backend services and extensible APIs using C#/.NET, Microsoft SQL Server, Microsoft Azure, familiarity with LLM-based AI tooling, and strong mentoring and communication skills.
GitHub Copilot, Cursor, Claude Code, LLMs, C#, .NET, Microsoft SQL Server, Microsoft Azure, Dayforce Workflow
AbbottNYSE: ABT: Provides medical devices, diagnostics, and science-based nutritional products.
5+ YOEExperience designing, developing, testing, and verifying embedded medical device software; proficiency in C/C++/C#/Python and ARM-based systems; knowledge of IEC 62304/60601 standards; bachelor's degree in engineering and multi-year experience.
Minneapolis or Washington or Eden Prairie or United States
$92k-$164k/yrRemoteFull Time
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
7+ YOE10+ years IT experience, 7+ years software development; 2+ years with Azure, Python, Spark, Databricks, Snowflake, MySQL/NoSQL, Airflow, Jenkins, Kafka/Event Hubs; strong analysis and problem-solving.
Radiology Partners: Provides comprehensive radiology services and diagnostic imaging solutions.
5+ YOE5+ years experience with C#/.NET and SQL (or 7+ years without degree). Experience with web and desktop development, testing, design, and mentoring; strong communication and ability to participate in on-call rotations.
C#, ReactJS, HTML, JavaScript, SQL, .NET, Async/Await, WinForms, WPF, WebAPI, MVC, MVVM, Microsoft Visual Studio, Microsoft Visual Studio Code, Microsoft SQL Server Management Studio
AbbottNYSE: ABT: Manufactures medical devices, diagnostics, and nutritional health products.
5+ YOEExperience designing, developing, testing embedded software for medical devices; expertise in C/C++/C#/Python and ARM; familiarity with IEC 62304/60601 standards; strong communication and debugging skills.
Concord: Provides technology consulting and digital transformation services for enterprises.
9+ YOE9+ years software engineering experience, GCP experience (BigQuery/Dataflow/Dataproc), hands-on across backend/data/UI, experience with AI-assisted tools, strong stakeholder communication; must be authorized to work in the US.
IPG PhotonicsNASDAQ: IPGP: Develops and manufactures high-performance fiber lasers and systems.
15+ YOE15+ years software engineering experience, BS in CE/CS/EE or equivalent, expert Microsoft C#/.NET, industrial automation and motion control experience, Azure DevOps and Git, strong system-level troubleshooting and leadership.
Microsoft C#/.NET, Microsoft Azure DevOps, Git, ASP.NET, JSON, RESTful interfaces, Microsoft SQL Server, TCP/IP, Aerotech A3200, Aerotech Automation 1, ACS, Dalsa, Sapera, Sherlock, Cognex, Matrox
SullivanCotter: Consulting and data for healthcare and nonprofit compensation strategies.
10+ YOE10+ years software engineering with 4+ years lead-level experience, deep .NET/C# and full‑stack expertise, cloud (AWS), CI/CD, testing, AI-assisted tools, and a bachelor's in CS or equivalent experience.
United States or Minneapolis or Philadelphia or New Hartford or Austin or Champaign or Chicago
$140k-$160k/yrRemoteFull Time
PAR TechnologyNYSE: PAR: Provides unified software and hardware for restaurant operations.
8+ YOEExpertise in Node.js/Typescript and PostgreSQL, 8+ years backend experience with distributed systems, GraphQL, TypeORM, Nest.js; familiarity with Kubernetes, message brokers, AWS, Terraform.
Typescript, NodeJS, Ruby, Rails, PostgreSQL, GraphQL, TypeORM, Nest.js, RabbitMQ, RMQ, React, AWS, Terraform, Helm, Kubernetes, EKS, Microsoft Teams
SmartThings: Develops an IoT platform for connecting and automating devices.
10+ YOEBachelor's in CS/Engineering, 10+ years software engineering with distributed systems and high-traffic cloud experience; deep AWS knowledge (Lambda, Kinesis, DynamoDB, API Gateway); leadership, security-first design, and mentorship skills.
AWS Lambda, Kinesis, DynamoDB, API Gateway, AWS Well-Architected Framework, Kubernetes, Terraform, AWS CDK, Claude, Cursor, GitHub Copilot Agents, Matter, Zigbee, Z-Wave, Google Home, Alexa, Apple HomeKit
Syms Strategic Group: Provides IT and professional services to federal government agencies.
8+ YOE8+ years backend-focused software development experience with Java and/or NodeJS, RESTful API design, Angular, cloud (AWS), healthcare EDI knowledge, US citizenship and ability to obtain Public Trust.
Java, NodeJS, JavaScript, TypeScript, Angular, C#, .Net, AWS, Azure, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JUnit, Jest, JIRA, Docker, ECS, EKS, Microsoft Teams, Electronic Data Interchange X.12 (EDI), XML, JSON