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65 senior software engineer platform jobs at 42 companies in Wisconsin

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Senior Software Engineer, Wikidata Platform
Arizona or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Idaho or Illinois or Indiana or Iowa or Maryland or Massachusetts or Michigan or Minnesota or Missouri or New Jersey or New Mexico or New York or North Carolina or Ohio or Oklahoma or Oregon or Pennsylvania or Puerto Rico or Rhode Island or Tennessee or Texas or Utah or Vermont or Virginia or Washington or West Virginia or Wisconsin or Wyoming or Brazil or Canada or Colombia or France or Germany or Ghana or India or Indonesia or Italy or Kenya or Mexico or Morocco or Netherlands or Poland or Singapore or South Africa or Spain or Switzerland or United Kingdom
$117k-$181k/yr RemoteFull Time
Wikimedia Foundation
Wikimedia Foundation: Operates Wikipedia and provides global free knowledge infrastructure.
5+ YOE5+ years backend/platform engineering on distributed systems, strong knowledge-graph or database experience, proficiency in Java or C++, observability and production operations experience.
Java, C++, Kafka, Flink, Docker, Kubernetes, SPARQL, RDF
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2w
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Senior Data Platform Engineer
Milwaukee, Wisconsin, United States
$100k-$145k/yr OnsiteFull Time
Johnson Controls
Johnson ControlsNYSE: JCI: Provides integrated building technologies including HVAC, fire, and security systems.
5+ YOERequires 5+ years in data engineering or platform engineering, Snowflake, SQL, data transformation, security models, and R or Posit environments; familiarity with data quality, Azure, and analytical platforms preferred.
Snowflake, SQL, Coalesce.io, dbt, Posit, RStudio, Python, R, Azure DevOps, GitHub, Azure
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Staff Software Engineer, Platform
Arkansas or California or Colorado or Connecticut or Florida or Illinois or Louisiana or Massachusetts or Michigan or Minnesota or New Jersey or New York or North Carolina or Ohio or Oregon or Pennsylvania or Tennessee or Texas or Virginia or Washington or Wisconsin
$163k-$185k/yr RemoteFull Time
EasyLlama
EasyLlama: Mobile-first platform for employee compliance and harassment prevention training.
10+ YOE10+ years software engineering experience; expert Ruby on Rails and React; deep Kubernetes, Docker, AWS, CI/CD, distributed systems, API design, and production reliability experience.
Ruby on Rails, React, Kubernetes, Docker, AWS, CI/CD, Terraform, Helm, RabbitMQ, SQS, NATS, Stripe, SQL
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2mo
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Principal AI Platform Engineer
Florida or Texas or Illinois or New York or New Jersey or Alabama or Arizona or Arkansas or Colorado or Connecticut or Delaware or Georgia or Indiana or Kansas or Massachusetts or Missouri or North Carolina or Tennessee or Utah or Wisconsin
$155k-$175k/yr RemoteFull Time
TradeStation
TradeStation: Provider of online brokerage services and trading technology.
7+ YOEBachelor's or equivalent, 7+ years software engineering experience building platform/infrastructure; hands-on with Python/TypeScript, REST/GraphQL, cloud (AWS), Docker/Kubernetes, IAM, LLM/agent integrations, CI/CD and observability.
Python, TypeScript, Go, C#, Node, REST API, GraphQL, Model Context Protocol (MCP), AWS, EKS, Docker, Kubernetes, OAuth2, OIDC, Keycloak, Entra ID, Auth0, Bash, PowerShell, GitLab CI, Helm
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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 Power Platform Engineer II
Little Chute, Wisconsin, United States
HybridFull Time
Heartland Business Systems
Heartland Business Systems: Delivers comprehensive IT solutions and technology consulting services.
7+ YOE7+ years designing and delivering Microsoft Power Platform and/or Dynamics 365 solutions; required PL-400 and PL-901 (or equivalent); bachelor's degree or equivalent experience; strong Power Apps, Dataverse, Power Automate, ALM, integration, and consulting skills.
Microsoft Dynamics 365, Microsoft Power Platform, Microsoft 365, Microsoft Copilot, Microsoft Copilot Studio, Microsoft Power Apps, Microsoft Dataverse, Microsoft Power Automate, Microsoft Power Fx, Microsoft Power Pages, Power Platform ALM, Canvas Apps, Inogic, Scribe, SmartConnect, KingswaySoft, Microsoft Azure API Management, .NET/C#, JavaScript, PCF, Microsoft Azure Logic Apps, Microsoft AI Builder, Microsoft Azure AI
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Senior Software Engineer
Pleasant Prairie or Milwaukee or Waukegan or Glenview or Kenosha
OnsiteFull Time
Uline
Uline: Distributes shipping, industrial, and packaging materials across North America.
10+ YOEBachelor’s degree in IT, computer science, or related field; 10+ years Java and SQL experience; 5+ years Java Spring microservices; 2+ years deploying Java microservices on Kubernetes platforms.
RedHat OpenShift, Java, Spring Boot, DynaTrace, Grafana, Elastic Stack, Tekton, Argo CD, SQL, Kubernetes, GitOps, CI/CD
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4d
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Senior Software Engineer
Pleasant Prairie, Wisconsin, United States
OnsiteFull Time
Uline
Uline: Distributor of shipping, packaging, and industrial supplies.
10+ YOEBachelor’s degree in IT, computer science, or related field; 10+ years Java and SQL experience; 5+ years Java Spring microservices; 2+ years deploying Java microservices on Kubernetes platforms such as RedHat OpenShift.
RedHat OpenShift, Java, Spring Boot, DynaTrace, Grafana, Elastic Stack, GitOps, CI/CD, Tekton, Argo CD, SQL, Kubernetes
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Senior AI Platform Engineer
San Francisco or Alabama or Arkansas or California or Colorado or Florida or Georgia or Illinois or Kentucky or Massachusetts or Michigan or Montana or Missouri or Nevada or New Jersey or New York or North Carolina or Oregon or Pennsylvania or Texas or Washington or Utah or Virginia or Wisconsin
$156k-$231k/yr HybridFull Time
Afresh
Afresh: AI-powered inventory management for grocery store fresh food departments.
3+ YOE3+ years building production software or ML/data systems; strong Python and systems/API design; experience with LLM retrieval/RAG, agents, evaluation, Databricks/MLflow and modern data stacks.
Python, PySpark, dbt, Databricks, Delta Lake, Unity Catalog, MLflow, Astronomer, Airflow, Claude, GitHub, Shortcut, Notion, pgvector, Pinecone, Weaviate, LangGraph, MCP
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2mo
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Data Platform Engineer
Ohio or New York or New Jersey or Missouri or Minnesota or Michigan or Massachusetts or Indiana or Illinois or Georgia or Florida or Colorado or California or Arizona or Pennsylvania or Wisconsin or Texas or United States
$120k-$160k/yr RemoteFull Time
SullivanCotter
SullivanCotter: Consulting and data for healthcare and nonprofit compensation strategies.
5+ YOE5+ years experience; degree in CS/Software Engineering/Information Systems/IT or equivalent; proficiency in Python/Scala/Java/SQL, Apache Spark, Databricks, ELT/ETL, streaming, RESTful/gRPC, SDLC, testing and CI/CD tooling; strong design and mentoring skills.
Python, Scala, Java, SQL, Apache Spark, Databricks, Pytest, GitHub Actions, Poetry, Git, RESTful, gRPC
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Sr Software Engineer
Raleigh or Neenah
OnsiteFull Time
Jewelers Mutual
Jewelers Mutual: Provides insurance and risk management for the jewelry industry.
5+ YOE5+ years software engineering experience with deep React expertise, JavaScript/TypeScript, state management, RESTful/GraphQL APIs, platform modernization, mentoring, and Agile experience.
React, JavaScript, TypeScript, GraphQL, RESTful APIs, Angular, C#, Node, AWS, Databricks, CI/CD, Scrum, Kanban
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Staff Software Engineer
Austin or Madison
HybridFull Time
Findhelp
Findhelp: Building digital infrastructure for connecting people to social services.
5+ YOE5+ years software engineering experience; deep expertise in backend and frontend, relational and non-relational databases, cloud platforms (GCP), microservices, observability, and strong communication and mentorship skills.
Python, ReactJS, GCP (Google Cloud Platform), Kubernetes, Cloud Functions, SQL, ORMs
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3w
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Principal Software Engineer (Security & Policy Platform) (Remote)
San Jose or North Dakota or Montana or Maine or Ohio or Nebraska or Louisiana or Texas or Nevada or Hawaii or Georgia or Mississippi or Connecticut or Colorado or Wyoming or Wisconsin or West Virginia or Maryland or California or Vermont or New York or New Jersey or Arkansas or South Dakota or Pennsylvania or Michigan or Indiana or Idaho or Arizona or New Mexico or New Hampshire or Kentucky or Alabama or South Carolina or Illinois or Missouri or Massachusetts or Iowa or Tennessee or North Carolina or Minnesota or Kansas or Alaska or Rhode Island or Delaware or Washington or Virginia or Utah or Oregon or Florida or Oklahoma
$251k-$363k/yr RemoteFull Time
Cisco
CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.
12+ YOEBachelor's in CS/EE or related and 12+ years designing large-scale distributed systems; experience with cloud/hybrid, security and privacy for platform systems; production coding in Go/Rust/C++; strong communication.
Go, Rust, C++
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Senior Software Engineer, e-Commerce Fulfillment
Romeoville or United States or Michigan or Nebraska or Illinois or Nevada or New Hampshire or Tennessee or Minnesota or Texas or Connecticut or Virginia or Maine or Indiana or District of Columbia or Wisconsin or Montana or New York or Maryland or Missouri or Kansas or Utah or Pennsylvania or Washington or Colorado or Arkansas or California or New Jersey or Iowa or Louisiana or Rhode Island or Massachusetts or South Carolina or Mississippi or Kentucky or Florida or Oregon or Ohio or North Carolina or Arizona or Idaho or Georgia
RemoteFull Time
Crate and Barrel
Crate and Barrel: Retails furniture, kitchenware, and home decor products.
5+ YOE5+ years building high-scale backend applications and microservices; expertise in event-driven architectures, message brokers (Kafka/RabbitMQ), distributed transactions, cloud platforms, software design, testing, and mentoring.
Kafka, RabbitMQ, AWS, Azure, GCP, Java, JVM, .NET, C#
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5d
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Senior Staff Machine Learning Platform Engineer
United States or San Francisco or Arizona or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Idaho or Illinois or Indiana or Kentucky or Maine or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Nevada or New Hampshire or New Jersey or New Mexico or New York or North Carolina or Ohio or Oregon or Pennsylvania or Rhode Island or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or Kitchener or Toronto or London or New York City
$295k-$406k/yr HybridFull Time
Faire
Faire: Online wholesale marketplace connecting independent retailers with unique brands.
10+ YOE10–12 years building large-scale ML or data platforms; degree preferred in a technical field; deep Databricks expertise, distributed systems, ML infrastructure, cloud architecture, and cross-functional technical leadership.
Python, SQL, Kotlin, PyTorch, PySpark, MLflow, Apache Spark, Apache Kafka, Databricks, Snowflake, Fivetran, Iceberg, Unity Catalog, Datadog, Airflow, CockroachDB, MySQL, AWS, Amazon S3, Amazon SageMaker, Kubernetes, Docker, GitHub Actions, Terraform, Claude Sonnet 4.5, ChatGPT 5.2
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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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1w
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Senior Engineer - Observability Platform
Rhode Island or Mississippi or Montana or North Carolina or Louisiana or Maryland or Maine or Minnesota or Nebraska or Missouri or North Dakota or New York or New Jersey or New Mexico or Nevada or Ohio or South Carolina or Texas or South Dakota or Vermont or Tennessee or Virginia or Washington or Utah or Wisconsin or West Virginia or Oregon or Wyoming or Oklahoma or Pennsylvania or Colorado or Alabama or Arizona or California or Connecticut or District of Columbia or Florida or Iowa or Arkansas or Idaho or Illinois or Kansas or Delaware or Georgia or Indiana or Kentucky or Michigan or Massachusetts or New Hampshire
$83k-$222k/yr RemoteFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
5+ YOERequires 5+ years software engineering, 3+ years observability, Go or Java backend services, OpenTelemetry, Docker, Kubernetes, Argo CD, public cloud, Terraform or CloudFormation, and distributed pipelines.
Go, Python, Java, Spring Boot, OpenTelemetry, OTLP, Docker, Kubernetes, Argo CD, AWS, GCP, Azure, Terraform, CloudFormation, Helm, Kustomize, Grafana OSS, Grafana, Loki, Tempo, Mimir, PostgreSQL, MySQL, Envoy, Istio, Datadog, New Relic, AppDynamics, OpsGenie, PagerDuty, GoAlert, Kafka, Pulsar, ClickHouse, Bigtable, Cassandra, CI/CD
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Sr. Software Engineer II, Platform/API
Chicago or California or Colorado or Florida or Georgia or Illinois or Indiana or Minnesota or Missouri or Montana or New Jersey or New York or North Carolina or Ohio or Oregon or Pennsylvania or South Carolina or Texas or Utah or Vermont or Virginia or Washington or Wisconsin or country_code
$140k-$190k/yr HybridFull Time
NinjaTrader
NinjaTrader: Provides futures brokerage services and a trading software platform.
6+ YOE6+ years building and operating backend services; Node.js, TypeScript, SQL, Docker, Kubernetes, cloud, event-driven architecture, and workflow reliability expertise. Bachelor's or master's degree or equivalent experience.
Node.js, TypeScript, Kafka, Google Cloud Pub/Sub, SQL, Docker, Kubernetes, Google Cloud Platform, Codex, Cursor, Claude Code, Statsig
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2mo
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Chief Principal Software Engineer- Cloud
Greenville or Remote or Remote
$119k-$204k/yr HybridFull Time
Oshkosh
OshkoshNYSE: OSK: Manufacturer of specialty trucks, military vehicles and access equipment.
8+ YOE8+ years backend cloud software development; Azure cloud; C#/.NET; IoT/cloud data platforms; containerization; CI/CD; security and observability.
Azure, C#, NET Core, Docker, Kubernetes, Terraform, GitHub Actions, Event Grid, Event Hub, Azure Functions, CosmosDB, Redis, Azure Monitor, Application Insights
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3w
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Lead AI Platform Engineer
Madison, Wisconsin, United States
$99k-$199k/yr OnsiteFull Time
Abbott
AbbottNYSE: ABT: Manufactures medical devices, diagnostics, and nutritional health products.
3+ YOE3+ years project leadership experience; expertise in ML, NLP, LLMs, Gen AI; experience with Python and cloud ML deployment; knowledge of ethical AI, data privacy, and regulatory compliance.
Python, Scaled Agile Frameworks (SAFE)
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