40 senior backend developer jobs at 20 companies in Baldwin, WI

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
1w
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Senior Backend Engineer
Minneapolis, Minnesota, United States
$120k-$140k/yr RemoteFull Time
In Tandem
In Tandem: Provides digital tools to streamline and organize family life.
5+ YOE5+ years production backend engineering with a statically typed language, AI-native spec-driven development, experience orchestrating AI coding agents, strong systems and API design judgment.
Java, Spring, Kotlin, C#, Go, React, iOS, Android, Claude Code, Cursor, GitHub Copilot Agent, OpenAI Codex, MCP, Docker, Kubernetes, Bitbucket Pipelines, Jira, Confluence, Confluent Cloud, Kafka, Hibernate
1w
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Senior Backend Engineer
Berlin or Chemnitz or London or Sydney or Tokyo or Prague or Minneapolis
HybridFull Time
Staffbase
Staffbase: Provides an AI-powered internal communications platform for employees.
5+ YOE5+ years backend experience with Go (Java/Kotlin preferred), strong problem-solving, agile experience, English communication, self-starter, collaborative.
React.js, Javascript, Typescript, Tailwind CSS, Kotlin, Go, Java, MongoDB, Terraform, Docker, Playwright
2w
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Senior Backend Engineer - Java
United States or Tampa or Boston or Atlanta or New York City or Columbus or Chicago or Philadelphia or Raleigh or Charlotte or Minneapolis or Dallas or Washington D.C. or Austin or Miami or Newark
$152k-$194k/yr RemoteFull Time
Real
RealNasdaq: REAX: Technology-driven brokerage offering residential real estate and title services.
8+ YOE8+ years experience with Java/Spring Boot, JPA/Hibernate, relational databases; experience designing event-driven microservices, strong testing practices, AI-assisted development familiarity, BA/BS or equivalent.
Java 17, Java 21, Spring Boot 3.x, JPA/Hibernate 6, Postgres, Kafka, DynamoDB, Redis, OpenSearch, AWS, Docker, Kubernetes, Datadog, ArgoCD, TeamCity, Claude Code, Cursor, Codex, Model Context Protocol (MCP), GitHub, SonarQube
3mo
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Backend Software Engineer
Maplewood, Minnesota, United States
$146k-$178k/yr OnsiteFull Time
3M
3MNYSE: MMM: Manufacturers diversified industrial, safety, consumer, and electronics products.
6+ YOEBachelor’s degree in CS or Engineering; 6+ years backend engineering; 4+ years RESTful APIs; 3+ years cloud deployment (AWS); proficient in Python/JavaScript/TypeScript.
Python, JavaScript, TypeScript, AWS, Databricks, Delta Lake
1w
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Sr. Backend Software Engineer (NodeJS)
United States or Minneapolis or Philadelphia or New Hartford or Austin or Champaign or Chicago
$140k-$160k/yr RemoteFull Time
PAR Technology
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
2mo
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Senior Software Engineer
Minneapolis or San Francisco or Birmingham or United States or Minneapolis
HybridFull Time
Shipt
Shipt: Provides same-day delivery services from local retailers via app.
5+ YOE5+ years of software development; backend REST APIs; Golang or Python; SQL databases (Postgres); scalable architectures; on-call readiness; strong communication.
Go, Python, Kafka, PostgreSQL, Redis, Apache Kafka, Google Cloud Platform, Microservices
2mo
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Senior Software Engineer - Remote Nationwide or Hybrid in MN or DC
Minneapolis or Washington
$92k-$164k/yr HybridFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
9+ YOESenior software engineer with 9+ years full-stack experience, expert in React, JavaScript/TypeScript, Node.js, Spring Boot, and CI/CD; strong backend and frontend skills; healthcare domain experience preferred.
React, JavaScript, TypeScript, HTML5, CSS3, Node.js, Spring Boot, REST APIs, Docker, Kubernetes, CI/CD, DevOps, Splunk, Datadog, OpenAI
3mo
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Senior Software Engineer – IRIS Platform & Claims Systems
Bloomington, Minnesota, United States
$46-$78/hr HybridFull Time
HealthPartners
HealthPartners: Integrated healthcare provider offering medical services and health insurance.
6+ YOESenior software engineer with 6+ years in enterprise software, backend focus, IRIS/MUMPS/Caché, multiple languages, AI tooling experience.
IRIS, MUMPS, Caché, ObjectScript, Java, C/C++, C#, .NET, GitHub Copilot, Claude Code
2d
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Senior Staff Software Engineer
Austin or Nashua or Minneapolis
OnsiteFull Time
Optimizely
Optimizely: Provides a SaaS platform for digital marketing and experimentation.
10+ YOEBachelor's or equivalent,10+ years software development,7+ years backend,distributed systems and SQL expertise,Java preferred,cloud-native and query engine/DSL experience.
NetScript, Java, Snowflake, BigQuery, Redshift, Databricks, SQL
3w
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Senior Software Engineer
Edina, Minnesota, United States
$102k-$179k/yr OnsiteFull Time
Vizient
Vizient: Healthcare performance improvement and group purchasing organization.
5+ YOE5+ years experience; strong Python or Java; experience building production backend services, cloud platforms, infrastructure-as-code (Pulumi/Terraform); data platform and ML/LLM deployment experience preferred.
Python, Java, AWS, Azure, GCP, Pulumi, Terraform, Kubernetes, CI/CD, Databricks, Snowflake, Azure AI Foundry, LLM, RAG
1mo
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Software Developer Sr
Toronto or Minneapolis or Canada or North America or Europe or Africa or Asia or Australia
$93k-$165k/yr OnsiteFull Time
Dayforce
Dayforce: Provides cloud-based human capital management and payroll software solutions.
Senior full-stack developer with strong backend focus: C#/.NET, SQL Server, Azure, distributed systems, CI/CD, observability, experience with LLMs/AI tooling, and strong communication and mentoring skills.
C#, Microsoft .NET, SQL Server, Azure, GitHub Copilot, Cursor, Claude Code, LLMs, CI/CD
3w
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Senior Software Engineer
Edina, Minnesota, United States
$102k-$179k/yr OnsiteFull Time
Vizient
Vizient: Provides performance improvement and supply chain services to hospitals
5+ YOE5+ years experience; strong Python or Java; experience building backend services, distributed systems, cloud platforms (AWS/Azure/GCP) and infrastructure-as-code (Pulumi/Terraform); data platform and ML/LLM deployment experience preferred.
Python, Java, AWS, Azure, GCP, Pulumi, Terraform, Databricks, Snowflake, Azure AI Foundry, Kubernetes, CI/CD
1mo
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Senior Software Engineer, TypeScript / Node.js
Charlotte or Fort Mill or Denver or Minneapolis or United States
$118k-$155k/yr HybridFull Time
RVO Health
RVO Health: Provides digital health information and consumer wellness solutions.
5+ YOEBachelor's degree or equivalent experience; 5+ years software development; 5+ years with Typescript and OOP languages (NodeJS, Golang, Ruby); 3+ years with backend frameworks (Express, Ruby-on-Rails), SQL/Postgres, ORMs (Prisma, Sequelize, TypeORM), CI/CD and IaC; software testing and AI-assisted code generation experience.
Typescript, NodeJS, Golang, Ruby, Express, Ruby-on-Rails, SQL, Postgres, Prisma, Sequelize, TypeORM, CI/CD, Infrastructure as code (IaC), Node.js, REST APIs, NoSQL
18h
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Senior Software Engineer, Trust & Safety
Austin or Denver or Indianapolis or Los Angeles or San Francisco or New York City or Salt Lake City or Minneapolis or Seattle or Nashville
$170k-$190k/yr RemoteFull Time
Givebutter
Givebutter: Fundraising and CRM platform for nonprofit organizations.
6+ YOE6+ years software engineering experience in fraud/trust & safety or adjacent domains; strong backend fundamentals, event-driven systems, stakeholder partnership, production debugging, and mentorship; payments and Stripe familiarity preferred.
PHP, Laravel, Ruby on Rails, Django, React, TypeScript, Stripe, Kafka, CDC, AWS, EKS, Kubernetes, RDS
6d
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Senior AI Engineer – Apply For CircleCard 
Brooklyn Park, Minnesota, United States
$98k-$176k/yr HybridFull Time
Target
TargetNYSE: TGT: Operates a chain of general merchandise stores and supermarkets.
5+ YOE5+ years software engineering experience building backend systems; hands-on production AI/LLM experience; proficiency in Python, Kotlin/Java, microservices, Kafka, PostgreSQL, container orchestration, and observability.
Kotlin, Java, Micronaut, Spring Boot, Kafka, PostgreSQL, Redis, Docker, Kubernetes, OpenTelemetry, Python, LangGraph, LangChain, CrewAI, Google ADK, Semantic Kernel, Model Context Protocol (MCP), Temporal
6d
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Software Developer
Eau Claire or United States
$85k-$117k/yr RemoteFull Time
Syms Strategic Group
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
1mo
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Software Developer Sr
Toronto or Minneapolis or United States or Europe or Africa or Asia or Australia
$95k-$170k/yr RemoteFull Time
Dayforce
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
1mo
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Software Engineer (Python / React)
Minneapolis, Minnesota, United States
$115k-$145k/yr HybridFull Time
Solution Design Group
Solution Design Group: Designs and develops custom software and digital product strategies.
5+ YOE5+ years professional experience; strong Python backend and React frontend skills; experience with APIs/microservices, cloud (AWS/Azure/GCP), CI/CD and DevOps; AI-assisted development tools experience preferred.
Python, Django, Flask, FastAPI, React, JavaScript, TypeScript, RESTful APIs, Microservices, GraphQL, Serverless Architectures, AWS, Azure, GCP, CI/CD, Docker, Kubernetes, Apache Kafka, RabbitMQ, PostgreSQL, MongoDB, Agile, SCRUM, TDD, Git, Atlassian Suite, Claude Code, Codex, GitHub Copilot
1mo
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Lead Software Engineer – Python/React
Eagan or Frisco or Brooklyn or Toronto
$118k-$220k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
7+ YOE7+ years web development; backend focus (Python) with frontend capability; experience building production systems; strong API and distributed systems experience; leadership and collaboration skills.
Python, FastAPI, Django, Flask, APIs, Microservices, React, TypeScript, Next.js, Tailwind CSS, Pydantic, Cloud infrastructure
3w
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Principal Software Engineer
St. Paul or Juno Beach or United States
$60-$80/hr OnsiteContract
Concord
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.
GCP, BigQuery, Dataflow, Dataproc, Copilot, Cursor, CI/CD