35 senior react developer jobs at 23 companies in Jefferson, WI
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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
Significant production software experience with deep React and TypeScript expertise, full-stack fundamentals, mobile experience, design systems, Figma, and hands-on AI-assisted development.
React, TypeScript, React Native, Figma, Cursor, Claude, Storybook, style-dictionary, Framer Motion, Rive, Lottie, Expo
3mo
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Senior Fullstack Engineer, Solve
Austin or Madison or San Francisco
$145k-$217k/yr HybridFull Time
3+ YOE3+ years of production software experience; backend-first with APIs, async systems, integrations, and real-time systems; ownership of features end-to-end; experience with real-time or event-driven tech such as WebSockets/WebRTC.
Python, FastAPI, React, TypeScript, WebRTC, Redis, MongoDB, LLM / speech
1w
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Senior Mobile Software Developer
Watertown, Wisconsin, United States
RemoteFull Time
6+ YOE6+ years mobile app experience with React Native, offline-first architecture, BLE integrations, synchronization, and mentorship/technical leadership experience.
React Native, Bluetooth Low Energy (BLE), Jira, Gitflow, CI/CD
2mo
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Senior AI Engineer
Minnetonka or Madison
$113k-$170k/yr HybridFull Time
3+ YOE3+ years AI work experience; 5+ years software/platform engineering; Bachelor's degree or equivalent.
Java, Angular, React, Node.js, Flutter, MuleSoft, AWS, Azure, CI/CD, Enterprise search, Content management systems
3mo
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Senior Staff Software Engineer
Madison or Austin
OnsiteFull Time
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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Senior Staff Engineer
Madison, Wisconsin, United States
$180k-$220k/yr HybridFull Time
10+ YOE10+ years professional software engineering experience; deep TypeScript/full-stack expertise; proven architecture, API, scalability, and reliability experience; strong communication and mentorship skills.
TypeScript, React, Next.js, Node.js, PostgreSQL, Algolia, AWS, GCP, Vercel, Cloudflare
3mo
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Staff Software Engineer
Milwaukee, Wisconsin, United States
OnsiteFull Time
4+ YOEBachelor's degree in CS or related field; 4+ years in software development; experience with React, TypeScript, Java, Spring Boot; REST APIs; MySQL and MongoDB; distributed web systems; agile practices; leadership experience.
React, Webpack, TypeScript, CSS, HTML, Jest, MySQL, MongoDB, Java, SpringBoot
3w
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Senior Engineer, Internal Developer Platform
Madison or Denver or Boston
$99k-$167k/yr HybridFull Time
Extensive experience building and operating cloud platforms (AWS/GCP), Kubernetes, IaC (Terraform/Crossplane), CI/CD, Backstage, scripting (Python/Go/Bash) and observability (Datadog).
AWS, GCP, Kubernetes, Docker, EKS, GKE, VPC, IAM, S3, Terraform, Crossplane.io, Backstage.io, TypeScript, Node.js, React, GitLab CI/CD, JFrog Artifactory, Python, Go, Bash, Datadog, Git, Argo CD, Flux, Jenkins, GitHub Actions, Bitbucket, CloudFormation, REST, GraphQL
1w
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Staff Engineer - Full Stack
Madison, Wisconsin, United States
$145k-$150k/yr HybridFull Time
5+ YOEBachelor's in a relevant field,5+ years experience,strong TypeScript/React and Python (Flask/Django),SQL/Postgres and Mongo,HL7/FHIR experience,AI tool experience,excellent communication and problem-solving.
TypeScript, React.js, Python, Flask, Django, Postgresql, Mongo, HL7, FHIR
1w
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Front End Developer
Germantown, Wisconsin, United States
HybridFull Time
5+ YOE5+ years front-end experience with HTML/CSS/JavaScript and modern frameworks; experience with Makeswift or BigCommerce page builders, accessibility (WCAG), responsive design, API integration, and Git. Bachelor's degree preferred.
HTML, CSS, JavaScript, Makeswift, Big Commerce B2B Page Builder, BigCommerce B2B Page Builder, React, Vue, Angular, Git
1mo
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Full Stack Engineer Manager
New York or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$294k/yr HybridFull Time
8+ YOEBachelor's degree or equivalent experience; 8+ years Python; 2+ years platform engineering; 1+ year with two of Linux admin, Docker/Kubernetes, modern JavaScript framework or DevOps; 1+ year Terraform; strong communication and problem-solving.
Python, Linux, Docker, Kubernetes, React, NodeJS, Terraform, EC2, Lambda, EKS, Fargate
1w
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Lead C# / .NET / Azure Software Engineer
Hopkins or Atlanta or Chicago or Brookfield or Irving
$133k-$157k/yr HybridFull Time
6+ YOE6–8+ years software engineering experience, strong C#/.NET Core and Azure skills, SPA and microservices experience, MS SQL performance tuning, CI/CD and containerization knowledge, bachelor's degree or equivalent.
C#, .NET Core, Azure, AKS, Azure SQL, REST APIs, React, Angular, Typescript, Entity Framework Core, Dapper, Microsoft SQL, Kubernetes, Jenkins, Azure DevOps, JFrog Artifactory, GitLab, Docker, Helm Chart, Rancher, ForgeRock, OIDC, xUnit, SpecFlow, PostMan, Jasmine, WebdriverIO, Azure Service Bus, Kafka, RabbitMQ
2mo
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Javascript - Senior Developers - AI Training - Milwaukee, US
Milwaukee or United States
$50/hr RemoteContract
BS/MS/PhD in CS or related field, professional experience building scalable JavaScript/TypeScript web apps, ability to solve LeetCode Medium–Hard problems, deep JS knowledge (event loop, closures, async), and strong code quality standards.
JavaScript (ES6+), TypeScript, React, Node.js, Vue, Angular, Jest, Cypress, Webpack, Vite, GraphQL, RESTful APIs, LeetCode
1w
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Microsoft Word Add-In Developer (Contract)
Madison, Wisconsin, United States
OnsiteContract
Experience building and publishing Word add-ins with Office.js/Word JavaScript API, production-level TypeScript and React, REST API integration, OAuth2/MSAL authentication, cross-platform Word compatibility, and strong testing/documentation practices.
Office.js, Word JavaScript API, TypeScript, React, Microsoft Authentication Library (MSAL), OAuth 2.0, Fluent UI, RESTful APIs, Microsoft 365, Microsoft marketplace
2w
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Software Engineer
United States or Austin or Boston or Chattanooga or Chicago or Dallas or Denver or Houston or Jefferson City or Kansas City or Madison or Milwaukee or Minneapolis or Nashville or Omaha or Providence or Springfield or Saint Louis or Washington
$76k-$234k/yr HybridFull Time
5+ YOEBachelor's or equivalent,5+ years application engineering experience,full‑stack proficiency with backend focus,experience with generative AI and cloud deployment (Azure preferred),strong architecture and communication skills.
Python, Javascript, TypeScript, React, Vue, Azure, CI/CD, LLM APIs
1mo
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Geospatial Cyber Security Engineer – Multiple Positions at Junior/Mid/Senior Levels
St. Louis or St. Charles or Virginia or Sun Prairie
OnsiteFull Time
5+ YOETop Secret/SCI required; Bachelor's in CS/Engineering; 5+ years experience; RMF/A&A, NIST 800-53, XACTA/eMASS, ACAS, Linux/Windows hardening, vulnerability management, strong communication.
XACTA, eMASS, ACAS, Python, Java, React, Jira, Confluence, RedHat/CentOS
2mo
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Principal Agentic Engineer
San Francisco or Madison
$175k-$300k/yr OnsiteFull Time
6+ YOE6+ years experience building LLM-based agents and autonomous systems; expertise with OpenAI GPT/Anthropic Claude, LangChain/CrewAI; strong software engineering in Python and TypeScript; agent architecture and observability experience.
OpenAI GPT, Anthropic Claude, LangChain, CrewAI, Python, TypeScript, React
5d
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Software Engineering Lead
United States or Middleton
$135k-$145k/yr RemoteFull Time
10+ YOE2+ Mgmt10+ years software development experience with 2+ years technical leadership; bachelor's degree in computer science or related field; expertise in React, Java/C#/Python, cloud platforms, CI/CD, and strong architecture and communication skills.
React.js, Angular, Java, C#.NET, Python, Flask, Django, FastAPI, Microsoft Azure, AWS, GCP, Git, CI/CD, Docker, Kubernetes, Terraform, Bicep, ARM templates, OAuth, JWT, Azure AD
1w
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Adobe Commerce Consultant
Chicago or Milwaukee or San Jose
$118k-$146k/yr OnsiteFull Time
Architect and deliver Adobe Commerce/Magento solutions; strong PHP, MySQL, GraphQL, React/PWA Studio skills; bachelor\u0002s degree or equivalent experience; ability to integrate with ERP/CRM/OMS and mentor developers.
Adobe Commerce Cloud, Magento 2, PHP, GraphQL, PWA Studio, Commerce Cloud, MySQL, React, Adobe Experience Platform
1mo
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Software Engineering Manager
Brookfield, Wisconsin, United States
OnsiteFull Time
5+ YOE2+ MgmtBachelor's degree in CS/Information Systems, 5+ years software development with 2+ years leadership, hands-on experience with AWS, MongoDB/RDS, React, Symfony, Microsoft Suite, CI/CD and modern project management tooling.
AWS, MongoDB, RDS, React, Symfony, Microsoft Suite, CI/CD
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