44 reactjs developer jobs at 27 companies in Darien, WI
3mo
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Engineer II
Austin or Madison
OnsiteFull Time
3+ YOE3+ years professional software development; experience with Python and ReactJS preferred; strong SQL, ORM and NoSQL knowledge; experience with microservices; clear technical communication and on-call participation.
Python, ReactJS, SQL
4d
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Full Stack Developer
North Chicago, Illinois, United States
$66k-$126k/yr HybridFull Time
2+ YOEBachelor's degree with 2 years' experience or master's degree with 0 years; experience with full-stack development, web applications, cloud infrastructure, JavaScript frameworks, server-side languages, databases, HTML, and CSS.
Angular, React, Vue, Python, NodeJS, Java, .Net, Oracle, PostgreSQL, Neo4J, MarkLogic, HTML, CSS, JavaScript
2w
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AI Engineer
Watertown, Wisconsin, United States
RemoteFull Time
10+ YOEBachelor's preferred; 10+ years software development; 3+ years AI/ML and LLM experience preferred; experience with RAG, vector databases, agent frameworks, prompt engineering, deployment and observability; React/TypeScript and cloud familiarity.
LLM, Retrieval-Augmented Generation (RAG), vector databases, Model Context Protocol (MCP), React, TypeScript
6d
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Staff Software Development Engineer
Arizona or Buffalo Grove or Richardson
$118k-$237k/yr RemoteFull Time
7+ YOE7+ years large-scale software development, 2+ years technical lead, experience with Java/React/Angular/Spring Boot and cloud-native apps; CI/CD, containers, and cloud platform experience preferred.
Java, React, Angular, Spring Boot, REST API, JPA, Jenkins, CircleCI, GitHub, GitLab, Docker, Kubernetes, Azure, GCP, AWS, CI/CD
4d
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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
3w
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Senior Software Engineer (55220)
Vernon Hills, Illinois, United States
$108k-$127k/yr HybridFull Time
8+ YOEBachelor's in CS/Engineering,8+ years developing commercial B2B software for web/mobile/cloud/desktop,expertise with C#/.NET and Microsoft Full Stack,Azure experience,Git/DevOps,CI/CD,strong design and problem-solving skills.
C#, .NET, Microsoft Full Stack, Microsoft Azure, Git, DevOps, MFC, Java, React, AWS, Google Cloud
3mo
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Lead Web Technologies Developer
Deerfield, Illinois, United States
$105k-$165k/yr HybridFull Time
8+ YOEBachelor’s degree in CS or related field; 8+ years web development; Next.js, React, Angular, Node.js; Git, CI/CD; experience with commerce platforms, CMS, APIs, CDNs, PIM/DAM; enterprise/open-source; agile; data privacy; strong documentation.
Next.js, React, Angular, Node.js, Git, CI/CD, Shopify, Commercetools, Bloomreach CMS, Sitecore, WordPress, Embraco, Web Services, Web API, Akamai, Cloudflare, Widen, Salsify, Stibo, JIRA, Azure DevOps, AI tools for testing, Agile/Scrum/Kanban/xp
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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Quality Engineer - SDET
Madison or London
HybridFull Time
Experience in software QA and test automation; hands-on with Playwright, Appium, WebDriverIO, Cucumber/Gherkin, BrowserStack; proficient in REST services, GitHub; knowledge of .NET/C#/TypeScript/JavaScript; AWS and DevOps; strong problem-solving.
Playwright, Appium, WebDriverIO, Cucumber, BrowserStack, REST, GitHub, GitHub Actions, TeamCity, Octopus, Postman, DataDog, .NET, C#, TypeScript, JavaScript, ReactNative, AWS, DevOps, Serverless
2mo
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AI Solutions Engineer
Milwaukee or United States
$124k-$235k/yr HybridFull Time
3+ YOEBachelor's in CS/IT or equivalent; 3+ years in cloud apps (AWS); AI/Agent-based solutions; API data integration; Python/JavaScript; AWS containers/serverless; experience with AI tools; US work authorization.
AWS, Python, JavaScript, Node.js, React, SQL, NoSQL, Sage Intacct, APIs, Amazon Bedrock, Cursor, Windsurf, Claude Code
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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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
1mo
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Embedded Software Engineer III
Buffalo Grove, Illinois, United States
$79k-$113k/yr OnsiteFull Time
6+ YOEABET-accredited bachelor's in computer/software engineering, 6+ years relevant experience, embedded software design knowledge, APQP/NPD and DFMEA experience, proficiency with Linux, C/C++, RTOS; familiarity with C#, Python, JavaScript, HTML, React.
Linux, C, C++, RTOS, C#, Python, JavaScript, HTML, React
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
1mo
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Software Engineer, R&D - IntelliScript (Remote)
Brookfield or Alaska or California or Connecticut or Illinois or Maryland or Massachusetts or New Jersey or New York City or Pennsylvania or Virginia or Washington or District of Columbia
$79k-$199k/yr RemoteFull Time
4+ YOE4+ years software engineering experience; strong C#, .NET 8, React, SQL skills; AWS/cloud experience; Agile/Scrum familiarity; full SDLC and strong design, debugging, and collaboration skills.
C#, .NET 8, React, SQL, AWS, Agile, Scrum, TDD, GenAI, AI/ML, FHIR, HL7, ICD-10, microservices, event-driven
2w
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Senior Forward Deployed Software Engineer (FDE)
Holtsville or Lincolnshire
$97k-$145k/yr HybridFull Time
5+ YOEBachelor's degree,5+ years software engineering experience (or 3+ with advanced degree),full-stack cloud and Android expertise,ability to deploy and debug in customer environments,and strong communication skills.
Java, Spring Boot, Hibernate, Node.js, Express, NestJS, JavaScript, TypeScript, ReactJS, Google Cloud (GCP), AWS, Azure, Docker, Kubernetes, CI/CD, Microservices, MySQL, PostgreSQL, MongoDB, Firebase, BigQuery, Android SDK, Kotlin, Claude Code, GitHub Copilot, Cursor, Git, GitHub
1mo
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Lead Engineer, Internal Developer Platform
Madison or Denver or Boston
$131k-$220k/yr HybridFull Time
Extensive platform engineering experience across AWS and GCP, Kubernetes, Terraform/Crossplane, CI/CD (GitLab), Backstage, scripting (Python/Go/Bash), Datadog, and strong DevEx/DevOps and SRE practices.
Backstage, TypeScript, Node.js, React, AWS, GCP, VPC, IAM, S3, EKS, GKE, Terraform, Crossplane.io, Docker, Kubernetes, GitLab CI/CD, JFrog Artifactory, Python, Go, Bash, Datadog, REST, GraphQL, Git, Argo CD, Flux, Jenkins, GitHub Actions, Bitbucket pipelines, CloudFormation
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
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
2w
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Software Engineer - Enterprise Application
West Bend or Madison or Appleton
$97k-$121k/yr HybridFull Time
Proficiency with .NET and C#, React, Git, CI/CD and modern SDLC practices; experience with cloud (Azure), integration patterns, testing, and observability.
.NET, C#, React, Git, Azure DevOps, NuGet, Gradle, NServiceBus, API Management, OpenTelemetry, Application Insights, Splunk, Dynatrace
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