303 reactjs jobs at 145 companies in Louisville, CO
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Junior Front-End Developer
Westminster, Colorado, United States
$88k-$155k/yrOnsiteFull Time
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
2+ YOEBachelor's or equivalent, 2+ years related experience, working knowledge of Python and JavaScript, familiarity with PyQT/ReactJS/Dash/Streamlit, HTML/CSS, basic AI/ML concepts, and ability to work onsite in Denver.
Tradeweb MarketsNasdaq: TW: Operates electronic marketplaces for fixed income and derivatives trading.
8+ YOE8+ years full-stack engineering experience, 5+ years contributing to architecture, AWS/cloud experience, Java Spring/Python or Rust, SQL, ReactJS, REST/RPC, experience with resilient distributed systems and mentoring skills.
TransamericaNYSE: AEG: Provides insurance, retirement solutions, and investment products to customers.
12+ YOEBachelor's degree or equivalent, 12+ years software/devops experience, strong CI/CD expertise, Python and Bash scripting, deep AWS, containerization, IaC (Terraform), Java or .NET experience, database and API knowledge.
Senior Principal - AI Accelerated Engineering Lead
San Francisco or Washington or Denver
$193k-$281k/yrOnsiteFull Time
Slalom: Provides business and technology consulting and software engineering services.
8+ YOE8+ years building and operating production software, leadership in system or platform architecture, hands-on GenAI/agent experience, expertise in APIs/microservices/security, proficiency in TypeScript/Node, Python, or Java, cloud and DevOps skills.
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEBS in CS or related field; 5+ years web development; React.js; Flask/Express; Python/TypeScript/JavaScript; PostgreSQL; REST APIs; Git; TS/SCI clearance (active)
Anduril Industries: Defense technology building autonomous military hardware and software.
8+ YOEBachelor's in CS/Engineering/Math/Physics or equivalent,8+ years experience,proficiency in C++ and Python,strong math foundation,software engineering fundamentals,and ability to obtain Top Secret/SCI clearance.
bet365: Provides global online sports betting and digital casino games.
Experience leading development teams, mentoring developers, cloud platform experience, knowledge of React, Typescript, Go/Golang, SQL and Kafka; strong problem-solving and delivery focus.
RGPNasdaq: RGP: Provides specialized consulting and on-demand talent for business transformation.
4+ YOE4+ years ServiceNow implementation experience, 8+ years technical delivery experience, technical leadership, proficiency with JavaScript/modern web stack, Agile delivery, and ServiceNow certifications.
Urban Sky: Develops reusable stratospheric balloons for high-resolution aerial imagery.
8+ YOESenior software engineer with 8+ years of experience, strong system design, backend and frontend skills, SQL, cloud, DevOps, and production ownership.
HPNYSE: HPQ: Produces personal computers, printers, and related digital imaging products.
5+ YOEAI/DS engineer with ML, NLP, CV experience; strong data science and big data skills; 5-7 years in software/architecture; cloud proficiency; Agile; strong communication.
Atlanta or Denver or New York or Albany or Baltimore or Boston or Greenville or Charleston or Columbia or Winston-Salem or Greensboro or Raleigh or Charlotte or Durham or Charlottesville or McLean or Houston or Huntsville or San Francisco or Walnut Creek or Irvine or San Diego or Glendale or Sunnyvale or Reno or Las Vegas or Nashville or Tucson or Phoenix or Washington or Wilmington
$72k-$121k/yrRemoteFull Time
Womble Bond Dickinson: Transatlantic law firm providing comprehensive legal services to businesses.
5+ YOE5+ years data engineering with Microsoft technologies; strong C#, .NET, Blazor, React, TypeScript; SQL Server/T-SQL; Azure Data Factory, Microsoft Fabric, Delta Lake; production AI/RAG experience; Git and Azure DevOps.
C#, .NET, Blazor, React, TypeScript, Microsoft Power Platform, Microsoft Power Apps, Microsoft Power Automate, Microsoft Dataverse, Azure Data Factory, Microsoft Fabric, Delta Lake, Dataflow Gen2, Azure SQL, Azure Synapse, SQL Server, T-SQL, SSRS, SSAS, Boomi, Azure AI Foundry, Microsoft Agent Framework, Copilot Studio, Microsoft Copilot, Microsoft Teams, Microsoft Office add-ins, Git, Azure DevOps
Atlanta or Austin or Boston or Chicago or Denver or New York or San Francisco
$134k-$212k/yrHybridFull Time
Iterable: AI-powered customer engagement and cross-channel marketing automation platform.
Experience building production-ready, scalable web apps; proficiency in Scala and/or Java; familiarity with Elasticsearch, Postgres; strong collaboration and learning mindset.
OrthoFi: Software for orthodontic practice operations and patient financing.
10+ YOE10+ years software development experience, 4+ years in senior roles. Strong .NET Core/.NET Framework, React/Angular, SQL Server, AWS, CI/CD experience; Bachelor's in STEM required; experience with AI coding tools preferred.
DHI GroupNYSE: DHX: Operates specialized career marketplaces and talent acquisition software platforms.
Experience building production-grade applications with Node.js and TypeScript, REST/GraphQL services, React/Next.js, AWS and container deployments; automated testing and AI-native workflows; senior technical leadership and mentoring.
Cubby Beds: Manufactures smart sensory beds for children with special needs.
5+ YOE5-10 years shipping production systems; experience integrating multiple SaaS/data flows in regulated environments; strong data pipelines and warehouse skills (SQL, Python, dbt, ELT); frontend and backend capabilities; AI tooling expertise; based in or willing to relocate to Denver.
Havenly: Online interior design and home furnishing retail platform.
Strong full‑stack fundamentals, experience owning production systems, comfortable with ambiguity, able to use AI tools in engineering workflow; native iOS/3D/AI experience is a plus.
Canada or Toronto or Denver or North America or United States or United Kingdom or Jordan or New Zealand or Australia
$150k-$170k/yrRemoteFull Time
EverCommerceNASDAQ: EVCM: Provides integrated SaaS and payment solutions for service businesses.
5+ YOE5+ years product management experience (B2B SaaS/mobile preferred); owning customer-facing product areas, using customer discovery and analytics to set strategy and roadmap; strong cross-functional influence, communication, and AI tools familiarity; eligible to work in Canada without sponsorship.
React Native, Service Fusion, AI tools, iOS, Android
Austin or Chicago or Denver or Los Angeles or San Diego or San Francisco or United States or Australia or New Zealand or Canada or United Kingdom or Philippines
$131k-$169k/yrHybridFull Time
Karbon: Practice management software for accounting firms.
4+ YOE4+ years security/development experience embedding AppSec in SDLC, cloud (Azure/AWS/GCP), SAST/SCA/DAST configuration, CI/CD security, code review, Python/PowerShell/Bash, and strong communication skills.