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157 senior react developer jobs at 81 companies in Greeley, CO

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Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
2mo
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Senior Application Developer
Aurora, Colorado, United States
$85k-$95k/yr HybridFull Time
University of Colorado
University of Colorado: Public research university providing higher education and healthcare services.
2+ YOESenior developer for identity and access management; design, develop, and support secure, multi‑system web apps with identity/authentication integrations.
ASP.NET, NodeJS, MVC, TypeScript, Angular, Vue, React, MySQL, Oracle, MSSQL Server, Java, Python, Ruby, C#
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6d
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Senior Software Engineer
Denver, Colorado, United States
$130k-$150k/yr HybridFull Time
OrthoFi
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.
.NET Core, .NET Framework, React, Angular, SQL Server, AWS, CI/CD, Terraform, Datadog, GraphQL, ElasticSearch, Claude, GitHub Copilot, Cursor, Playwright, Model Context Protocols (MCP)
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2mo
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Senior Software Engineer
Denver, Colorado, United States
$143k-$183k/yr HybridFull Time
DAT Freight & Analytics
DAT Freight & Analytics: Software platform for freight matching and logistics data analytics.
5+ YOE5+ years of software development; strong Node.js; AWS; Kubernetes; Datadog; microservices; relational and NoSQL databases; Bachelor's degree in CS or related field.
Node.js, Docker, Kubernetes, AWS, Datadog, Angular, React, Web Components, Kafka, SQL, NoSQL
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1mo
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Senior Software Engineer, Web Experience
Denver, Colorado, United States
$160k-$200k/yr HybridFull Time
Kharon
Kharon: Global risk analytics platform for sanctions compliance and trade controls.
6+ YOE6+ years in software engineering; strong React/Next.js; technical SEO; OAuth/OIDC; headless CMS; marketing integrations; full stack capability with Python/Java; strong communication.
React, Next.js, TypeScript, Python, Java, Auth0, AWS, Docker, Kubernetes, HubSpot, Google Analytics 4, GTM, Tailwind, GraphQL, REST
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1mo
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Senior Software Engineer
Spring or Fort Collins
$131k-$205k/yr OnsiteFull Time
HP
HPNYSE: HPQ: Produces personal computers, printers, and related digital imaging products.
4+ YOE4-7 years in software engineering; Windows-based app development; C/C++; Win32 API; multithreading; CI/CD; Git; MSTest; Agile; Azure; AI platform familiarity.
C++, Win32 API, Multithreading, Git, CI/CD, MSTest, Agile, Azure, Docker, Kubernetes, Python, JavaScript, React, SQL, API, AWS
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2w
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Senior Software Engineer
Denver or United States
$120k-$160k/yr HybridFull Time
DHI Group
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.
Node.js, TypeScript, RESTful, GraphQL, React, Next.js, AWS, Docker, Fargate, Kubernetes, Playwright, LiteLLM, Python, Java, PostgreSQL, SNS, SQS, Lambda
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2mo
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Senior Security Engineer
Austin or Chicago or Dallas or Denver or Los Angeles or San Diego or San Francisco
$131k-$169k/yr HybridFull Time
Karbon
Karbon: Practice management software for accounting firms.
4+ YOESenior Security Engineer with 4+ years in security or development; strong communication; cloud and AI experience; hands-on with security tooling and threat modelling.
DotnetCSharp, JavaScript, React, EmberJS, Python, Azure, AWS, GCP, PowerShell, Bash, GitHub Copilot, Burp Suite
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2mo
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Senior Software Engineer I
Denver or New York City or San Francisco
$189k-$200k/yr HybridFull Time
Forge Global
Forge GlobalNYSE: FRGE: Marketplace for trading private shares and pre-IPO stock.
5+ YOE3–5+ years in OO languages (TypeScript, C#, Java); Python for data tasks; React/Tailwind; data architectures; private markets data; CI/CD, data orchestration; cloud (AWS/Azure/GCP); Git/GitHub; Agile tools (JIRA).
TypeScript, C#, Java, Python, React, TailwindCSS, Medallion, Data lakes, CI/CD, PostgreSQL, SQL, AWS, Azure, GCP, Git, GitHub, JIRA
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4d
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Senior Software Engineer, Offers
Denver, Colorado, United States
$125k-$155k/yr HybridFull Time
bet365
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.
Go, Typescript, React, SQL, Kafka, GCP, C#, .net, MSSQL, WPF
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4w
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Senior Software Engineer (Mobile) - ServiceCore
Denver, Colorado, United States
$125k-$165k/yr RemoteFull Time
ServiceCore
ServiceCore: Business management software for liquid and solid waste industries.
5+ YOE5+ years mobile development experience, production React Native and TypeScript expertise, strong mobile architecture and offline-first design skills, experience with AI-assisted development tools, and mentoring experience.
React Native, Expo, TypeScript, React, PHP Laminas Framework, MySQL, AWS, Cursor, Copilot, GitHub Copilot
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1w
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Senior Software Engineer, Fleet & Planning
Atlanta or Boston or Chicago or Denver or Los Angeles or New York City or San Francisco or Austin or United States
$160k-$190k/yr RemoteFull Time
Flock Safety
Flock Safety: Sells AI-powered cameras and software for public safety surveillance.
Senior software engineer experienced with Typescript/Node, modern web frameworks (React), SQL, Docker, Helm, Kubernetes, and AWS; builds geospatial routing, automated permitting, and customer dashboards; CJIS eligibility required.
Typescript, Node, React, Vue, Angular, SQL, Docker, Helm, Kubernetes, AWS, S3, API Gateway, SQS, Claude, Copilot, Codex
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1w
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Senior Software Engineer
Denver, Colorado, United States
$160k-$185k/yr HybridFull Time
Litera
Litera: AI-powered document and workflow software for legal professionals.
5+ YOE5+ years backend software development with .NET/.NET Core and Web/REST APIs; frontend experience with React/Vue/Angular/Svelte and Typescript; SQL experience; unit testing; AI/LLM development experience; strong communication and problem-solving.
Cognition AI, Devin, Cline, Replit, Cursor, Azure OpenAI, Anthropic, GitHub, Azure DevOps, Bit, Microsoft Visual Studio Code, Microsoft Visual Studio, SQL Azure, SQL Server, Unknit, MSTest, PostgreSQL, Docker, Azure, AWS, GCP, GitHub Copilot, Windsurf, Codex
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3mo
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Senior Software Engineer (Channels)
Atlanta or Austin or Boston or Chicago or Denver or New York or San Francisco
$134k-$212k/yr HybridFull Time
Iterable
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.
Scala, Elasticsearch, Postgres, Redis, Pulsar, Kafka, AWS, Docker, Kubernetes, React
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1w
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Senior Full Stack Product Engineer
Denver, Colorado, United States
OnsiteFull Time
LearnLux
LearnLux: Digital financial planning and advisor access for employee wellbeing.
Senior full-stack engineer with experience shipping GenAI/LLM features, React/TypeScript frontend, Node.js/Python backend, cloud (GCP/AWS/Azure), strong product judgment and cross-functional leadership.
React, TypeScript, Node.js, Python, Google Cloud Platform, GCP, AWS, Azure
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2mo
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Sr. Software Engineer - Mixed Portfolio Foundation
Santa Barbara or Dallas or San Diego or Remote United States or San Francisco or Denver or Atlanta or Chicago or Washington, D.C.
$138k-$173k/yr RemoteFull Time
AppFolio
AppFolioNASDAQ: APPF: Provides cloud-based property and investment management software.
5+ YOE5+ years of experience building web-based SaaS apps; strong data modeling; proficient with Ruby on Rails, React, MySQL, AWS; agile processes; test-driven development.
Ruby on Rails, React, MySQL, AWS, SOA
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1w
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Senior Frontend Engineer
Denver, Colorado, United States
$160k-$185k/yr OnsiteFull Time
AgentSync
AgentSync: Modern insurance compliance and producer management software.
5+ YOE5+ years building production web apps; deep React expertise; strong HTML/CSS, accessibility, responsive design; experience with component libraries/design systems; proven use of AI tools; familiarity with backend (Java/Go) and AWS is beneficial.
React, Figma, Claude Design, Java, Go, AWS
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3w
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Senior Software Engineer
Denver or London or Amsterdam or United States
$145k-$160k/yr RemoteFull Time
SRS Acquiom
SRS Acquiom: Provides technology and services for M&A and loan transactions.
5+ YOE5+ years building web applications; Bachelor's in CS/Engineering/Math/Business or equivalent; experience with Git/SVN, REST/JSON, Angular or React, HTML/CSS/SASS/SCSS, Docker, Kubernetes, MySQL, PHP/Laravel, testing, mentoring, and Agile.
Git, SVN, REST, JSON, Angular, React, HTML, CSS, SASS, SCSS, Docker, Kubernetes, MySQL, PHP, Laravel
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1mo
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Senior Software Engineer (AI-First/Agentic Development)
Denver, Colorado, United States
$115k-$145k/yr OnsiteFull Time
FRONTSTEPS
FRONTSTEPS: Software platform for HOA and community association management.
5+ YOE5+ years development experience with C#, Microsoft SQL Server, Entity Framework, MVC, Web APIs; 3+ years cloud architecture (Microsoft Azure); 1+ year AI-assisted development and Docker; TypeScript/JavaScript and React/Angular/Vue experience; Bachelor's in IT or equivalent experience.
Claude Code, Anti-gravity, GitHub Copilot, Docker, TypeScript, JavaScript, C#, Microsoft SQL Server, Entity Framework, MVC, Web API, Microsoft Azure, VM, Functions, LogicApps, ServiceBus, React, Angular, Vue, React Native, Microsoft Azure Pipelines, TCP/IP
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1mo
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Senior Software Engineer, Growth & Platform
Denver, Colorado, United States
$184k-$223k/yr HybridFull Time
Cubby Beds
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.
SQL, Python, dbt, ELT, TypeScript, React, GitHub, CI/CD
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1mo
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Senior JavaScript Web Developer
Fort Collins, Colorado, United States
$118k-$176k/yr HybridFull Time
Schneider Electric
Schneider ElectricEuronext Paris: SU: Provider of energy management and industrial automation solutions.
8+ YOE8+ years software engineering experience, BS/MS in CS or related field, deep React and TypeScript expertise, experience with HTML/CSS, Microsoft Azure, .NET/C#, RESTful APIs, architecture leadership, and delivering scalable web applications.
React, TypeScript, HTML, CSS, Microsoft Azure, .NET developer tools, C#, Esri GIS, ArcGIS Pro, Maps.SDK, RESTful APIs
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