85 javascript typescript jobs at 46 companies in Greeley, CO

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Javascript - Senior Developers - AI Training - Denver, USA
Denver, Colorado, United States
$50/hr RemoteContract, Part Time
Prolific
Prolific: Platform connecting researchers and AI developers with verified participants.
BS/MS/PhD in CS or related field, professional experience building scalable web apps with JavaScript/TypeScript, ability to solve LeetCode Medium–Hard, deep knowledge of event loop, closures, prototypal inheritance, async patterns, and testing/tools proficiency.
JavaScript (ES6+), TypeScript, React, Node.js, Vue, Angular, Jest, Cypress, Webpack, Vite, GraphQL, RESTful APIs, LeetCode
3w
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Engineering Manager - Content API (f/m/d)
Dublin or London or Berlin or Denver or San Francisco or New York City
RemoteFull Time
Contentful
Contentful: SaaS platform for headless content management and delivery.
5+ YOE5+ Mgmt5+ years leading development teams; proficiency in TypeScript, JavaScript, React, Node.js; experience with headless CMS (preferably Contentful); strong mentoring, stakeholder collaboration, and scalability experience.
TypeScript, JavaScript, React, Node.js, Contentful, PostgreSQL
3w
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Software Engineer Sr
Strongsville or Pittsburgh or Cleveland or Dallas or Phoenix or Denver or Birmingham
$86k-$158k/yr OnsiteFull Time
PNC Financial Services
PNC Financial ServicesNYSE: PNC: Provides banking, lending, and investment services to customers.
3+ YOE3+ years building Microsoft 365 solutions with SharePoint Online, SPFx, Power Platform, PowerShell, JavaScript/TypeScript, REST/Microsoft Graph, and Git; Bachelor's degree typical.
SharePoint Online, SharePoint Framework (SPFx), Power Platform, PowerShell, JavaScript, TypeScript, REST APIs, Microsoft Graph, JSON, HTML, CSS, Git, Microsoft 365, Power Apps, Power Automate
3mo
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Full Stack Web Developer
Denver, Colorado, United States
$90k-$190k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOE5+ years in web development; strong React.js and JavaScript/TypeScript; backend with Flask (Python) and Express.js (Node); PostgreSQL and RESTful APIs; Git; TS/SCI clearance required.
React.js, Flask, Express.js, PostgreSQL, Python, HTML5, CSS3, TypeScript, JavaScript, Git, Docker, WebSockets, Tailwind CSS, SQLAlchemy, Prisma, Drizzle, Redis, ORM
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GTM Engineer
Denver, Colorado, United States
$125k-$175k/yr HybridFull Time
Rabbet
Rabbet: Construction finance and loan management software platform.
Proficiency in Python/JavaScript/TypeScript, SQL; GTM tooling (Clay, Zapier, n8n); Salesforce customization; data pipelines; AI/LLM deterministic outputs; ROI-focused mindset.
Python, JavaScript, TypeScript, SQL, Salesforce, Clay, Zapier, n8n
1w
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Full-Stack Developer
Broomfield, Colorado, United States
HybridFull Time
Sonepar
Sonepar: Global distributor of electrical products and B2B solutions.
4+ YOEBachelor's in Computer Science or related, 4+ years full-stack development, proficiency with .NET, C#, ASP.NET MVC, REST/APIs, JavaScript/TypeScript, and Microsoft SQL Server.
.NET, .NET Framework, ASP.NET, MVC, C#, Microsoft Visual Studio, Microsoft SQL Server, XML, JSON, TypeScript, JavaScript, jQuery, HTML, CSS, REST, Web API
2mo
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UI Developer
Aurora or Herndon
$122k-$183k/yr OnsiteFull Time
Two Six Technologies
Two Six Technologies: Develops cybersecurity and data systems for national security missions.
5+ YOE5+ years software engineering; 2+ years JavaScript/TypeScript; Bachelor's in Systems Engineering, Computer Science, Information Systems, or related field; front-end frameworks; collaborative teamwork.
JavaScript, TypeScript, D3.js, Cesium, SCSS, Bootstrap, RxJS, Sketch, Figma, Jasmine, Karma, Vitest, Cypress, Git, Jira
3mo
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Software Development Engineer In Test, Verifications
Denver, Colorado, United States
$100k-$135k/yr HybridFull Time
bet365
bet365: Provides global online sports betting and digital casino games.
5+ YOEDesign automated test suites for complex systems; use AI for testing; CI/CD; languages: C#, JavaScript/TypeScript, Python, Go; Docker/Kubernetes; cloud platforms; mentoring.
Go, React, JavaScript, TypeScript, Python, C#, Docker, Kubernetes, Git, Google Cloud, AWS, Azure, CI/CD
3mo
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Lead Sr Staff Software Engineer - Front End Fundamentals
Bellevue or Boulder or Chicago or Denver or Irvine or Los Angeles or New York or San Francisco or San Jose or Seattle or Ventura
$166k-$305k/yr HybridFull Time
The Trade Desk
The Trade DeskNASDAQ: TTD: Cloud-based programmatic advertising platform for data-driven media buying.
13+ YOE1+ MgmtSenior frontend leadership role requiring 13+ years of software development, 1+ year of people management, strong TypeScript/JavaScript or other languages, cloud and distributed systems experience, and mentoring.
TypeScript, JavaScript, C#, Java, C, C++, Python, SQL, Scala
4w
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Lead Full Stack Engineer
Denver, Colorado, United States
$130k-$155k/yr OnsiteFull Time
AIR Communities
AIR Communities: Owns and operates residential apartment communities across the US.
10+ YOE10+ years full‑stack experience with C#/.NET, React.js, JavaScript/TypeScript, RESTful APIs, relational databases; experience with cloud platforms, CI/CD, security best practices, and technical leadership.
.NET, React.js, JavaScript, TypeScript, ASP.NET Core, Entity Framework, SQL Server, Postgres, Azure Service Fabric, Azure, AWS, GCP, Git, CI/CD, SAST, SCA, DAST
2d
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Mobile Developer, ServeManager
Denver, Colorado, United States
$96k-$135k/yr HybridFull Time
InfoTrack
InfoTrack: Software platform connecting law firms to courts and litigation services.
3+ YOE3+ years building production mobile apps; strong React Native, TypeScript, modern JavaScript; experience debugging iOS/Android, REST APIs, testing tools; understanding of mobile security and privacy.
React Native, TypeScript, JavaScript, Xcode, Android Studio, REST APIs, TestFlight, Google Play, App Store, Jest, React Native Testing Library, Expo, EAS, Google Play
1mo
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Systems Engineer (Hubspot)
Santa Fe or Denver or Las Vegas or Houston or Dallas or Texas or Colorado or New York or Nevada or New Mexico
$91k/yr HybridFull Time
Meow Wolf
Meow Wolf: Creates large-scale immersive and interactive multimedia art installations.
4+ YOE4+ years designing scalable systems, enterprise HubSpot administration, 3+ years building API integrations, proficiency with JavaScript/Typescript/Python/CSS, Asana familiarity, strong documentation, security, and communication skills.
HubSpot, Asana, Javascript, Typescript, Python, CSS
1mo
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Senior Software Developer, Front-end
Denver or Sterling
$99k-$207k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
7+ YOEActive TS/SCI clearance (polygraph preferred), 7+ years software development, proficiency in JavaScript/TypeScript, Linux experience, Security+ (or willingness), strong system design, leadership and cloud-native development experience.
JavaScript, TypeScript, Linux, Svelte, WebSocket, Kubernetes, RESTful API
1d
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Software Engineer I
Westminster, Colorado, United States
$85k-$95k/yr OnsiteFull Time
Inovonics
Inovonics: Manufacturer of high-performance wireless sensor networks for commercial security.
1+ YOEBachelor's in EE/CE/CS required,1-3 years experience; experience with Python/Flask, HTML, JavaScript/TypeScript, CSS, REST/MQTT, Kubernetes, Linux, Git; strong debugging and communication skills.
Python, Flask, HTML, JavaScript, TypeScript, CSS, REST, MQTT, Angular, Aurelia, Kubernetes, Linux, Git
2w
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Forward Deployed Engineer (FDE) - Public Sector, Nonprofit & Education
McLean or Maryland or Chicago or West Virginia or Virginia or Irvine or Indianapolis or San Francisco or New York City or Dallas or Denver or Atlanta or Austin
$89k-$288k/yr HybridFull Time
Salesforce
SalesforceNYSE: CRM: Sells cloud-based customer relationship management and business software solutions.
3+ YOE3+ years software engineering or technical delivery experience, customer-facing delivery experience, production systems experience, proficiency with Python/JavaScript/TypeScript/Java/Apex, hands-on LLM and data integration experience.
Cursor, Claude, Vibes, Agentforce, Python, JavaScript, TypeScript, Java, Apex, LangChain, LlamaIndex, Snowflake, Databricks, BigQuery
1mo
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Attune - Senior Software Engineer
Dallas or Denver or New York City or Omaha or United States
$139k-$170k/yr RemoteFull Time
Method Insurance
Method Insurance: Provides specialized workers' compensation insurance and risk management services.
5+ YOE5+ years professional software engineering experience; expert in JavaScript/TypeScript; experience with Python, Java, or Go preferred; strong CS fundamentals; experience with Git, CI/CD, Docker, Kubernetes, and cloud (AWS).
JavaScript, TypeScript, Python, Java, Go, Git, Docker, Kubernetes, Terraform, AWS, CI/CD
3w
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Senior Site Reliability Automation Engineer
Raleigh or Denver
HybridFull Time
Litera
Litera: AI-powered document and workflow software for legal professionals.
7+ YOE7+ years in SRE/DevOps/platform engineering; strong software development in Python, PowerShell, TypeScript, JavaScript, Java, or C#; experience with CI/CD, AWS and/or Microsoft Azure, production troubleshooting, root cause analysis, and automation.
Python, PowerShell, TypeScript, JavaScript, Java, C#, CI/CD pipelines, AWS, Microsoft Azure, Datadog, Dynatrace, Splunk, New Relic, Azure Monitor, Amazon CloudWatch
1w
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Full Stack Software Engineer
Denver or United States
RemoteFull Time
DomainTools
DomainTools: Provides DNS-based threat intelligence and domain investigation solutions.
3+ YOEMinimum 3 years modern web development; strong PHP (Laravel/Symfony) and OOP PHP7+; JavaScript (ES7+), TypeScript, React18+, Redux; unit/integration testing (PHPUnit, Jest); API development; Git and Docker experience.
Laravel, Symfony, PHP, JavaScript, TypeScript, React 18, Redux, PHPUnit, Jest, Git, Docker, Babel, Webpack, ESLint, Kubernetes, TestCafe, Playwright, MySQL, HTML5, CSS3
1w
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Lead AI Engineer
Denver or San Francisco or Chicago or Dallas or Phoenix
$147k-$202k/yr OnsiteFull Time
Prologis
PrologisNYSE: PLD: Develops and leases global industrial and logistics real estate.
6+ YOE6+ years in software/platform/data/applied AI, experience building and deploying LLM/agent workflows, strong programming in Python/TypeScript/JavaScript, API and SaaS integration, and ability to lead technical scoping and production delivery.
Python, TypeScript, JavaScript, OpenAI Agents SDK, LangChain, LangGraph, LlamaIndex, MCP, AutoGen, CrewAI, n8n, Autodesk, BIM, AWS IoT, AWS Lambda, Snowflake
4w
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Forward Deployed Engineer
Chicago or Denver or Houston or Minneapolis or New York City
$116k-$223k/yr OnsiteFull Time
Spaulding Ridge
Spaulding Ridge: Global advisory and cloud technology implementation firm.
7+ YOE7+ years consulting or related experience; strong Snowflake architecture, SQL, data modeling, ELT/ETL, dbt, full-stack development (Python, JavaScript/TypeScript), API/integration experience, client advisory and team leadership.
Snowflake, Snowpark, dbt, Fivetran, Boomi, MuleSoft, Workato, Matillion, Apache Airflow, Sigma, Microsoft Power BI, Tableau, Looker, Omni, JavaScript, TypeScript, React, Next.js, Node.js, Python, FastAPI, Flask, .NET, Java, SQL, Git, CI/CD, Streamlit, Cortex, Apache Iceberg, Microsoft Fabric, REST, JSON, OAuth, ELT, ETL, iPaaS