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45 web applications developer jobs at 25 companies in Lakewood, CO

3d
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Web Developer
Aurora or Denver
RemoteFull Time
Zimmerman Associates, Inc.
Zimmerman Associates, Inc.: Private information-management and engineering contractor serving U.S. government, defense, civilian, state, local, commercial, and nonprofit clients.
Bachelor's degree or equivalent experience, 5+ years supporting web applications, Drupal, CMS, and LAMP architecture. U.S. citizenship and ability to obtain Public Trust clearance required.
Drupal, Linux, Apache, MySQL, PHP, HTML5, CSS, jQuery, JavaScript, Twig, Adobe Photoshop, Adobe Illustrator, Canva, Microsoft Office Suite, SEO
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2w
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Junior Applications Developer
Broomfield, Colorado, United States
HybridFull Time
Sonepar
Sonepar: Global leader in B2B distribution of electrical products and services.
1+ YOEBachelor's degree in computer science, information technology, or related field; 1–2 years of full-stack development experience with .NET, ASP.NET MVC, C#, SQL Server, web technologies, APIs, and integrations.
Microsoft .NET Framework, ASP.NET MVC, C#, Visual Studio, Microsoft SQL Server, RESTful services, Web API, JavaScript, TypeScript, jQuery, JSON, HTML, CSS, XML
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1mo
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IT Business Systems Analyst / Web Developer
Denver, Colorado, United States
$75k-$113k/yr OnsiteFull Time
UST
UST: Digital transformation and IT services.
Experience in business systems analysis, requirements gathering, WordPress development, PHP, JavaScript, HTML, CSS, SQL, MySQL, Linux, Git, Azure DevOps, application support, and production troubleshooting.
Azure DevOps, WordPress, PHP, JavaScript, HTML, CSS, SQL, MySQL, IIS, Apache, Linux, Git, Salesforce
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Software Engineer – Frontend Web Developer
Littleton or Denver
$134k-$181k/yr OnsiteFull Time
Four Sea Group
Four Sea Group: Employee-owned engineering providing technical mission support for defense and space programs serving government and industry.
4+ YOEBachelor’s degree or equivalent practical experience, 4+ years of software or frontend development, active Top Secret clearance, and experience with frontend applications, JavaScript, APIs, Git, Agile, and accessible interfaces.
HTML5, CSS3, LESS, SASS, Bootstrap, Bourbon, JavaScript, Angular, React, Git, GitHub, GitLab, Rails, Express, Django, RESTful APIs, Jenkins, Puppet, Docker, Kubernetes, D3, SAFe
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1mo
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Application Developer - JavaScript
Charlotte or Louisville or Minneapolis or Olympia or Philadelphia or Redlands or San Antonio or St. Louis or Vienna
$84k-$141k/yr OnsiteFull Time
Esri
Esri: Global leader in geographic information system (GIS) software.
2+ YOE2+ years web application development with JavaScript/TypeScript, experience with modern web frameworks, CI/CD, foundational cartography knowledge, bachelor's degree, and ability to travel up to 25–50%.
JavaScript, TypeScript, ArcGIS Maps SDK for JavaScript, React, Angular, Svelte, Vue, WebGL, ArcGIS Experience Builder, CI/CD
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2d
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Dashboard Developer | Remote
Denver, Colorado, United States
$65k-$75k/yr RemoteFull Time
Xcellent Technology Solutions
Xcellent Technology Solutions: XTS is a veteran-owned geospatial engineering and IT services provider supporting U.S. defense, intelligence, and civilian agencies.
5+ YOEBachelor’s degree in a related field and 5+ years’ experience developing responsive web applications with JavaScript and React; documentation and collaboration skills required.
JavaScript, React, Python, Node.js, Vite, Next.js, TypeScript, ArcGIS JavaScript API, AWS
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1mo
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Junior Application Developer
Denver or Springfield or Sterling or St. Louis
$53k-$106k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
0+ YOEBachelor's or equivalent, 0–3 years development experience, experience with Java and/or Python, familiarity with web apps and relational databases, TS/SCI clearance with polygraph required.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Git, CI/CD, containerization
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1mo
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Engineering - Software Engineer
Kentucky or Florida or Arizona or Colorado or Indiana or Missouri or Georgia or Texas or Alabama
OnsiteFull Time
Aline
Aline: Privately held senior care software platform helping senior living, post-acute, and home care operators manage operations.
Experience developing web applications with PHP and related frameworks, MySQL, Git, AWS, container tools (Vagrant/Docker), front-end (HTML5,CSS,Less,jQuery), familiarity with Agile; associates or bachelor's degree preferred; occasional travel.
PHP 5, Symfony, Zend, MySQL, Git, Agile, Amazon Web Services, Vagrant, Docker, jQuery, Less, Bootstrap, CSS, HTML 5, Linux Ubuntu, C#, .NET, React .js, node .js, Doctrine Entity Framework
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Software Engineer II
Lisbon or San Francisco or Denver or London or Sydney or New York City
€55k-€68k/yr HybridFull Time
Iterable
Iterable: AI-powered customer engagement software platform helping brands personalize communications across email, mobile, web, and other channels.
3+ YOERequires 3+ years of software development experience, production-ready scalable web application experience, proficiency in Scala or Java, Elasticsearch or Postgres experience, English fluency, EU work authorization, and on-call availability.
Scala, Java, Elasticsearch, Postgres, Redis, CRDB, Pulsar, Kafka, AWS, Docker, Kubernetes, React
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Software Developer 2
Centennial, Colorado, United States
$108k-$137k/yr OnsiteFull Time
RefiJet
RefiJet: Private Colorado auto-loan refinancing helping consumers compare lenders and secure better vehicle-loan terms nationwide.
2+ YOERequires 2–5 years of professional full-stack web application experience, backend and frontend proficiency, REST APIs, relational databases, automated testing, production debugging, Git, communication, and U.S. work authorization.
REST, Git, AI-assisted development tools, loan origination systems (LOS)
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1d
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Software Engineer
Aurora or Ypsilanti or King of Prussia
$69k-$142k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
3+ YOEActive TS/SCI clearance, bachelor's degree or equivalent, and 3+ years of professional software engineering experience. Requires Python, JavaScript/TypeScript, Git, Agile/Scrum, RESTful APIs, web applications, React, and FastAPI.
Python, React, AWS, Azure, Kubernetes, RESTful APIs, FastAPI, Git, JavaScript, TypeScript, GCP, Spring Boot, Docker, PostgreSQL, MySQL, Jenkins, GitLab CI, GitHub Actions
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2mo
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Sr Lead Engineer - I_Selenium with Java
Denver, Colorado, United States
$80k-$90k/yr OnsiteFull Time
CitiusTech
CitiusTech: Private healthcare IT services and consulting enterprise serving payers, providers, MedTech, and life sciences organizations.
7+ YOERequires 7+ years of experience in automation testing with Selenium and Java, QA processes, web applications, frameworks, CI/CD tools, and collaborative Agile or Waterfall projects.
Selenium, Java, Katalon, SQL, JIRA, QC, REST APIs, TestNG, Maven, Selenium WebDriver, Eclipse, GitHub, Jenkins, VBScript, HP UFT, Cloud
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1d
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Software Engineer, Growth
New York City or Denver or United States or San Francisco
$115k-$280k/yr HybridFull Time
Ambrook
Ambrook: Private fintech providing accounting, payments, and financial-management tools for American family-run businesses.
4+ YOERequires 4+ years of software engineering experience, including 2+ years working on growth problems, experimental data thinking, cross-functional collaboration, product and design sense, and web application experience.
Next.js, React, TypeScript, Expo, React Native, Firestore, PostgreSQL, Google Cloud Storage, Sanity, GCP, BigQuery, Hex
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3w
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Senior Customer Solutions Engineer
Sunnyvale or Boulder or San Francisco
$152k-$221k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOG, GOOGL: Global technology specializing in internet-related services and products.
6+ YOEBachelor's in engineering/CS or equivalent,6+ years with client-side web tech and programming,experience troubleshooting partners,EMR not applicable; SQL/NoSQL and systems experience preferred.
HTML, CSS, JavaScript, HTTP, Java, C, C++, Python, SQL, NoSQL, Linux, Unix
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3w
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Senior Digital Engineer
Wheat Ridge, Colorado, United States
$105k-$131k/yr OnsiteFull Time
Jefferson Center
Jefferson Center: Nonprofit Colorado mental health provider offering counseling, psychiatric, substance-use, crisis, and related care to individuals and families.
5+ YOEBachelor's or equivalent,5+ years software engineering,3+ years web application experience,AWS,Terraform,CI/CD,AI-assisted development,Git; strong architecture, security, and healthcare/regulatory experience preferred.
Claude Code, GitHub Copilot, ChatGPT, Cursor, AWS, Terraform, Docker, Kubernetes, CloudFront, Route 53, Lambda, ECS, EKS, S3, RDS, GitHub Actions, Azure DevOps, Jenkins, React, TypeScript, JavaScript, HTML5, CSS3, Tailwind CSS, Python, .NET Core, REST APIs, GraphQL, Git
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2d
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Senior Full Stack Software Development
Grand Rapids or Los Angeles or Washington or Troy or New York City or Houston or Chicago or Owings Mills or Baltimore or Columbia or Richmond or Memphis or Raleigh or Boston or San Jose or San Francisco or Austin or Kalamazoo or Spokane or Denver or Fort Worth or Atlanta or Orlando or Dallas or Wilmington or Phoenix or San Antonio or Milwaukee or Madison or McLean or Melville or Woodbridge or Stamford or Miami or Philadelphia or Charlotte or Greenville or West Palm Beach or Costa Mesa or St. Louis or Fort Lauderdale or Seattle or Rosemont or Pittsburgh or Tulsa or Cincinnati or Cleveland or Columbus or Akron or Cherry Hill or Tampa or Minneapolis or Anchorage or Salt Lake City or Norfolk or Jacksonville or Boulder or Nashville or Oak Brook or Las Vegas or Indianapolis or San Diego or Potomac or Omaha
$110k-$120k/yr OnsiteFull Time
BDO USA
BDO USA: Professional services firm providing assurance, tax, and advisory services.
6+ YOERequires 6+ years developing full-stack web applications, 3+ years as a technical lead on large IT projects, and experience with at least two listed development areas. High school diploma required; bachelor's preferred.
AngularJS, React, .NET MVC, C#, Java, NodeJS, HTML, CSS, SASS, SQL Server, Oracle, MySQL, Azure Cosmos DB, MongoDB, Azure, AWS, ADF, SSIS, SSAS, SSRS, Power BI, Xamarin, Swift, Objective-C, GitHub Actions, Azure Pipelines, GitLab Runners, Microsoft Visual Studio, Microsoft Azure DevOps, GitHub, Microsoft Dynamics 365, Microsoft SQL Server, Azure SQL DB, Microsoft SQL Reporting Services, Azure Logic Apps, TypeScript, Angular, Microsoft Entity Framework, HTTP Debug Tools, Kentico CMS
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2d
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Senior Solutions Engineer
San Francisco or Denver or United States
$123k-$148k/yr HybridFull Time
Fastly
FastlyNasdaq Global Select Market: FSLY: Public edge cloud platform helping developers and businesses deliver and secure websites and applications near end users.
4+ YOERequires 4+ years in solutions engineering or a similar customer-facing technical role, web application security expertise, HTTP/TLS knowledge, project management experience, and enterprise solution delivery skills.
Fastly Next-Gen WAF, Edge WAF, Cloud WAF, On-Prem WAF, HTTP, TLS, curl, dig, tcpdump, Rust, Go, JavaScript, CISSP, CISA, AWS, GCP
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1mo
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Staff Engineer, Revenue Cycle
Denver or Dallas or Salt Lake City or Atlanta or Miami or Seattle or Boston or Portland or Austin or Durham or Tampa or Scottsdale
$165k-$180k/yr RemoteFull Time
SonderMind
SonderMind: Providing accessible, insurance-backed, and personalized mental health care.
8+ YOE8+ years building web services or full-stack applications; strong hands-on experience with Ruby/Rails, TypeScript/Node, Python, APIs, PostgreSQL, and MongoDB; mentoring and technical leadership experience; familiarity with LLM/AI toolchains preferred.
Ruby/Rails, TypeScript/Node, Python, MongoDB, PostgreSQL, RESTful, gRPC, Gemini, ChatGPT, Claude, GitHub Copilot, Langchain, Langgraph, LLMs
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3mo
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Engineer II – Ground/Application Software
Broomfield or Westminster or Boulder or Colorado or United States
$79k-$135k/yr OnsiteFull Time
BAE Systems
BAE SystemsLSE: BA.: Global defense, aerospace, and security technology.
2+ YOEBS in engineering or related field plus 2+ years' experience, active Secret clearance required and ability to obtain TS/SCI, experience with cloud, containerization, web and back-end technologies, OOP, UML, and formal software development practices.
CI/CD, Containerization, C/C++, Rust, Python, Ruby, AWS, Lambda, Docker, Kubernetes, Spring, Jersey, Flask, CherryPy, Ruby on Rails, JavaScript, Angular, React, JavaFX, Qt, SQL, NoSQL, JPA/ORM, Java, Cameo, PlantUML, MATLAB, gtest, ctest, MQTT, AMQP, Kafka, Nginx, Apache, Postgres
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1mo
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MEP Project Engineer - Data Center Construction
Omaha or Lincoln or Denver or Chicago or Seattle or Portland or Washington
$84k-$126k/yr FieldFull Time
Mortenson
Mortenson: US-based construction and real estate development firm.
1+ YOEBachelor's in engineering or equivalent experience, current driver's license, 1+ years related experience (level dependent), intermediate Microsoft Office and web application skills, strong communication and project coordination; ability to travel up to 100%.
Microsoft Office
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