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Top Javascript Jobs in Denver & Boulder, CO

Reposted 11 Days AgoSaved
Remote or Hybrid
Colorado
154K-220K Annually
Senior level
154K-220K Annually
Senior level
Cloud • Information Technology • Security • Software • Cybersecurity
The Senior Staff Software Engineer will design and implement scalable backend services in Go, mentor junior staff, and ensure code quality through testing and reviews.
Top Skills: AthenaAWSCi/CdDockerGitGoGoJavaScriptKubernetesPostgresReactRedisTrino
Reposted 14 Days AgoSaved
Hybrid
Colorado
115K-135K Annually
Mid level
115K-135K Annually
Mid level
AdTech • Big Data • Digital Media • Software
As a Software Engineer II, you will develop APIs and UIs, manage project priorities, write production-ready code, and collaborate across teams.
Top Skills: JavaScriptJenkinsJIRALinuxPHPPostgresPythonRestful ApisRubySQLTypescript
Reposted 10 Days AgoSaved
Remote
Colorado
Senior level
Senior level
Artificial Intelligence • Fintech • Software • Financial Services
The role involves leading the development of a high-performance Web SDK for fraud detection and risk management, implementing algorithms for device fingerprinting, and ensuring security and performance optimization.
Top Skills: BabelGitJavascript (Es6+)Rest ApisRollupTypescriptWebpack
Reposted 14 Days AgoSaved
Easy Apply
Remote
Colorado
Easy Apply
Mid level
Mid level
Information Technology • Software • Consulting
Lead the architecture and building of React projects, estimate JavaScript tasks, and mentor engineers while connecting engineering to business objectives.
Top Skills: JavaScriptNode.jsPHPReactWordpress
Reposted 14 Days AgoSaved
Easy Apply
Remote
Colorado
Easy Apply
Senior level
Senior level
Information Technology • Software • Consulting
As a Senior JavaScript Engineer, you'll lead React projects, estimate workloads, review code, and align engineering with client objectives, creating scalable web applications.
Top Skills: Es6+JavaScriptNode.jsReactWordpress
Reposted 21 Days AgoSaved
In-Office
Colorado
Junior
Junior
Information Technology • Software
Develop applications for a top financial institution focusing on front-end development and participating in the full software lifecycle.
Top Skills: AngularjsJavaJavaScriptLinux
Reposted 21 Days AgoSaved
In-Office
Colorado
Entry level
Entry level
Information Technology • Software
Join a team of JavaScript developers focusing on browser-based JavaScript development without frameworks. Knowledgeable in various technologies is necessary.
Top Skills: .NetCSSGitJavaJavaScriptJSONPHPPythonRestSQL
Reposted 21 Days AgoSaved
In-Office
Colorado
Entry level
Entry level
Information Technology • Software
The JavaScript Developer will create high performing front-end applications, test them, and collaborate within an Agile team environment.
Top Skills: AgileAngularBackboneCSSCxfHadoopHTML5Java Web ServicesJavaScriptJaxbJqueryPostgresPrototypeRdbmsRestTomcatUnix
YesterdaySaved
Remote
Colorado
200K-200K Annually
Senior level
200K-200K Annually
Senior level
HR Tech • Other • Professional Services
As Founding Full-Stack Engineer, lead the development of technology solutions, build integrations, and define tech roadmap priorities in a remote role for an insurance tech provider.
Top Skills: Automated TestingAWSCi/CdJavaScriptNext.JsNode.jsReactTypescript
Reposted 2 Days AgoSaved
Remote
Colorado
140K-180K Annually
Senior level
140K-180K Annually
Senior level
Legal Tech • Software
Design, develop, and maintain web applications using JavaScript, Node.js, and React. Collaborate on features, resolve issues, and improve engineering standards.
Top Skills: JavaScriptNode.jsReact
Reposted 2 Days AgoSaved
Remote
Colorado
Senior level
Senior level
Information Technology • Consulting
Lead the development of data science dashboards to mitigate fire hazards, collaborating with various teams to enhance the web application and optimize backend services.
Top Skills: AWSFlaskJavaScriptPythonRestful Api
4 Days AgoSaved
Easy Apply
Remote
Colorado
Easy Apply
100K-185K Annually
Senior level
100K-185K Annually
Senior level
eCommerce • Retail • Software
As a Senior Fullstack Software Engineer, you will guide architectural decisions, mentor junior developers, handle complex technical challenges, and ensure project alignment across teams using various front-end and back-end technologies.
Top Skills: AngularApi GatewayAws LambdaAws SagemakerCloudFormationDynamoDBGlueJavaScriptKinesisMicrosoft Sql ServerNode.jsNoSQLOpensearchPythonReactRedisServerlessTerraformTypescript
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Reposted 12 Days AgoSaved
Remote
Colorado
100K-250K Annually
Mid level
100K-250K Annually
Mid level
Artificial Intelligence • Information Technology • Software • Database • Analytics • Business Intelligence
The role involves building user experiences, APIs, and data handling processes in a TypeScript application using React and Remix, while balancing performance and quality.
Top Skills: AmplitudeAWSGoogle AnalyticsJavaJavaScriptKotlinLookerModeReactRemixSQLTableauTypescript
Reposted 2 Days AgoSaved
Remote
Colorado
150K-220K Annually
Senior level
150K-220K Annually
Senior level
Fintech • Financial Services
As a Senior Software Engineer at Flex, you'll design and maintain financial services architecture, mentor junior engineers, and ensure scalability and security for innovative financial products.
Top Skills: AWSAzureGCPNode.jsTypescript
Reposted 4 Days AgoSaved
Remote
Colorado
Senior level
Senior level
Artificial Intelligence • Software • Web3
Seeking a Senior Software Engineer for full-stack development with 6+ years experience, focusing on Ruby on Rails and cloud technologies, in a remote US position.
Top Skills: AWSBootstrapHerokuPsqlRuby On Rails
Reposted 21 Days AgoSaved
Easy Apply
Remote
Colorado
Easy Apply
15-150 Annually
Mid level
15-150 Annually
Mid level
Artificial Intelligence • Information Technology • Internet of Things
As a Software Engineer focused on AI training, you'll evaluate AI-generated JavaScript, write solutions, and identify code logic issues to enhance AI systems.
Top Skills: JavaScriptNode.jsReact
Reposted 3 Days AgoSaved
Remote
Colorado
Senior level
Senior level
Software
Build end-to-end features, design intuitive interfaces, manage asynchronous backend jobs, and contribute to open-source efforts, while leading project development from concept to monitoring.
Top Skills: ClickhouseGraphQLRustTemporalTypescript
Reposted 6 Days AgoSaved
Remote
Colorado
175K-200K Annually
Senior level
175K-200K Annually
Senior level
Software
Design and develop scalable backend systems for SaaS applications, mentor engineers, and lead projects while collaborating with cross-functional teams.
Top Skills: GoGraphQLPostgresRedis
Reposted 5 Days AgoSaved
Remote
Colorado
Junior
Junior
Information Technology
Seeking talented Backend Software Engineers to develop solutions for large scale problems and manage project deliverables in machine learning infrastructure.
Top Skills: CC++GoJavaKubernetesMicroservicesPython
Reposted 4 Days AgoSaved
Remote
Colorado
Senior level
Senior level
Artificial Intelligence • Software • Web3
The Sr. Backend Engineer will develop the core platform and web app using Typescript and Node.js, focusing on performance optimization and UI/UX implementation.
Top Skills: Node.jsTailwindcssTurborepoTypescript
Reposted 10 Days AgoSaved
In-Office or Remote
Colorado
30-100 Hourly
Senior level
30-100 Hourly
Senior level
Marketing Tech • Software
The role involves full stack development, maintaining enterprise applications, collaborating on technical solutions, and ensuring high-quality code and documentation.
Top Skills: AWSNode.jsReact
Reposted 6 Days AgoSaved
Colorado
144K-299K Annually
Senior level
144K-299K Annually
Senior level
AdTech • Digital Media • Information Technology • Other
Lead the development of features for Yahoo Finance focusing on personalization, implement best practices, and mentor other engineers.
Top Skills: CSSGraphQLHTMLJavaScriptNextjsNode.jsNuxtReactRestfulScssSvelteSveltekitTypescriptVue
Reposted 10 Days AgoSaved
Remote
Colorado
Mid level
Mid level
Big Data
Seeking exceptional software engineers to build and maintain user-friendly backend systems primarily in Clojure and JavaScript, focusing on product complexities and user experience.
Top Skills: ClojureJavaJavaScriptJdbcTypescript
Reposted 16 Days AgoSaved
Remote
Colorado
Mid level
Mid level
Fintech • Payments • Financial Services
Develop and implement features by building backend APIs and frontend code, lead projects, and collaborate with teams to solve user problems.
Top Skills: AWSReactRspecRuby On Rails
Reposted 12 Days AgoSaved
In-Office
Colorado
Senior level
Senior level
Consumer Web • Other
The role involves developing high-scale, distributed backend systems, collaborating with teams, and optimizing products through A/B testing.
Top Skills: AWSElasticsearchHiveJavaKafkaKibanaRestful Api
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