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Top Senior Full-Stack Engineer Jobs in Denver & Boulder, CO
eCommerce
The Senior Platform Engineer will develop features for an ecommerce platform, mentor engineers, optimize systems, and improve tools and processes.
Top Skills:
Adobe CommerceAWSDockerGitGoGraphQLJavaKubernetesMagentoMariadbMySQLNew RelicOauthPHPReactRedisRestful ApisServerless FrameworkTypescript
Artificial Intelligence • Productivity • Software • Automation
The Senior Fullstack Engineer will build and manage enterprise authentication systems, improve user session management, ensure security compliance, and support internal API usage across services, while enhancing performance and reliability.
Top Skills:
Ci/CdDjangoFastifyKubernetesNode.jsPythonTerraform
Marketing Tech • Real Estate • Software • PropTech
The Senior Full Stack Engineer will develop and maintain features for Engrain's products, integrate AI tools, mentor junior staff, and support DevOps practices.
Top Skills:
CSS3HTML5JavaScriptLaravelMySQLPHPReactReduxRestful Apis
Cloud • Fintech • Food • Information Technology • Software • Hospitality
As a Senior Fullstack Engineer, you'll contribute to backend development for Toast's New Ventures team, collaborating on architecture and launching MVPs while addressing unmet operator needs.
Top Skills:
JavaKotlin
Artificial Intelligence • Cloud • Software • Infrastructure as a Service (IaaS)
The Senior Full-Stack Engineer will lead technical areas, develop AI application services, maintain APIs, collaborate on design, and ship product features.
Top Skills:
Ai TechniquesAPIsGoLlmsMcpsMl PlatformsPythonSdks
AdTech • Real Estate
Lead and modernize core Laravel/PHP backend systems and high-performance React/TypeScript frontends. Architect integrations (MLS/RETS/RESO), improve video processing and media delivery, strengthen CI/CD and Docker deployments on AWS/Rackspace, introduce AI-driven automation, and provide senior technical leadership and mentorship.
Top Skills:
AWSCi/CdContent-Delivery OptimizationCSSDockerGitGithub CopilotHTML5JavaScriptJSONLaravelMlsMySQLPHPRackspaceReactRedisReso ApisRestRetsTypescriptVideo Processing ToolsXML
Reposted 13 Days AgoSaved
Easy Apply
Easy Apply
Big Data • Cloud • Software • Database
Design and build scalable features for MongoDB's Internal Developer Portal using Backstage. Collaborate with teams to enhance developer workflows and internal tools.
Top Skills:
AWSAzureBackstageCypressGCPHelmJavaScriptJestKubernetesMongoDBNode.jsPlaywrightReactTypescript
Artificial Intelligence • Fintech • Software • Financial Services
The Senior Full-Stack Developer will design, build, and maintain AIO Logic's cloud-based AXIS platform, utilizing React and Java/Spring Boot to deliver software solutions for complex financial workflows, collaborating with cross-functional teams, and mentoring junior developers.
Top Skills:
Ci/CdDockerHibernateJavaKubernetesReactSpring BootSQL
Aerospace • Artificial Intelligence • Hardware • Machine Learning • Software • Defense • Manufacturing
Drive feature development and architectural decisions across frontend and backend systems, mentor junior engineers, identify tech debt, and collaborate across departments.
Top Skills:
CSSElixirGrpcHTMLJavaScriptPostgresReactRestTypescriptWebsocket
Artificial Intelligence • Machine Learning • Software
As a Senior Full-Stack and Platform Software Engineer at mabl, you will develop features for an AI-powered test automation platform, enhancing user experiences, designing APIs, and optimizing data pipelines while collaborating with cross-functional teams.
Top Skills:
BigQueryCopilotDataflowGeminiGitGithub ActionsGCPJavaJavaScriptMl EngineNode.jsReactReact RouterReduxSpannerTensorFlowTypescript
Artificial Intelligence • Big Data • Internet of Things • Software
Join the Entefy team as a Senior Full Stack Engineer to build a scalable full stack application enhancing digital interaction for global clients.
Top Skills:
JavaScriptKafkaNode.jsReactSQL
Reposted 3 Days AgoSaved
Easy Apply
Easy Apply
Cloud • Edtech • Healthtech • Mobile • Social Impact • Software • Data Privacy
As a Staff Engineer, Fullstack, you'll enhance social care services by developing web applications and APIs while leading complex projects integrating Uno Health with Findhelp's platform.
Top Skills:
Aws LambdaDjangoPythonReactSalesforceTypescript
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Software
The Senior Full-Stack Software Engineer will design, build, and scale SaaS products, improve application performance, and lead technical initiatives. Responsibilities include modernizing web applications, contributing to backend services, and mentoring other engineers.
Top Skills:
AWSDockerExpoGoogle Cloud PlatformKubernetesMySQLNextjsNode/NestjsPostgresReactReact NativeRuby On RailsSQL
Angel or VC Firm • Artificial Intelligence
As a Senior Full Stack Developer, you'll design, develop, and manage a SaaS solution, focusing on AI-driven features and user experience.
Top Skills:
AIAWSMlopsPythonTypescript
Gaming • Software
As a Senior Fullstack Developer, you will build and maintain applications, contribute to architecture decisions, and collaborate with a remote team.
Top Skills:
ArgocdBitbucketBlackfireDatadogDockerElasticsearchGitGitJavaScriptKafkaKibanaKubernetesMySQLPhp 7.4+Php 8.3+PhpcsfixerPhpstanPhpunitPlaywrightPsalmRabbitMQReactRedisRestRpcSentrySlimStackifySymfonyTypescriptVueWebsockets
Marketing Tech
As a Senior Full Stack Engineer, you will design, develop, and maintain scalable solutions for Viant's DSP, collaborating across teams and optimizing for performance and reliability.
Top Skills:
AjaxAngularAWSGCPGoHTMLJavaJavaScriptJqueryMySQLOraclePostgresReactSQL Server
Reposted 14 Hours AgoSaved
Digital Media • Software
As a Senior Full Stack Engineer, you will design and develop trading platforms, create high-performance UIs, and mentor client engineering teams.
Top Skills:
AWSAzureGCPGoReactTanstackWebsocket
Information Technology • Software • Consulting
As a Senior Full Stack Engineer, you'll architect and build accessible web applications, lead end-to-end solutions, and enhance team efficiency through innovative practices at a remote digital agency.
Top Skills:
Headless CmsNext.JsNode.jsPayloadReactSanityTypescript
Fintech
The role involves building software for BNPL solutions, making architectural decisions, implementing metrics systems, and collaborating across teams to deliver features.
Top Skills:
AirflowDbtFivetranKotlinNode.jsPostgresReactSnowflakeTemporalTypescript
Reposted 14 Hours AgoSaved
Easy Apply
Easy Apply
Artificial Intelligence • Other • Sales • Software
As a Senior Fullstack Engineer, you'll develop a no-code platform, build UIs and backend services, and improve conversation analysis workflows using AI technologies.
Top Skills:
ClickhouseElasticsearchGoPostgresPythonReactTypescript
eCommerce • Information Technology • Machine Learning • Marketing Tech • Database • Analytics • Big Data Analytics
Design, develop, and deliver fullstack web solutions, optimize platforms, mentor engineers, and manage product features from ideation to launch.
Top Skills:
BigQueryGraphQLPythonReactRestSQLTypescript
AdTech • Digital Media • Information Technology • Other
Lead the development and maintenance of content ingestion systems, oversee software feature design, communicate across teams, and mentor members.
Top Skills:
AWSCloudwatchFastapiGrafanaJavaScriptLambdaNext.JsOpensearchPythonRdsReactSnsSqsTerraformTypescript
Healthtech • Insurance
The Senior Full-Stack Engineer will develop claims monitoring tools and backend services, collaborate with other engineers, and influence the product architecture in a health insurance startup.
Top Skills:
BigQueryDockerGoogle Cloud PlatformKubernetesNext.JsPostgresReactRedisTailwind CssTerraformTypescript
Software
The role involves leading projects as a full-stack engineer, focusing on SaaS products, enhancing user experiences, and building accessible software.
Top Skills:
CSSHTMLPostgresTypescript
Artificial Intelligence • Healthtech
As a Senior Full Stack Engineer-II, you'll lead critical system development in healthcare, focusing on voice AI and system integrations while mentoring junior engineers and influencing engineering practices.
Top Skills:
AthenahealthClaude ApisDeepgramEclinicalworksElevenlabsEpicFhir R4GCPGkeHl7 V2.XKafkaNode.jsOpenaiPostgresPythonReactRedisTwilioTypescript
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