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Top Senior Full-Stack Engineer Jobs in Denver & Boulder, CO
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
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
Real Estate • Sales • Software • PropTech
As a Senior Software Engineer, you'll design, develop, and maintain full-stack applications, utilizing TypeScript and modern frameworks while collaborating cross-functionally to enhance user experience and performance.
Top Skills:
Ai Coding ToolsAngularGitGitlabGraphQLNode.jsRestTypescript
Fintech • Mobile • Software • Financial Services
Design, build, deploy, and optimize scalable full-stack applications integrating databases, APIs, and AI/LLM workflows. Lead architecture, CI/CD (ArgoCD, GitLab), Airflow pipelines, and collaborate cross-functionally to deliver production-grade fintech solutions.
Top Skills:
Apache AirflowArgocdAWSGitlab Ci/CdLlmsNode.jsReactRetrieval-Augmented Generation (Rag)SnowflakeSnowflake Cortex
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
Edtech
As a Senior Full-Stack Engineer at ClassDojo, you'll deliver code and features collaboratively, improve systems and practices, and mentor other engineers, all while impacting education for millions of children.
Top Skills:
AWSMongoDBMySQLNode.jsReact
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Fintech
As a Senior Fullstack Engineer, you'll architect and build a high-concurrency auction engine, leveraging AI for enhanced user experiences and system reliability.
Top Skills:
AIAWSMachine LearningPostgresPythonReactTypescript
Fintech
As a Senior Fullstack Engineer, you'll build financial systems, design lending infrastructure, implement payment integrations, and create user interfaces, ensuring correctness and reliability.
Top Skills:
AWSPostgresPythonReactTypescript
Artificial Intelligence • Automotive • Machine Learning • Transportation
The Senior Full Stack Engineer will build and enhance web visualization tools, collaborate with teams, support scalable APIs, and maintain CI/CD processes.
Top Skills:
Aws CdkGoNextjsNode.jsPythonReactTypescript
Healthtech • Pharmaceutical • Hospitality
The Senior Full Stack Engineer will design, develop, and support scalable cloud-native applications on AWS, engaging in both frontend and backend development and leading system architecture decisions.
Top Skills:
Amazon RedshiftAmazon S3Apache IcebergAWSAws GlueAws LambdaAws Step FunctionsGithub ActionsMaterial UiMicroservicesPythonReactRedux ToolkitRest ApisTerraformTypescriptVite
Information Technology • Consulting • Defense
Design and build responsive web applications and APIs, ensuring secure integration and compliance with government standards in an agile environment.
Top Skills:
DockerElasticsearchFastapiFlaskGitlab Ci/CdHelmJavaJavaScriptKubernetesNode.jsPostgresPythonReactRedisSpring BootTypescript
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
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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
Software • Analytics
As a Senior Full Stack Engineer, you will design and develop scalable systems, mentor engineers, and enhance architectural decisions while improving engineering practices.
Top Skills:
AWSCypressJavaScriptMySQLNode.jsPHPPythonReactTypescript
Digital Media • Social Media • Software
As a Senior Full Stack Engineer, you'll design and develop Pearpop's platform, build APIs, optimize applications, and lead technical projects while mentoring junior engineers.
Top Skills:
AWSCi/CdCloudFormationDockerExpressGCPGitJavaScriptMongoDBMySQLNode.jsPostgresReactTerraformTypescript
Information Technology • Security • Cybersecurity
The Senior Full-stack Engineer will lead projects from start to finish, collaborating to build reliable and maintainable applications using a variety of technologies. Responsibilities include participating in the SDLC, writing clean code, implementing testing, and ensuring system stability.
Top Skills:
AWSClickhouseCockroachdbDockerJenkinsKafkaNode.jsPostgresPythonReactTerraformTypescript
Software
The Senior Full Stack Engineer will develop scalable dashboards and tools for risk analysis, manage projects independently, and mentor junior engineers.
Top Skills:
AWSGCPGraphQLNode.jsPythonReact
Information Technology • Software • Consulting
As a Senior Full Stack Engineer, you will design and implement features, maintain systems, and ensure performance in a fintech environment, collaborating with cross-functional teams.
Top Skills:
AWSExpress.JsGitMySQLNode.jsSQL ServerTypescript
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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
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