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Top Senior Full-Stack Engineer Jobs in Denver & Boulder, CO

Reposted 8 Days AgoSaved
Remote
Colorado, CO
Mid level
Mid level
Fintech • Software • Financial Services
As a Senior Full Stack Engineer, you will design and develop scalable APIs, integrate financial data, and enhance user experience in a collaborative environment.
Top Skills: AWSElixirJavaScriptNextjsPhoenixTerraformTypescript
19 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Computer Vision • Healthtech • Information Technology • Logistics • Machine Learning • Software • Manufacturing
Dandy is seeking a Senior Full-Stack Software Engineer to build backend systems, APIs, and tools for their web-based 3D operations, integrating various technologies for enhanced manufacturing efficiency.
Top Skills: C++GCPGraphQLNestjsNode.jsPostgresReact/ReduxThree.JsTypescriptWasm
Reposted 21 Hours AgoSaved
Remote
Colorado, CO
140K-200K Annually
Senior level
140K-200K Annually
Senior level
Information Technology • Consulting
As a Senior Full Stack Engineer, you will design, build, and maintain products, enhance backend systems, and scale machine learning platforms in collaboration with the CTO and engineering team.
Top Skills: BitbucketCi PipelinesGitJIRAPostgresRedisRuby On RailsTwilio
Reposted 21 Hours AgoSaved
Remote
Colorado, CO
50K-120K Annually
Senior level
50K-120K Annually
Senior level
Artificial Intelligence • Productivity • Software • Automation
As a Senior Full Stack Engineer on the AI Tasks team at Zapier, you'll design and build user-friendly AI features, collaborate with cross-functional teams, and own projects from inception to deployment, with a focus on creating real-world applications of AI in automation.
Top Skills: Python,Django,Typescript,Node.Js,React,Next.Js,Aws,Postgresql,Mysql,Restful Apis
Reposted YesterdaySaved
Remote or Hybrid
Colorado, CO
140K-215K Annually
Senior level
140K-215K Annually
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
As a Sr. Software Engineer II, you will develop tools for deploying and maintaining cloud infrastructure, focusing on Golang and TypeScript. Responsibilities include building APIs, operating cloud platforms, and working in CI/CD environments.
Top Skills: AWSCi/CdGoGrpcJavaScriptKubernetesLinuxRestful ApisTypescript
Reposted 2 Days AgoSaved
Remote or Hybrid
Colorado, CO
Senior level
Senior level
Artificial Intelligence • Fintech • Information Technology • Software • Data Privacy
The Senior Software Engineer will design and implement full-stack distributed systems, oversee project areas, maintain code quality, and optimize system performance while adhering to security standards.
Top Skills: AngularAWSAzureC#GCPNode JsPostgresReactRest ApiSQL ServerTerraformTypescriptWebsockets
Reposted 2 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
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 8 Days AgoSaved
Remote or Hybrid
Colorado, CO
115K-150K Annually
Senior level
115K-150K Annually
Senior level
Artificial Intelligence • HR Tech • Legal Tech • Marketing Tech • Software • Conversational AI • Generative AI
As a Senior Full Stack Engineer, you will design and develop SaaS applications, write maintainable code, mentor junior team members, and enhance product features while collaborating with cross-functional teams.
Top Skills: .NetAngularAzure Ad B2CAzure Container InstancesAzure Cosmos DbAzure DevopsAzure Key VaultAzure Service BusAzure StorageC#Ci/CdCSSDockerGitHTMLHTTPJavaScriptJIRAJqueryK8SAzureMicrosoft Visual StudioOpen AiReactRest
Reposted 21 Hours AgoSaved
Remote
Colorado, CO
135K-180K Annually
Senior level
135K-180K Annually
Senior level
Cloud • Software
As a Senior Full Stack Engineer, you'll design, build, and scale a cloud-based SaaS platform, while mentoring others and driving engineering best practices.
Top Skills: C#JavaNode.jsPostgresPythonReactTypescript
Reposted 21 Hours AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
160K-190K Annually
Senior level
160K-190K Annually
Senior level
Fintech • Software
The Senior Full-Stack Engineer will collaborate with product and design teams to enhance Lithic's customer and bank portals, focusing on building and improving features while maintaining high code quality.
Top Skills: CSSHTMLNode/ExpressTypescriptVue
Reposted 21 Hours AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
Senior level
Senior level
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
Reposted 21 Hours AgoSaved
Easy Apply
In-Office or Remote
Colorado, CO
Easy Apply
130K-180K Annually
Senior level
130K-180K Annually
Senior level
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
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Reposted 21 Hours AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Blockchain • Software
As a Senior Full Stack Engineer, you will develop and optimize tech for consumer apps and internal services using JavaScript and TypeScript, focus on Node.js back-end services, and create developer tools for the blockchain and Ethereum scaling.
Top Skills: EthereumEthersJavaScriptNode.jsTypescriptViemWeb3
YesterdaySaved
Remote
Colorado, CO
Senior level
Senior level
Software • Consulting
Seeking a Senior Full Stack Developer with 7+ years in software development, proficient in frontend (React.js, JavaScript) and backend (Java Spring Boot) technologies, in an Agile environment.
Top Skills: CSS3DockerGitHibernateHTML5Java Spring BootJavaScriptJpaKubernetesMavenPostgresReactRestful ApisTypescript
Reposted YesterdaySaved
Remote
Colorado, CO
120K-130K Annually
Senior level
120K-130K Annually
Senior level
Healthtech
As a Senior Full Stack Engineer, you will develop scalable software solutions, mentor junior engineers, and improve system performance by integrating various technologies.
Top Skills: AWSCi/CdCloud InfrastructureDevOpsFluxGraphQLKubernetesMicroservicesNode.jsReactReduxTerraformTypescriptWebsockets
Reposted 6 Days AgoSaved
Remote
Colorado, CO
203K-274K Annually
Senior level
203K-274K Annually
Senior level
Artificial Intelligence • Cloud • Consumer Web • Productivity • Software • App development • Data Privacy
The Senior Full Stack Engineer will design and develop user-friendly experiences, lead product enhancements, mentor junior engineers, and participate in on-call rotations to ensure service reliability.
Top Skills: AngularCSSHTMLJavaScriptMongoDBMySQLNode.jsPostgresPythonReact
2 Days AgoSaved
Remote
Colorado, CO
145K-170K Annually
Senior level
145K-170K Annually
Senior level
Healthtech
As a Senior Full-Stack Engineer, you will develop and improve features for a digital clinic, ensuring quality patient care and software reliability across the stack including React and NestJS.
Top Skills: GraphQLJavaScriptNestjsPostgresReactReact NativeTypescript
Reposted 2 Days AgoSaved
Remote
Colorado, CO
107K-147K Annually
Senior level
107K-147K Annually
Senior level
Healthtech
The Senior Full Stack Engineer will develop AI-driven solutions, mentor junior engineers, and collaborate on projects to enhance operational efficiency within Humana.
Top Skills: .NetAngularAnsibleAzure DevopsCloudFormationCSSDockerGitHTMLJavaJavaScriptKubernetesLlmMcpPythonReactTerraform
Reposted 2 Days AgoSaved
Remote
Colorado, CO
120K-135K Annually
Senior level
120K-135K Annually
Senior level
Insurance
The Senior Full-Stack Developer is responsible for architecting, developing, and maintaining complex web applications. They collaborate with Marketing and IT to ensure successful implementation of strategic features, manage CI/CD pipelines, and advocate for best engineering practices.
Top Skills: Asp.Net MvcAzureC#DevOpsGithub ActionsGraphQLNext.JsReactReduxRestful ApisSQL Server
2 Days AgoSaved
Remote
Colorado, CO
90K-250K Annually
Senior level
90K-250K Annually
Senior level
Cloud • Software
Develop and enhance a global voice platform, working with agile teams to deliver high-performance microservices and web applications while ensuring scalability and reliability, along with troubleshooting existing systems.
Top Skills: AWSCSSGCPHTMLJavaJavaScriptKubernetesMicroservicesNoSQLReactRest ApisSpringSQLTypescript
2 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
Senior level
Senior level
AdTech
As a Senior Full-Stack Engineer, lead development of secure AI-driven SaaS applications, focusing on backend architecture, frontend design, and AI integrations. Collaborate with teams to operationalize models and enhance application functionality through cutting-edge AI solutions.
Top Skills: Hugging FaceLangchainOpenai ApisPineconePythonReactRuby On RailsSnowflakeVueWeaviate
Reposted 2 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
Senior level
Senior level
Artificial Intelligence • Computer Vision • Cybersecurity
Seeking a Senior Full-Stack Engineer to design and develop applications, architect scalable systems, and lead teams in a remote-first environment.
Top Skills: AWSDockerGCPGraphQLNode.jsNoSQLReactSQLTypescript
Reposted 2 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
Senior level
Senior level
Software
Design, develop, and maintain web applications and APIs, ensuring scalability and performance, while utilizing AI-assisted coding tools.
Top Skills: .Net CoreAi-Assisted Coding ToolsAngularAWSAzureC#Entity FrameworkGrpcRestful ApiSQL
Reposted 2 Days AgoSaved
Remote
Colorado, CO
140K-175K Annually
Senior level
140K-175K Annually
Senior level
Financial Services
As a Senior Full-Stack Engineer, you'll oversee backend microservices and frontend applications, mentor engineers, and drive technical strategy in a fintech environment.
Top Skills: AWSCi/CdCSSDockerHTMLJavaJavaScriptKubernetesMySQLReactRuby
Reposted 3 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
170K-200K Annually
Senior level
170K-200K Annually
Senior level
Artificial Intelligence • Natural Language Processing • Software • Conversational AI • Generative AI
The Senior Full Stack Engineer will architect, develop, and enhance a low-code platform, focusing on backend services in Python and frontend interfaces in React, while mentoring junior engineers and optimizing system performance.
Top Skills: Css-In-JsGitJavaScriptNext.JsPythonReactTypescript
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