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

Reposted 2 Days AgoSaved
Remote
Colorado, CO
130K-160K Annually
Senior level
130K-160K 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 10 Days AgoSaved
Remote
Colorado, CO
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 11 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
150K-180K Annually
Senior level
150K-180K Annually
Senior level
Legal Tech • Software
The Senior Full Stack Developer will build end-to-end solutions, collaborate in a remote environment, and write technical documentation. The role requires expertise in Ruby on Rails and various programming paradigms.
Top Skills: AWSDockerGen-Ai ToolsGitHotwireJavaScriptKubernetesPostgresRuby On RailsStimulusWebrtc
3 Days AgoSaved
In-Office or Remote
Colorado, CO
172K-306K Annually
Senior level
172K-306K Annually
Senior level
Artificial Intelligence • Consumer Web • Digital Media • Machine Learning • Software
As a Senior Full Stack Engineer at Quora, you'll design and implement developer APIs, collaborate with cross-functional teams, and enhance the developer experience on the Poe platform.
Top Skills: C++GraphQLJavaPythonReactTypescript
Reposted 3 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Digital Media • Software
As a Senior Full Stack Engineer at Lazer, you will design and build AI-powered applications, manage client interactions, and develop production-ready software solutions.
Top Skills: AWSAzureBigQueryDjangoExpressFastapiFastifyFlutterGCPJavaScriptKotlinNext.JsNode.jsPythonReactReact NativeRemixSagemakerSwiftTypescript
Reposted 3 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 3 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
160K-180K Annually
Senior level
160K-180K Annually
Senior level
Software
The Senior Fullstack Engineer will deliver impactful solutions, collaborate with cross-functional teams, optimize development processes, and communicate project updates effectively.
Top Skills: AntdAWSJestNode.jsPostgresRuby on RailsReactRedisRspecRubyShellSidekiq ProSQLTypescript
4 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
224K-284K Annually
Senior level
224K-284K Annually
Senior level
HR Tech • Software
As a Senior Full Stack Engineer at Calendly, you will build and maintain core calendar infrastructure, focusing on API development, synchronization services, and search infrastructure, collaborating with cross-functional teams.
Top Skills: ElasticsearchGoGoogle Cloud PlatformKubernetesNode.jsPostgresPub/SubRedisRuby/RailsTypescript
5 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
HR Tech • Other • Professional Services
The role involves designing and implementing server-side services, building data pipelines, and collaborating with frontend teams. Requires proficiency in Kotlin and/or Java, especially with Spring WebFlux, while improving system throughput and reliability.
Top Skills: AWSDockerJavaKotlinKubernetesPostgresReactSpring WebfluxTypescript
5 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Healthtech
This role involves delivering high-quality software, collaborating with teams, leading code reviews, and contributing to architectural decisions for scalable systems.
Top Skills: Amazon AwsBitbucketDockerExpressGoNextjsPostgresReactReact NativeTerraform
Reposted 11 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Software • Energy • Solar
Lead the development of Coperniq's platform by designing, developing, and maintaining scalable full-stack solutions while collaborating with teams and mentoring juniors.
Top Skills: AWSDockerGitlabGraphQLKubernetesMikroormNode.jsPostgresReactTypescript
Reposted 5 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Information Technology • Software • Consulting
Design and implement core functionalities for a large-scale web application focusing on architectural planning and full-stack features development. Collaborate with senior engineers and ensure clear communication while breaking work into manageable pieces.
Top Skills: CkeditorFastapiLlm ApisPostgresPythonReactTypescript
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Reposted 5 Days AgoSaved
Remote
Colorado, CO
125K-200K Annually
Senior level
125K-200K Annually
Senior level
Healthtech • Telehealth
The role involves owning the product workflow, building user-facing features, maintaining systems, and collaborating with cross-functional teams. Strong React and Typescript skills are essential.
Top Skills: HerokuNestjsPostgresReactRedisTailwindTypeormTypescript
Reposted 5 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
140K-200K Annually
Senior level
140K-200K Annually
Senior level
Software
As a Senior Full-Stack Engineer, you will build features across React/TypeScript and Python/Django, shape product outcomes, and collaborate with cross-functional teams to ensure user satisfaction and engineering quality.
Top Skills: AWSBigQueryCypressDjangoJestKafkaKubernetesOpenai ApiPostgresPythonReactRedisSparkSQLTypescriptViteWebpack
Reposted 5 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Financial Services
The Senior Cloud Full-Stack Developer will provide cloud solution services, develop applications using Azure, and lead technical assessments and architecture reviews, focusing on both software development and infrastructure.
Top Skills: .Net.Net CoreAngularAsp.Net MvcAzureAzure DevopsC#Ci/CdGitReactVisual StudioVue
11 Days AgoSaved
Remote
Colorado, CO
144K-261K Annually
Senior level
144K-261K Annually
Senior level
Artificial Intelligence • Productivity • Software • Automation
The role involves leading engineering efforts in backend and full-stack development, working with enterprise customers, and building scalable systems for automation and asset management, while applying AI tool advancements.
Top Skills: DatadogFastifyGrafanaGraylogKafkaNode.jsPythonReactSqsTypescript
Reposted 11 Days AgoSaved
Remote
Colorado, CO
174K-261K Annually
Senior level
174K-261K Annually
Senior level
Artificial Intelligence • Productivity • Software • Automation
As a Sr. Software Engineer at Zapier, you'll build and scale robust backend systems for their automation platform, collaborating on various impactful projects, improving user workflows, and ensuring smooth execution of automations.
Top Skills: Ai ToolingDjangoMySQLNext.JsNode.jsPostgresPythonReactRestful ApisTypescript
Reposted 6 Days AgoSaved
In-Office
Colorado, CO
150K-175K Annually
Senior level
150K-175K Annually
Senior level
Fintech • Payments
As a Senior Full-Stack Engineer, you will build investment and banking products, design backend services, and improve engineering processes while leveraging modern cloud and microservices technologies.
Top Skills: ArgocdAWSDockerElixirGithub ActionsGoJenkinsKafkaKotlinKubernetesNode.jsNoSQLPythonRabbitMQSQLTypescript
7 Days AgoSaved
Remote
Colorado, CO
170K-170K Annually
Senior level
170K-170K Annually
Senior level
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
7 Days AgoSaved
Remote
Colorado, CO
170K-170K Annually
Senior level
170K-170K Annually
Senior level
Software • Analytics
The Senior Full Stack Engineer will lead architecture decisions, mentor engineers, and design scalable systems across frontend and backend while focusing on AI integration and enhancing engineering practices.
Top Skills: AWSCi/CdCypressJavaScriptMySQLNode.jsPHPPythonReactTypescript
7 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
224K-283K Annually
Senior level
224K-283K Annually
Senior level
HR Tech • Software
As a Senior Full Stack Engineer, you'll design and scale core features for Calendly's AI Notetaker, lead feature implementation, and mentor team members.
Top Skills: Argo WorkflowsGoGoogle Cloud PlatformKubernetesNode.jsPostgresReactRedisTypescript
Reposted 7 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Software
The Senior Full-Stack Engineer will develop user-facing features, maintain high-performance interfaces, implement backend APIs, and ensure product reliability and performance in a growing AI marketplace.
Top Skills: Cloudflare WorkersNext.JsReactTypescript
8 Days AgoSaved
Remote
Colorado, CO
130K-150K Annually
Senior level
130K-150K Annually
Senior level
Aerospace • Defense • Manufacturing
The Senior Full Stack Developer leads software application design, development, and testing, managing projects and collaborating with diverse teams while ensuring high-quality delivery.
Top Skills: AngularC++ExpressFastapiJavaPostgresPythonReactSQLTypescript
Reposted 13 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
Reposted 8 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
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