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

Reposted 7 Hours AgoSaved
Remote
Colorado, CO
136K-200K Annually
Mid level
136K-200K Annually
Mid level
Insurance • Legal Tech • Social Impact
As a Fullstack Engineer, you'll design, build, and operate web applications, collaborating with product teams and mentoring peers while ensuring best practices in coding and system architecture.
Top Skills: AWSCircleCICloud ComputingCSSDockerGCPGoGraphQLHadoopHTMLJavaJavaScriptKubernetesMapreducePythonReactRestRubyScalaSQLWebpack
Reposted 2 Days AgoSaved
Remote
Colorado, CO
120K-150K Annually
Mid level
120K-150K Annually
Mid level
Artificial Intelligence • Fintech • Software
The Full-Stack Engineer will build and maintain applications, own features end-to-end, contribute to system design, and collaborate closely with product and design teams while improving system reliability and performance.
Top Skills: AWSJavaScriptNode.jsNoSQLTypescript
8 Days AgoSaved
Hybrid
Colorado, CO
125K-143K Annually
Mid level
125K-143K Annually
Mid level
Fintech • Real Estate • PropTech
Build and grow Homebot applications, services, and APIs end-to-end. Use AI tooling to rapidly deliver features, create AI-driven workflows, and ship maintainable, well-tested, scalable code. Collaborate with product, design, and engineering, and instrument systems with monitoring, logging, tracing, and analytics.
Top Skills: AIAirflowAmplitudeDbtGraphQLPostgresReactRestRuby On RailsSnowflakeSQLTypescript
Reposted 11 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
175K-240K Annually
Senior level
175K-240K Annually
Senior level
Machine Learning • Security • Software • Analytics • Defense
Lead design, build, and deploy full-stack software for DoD/IC missions. Rapidly prototype MVPs, integrate systems and APIs, deliver high-performance frontends, collaborate with users, and deploy/test in secure operational environments.
Top Skills: APIsDevOpsPythonReactTypescript
Reposted 13 Days AgoSaved
Easy Apply
Hybrid
Colorado, CO
Easy Apply
136K-204K Annually
Junior
136K-204K Annually
Junior
Sales • Software • Travel
The Full Stack Engineer will develop features for a dynamic web application, collaborate with team members, enhance performance, and improve automated tests.
Top Skills: AngularjsDjangoJavaScriptPythonRelational Databases
Reposted YesterdaySaved
Remote
Colorado, CO
Senior level
Senior level
Artificial Intelligence • Machine Learning • Software • Defense
Design and build agent-powered mission consoles, collaborate with stakeholders to improve user workflows, and maintain agentic workflows for mission outcomes.
Top Skills: AWSNode.jsPostgresPythonReactTailwindTypescript
Reposted YesterdaySaved
Remote
Colorado, CO
Senior level
Senior level
Artificial Intelligence • Machine Learning • Software • Defense
As a Senior Software Engineer, you will design and build a cutting-edge identity search platform and implement AI systems for defense applications, working closely with cross-functional teams to enhance user workflows and support national security.
Top Skills: AWSElasticsearchNode.jsOpensearchPostgresReactTailwindTypescript
Reposted 2 Days AgoSaved
Remote
Colorado, CO
159K-254K Annually
Senior level
159K-254K Annually
Senior level
Cloud • Fintech • Food • Information Technology • Software • Hospitality
Design, scope, and implement scalable full‑stack ecommerce solutions. Improve platform performance and usability, collaborate with Product and Design, run experiments, ship features, and ensure seamless integration across the product ecosystem.
Top Skills: AngularAWSBootstrapDockerFigmaGitJavaKotlinNode.jsReactTailwind
Reposted 3 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
169K-240K Annually
Senior level
169K-240K Annually
Senior level
Big Data • Fintech • Mobile • Payments • Financial Services
Responsible for leading a team of engineers, supporting product development, identifying technical issues, and ensuring high-quality code delivery in backend systems at scale.
Top Skills: AWSJavaScriptKotlinKubernetesMySQLPythonReact NativeSwiftTypescript
Reposted 4 Days AgoSaved
Remote
Colorado, CO
248K-336K Annually
Senior level
248K-336K Annually
Senior level
Artificial Intelligence • Cloud • Consumer Web • Productivity • Software • App development • Data Privacy
The role involves leading application performance improvements across multiple platforms, focusing on measurable metrics and driving engineering standards and workflow optimization, using both hands-on coding and strategic influence.
Top Skills: Ai ToolingGoJavaScriptLlmsPythonReactRum Telemetry
Reposted 7 Hours AgoSaved
Remote
Colorado, CO
Mid level
Mid level
Artificial Intelligence • Healthtech
As a Full Stack Engineer, you'll develop secure features, integrate data pipelines, design APIs, and collaborate closely with teams to enhance healthcare technology.
Top Skills: AWSGitLaravelPHPPythonRest ApisSQLVue
Reposted 7 Hours AgoSaved
In-Office
Colorado, CO
100K-120K Annually
Senior level
100K-120K Annually
Senior level
Information Technology • Consulting
The Full Stack Developer will develop and deliver web applications, integrate APIs, and work with both front-end and back-end technologies. The role demands strong problem-solving skills and the ability to work under tight deadlines with minimal supervision.
Top Skills: AjaxAngularApi IntegrationAsp.NetAWSAzureC#CSSJavaScriptMs Sql ServerReactWfWpf
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Reposted 7 Hours AgoSaved
Remote
Colorado, CO
180K-300K Annually
Mid level
180K-300K Annually
Mid level
Artificial Intelligence • Software
The Full Stack Engineer will develop and maintain front-end and back-end components of the application, ensuring performance and integration. Collaboration with cross-functional teams is essential to translate concepts into user-friendly solutions.
Top Skills: Chakra UiGoMaterial UiNode.jsNoSQLReactRedisSQL
Reposted 7 Hours AgoSaved
Remote
Colorado, CO
150K-200K Annually
Junior
150K-200K Annually
Junior
Software • Consulting
The Full Stack Engineer will build cloud-based applications, collaborate with teams, and utilize AWS technologies to deliver solutions.
Top Skills: Aws LambdaDynamoDBGitJasmineJavaScriptMochaNode.jsReact
Reposted 7 Hours AgoSaved
Remote
Colorado, CO
Junior
Junior
Information Technology
The Jr. Full Stack Developer supports application modernization by designing and developing web-based applications using React and Spring Boot in an Agile environment, ensuring quality and efficient coding processes while collaborating with teams and documenting solutions.
Top Skills: AgileAWSCSSDevsecopsDockerHTMLJenkinsOraclePostgresReactSpring Boot
Reposted 7 Hours AgoSaved
Remote
Colorado, CO
Junior
Junior
HR Tech • Information Technology • Professional Services • Sales
Build, test, and maintain scalable web applications using Node.js and TypeScript. Design and optimize PostgreSQL databases and SQL queries. Integrate third-party APIs (REST, GraphQL, webhooks). Implement frontend components with React or similar, use Git for version control, troubleshoot issues, and collaborate with cross-functional teams. Support CI/CD and containerization (Docker) and deploy to cloud platforms (AWS, Fly.io).
Top Skills: AWSCi/CdDockerFly.IoGitGraphQLNode.jsPostgresReactRestful ApisSQLTypescriptWebhooks
Reposted 7 Hours AgoSaved
Remote
Colorado, CO
Mid level
Mid level
Information Technology • Software
Design, build, and maintain Shopify POS applications and custom UI extensions. Integrate POS frontends with server-side logic and third-party services, test on POS hardware, troubleshoot live retail issues, and maintain observability, security, and CI/CD practices while collaborating with product and client teams.
Top Skills: @Shopify/Retail-Ui-Extensions-ReactApp BridgeAws EventbridgeAws LambdaBarcode ScannersCi/CdCSS3DatalogErpEvent-Driven ArchitectureFraud PlatformsGithub ActionsHTML5Inventory SystemsIpaasJavascript (Es6+)Loyalty PlatformsNew RelicNode.jsOmsPayment GatewaysPayment TerminalsPHPPolarisPythonReactReceipt PrintersRemixRfidRubySentryShopify Admin GraphqlShopify PartnersShopify Pos Ui Extensions SdkTax EnginesTypescriptWebhooks
Reposted 7 Hours AgoSaved
In-Office
Colorado, CO
90K-190K Annually
Senior level
90K-190K Annually
Senior level
Information Technology • Consulting
Full-Stack Engineers at CapTech design and develop enterprise systems, collaborate with clients, and mentor peers while utilizing up-to-date technologies.
Top Skills: Ai OrchestrationAngularAWSAzureBootstrapCSSGCPHTMLJavaJavaScriptMicrosoft StackNoSQLOpenapiReactRestful ApisSQL ServerSwaggerTypescriptVue
Reposted 7 Hours AgoSaved
Remote
Colorado, CO
Mid level
Mid level
Software • Consulting
The Full Stack Engineer will design, implement, and deliver full-stack features, focusing on scalable APIs and cloud-native solutions while collaborating with clients and engineering teams.
Top Skills: Ai-Assisted DevelopmentAzure FunctionsAzure OpenaiCi/CdDockerGraphQLAzureNode.jsPostgresReactRedisRestTypescript
Reposted 7 Hours AgoSaved
Remote
Colorado, CO
Mid level
Mid level
Digital Media • Software
As a Full Stack Engineer, you will build AI-powered applications, manage client interactions, and apply best practices in MLOps and LLMOps.
Top Skills: AWSAzureBigQueryGCPGoNode.jsPythonReactSagemakerTypescript
Reposted 7 Hours AgoSaved
Remote
Colorado, CO
Mid level
Mid level
Cloud • Software • Analytics • Energy
The Full-Stack Developer will design, develop, and maintain applications, focusing on backend APIs and user interfaces, while optimizing for performance and reliability.
Top Skills: DockerExpress.JsGitJavaScriptMaterial UiMongoDBNode.jsReactReact Hook FormTrpcTypescript
Reposted 7 Hours AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Information Technology • Security • Business Intelligence • Consulting
The Full Stack Developer will design and maintain application components, support integrations, and provide Tier 2/3 operational support in a DoD environment, using Java, JavaScript, SQL, and cloud technologies.
Top Skills: ApacheAws GovcloudCSSGitHTMLJavaJavaScriptSQLSvnTomcatWeblogic
YesterdaySaved
Remote
Colorado, CO
Senior level
Senior level
Payments • Software
Design, build, and maintain full‑stack services and tooling that power Stripe's global support operations. Expand live channel integrations (voice/messaging) including Greater China platforms, debug production issues, collaborate cross‑functionally, and improve engineering standards and processes.
Top Skills: ReactRuby
6 Days AgoSaved
Remote or Hybrid
Colorado, CO
141K-229K Annually
Senior level
141K-229K Annually
Senior level
Consumer Web • eCommerce • Machine Learning • Software • Sports • Analytics
Lead design and implementation of the PSA Liquidity Platform connecting buyers and sellers. Build buyer tooling, matching/ranking engines, and seller experiences. Architect and operate microservices and Kafka-driven systems on Kubernetes/AWS, instrument observability, apply AI tooling across the SDLC, and drive cross-functional delivery from 0-to-1 while owning end-to-end outcomes.
Top Skills: AWSDatadogJavaKafkaKubernetesNew RelicOpentelemetryReactSpring BootSvelte
2 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Security • Software • Financial Services
Build and maintain scalable data pipelines, Snowflake schemas, and ETL/ELT processes; develop and expose data via RESTful APIs; deliver Node.js backend services on AWS; build Vue/Vuetify front-ends; ensure data quality, reliability, and integration with financial systems.
Top Skills: Aws DynamodbAws Ec2Aws LambdaAws S3Azure SynapseBitbucketBitbucket PipelinesCSS3DatabricksEltETLHTML5JavaScriptNode.jsRedshiftRestful ApisSnowflakeVueVuetify
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