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Top Backend Engineer Jobs in Denver & Boulder, CO

Reposted 7 Days AgoSaved
Easy Apply
Remote or Hybrid
Colorado, CO
Easy Apply
176K-264K Annually
Senior level
176K-264K Annually
Senior level
Healthtech • Information Technology • Software • Telehealth
Lead the development of a healthcare interoperability platform by creating APIs, mentoring engineers, and driving innovation in data exchange.
Top Skills: AIAPIsFhirHl7Microservices
Reposted 7 Days AgoSaved
Remote
Colorado, CO
143K-229K Annually
Senior level
143K-229K Annually
Senior level
Cloud • Fintech • Food • Information Technology • Software • Hospitality
The Staff Systems Engineer designs and maintains multi-platform integration solutions, collaborating on standards and ensuring high-quality services in an Agile environment.
Top Skills: JavaJavaScriptJSONKotlinPostgresRestRubySQLXML
Reposted 7 Days AgoSaved
Remote or Hybrid
Colorado, CO
156K-220K
Senior level
156K-220K
Senior level
Artificial Intelligence • Big Data • Software • Analytics • Business Intelligence • Big Data Analytics
As a Backend Engineer, you will build and maintain APIs, optimize data processing pipelines, and scale infrastructure while collaborating with various teams.
Top Skills: Apollo GraphqlAWSElasticsearchExpressHelmKubernetesLancedbPostgresRedisTerraformTypescript
8 Days AgoSaved
Remote or Hybrid
Colorado, CO
Mid level
Mid level
Angel or VC Firm
As a Founding Backend Engineer, you will design and develop the backend infrastructure for Robyn AI, focusing on emotional intelligence systems, API design, and AWS deployment.
Top Skills: AWSC# / .Net CoreClaudeCloudwatchDatadogDockerElevenlabsGithub ActionsGpt-4OGraphQLKubernetesLangchainPineconePostgresPython (Fastapi)RedisRedis VectorRestSentryTerraformWebsocketsWhisper
Reposted 9 Days AgoSaved
Remote or Hybrid
Colorado, CO
180K-225K Annually
Senior level
180K-225K Annually
Senior level
Big Data • Fintech • Information Technology • Insurance • Software
As a Staff Backend Engineer, you will develop web services in Python and Java, collaborate on product roadmaps, and manage cloud deployments.
Top Skills: Async MessagingDockerGrpcJavaKubernetesPostgresPythonRest
Reposted 4 Days AgoSaved
Remote
Colorado, CO
186K-219K Annually
Senior level
186K-219K Annually
Senior level
Artificial Intelligence • Blockchain • Fintech • Financial Services • Cryptocurrency • NFT • Web3
As a Senior Software Engineer in Backend, build and scale testing infrastructure, enable automation, enhance developer productivity, and establish product quality metrics for a transformative financial platform.
Top Skills: AIDockerDynamoDBGoMlMongoDBPostgresRuby on RailsRuby
Reposted YesterdaySaved
Remote
Colorado, CO
Senior level
Senior level
Artificial Intelligence • Marketing Tech • Natural Language Processing
We are seeking a Staff Back End Engineer to develop our customer-facing application, focusing on quality, business impact, and system stability. Responsibilities include designing and evolving distributed systems, mentoring teams, and implementing CI/CD in a cloud environment.
Top Skills: AWSAws CdkCi/CdCloudFormationCloudwatchDatadogDevOpsElastic ApmGoJavaScriptPrometheusPythonRubyTerraform
Reposted 4 Days AgoSaved
Remote
Colorado, CO
186K-219K Annually
Senior level
186K-219K Annually
Senior level
Artificial Intelligence • Blockchain • Fintech • Financial Services • Cryptocurrency • NFT • Web3
As a Senior Backend Engineer at Coinbase, you'll design and build scalable systems, write tested code, and contribute to high-impact projects in the financial technology space.
Top Skills: BlockchainDockerDynamoDBGoMongoDBPostgresRuby on RailsRuby
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20 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
98K-210K Annually
Mid level
98K-210K Annually
Mid level
Cloud • Security • Software • Cybersecurity • Automation
As a Backend Engineer in Security Insights, develop vulnerability management features, collaborate on team projects, and improve product quality.
Top Skills: AIDevsecopsPostgresRuby On Rails
21 Days AgoSaved
Easy Apply
In-Office or Remote
Colorado, CO
Easy Apply
98K-210K Annually
Mid level
98K-210K Annually
Mid level
Cloud • Security • Software • Cybersecurity • Automation
As an Intermediate Backend Engineer, you will implement authentication strategies, enhance access management, and improve security for GitLab users.
Top Skills: IamLdapRbacRuby On RailsSAMLScimSso
Reposted 4 Days AgoSaved
Remote
Colorado, CO
186K-219K Annually
Senior level
186K-219K Annually
Senior level
Artificial Intelligence • Blockchain • Fintech • Financial Services • Cryptocurrency • NFT • Web3
As a Senior Software Engineer at Coinbase, you will design and build scalable backend services using Golang, collaborating with cross-functional teams and ensuring high-quality code delivery.
Top Skills: BitcoinBlockchainDockerDynamoDBEthereumGoMongoDBPostgresRuby on RailsRuby
Reposted 15 Hours AgoSaved
Remote or Hybrid
Colorado, CO
100K-150K Annually
Mid level
100K-150K Annually
Mid level
Fintech • Legal Tech • Payments • Sales • Software
As a Backend Software Engineer at AffiniPay, you will deliver secure, high-availability APIs, mentor junior engineers, and develop solutions in a collaborative environment focused on quality and scalability.
Top Skills: Apache KafkaAWSAws RdsJavaKubernetesPythonRdbmsScalaSQL
Reposted YesterdaySaved
Remote
Colorado, CO
Senior level
Senior level
Aerospace
Develop and enhance backend systems for controlling and monitoring biofarming products. Ensure code quality, lead development, and deploy solutions in production environments.
Top Skills: APIsDockerElasticsearchGitGoGraphQLGrpcInfluxdbMqttNoSQLPostgressqlPythonSQLSqlite
22 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
98K-210K Annually
Mid level
98K-210K Annually
Mid level
Cloud • Security • Software • Cybersecurity • Automation
The Backend Engineer will lead architectural transformations of security policy storage, design efficient enforcement features, and integrate across the GitLab platform while ensuring security automation and code quality.
Top Skills: Api DevelopmentCi/CdGitlabPostgresRuby On Rails
Reposted 5 Days AgoSaved
In-Office or Remote
Colorado, CO
126K-220K
Senior level
126K-220K
Senior level
Software
As a Senior Backend Engineer at Mux, you will build scalable applications, manage service infrastructure, and support product development while collaborating across teams.
Top Skills: ElixirGoKubernetesNode.jsPythonRuby
Reposted 23 Days AgoSaved
Remote or Hybrid
Colorado, CO
150K-230K Annually
Senior level
150K-230K Annually
Senior level
HR Tech • Information Technology • News + Entertainment • Professional Services • Sales • Software
The Backend Engineer will focus on backend development, software design, and scalable architecture, requiring experience in C#, Java, or Scala, and cloud technologies like AWS.
Top Skills: AWSAws GlueC#JavaMySQLPostgresPysparkScala
Reposted 7 Days AgoSaved
Remote or Hybrid
Colorado, CO
145K-160K Annually
Mid level
145K-160K Annually
Mid level
Big Data • Fintech • Information Technology • Insurance • Software
Develop backend services using Golang and PostgreSQL, write tests, peer review code, and ensure software security and maintainability.
Top Skills: Ci/CdDockerGoOpenapiPostgresProtocol BuffersRamlSwagger
Reposted 11 Days AgoSaved
Remote
Colorado, CO
148K-174K Annually
Junior
148K-174K Annually
Junior
Artificial Intelligence • Blockchain • Fintech • Financial Services • Cryptocurrency • NFT • Web3
Design, develop, and maintain wallet systems while collaborating with teams, troubleshooting problems, and ensuring high code quality for production services.
Top Skills: BlockchainEthereumGoRubySolana
Reposted YesterdaySaved
Remote
Colorado, CO
196K-265K Annually
Senior level
196K-265K Annually
Senior level
Artificial Intelligence • Cloud • Consumer Web • Productivity • Software • App development • Data Privacy
Design and implement AI-powered features in Dropbox's File, Sync, and Share experience, while collaborating with product and design teams to enhance user interactions.
Top Skills: AIBackendCoding LanguagesDropboxFrontendInfraLlmMlSemantic Search
Reposted YesterdaySaved
Easy Apply
Remote
Colorado, CO
Easy Apply
232K-310K
Senior level
232K-310K
Senior level
Big Data • Fintech • Mobile • Payments • Financial Services
This role involves defining technical direction for the Discovery domain, building large-scale systems, and collaborating across teams to enhance user engagement.
Top Skills: APIsData Processing PipelinesDistributed SystemsPythonWeb Application Frameworks
Reposted YesterdaySaved
Remote
Colorado, CO
186K-219K Annually
Senior level
186K-219K Annually
Senior level
Artificial Intelligence • Blockchain • Fintech • Financial Services • Cryptocurrency • NFT • Web3
Develop and enhance low-latency backend services for trading, focusing on scalability and modern cloud technologies. Collaborate with teams to implement robust solutions and maintain production infrastructure.
Top Skills: DockerGoJavaKubernetesMongoDBNo-SqlPostgresRds PostgresSQL
Reposted YesterdaySaved
Remote or Hybrid
Colorado, CO
Senior level
Senior level
Cloud • Insurance • Payments • Software • Business Intelligence • App development • Big Data Analytics
The Senior Software Engineer will develop backend solutions using Python, design APIs, ensure security and scalability, and collaborate in an Agile environment.
Top Skills: AWSAzureDjangoFastapiGCPGitGCPPythonRestSoap
Reposted 24 Days AgoSaved
In-Office or Remote
Colorado, CO
200K-240K Annually
Senior level
200K-240K Annually
Senior level
Digital Media • Kids + Family • Mobile • Software • Sports
Lead the development of video capabilities in a new engineering team. Collaborate across teams, manage video pipelines, mentor engineers, and enhance user experiences.
Top Skills: AWSC#C++Ci/Cd ToolsFfmpegGoKotlinNode.jsPythonReactRustSwiftTypescript
Reposted 2 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
115K-170K
Junior
115K-170K
Junior
Big Data • Fintech • Mobile • Payments • Financial Services
The Software Engineer I will design, develop, and launch scalable backend systems, collaborate with team members, and ensure system reliability.
Top Skills: AWSKotlinKubernetesMySQLPython
3 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
169K-240K
Senior level
169K-240K
Senior level
Big Data • Fintech • Mobile • Payments • Financial Services
The role involves owning quarterly goals, collaborating with product teams, mentoring engineers, supporting robust data infrastructure, and promoting quality and ownership in development.
Top Skills: Apache IcebergDatabricksFlinkGlueJavaKafkaKotlinPythonSnowflakeSpark
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