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Top Senior Backend Engineer Jobs in Denver & Boulder, CO

Reposted 2 Hours AgoSaved
Remote or Hybrid
Colorado, CO
110K-160K Annually
Senior level
110K-160K Annually
Senior level
Big Data • Fintech • Information Technology • Insurance • Software
Develop core backend services using Golang and PostgreSQL. Engage in peer code reviews, ensure software security, and advocate for CI/CD practices.
Top Skills: DockerGoPostgres
4 Days AgoSaved
In-Office or Remote
Colorado, CO
120K-150K Annually
Senior level
120K-150K Annually
Senior level
Productivity • Software • App development • Automation
The Senior Backend Engineer will develop innovative features for Xodo Sign and maintain the existing codebase while collaborating closely with the development team.
Top Skills: AWSDockerMySQLPHPRest ApisSymfony
Reposted 4 Days AgoSaved
Remote or Hybrid
Colorado, CO
165K-235K Annually
Senior level
165K-235K Annually
Senior level
Big Data • Cloud • Productivity • Software • Database • Analytics • Automation
The Senior Backend Engineer will design and implement features for a SaaS product, focusing on backend systems, data modeling, and improving team capabilities.
Top Skills: AWSCi/CdDjangoPython
Reposted 4 Days AgoSaved
Remote or Hybrid
Colorado, CO
165K-235K Annually
Senior level
165K-235K Annually
Senior level
Big Data • Cloud • Productivity • Software • Database • Analytics • Automation
As a Senior Backend Engineer, you'll build features for AI integration, measure productivity changes, and support production operations in a SaaS environment.
Top Skills: AWSDjangoPythonReact
Reposted 4 Days AgoSaved
Remote or Hybrid
Colorado, CO
165K-235K Annually
Senior level
165K-235K Annually
Senior level
Big Data • Cloud • Productivity • Software • Database • Analytics • Automation
Seeking a Senior Backend Engineer to develop backend systems for a Native AI platform, focusing on API design, data integration, and production software systems using Python and Django.
Top Skills: Api DesignAWSDjangoLarge Language ModelsPython
Reposted 4 Days AgoSaved
Remote or Hybrid
Colorado, CO
165K-235K Annually
Senior level
165K-235K Annually
Senior level
Big Data • Cloud • Productivity • Software • Database • Analytics • Automation
The Senior Backend Engineer, AI Systems will design features for a SaaS environment, manage complex data, and work with AI models. Responsibilities include implementation, support for production, and collaboration within an agile team.
Top Skills: Amazon BedrockAmazon SagemakerAWSCi/CdClaude CodeColumnar Database SystemsCopilotCursorKiroLarge Language ModelsPythonReactRelational Database Systems
Reposted 5 Days AgoSaved
In-Office or Remote
Colorado, CO
65-90 Hourly
Senior level
65-90 Hourly
Senior level
Food • Healthtech • Information Technology • Other
The Senior Back-End Engineer will build cloud-native back-end services, APIs, and microservices for a health technology platform, focusing on scalability, security, and compliance.
Top Skills: .Net 10Api ManagementAzure FunctionsC#Cosmos DbEvent GridKey VaultService BusSQL
Reposted 5 Days AgoSaved
Remote
Colorado, CO
180K-230K Annually
Senior level
180K-230K Annually
Senior level
Big Data • Cloud • Software • Generative AI • Big Data Analytics
The Senior Backend Engineer will build production-grade backend services, own major projects from inception to deployment, and architect scalable solutions in a collaborative environment.
Top Skills: AWSPysparkPython
Reposted 6 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
132K-207K Annually
Senior level
132K-207K Annually
Senior level
Artificial Intelligence • Enterprise Web • Software • Design • Generative AI
As a Senior Backend Engineer, you'll collaborate with a cross-functional team to build features for a Digital Asset Manager, tackle complex technical issues, and apply web best practices in a rapidly evolving environment.
Top Skills: CSSExpressHTMLJavaScriptMongoDBNode.jsReactTypescript
Reposted 8 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
Senior level
Senior level
Cloud • Security • Software • Cybersecurity • Automation
As a Senior Backend Engineer, you'll develop and enhance authentication strategies, improve access management, and ensure security for GitLab users, focusing on scalable solutions.
Top Skills: IamLdapRbacRuby On RailsSAMLScimSso
12 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
146K-164K Annually
Mid level
146K-164K Annually
Mid level
Insurance
The Senior Backend Engineer will design, build, and maintain backend services and APIs for Openly's insurance platform, collaborating with various teams.
Top Skills: BigQueryCircleCICloud FunctionsDatadogGCPGitGoPostgresTerraform
Reposted 12 Days AgoSaved
Hybrid
Colorado, CO
135K-150K Annually
Senior level
135K-150K Annually
Senior level
Food • Healthtech • Information Technology • Other
Develop and maintain software applications, collaborate in agile teams, mentor junior engineers, and enhance digital experiences using modern technologies.
Top Skills: C#,.Net Core,Azure Functions,Webapi,Entity Framework,Azure Sql,Cosmosdb,Docker
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Reposted 12 Days AgoSaved
Remote or Hybrid
Colorado, CO
145K-190K Annually
Senior level
145K-190K Annually
Senior level
Big Data • Fintech • Information Technology • Insurance • Software
As a Senior Backend Engineer, you will develop web services for the life insurance enrollment experience, collaborating with various teams to enhance the product roadmap and maintain service quality.
Top Skills: DockerGoogle Cloud PlatformGrpcJavaKubernetesPostgresPythonRest
Reposted 18 Days AgoSaved
In-Office
Colorado, CO
125K-155K Annually
Senior level
125K-155K Annually
Senior level
Digital Media • Gaming • Software • Esports • Automation
The Senior Back-End Engineer will develop and maintain the US Sports platform, mentor junior engineers, and collaborate with stakeholders to enhance a high-throughput betting system.
Top Skills: .NetC#GCPGoKubernetesMicroservicesMssqlReactRustTypescriptWpf
Reposted 2 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
The Senior Software Engineer will design and develop backend systems, support API lifecycle, collaborate with teams, and engage in community activities.
Top Skills: AWSKotlinKubernetesMySQLPython
3 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
254K-299K Annually
Senior level
254K-299K Annually
Senior level
Artificial Intelligence • Blockchain • Fintech • Financial Services • Cryptocurrency • NFT • Web3
As a Senior Staff Software Engineer, you will define technical vision for backend systems, architect financial solutions, and lead cross-organizational initiatives while mentoring junior engineers.
Top Skills: GoK8MongoDBTemporal
3 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
254K-299K Annually
Senior level
254K-299K Annually
Senior level
Artificial Intelligence • Blockchain • Fintech • Financial Services • Cryptocurrency • NFT • Web3
The Senior Staff Engineer at Coinbase will build advanced products and systems, solve complex technical challenges, and drive engineering quality in user growth.
Top Skills: BackendBlockchain TechnologyDataMlWeb
3 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
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 scalable backend systems, lead growth experiments, and write high-quality code to enhance the crypto trading experience for users.
Top Skills: BlockchainDockerDynamoDBGoMongoDBPostgresRuby on RailsRuby
Reposted 4 Days AgoSaved
Remote
Colorado, CO
150K-225K Annually
Senior level
150K-225K Annually
Senior level
Artificial Intelligence • Healthtech • Insurance • Mobile • Financial Services
You will tackle AI challenges, develop scalable software and collaborate with teams to enhance healthcare navigation using AI solutions.
Top Skills: AIAPIsGpt-4Machine LearningSoftware Development
Reposted 2 Days AgoSaved
In-Office
Colorado, CO
Senior level
Senior level
Consumer Web • Other
The role involves developing high-scale, distributed backend systems, collaborating with teams, and optimizing products through A/B testing.
Top Skills: AWSElasticsearchHiveJavaKafkaKibanaRestful Api
6 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
The Senior Software Engineer will develop money management tools, collaborate with cross-functional teams, and mentor junior engineers.
Top Skills: Python,Kotlin,Aws
Reposted 2 Hours AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Fintech • Software • Financial Services
The Senior Backend Engineer will lead client projects, build AI solutions, and develop technical standards while mentoring junior engineers.
Top Skills: AWSAzureDbtGCPGitJupyterLangchainMatplotlibMl FrameworksPandasPolarsPydantic AiPydata StackPythonPyTorchScikit-LearnSQLTensorFlow
Reposted 2 Hours AgoSaved
Easy Apply
In-Office
Colorado, CO
Easy Apply
160K-185K Annually
Senior level
160K-185K Annually
Senior level
Aerospace • Information Technology • Other • Software • Consulting • Defense
The Senior Backend Engineer will build a next-gen communication platform for US satellites, focusing on services and mentoring junior engineers.
Top Skills: AWSDockerFastapiKubernetesPostgresPythonTerraform
Reposted 2 Hours AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
150K-200K Annually
Senior level
150K-200K Annually
Senior level
Marketing Tech • Mobile • Software
Design and build scalable backend systems in Go, collaborating across teams to ensure reliability and performance in communication systems.
Top Skills: AIAWSGCPGoMySQL
Reposted 2 Hours AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
160K-185K Annually
Senior level
160K-185K Annually
Senior level
Aerospace • Information Technology • Other • Software • Consulting • Defense
The Senior Backend Engineer will lead the development of a communications platform, building APIs and services while mentoring junior engineers.
Top Skills: AWSDockerFastapiKubernetesPostgresPythonTerraform
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