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Top Backend Engineer Jobs in Denver & Boulder, CO

Reposted YesterdaySaved
Easy Apply
Remote
Colorado, CO
Easy Apply
98K-210K Annually
Senior level
98K-210K Annually
Senior level
Cloud • Security • Software • Cybersecurity • Automation
As a Senior Backend Engineer, you will design and develop security platform capabilities, architect greenfield projects, and create robust APIs, contributing to the infrastructure of enterprise security solutions.
Top Skills: ElasticsearchGitGitlab Ci/CdGraphQLNoSQLPostgresRest ApiRuby On Rails
YesterdaySaved
Remote
Colorado, CO
143K-229K Annually
Senior level
143K-229K Annually
Senior level
Cloud • Fintech • Food • Information Technology • Software • Hospitality
The Staff Backend Engineer designs, develops, and supports integrations across platforms, collaborating with teams and ensuring high-quality services in production.
Top Skills: JavaJavaScriptJSONKotlinPostgresRestRubySQLXML
Reposted YesterdaySaved
Easy Apply
Remote
Colorado, CO
Easy Apply
135K-165K
Mid level
135K-165K
Mid level
Big Data • Healthtech • HR Tech • Machine Learning • Software • Telehealth • Big Data Analytics
The Backend Engineer II will build and maintain back-end services, support system outages, collaborate on technical designs, and ensure user privacy and security. The role requires expertise in Python and related technologies, with a focus on improving healthcare quality.
Top Skills: AWSElasticsearchKubernetesNatsPostgresPythonSnowflakeSQLTerraform
Reposted 2 Days AgoSaved
Remote or Hybrid
Colorado, CO
195K-290K Annually
Expert/Leader
195K-290K Annually
Expert/Leader
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
Lead and develop Agentic AI solutions, mentor team members, collaborate on AI applications, and tackle complex challenges in cybersecurity.
Top Skills: Amazon BedrockGoGoogle Vertex AiJavaMicrosoft Copilot StudioOpen AiPythonScalaServerless Architecture
Reposted 3 Days AgoSaved
Easy Apply
In-Office or Remote
Colorado, CO
Easy Apply
150K-250K
Mid level
150K-250K
Mid level
Fintech • Payments • Financial Services
Looking for a backend engineer to build and maintain infrastructure for trading operations. Requires experience in high-performance systems, APIs, and databases. Familiarity with AWS and stream processing is necessary, with potential experience in trading systems preferred.
Top Skills: AWSEcsGoKafkaPostgresRds
6 Days AgoSaved
Remote
Colorado, CO
160K-220K Annually
Mid level
160K-220K Annually
Mid level
Artificial Intelligence • Machine Learning • Natural Language Processing • Software • Conversational AI
Design and implement secure, robust backend services for speech processing, improve inference services, and optimize system performance in a fast-paced environment.
Top Skills: CC++PythonRustTorchUnix
6 Days AgoSaved
Remote
Colorado, CO
135K-190K Annually
Mid level
135K-190K Annually
Mid level
Artificial Intelligence • Machine Learning • Natural Language Processing • Software • Conversational AI
As a Backend Engineer on the Console Team, you'll design and build APIs for managing user projects and internal systems, optimizing for performance and maintainability with Rust and PostgreSQL.
Top Skills: NomadPostgresRust
Reposted 6 Days AgoSaved
Remote or Hybrid
Colorado, CO
120K-180K Annually
Mid level
120K-180K Annually
Mid level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
As a Cloud Engineer, you'll enhance systems, develop solutions, and collaborate with analysts to improve cybersecurity efficacy and operational efficiency.
Top Skills: AWSAzureC++DockerGCPGoGraph DatabasesJavaKafkaKinesisKubernetesLinuxNoSQLPythonRelational Databases
Reposted 6 Days AgoSaved
Remote or Hybrid
Colorado, CO
120K-180K Annually
Mid level
120K-180K Annually
Mid level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
As a Cloud Engineer III, you will develop cloud-native security solutions, focusing on UEBA and anomaly detection within a distributed system to protect against cyber threats.
Top Skills: C#DockerGoGrafanaJavaKafkaKubernetesOpensearchPostgresPythonRedis
8 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
Senior level
Senior level
Cloud • Security • Software • Cybersecurity • Automation
Lead the development and implementation of AI-powered coding tools, driving technical strategy and ensuring system performance across distributed applications.
Top Skills: Ai/Ml TechnologiesPythonRubyRustTypescript
Reposted 8 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
As a Staff Backend Engineer, you'll lead the technical roadmap for healthcare data interoperability, build scalable APIs and mentor engineers, driving innovation in healthcare technology.
Top Skills: AIAPIsBackend ServicesFhirHl7Microservices
Reposted 8 Days AgoSaved
In-Office or Remote
Colorado, CO
90K-150K Annually
Mid level
90K-150K Annually
Mid level
Artificial Intelligence • Fintech • Software
As a Back-End Engineer, you will design, implement, and maintain core infrastructure while ensuring performance, scalability, and reliability in a fintech environment.
Top Skills: AWSDevOpsEc2ElbMongoDBNode.jsS3
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Reposted 8 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
98K-210K Annually
Mid level
98K-210K Annually
Mid level
Cloud • Security • Software • Cybersecurity • Automation
Implement and enhance product features, ensuring security and performance while collaborating with stakeholders. Engage with users for feedback and optimize workflows.
Top Skills: GoRuby On Rails
Reposted 8 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, you will develop vulnerability management features, collaborate with teams, and ensure high product quality.
Top Skills: PostgresRuby On Rails
Reposted 13 Days AgoSaved
Easy Apply
Remote or Hybrid
Colorado, CO
Easy Apply
170K-221K
Senior level
170K-221K
Senior level
Food • Software
As a Senior Backend Engineer, you'll build, deploy, and monitor backend applications while collaborating across disciplines to improve quality and efficiency in development processes.
Top Skills: Ci/CdPythonSaaS
Reposted 2 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Artificial Intelligence • Marketing Tech • Natural Language Processing
The Staff Back End Engineer will work on customer-facing applications, focusing on quality, business impact, and stability in systems, while mentoring other engineers.
Top Skills: AWSAws CdkAws EcsAws LambdaAws S3CloudFormationCloudwatchDatadogElastic ApmGoJavaScriptPrometheusPythonRubyTerraform
Reposted 12 Hours AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Software • App development
As a Senior Backend Engineer, you will build scalable backend systems, optimize performance, and improve observability while maintaining high software quality.
Top Skills: DatadogGitGCPGraphQLJavaScriptKubernetesNode.jsNotionPostgresRedisSlackTypegraphqlTypeormTypescript
11 Hours AgoSaved
Remote or Hybrid
Colorado, CO
120K-135K Annually
Mid level
120K-135K Annually
Mid level
Big Data • Fintech • Information Technology • Insurance • Software
As a Backend Software Engineer II at Bestow, you'll develop core services using Golang and PostgreSQL, resolve feature issues, and write unit and integration tests.
Top Skills: AWSAzureCi/CdDockerGCPGoKubernetesPostgres
11 Hours AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
142K-210K
Junior
142K-210K
Junior
Big Data • Fintech • Mobile • Payments • Financial Services
Design, develop and launch backend systems, support development lifecycle, create monitoring metrics, and contribute to team community.
Top Skills: Ci/CdKotlinPython
Reposted 12 Hours AgoSaved
Remote
Colorado, CO
148K-174K Annually
Junior
148K-174K Annually
Junior
Artificial Intelligence • Blockchain • Fintech • Financial Services • Cryptocurrency • NFT • Web3
The role involves building and testing product features related to financial transactions, designing solutions for scalability issues with a team.
Top Skills: BlockchainCryptoRelational DatabasesRest Api
YesterdaySaved
Remote
Colorado, CO
Senior level
Senior level
Artificial Intelligence • Productivity • Software • Automation
As a Senior Backend Engineer, you'll design and build partner-facing APIs, improve the Powered by Zapier platform, enhance developer tools, and collaborate with cross-functional teams to drive automation initiatives.
Top Skills: Api KeysDjangoDjango Rest FrameworkJwtsOauthPython
YesterdaySaved
Remote
Colorado, CO
140K-210K Annually
Senior level
140K-210K Annually
Senior level
Sales • Software • Automation
As a Senior Software Engineer, you will design, build, and launch backend systems and APIs, collaborate with cross-functional teams, and improve scalability and performance of the CRM application.
Top Skills: AnsibleAWSDockerElasticsearchFlaskGraphQLKubernetesMongoDBPostgresPythonRedisTerraformWebsockets
Reposted 12 Hours AgoSaved
Remote
Colorado, CO
Mid level
Mid level
Artificial Intelligence • Big Data • Internet of Things • Software
The Backend Engineer will develop intricate backend systems, build performant APIs, and contribute to technology innovation at Entefy.
Top Skills: Node.jsNoSQLSQL
2 Days AgoSaved
Remote
Colorado, CO
140K-185K Annually
Mid level
140K-185K Annually
Mid level
Artificial Intelligence • Productivity • Software • Automation
Develop and maintain Zapier's execution engine, improve performance and scalability, architect core systems, and collaborate with cross-functional teams.
Top Skills: AWSDatabricksGrafanaGraylogLookerMySQLPostgresPython
Reposted 2 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
156K-195K Annually
Senior level
156K-195K Annually
Senior level
Artificial Intelligence • Enterprise Web • Information Technology • Productivity • Sales • Software • Database
As a Senior Backend Engineer, you will develop scalable backend endpoints, mentor team members, and lead the software development lifecycle while collaborating with cross-functional teams.
Top Skills: AnsibleDockerElasticsearchKubernetesMongoDBNode.jsReactRedisReduxRubyRuby On RailsTerraform
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