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Top Senior Backend Engineer Jobs in Denver & Boulder, CO

Reposted 3 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
13 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
13 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
13 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
13 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 17 Days AgoSaved
Remote or Hybrid
Colorado, CO
145K-160K Annually
Senior level
145K-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
Reposted 21 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
Senior level
Senior level
Cloud • Security • Software • Cybersecurity • Automation
The Senior Backend Engineer will develop scalable product features, lead technical initiatives, mentor engineers, and guide technical strategies related to GitLab Geo.
Top Skills: PostgresRuby On Rails
Reposted 22 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
132K-207K Annually
Senior level
132K-207K Annually
Senior level
Artificial Intelligence • Cloud • eCommerce • 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 23 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Software
The role involves technical discussions, mentoring developers, implementing new features, and managing AWS applications. Responsibilities include code review and improving processes.
Top Skills: AWSDockerHelmJson ApisKubernetesMySQLPostgresRubyRuby On RailsSQL
Reposted 24 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
Reposted 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 YesterdaySaved
Remote or Hybrid
Colorado, CO
100K-140K Annually
Senior level
100K-140K Annually
Senior level
Cloud • Insurance • Payments • Software • Business Intelligence • App development • Big Data Analytics
The role involves designing, developing, and delivering high-quality software solutions, conducting code reviews, and debugging applications, with a focus on SaaS-based development and software quality.
Top Skills: DjangoFastapiPostgresPythonReactTypescript
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Reposted 7 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Blockchain • Software • Financial Services • Cryptocurrency
Design and develop backend systems for Fern's financial products, ensuring accessibility and security for millions of users while moving large transaction volumes.
Top Skills: Backend EngineeringFintechWeb3
Reposted 3 Days AgoSaved
Remote
Colorado, CO
180K-230K Annually
Senior level
180K-230K Annually
Senior level
Software • Defense
Design and maintain backend services for a military workflow platform, focusing on scalability, performance, and reliability in production systems.
Top Skills: AWSAzureCi/CdDockerGCPGoGraphQLGrpcJavaKafkaKubernetesNode.jsNon-Relational DatabasesPub/SubPythonRelational DatabasesRest
5 Days AgoSaved
Remote
Colorado, CO
196K-265K Annually
Expert/Leader
196K-265K Annually
Expert/Leader
Artificial Intelligence • Cloud • Consumer Web • Productivity • Software • App development • Data Privacy
As a Senior Backend Product Software Engineer, you'll enhance Dropbox products, collaborate with teams, mentor junior engineers, and participate in on-call rotations.
Top Skills: GoHTML/CSSJavaJavaScriptMySQLPythonReactRust
Reposted 11 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Artificial Intelligence • Software • Web3
The Sr. Backend Engineer will develop the core platform and web app using Typescript and Node.js, focusing on performance optimization and UI/UX implementation.
Top Skills: Node.jsTailwindcssTurborepoTypescript
Reposted 5 Days AgoSaved
Remote or Hybrid
Colorado, CO
140K-215K Annually
Senior level
140K-215K Annually
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
The Senior Backend Engineer will develop cloud-based systems for cybersecurity, focusing on scalability and reliability, using languages like Go and Python. Collaboration and mentorship are key components.
Top Skills: AWSAzureCassandraElastic SearchGoKafkaKubernetesLinuxPythonRedis
Reposted 5 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
Senior level
Senior level
Cloud • Security • Software • Cybersecurity • Automation
As a Senior Backend Engineer, you will develop and maintain deployment infrastructure for GitLab's self-managed customers, ensuring secure and scalable operations across various environments.
Top Skills: GoGrafanaHelmKubernetesPostgresPrometheusRubyTerraform
6 Days AgoSaved
Remote
Colorado, CO
223K-302K Annually
Senior level
223K-302K Annually
Senior level
Artificial Intelligence • Cloud • Consumer Web • Productivity • Software • App development • Data Privacy
Lead a team of engineers to deliver customer and business outcomes, shape technical direction, and architect foundational systems for reliability at scale.
Top Skills: Ai ToolsLlm-Based ApisMedia Systems EngineeringModern MlPerformance EngineeringSearch
Reposted An Hour AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Artificial Intelligence • Software
As a Senior Backend Engineer, you will design and develop intelligent backend systems, work with AI/ML workflows, optimize performance, and collaborate cross-functionally to enhance Catio's platform for tech architecture planning.
Top Skills: GoPython
Reposted An Hour AgoSaved
Remote
Colorado, CO
185K-217K Annually
Senior level
185K-217K Annually
Senior level
Mobile • Financial Services
The Senior Backend Engineer will lead AI-focused projects, optimize data pipelines, mentor juniors, and enhance customer support through innovative technologies.
Top Skills: AWSBedrockDatabricksKubernetesMatplotlibNumpyPandasPythonPyTorchSagemakerScikit-Learn
Reposted 3 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
Expert/Leader
Expert/Leader
Artificial Intelligence • Machine Learning • Natural Language Processing • Conversational AI • Generative AI
The Senior Backend Engineer will develop and maintain backend systems, collaborate on data-driven solutions, and enhance products using machine learning.
Top Skills: Api DevelopmentCloud-Based TechnologiesData PipelinesJavaMachine LearningMicroservicesNode.jsPython
Reposted YesterdaySaved
Easy Apply
Remote
Colorado, CO
Easy Apply
160K-240K Annually
Senior level
160K-240K Annually
Senior level
Sports
The Senior Backend Engineer will design and deploy APIs, build microservices for high-volume data, and drive technical initiatives in a fast-paced environment.
Top Skills: AWSAzureCi/CdDockerGCPGoKubernetesTerraform
Reposted 7 Days AgoSaved
Remote or Hybrid
Colorado, CO
140K-215K Annually
Senior level
140K-215K Annually
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
As a Backend Software Engineer, you'll design high-volume services, working with distributed systems, network protocols, and performance optimization to enhance CrowdStrike's cybersecurity solutions.
Top Skills: AWSAzureCassandraElasticsearchGCPGoKafka
Reposted 8 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
Develop and enhance Dropbox products, focusing on high-performance Java backend development, collaborating with teams and mentoring juniors, while participating in continuous deployment.
Top Skills: AWSJavaPostgresSQL
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