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Top Senior Backend Engineer Jobs in Denver & Boulder, CO

Reposted 3 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 3 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 4 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 4 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 5 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 5 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 5 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 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'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 5 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 10 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 An Hour 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
Reposted An Hour 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
As a Senior Software Engineer, you will lead backend development, manage APIs, support product delivery, and ensure system reliability while fostering team growth.
Top Skills: AWSKotlinKubernetesMySQLPython
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Reposted An Hour 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
Reposted An Hour 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 24 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 2 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 4 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
Design and deliver scalable backend solutions, mentor team members, and lead technical projects in a high-impact institutional finance environment focusing on blockchain technology.
Top Skills: AWSBlockchain Protocols (E.G.EvmGoGraphQLKubernetesRest ApisSolanaUtxo)
Reposted 4 Days AgoSaved
Remote or Hybrid
Colorado, CO
170K-230K Annually
Expert/Leader
170K-230K Annually
Expert/Leader
HR Tech • Information Technology • Professional Services • Sales • Software
The Senior Backend Engineer will develop core mechanisms for financial planning, lead backend development, mentor peers, and manage the full development cycle.
Top Skills: AWSAws GlueC#JavaMySQLPostgresPysparkScalaSinglestore
6 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 lead the technical design and implementation for trading and financial infrastructure, ensuring a performant experience while influencing decision-making across multiple teams. With over 10 years of backend systems experience, you will simplify architecture and enhance engineering rigor.
Top Skills: Backend Distributed SystemsCrypto-Native SystemsMarket MakingTrading Systems
Reposted 59 Minutes AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Social Media
As a Senior Backend Engineer, you'll develop and maintain public APIs, improve internal systems, and ensure scalability while collaborating closely with product and design teams.
Top Skills: Apollo ClientAWSGraphQLJestKubernetesMongoDBNode.jsPHPPlaywrightReactTypescript
Reposted An Hour AgoSaved
Remote
Colorado, CO
160K-220K Annually
Senior level
160K-220K Annually
Senior level
Information Technology • Internet of Things
The Senior Backend Engineer will design and implement complex financial systems, lead technical decisions, mentor junior engineers, and optimize system performance within a remote fintech team.
Top Skills: Google Cloud PlatformNoSQLPythonSQL
Reposted An Hour AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
Senior level
Senior level
AdTech
As a Senior Backend Engineer, you'll build and maintain backend services for ad buying systems, analyze data to improve performance, and mentor other engineers.
Top Skills: AWSCi/CdGCPGitKotlinLinux/UnixPysparkPythonSQL
6 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
The Senior Software Engineer will lead AI automation initiatives, collaborating across teams to design and implement AI-driven solutions, ensuring they deliver measurable ROI while enhancing operational efficiencies.
Top Skills: AIGenerative AiGoLangchainLanggraphLlmsPython
Reposted 6 Days AgoSaved
Remote
Colorado, CO
150K-225K Annually
Senior level
150K-225K Annually
Senior level
Artificial Intelligence • Healthtech • Insurance • Mobile • Financial Services
Design and build integration frameworks for data flows between Granted and external partners, focusing on reliability and performance while utilizing AI for automation.
Top Skills: AIAPIsBackend EngineeringDistributed SystemsEhrHsa/Fsa
Reposted 2 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Blockchain • Payments • Financial Services
Design, develop, and maintain backend infrastructure for cross-chain products. Focus on scalability and integration with blockchain networks. Seeking experienced developers with a crypto background.
Top Skills: Backend SystemsBlockchainCrypto ProtocolsSmart Contracts
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