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Top Senior Backend Engineer Jobs in Denver & Boulder, CO

YesterdaySaved
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
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 5 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 6 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 11 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
YesterdaySaved
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
Reposted YesterdaySaved
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 2 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 25 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 4 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Agency • Digital Media • eCommerce • Professional Services • Software • Analytics • Consulting
Lead custom platform development for enterprise-level clients as a Senior AEM Back-End Developer, overseeing project life cycles from design to maintenance while ensuring high availability and performance.
Top Skills: AemJavaSling
Reposted 4 Days AgoSaved
Remote
Colorado, CO
196K-265K Annually
Senior level
196K-265K 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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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
Reposted 4 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
5 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 5 Days AgoSaved
Remote
Colorado, CO
134K-214K Annually
Senior level
134K-214K Annually
Senior level
Cloud • Fintech • Food • Information Technology • Software • Hospitality
The Senior Software Engineer will develop robust full-stack applications, mentor team members, and contribute to architectural discussions for Embedded Finance capabilities.
Top Skills: GraphQLJavaKotlinRest
Reposted 19 Hours AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
135K-200K Annually
Senior level
135K-200K Annually
Senior level
Productivity • Software
As a Senior Backend Engineer, you will design and maintain backend systems, optimize performance, conduct code reviews, and collaborate across teams.
Top Skills: MongoDBMySQLPostgres
Reposted 20 Hours 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
YesterdaySaved
Remote
Colorado, CO
150K-170K Annually
Senior level
150K-170K Annually
Senior level
Information Technology • Software • Analytics • Business Intelligence
The Senior Backend Engineer will develop and maintain backend services for a cloud platform, focusing on scalable APIs, database management, and system integration, while collaborating with frontend and data teams.
Top Skills: CeleryFastapiGitlabPostgresPytestPythonSnowflakeSqlalchemySqlmodel
Reposted YesterdaySaved
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 YesterdaySaved
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
Reposted 2 Days AgoSaved
Remote
Colorado, CO
179K-179K Annually
Senior level
179K-179K Annually
Senior level
Information Technology
As a Senior Backend Engineer at DuckDuckGo, you'll lead complex backend projects, mentor other engineers, and collaborate on privacy solutions, utilizing Perl, Go, and Node.js.
Top Skills: GoNode.jsPerl
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
Reposted 3 Days AgoSaved
Remote or Hybrid
Colorado, CO
159K-207K Annually
Senior level
159K-207K Annually
Senior level
Artificial Intelligence • Automotive • Machine Learning • Transportation
As a Senior Backend Engineer, you'll architect and enhance the OmniTag engine for data mining, optimize multimodal data pipelines, and ensure production reliability, directly impacting the efficiency of ML workflows.
Top Skills: AirflowAWSCi/CdJaxPythonPyTorchRaySparkSQL
Reposted 3 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
139K-203K Annually
Senior level
139K-203K Annually
Senior level
Artificial Intelligence • Information Technology • Machine Learning • Marketing Tech • Software • Biotech • Design
Develop and maintain backend solutions, ensuring performance, security, and regulatory compliance, while collaborating in cross-functional teams.
Top Skills: AWSFastapiPython
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