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Top Senior Backend Engineer Jobs in Denver & Boulder, CO

8 Days Ago
Remote
Hybrid
Colorado, CO
135K-215K Annually
Senior level
135K-215K Annually
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
Lead backend engineering efforts to design, develop, and enhance large-scale applications, focusing on distributed technologies and systems design.
Top Skills: Go,Golang,Java8,Python,Git,Cassandra,Kafka,Elasticsearch,Kubernetes,Postgres,Redis,Aws Cloud
Reposted 3 Hours Ago
Remote
Colorado, CO
170K-200K Annually
Senior level
170K-200K Annually
Senior level
Insurance • Legal Tech • Social Impact
Design and operate APIs, evaluate storage technologies, review and test code, and mentor teammates on best practices to support Atticus' mission and growth.
Top Skills: AWSBig DataCircleCICockroachdbDockerGCPGitGoGoogle SpannerGraphQLHadoopHttp RestJavaJavaScriptKubernetesPythonRubyScala
10 Days Ago
Remote
Hybrid
Colorado, CO
145K-160K Annually
Mid level
145K-160K Annually
Mid level
Big Data • Fintech • Information Technology • Insurance • Software
Develop backend services using Golang and PostgreSQL, write tests, peer review code, and ensure software security and maintainability.
Top Skills: Ci/CdDockerGoOpenapiPostgresProtocol BuffersRamlSwagger
14 Days Ago
Easy Apply
Remote
Colorado, CO
Easy Apply
132K-207K
Senior level
132K-207K
Senior level
eCommerce • Software • Design • SEO
As a Senior Backend Engineer, you'll design and implement scalable backend services, manage access control, and mentor junior engineers while ensuring high-quality code and collaborating with product teams.
Top Skills: Amazon Web ServicesApolloEc2GraphQLJavaScriptKafkaLambdasMongoDBNode.jsS3Typescript
6 Days Ago
Easy Apply
Remote
Colorado, CO
Easy Apply
118K-252K Annually
Senior level
118K-252K Annually
Senior level
Cloud • Security • Software • Cybersecurity • Automation
As a Senior Backend Engineer, you will maintain compliance tools, develop automated solutions for financial compliance, analyze code changes, and collaborate with auditors to ensure regulatory adherence.
Top Skills: Compliance ReportingData AnalysisGitRuby On Rails
8 Days Ago
Remote
Hybrid
Colorado, CO
155K-270K Annually
Senior level
155K-270K Annually
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
The role involves designing and developing cloud-native microservices for a Next-Gen SIEM platform, leading complex projects, mentoring junior engineers, and ensuring software engineering best practices.
Top Skills: C#DockerGoGrafanaJavaKafkaKubernetesOpensearchPostgresPythonRedis
8 Days Ago
Remote
Hybrid
Colorado, CO
155K-255K Annually
Senior level
155K-255K Annually
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
Develop cloud-native microservices for Next-Gen SIEM, driving projects from design to implementation in a high-volume environment. Mentor junior engineers and optimize systems for performance.
Top Skills: AWSC#DockerGoGrafanaJavaKafkaKubernetesOpensearchPostgresPythonRedis
9 Days Ago
Remote
Colorado, CO
Senior level
Senior level
Agency • Digital Media • Mobile • Design
As a Senior Backend Engineer, you will build back-end services, mentor team members, and ensure high-performance web delivery. You'll use best practices and modern technologies while taking ownership of your work.
Top Skills: Node.jsTypescript

Featured Jobs

9 Days Ago
Remote
Colorado, CO
155K-255K Annually
Senior level
155K-255K Annually
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
Join the Policy team to lead backend engineering efforts, develop cloud-based systems for cyber threat intelligence, and mentor developers, focusing on large-scale applications and systems.
Top Skills: AWSCassandraConfluenceDockerElasticsearchGitGoJenkinsJIRAK8SKafkaOpensearchPostgresRedisSlackSpinnakerTerraform
13 Days Ago
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 develop and manage backend services for a data observability platform, collaborating with a team and overseeing major projects from inception to deployment.
Top Skills: AirflowAWSDatabricksDbtDjangoLambdaPysparkPythonSnowflake
Reposted Yesterday
Remote
Colorado, CO
126K-220K
Senior level
126K-220K
Senior level
Software
As a Senior Backend Engineer at Mux, you will build scalable applications, manage service infrastructure, and support product development while collaborating across teams.
Top Skills: ElixirGoKubernetesNode.jsPythonRuby
18 Days Ago
Easy Apply
Remote
Colorado, CO
Easy Apply
175K-200K Annually
Senior level
175K-200K Annually
Senior level
Cannabis • eCommerce • Enterprise Web • Logistics • Payments • Software • Database
The Senior Backend Engineer II will design, refine, and build eCommerce workflows and APIs, lead architectural decisions, and mentor team members in a rapidly growing B2B cannabis platform.
Top Skills: DockerKubernetesNode.jsTypescript
4 Days Ago
Remote
Colorado, CO
Senior level
Senior level
Artificial Intelligence • Marketing Tech • Natural Language Processing
Seeking a senior back end software engineer for a customer-facing application. Responsibilities include building and operating scalable systems, mentoring, and ensuring system quality and stability.
Top Skills: AWSAws CdkAws EcsAws LambdaAws S3CloudFormationCloudwatchDatadogElastic ApmGoJavaScriptPrometheusPythonRubyTerraform
Reposted 6 Days Ago
Remote
Colorado, CO
162K-219K
Senior level
162K-219K
Senior level
Cloud • Information Technology
As a Senior Backend Engineer, you'll enhance network data observability services, tackle challenging engineering problems, and collaborate across teams at Kentik.
Top Skills: EnvoyExpressGitGoGrpcHaproxyJavaJavaScriptJenkinsJSONKafkaMySQLNode.jsPostgresPythonReactRedisRestRust
24 Days Ago
Remote
Hybrid
Colorado, CO
185K-185K Annually
Senior level
185K-185K Annually
Senior level
eCommerce • Legal Tech • Professional Services • Software • Data Privacy
The Senior Backend Developer will create scalable API systems, collaborate with teams, and enhance the domain registration process.
Top Skills: APIsJSONRuby On RailsXML
7 Days Ago
Remote
Colorado, CO
Senior level
Senior level
Fintech • Payments • Software • Financial Services
As a Senior Backend Engineer at Aleph, you will design, develop, and own software features, collaborate with various teams, and establish best practices in a fast-paced environment.
Top Skills: AlgorithmsBackend Software EngineeringData Structures
6 Days Ago
Remote
Colorado, CO
162K-219K
Senior level
162K-219K
Senior level
Cloud • Information Technology
As a Sr Backend Engineer, you lead technical initiatives, develop features, and drive product architecture in a high-performance SaaS environment.
Top Skills: C/C++ExpressGoJenkinsKafkaMySQLNode.jsPostgresReactRedisSQL
2 Days Ago
Easy Apply
Remote
Colorado, CO
Easy Apply
232K-310K
Senior level
232K-310K
Senior level
Big Data • Fintech • Mobile • Payments • Financial Services
The Senior Staff Software Engineer will design and maintain a scalable datastore platform, collaborating across teams and mentoring junior engineers, focusing on database performance and reliability.
Top Skills: AnsibleAws AuroraCachingDistributed SqlDynamoDBGoKotlinMySQLPythonRustTerraform
Yesterday
Remote
Colorado, CO
212K-212K
Senior level
212K-212K
Senior level
Fintech • Mobile • Payments • Software
RevenueCat seeks a Senior Backend Engineer to design, build, and support features for mobile subscriptions, focusing on reliability and scalability.
Top Skills: ClickhousePostgresPythonReactSQL
3 Days Ago
Remote
Hybrid
Colorado, CO
135K-215K Annually
Senior level
135K-215K Annually
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
Lead backend engineering for CrowdStrike’s authentication services, emphasizing design, implementation, and operational ownership across large-scale cloud systems.
Top Skills: AWSCassandraElasticsearchGitGoGraphQLKafkaOauthPostgresPythonRedisZmq
3 Days Ago
Remote
Colorado, CO
140K-210K Annually
Senior level
140K-210K Annually
Senior level
Sales • Software • Automation
Join a cross-functional team as a Senior Software Engineer to design, launch, and scale backend systems, collaborate with teammates, and improve product features.
Top Skills: AnsibleAWSCi/CdDockerEksElasticcacheElasticsearchFlaskGraphQLKubernetesMongoDBMskPostgresPythonRdsRedisTerraformTwilio Api
3 Days Ago
Easy Apply
Remote
Colorado, CO
Easy Apply
232K-310K
Senior level
232K-310K
Senior level
Big Data • Fintech • Mobile • Payments • Financial Services
This role involves defining technical direction for the Discovery domain, building large-scale systems, and collaborating across teams to enhance user engagement.
Top Skills: APIsData Processing PipelinesDistributed SystemsPythonWeb Application Frameworks
3 Days Ago
Easy Apply
Remote
Colorado, CO
Easy Apply
232K-310K
Senior level
232K-310K
Senior level
Big Data • Fintech • Mobile • Payments • Financial Services
Define technical strategy in Identity Engineering, architect next-generation identity services, mentor engineers, and collaborate across teams to deliver high-impact projects.
Top Skills: Kotlin
5 Days Ago
Remote
Colorado, CO
196K-265K Annually
Senior level
196K-265K Annually
Senior level
Artificial Intelligence • Cloud • Consumer Web • Productivity • Software • App development • Data Privacy
The Senior Backend Product Software Engineer will architect scalable systems for user privacy and data security, lead product development, and collaborate with various teams.
Top Skills: AngularHTML/CSSJavaScriptMongoDBMySQLNode.jsPostgresPythonReact
5 Days Ago
Remote
Colorado, CO
140K-190K Annually
Senior level
140K-190K Annually
Senior level
Artificial Intelligence • Machine Learning • Natural Language Processing • Software
Design and implement scalable backend services for speech processing, optimizing performance, and working closely with product teams to enhance offerings.
Top Skills: CC++GitPythonRustUnixVersion Control
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