Top Senior Backend Engineer Jobs in Denver & Boulder, CO

Reposted 5 Days AgoSaved
Remote
Colorado, CO
148K-217K Annually
Senior level
148K-217K Annually
Senior level
Kids + Family • Mobile
As a Senior Backend Engineer II, you'll build cloud services for connected devices, leveraging AI in development workflows, and ensure reliable backend systems.
Top Skills: AWSCi/CdDynamoDBGoJavaKafkaLambdaMicroservicesPythonRestful ApiSqs
Reposted 11 Days AgoSaved
Remote or Hybrid
Colorado, CO
165K-235K Annually
Mid level
165K-235K Annually
Mid level
Big Data • Cloud • Productivity • Software • Database • Analytics • Automation
The Backend Software Engineer will develop data ingestion pipelines, implement observability tools, and provide technical support while improving team collaboration.
Top Skills: Python
12 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
232K-310K Annually
Senior level
232K-310K Annually
Senior level
Big Data • Fintech • Mobile • Payments • Financial Services
The Senior Staff Software Engineer will architect Affirm's lakehouse analytics platform, lead data governance efforts, mentor engineers, and collaborate across teams to optimize data solutions using Snowflake and other big data tools.
Top Skills: Apache IcebergDbtPythonSnowflakeSparkSQLTerraform
Reposted 6 Days AgoSaved
Remote
Colorado, CO
140K-160K Annually
Senior level
140K-160K Annually
Senior level
Artificial Intelligence • Fintech • Professional Services • Software • Financial Services • Automation
Lead design and development of scalable backend solutions using Django and Python. Build APIs, manage databases, and ensure security and collaboration with teams.
Top Skills: DjangoGraphQLPostgresPythonRestful Apis
Reposted 6 Days AgoSaved
Remote
Colorado, CO
192K-212K Annually
Senior level
192K-212K Annually
Senior level
Software • App development • Conversational AI
The Senior Backend Engineer will code and architect complex components, lead projects, provide guidance, and create scalable backend systems.
Top Skills: AWSDatadogElasticFigmaKongKubernetesLinearMongodbNode.jsNotionPostgresRabbitMQRedisSlackTypescript
Reposted 6 Days AgoSaved
Remote
Colorado, CO
150K-225K Annually
Senior level
150K-225K Annually
Senior level
Healthtech • Insurance
The Senior Back-End Engineer will maintain services for healthcare claims processing, develop APIs, and manage data integration while ensuring reliability and performance.
Top Skills: BigQueryDockerGoGoogle Cloud PlatformKubernetesPostgresRedisSQLTerraform
Reposted 6 Days AgoSaved
Remote
Colorado, CO
150K-225K Annually
Senior level
150K-225K Annually
Senior level
Healthtech • Insurance
As a Senior Backend Engineer, you'll develop and maintain the Dynamic Copay Engine's services, design pricing logic, and manage data integrations, focusing on backend systems for health insurance functionality.
Top Skills: BigQueryDockerGoGoogle Cloud PlatformKubernetesPostgresRedis
Reposted 6 Days AgoSaved
Remote
Colorado, CO
150K-225K Annually
Senior level
150K-225K Annually
Senior level
Healthtech • Insurance
As a Senior Back-End Engineer II, you will focus on platform engineering and DevOps, building CI/CD pipelines, managing cloud infrastructure, and supporting database operations.
Top Skills: BigQueryBigtableCi/CdDockerFirestoreGoogle Cloud PlatformKubernetesPostgresRedisTerraform
Reposted 6 Days AgoSaved
Remote
Colorado, CO
150K-225K Annually
Senior level
150K-225K Annually
Senior level
Healthtech • Insurance
As a Senior Back-End Engineer II, you'll design and build automated data pipelines, improve data quality, and support internal tooling while collaborating with engineering teams.
Top Skills: BigQueryDbtDockerGoogle Cloud PlatformKubernetesPostgresPythonSQLTerraform
Reposted 6 Days AgoSaved
Remote
Colorado, CO
180K-250K Annually
Senior level
180K-250K Annually
Senior level
Artificial Intelligence • Edtech • Software
As a Senior Backend Engineer at Edia, you will architect backend systems, supervise AI coding processes, and enhance AI-driven business automation.
Top Skills: AWSContainersManaged DatabasesNode.js
Reposted 12 Days AgoSaved
Remote
Colorado, CO
136K-204K Annually
Senior level
136K-204K Annually
Senior level
Artificial Intelligence • Cloud • Consumer Web • eCommerce • Information Technology • Software
The Senior Software Engineer will develop scalable backend applications, enhance DevOps practices, drive architectural solutions, and improve system infrastructure in a collaborative environment.
Top Skills: Ci/CdDockerGoJavaMemcachedMySQLPHPPythonRedis
Reposted 7 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Financial Services
As a Senior Backend Engineer, you'll design scalable backend systems, collaborate with teams, integrate services, and enforce best practices within a fast-paced environment focused on DeFi and blockchain technology.
Top Skills: AWSC++GoPythonTypescript
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Reposted 7 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Artificial Intelligence • Information Technology • Internet of Things • App development
As a Senior Backend Engineer, you will architect and build core systems for subscription brands, focusing on API development and system reliability, while collaborating with the Product and Design teams.
Top Skills: AWSKubernetesNest.JsPostgresRdsShopifySqs
Reposted 7 Days AgoSaved
Remote
Colorado, CO
135K-200K Annually
Senior level
135K-200K Annually
Senior level
Gaming • Information Technology • Esports
Responsible for designing and maintaining scalable backend systems, leading architectural decisions, implementing security measures, collaborating with teams, and mentoring others.
Top Skills: AppsyncAWSCognitoDynamoDBGraphQLLambdaS3SqsSstTypescript
Reposted 7 Days AgoSaved
In-Office
Colorado, CO
65K-90K Hourly
Senior level
65K-90K Hourly
Senior level
Artificial Intelligence • Food • Healthtech • Social Impact • Biotech
The Senior Back-End Engineer will develop cloud-native services, APIs, and microservices using .NET and Azure to transform healthcare through automated nutrition. Responsibilities include designing secure systems and optimizing performance for scalability.
Top Skills: .Net 10Api ManagementAzure FunctionsC#Cosmos DbEvent GridKey VaultService BusSQL
Reposted 7 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Blockchain • Fintech
Design and maintain scalable backend systems with a focus on Web3 technologies, ensuring high standards of code quality and performance. Collaborate closely with product and engineering teams, leveraging AI tools to enhance productivity.
Top Skills: AWSCassandraDockerGoGrafanaKubernetesMongoDBPostgresPrometheusPython 3Sentry
Reposted 7 Days AgoSaved
In-Office or Remote
Colorado, CO
95K-200K Annually
Senior level
95K-200K Annually
Senior level
Social Media
The Senior Backend Engineer will design and build a unified AI platform infrastructure, manage AI model integrations, ensure reliability, and support new AI feature deployments.
Top Skills: Anthropic ApisAWSNode.jsOpenaiPostgresRedisReplicateTypescript
Reposted 8 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Healthtech • Software
The Senior Backend Engineer at Weave will design, build, and maintain scalable backend services and APIs, influencing architecture and outcomes while collaborating across teams to enhance healthcare technology.
Top Skills: C#DockerGoGoGoogle Cloud PlatformGrpcJavaKafkaKubernetesProtobufsPythonRedisRestRubySQL
8 Days AgoSaved
Remote
Colorado, CO
180K-240K Annually
Senior level
180K-240K Annually
Senior level
Mobile • Social Media
The Senior Backend Engineer will lead key components of core services, enhance performance using databases, collaborate with teams, and ensure scalable software development practices.
Top Skills: ElasticsearchGoJavaScriptMongoDBNode.jsPostgresTypescript
Reposted 8 Days AgoSaved
Remote
Colorado, CO
195K-280K Annually
Senior level
195K-280K Annually
Senior level
Insurance • Software
The Senior Back End Engineer will develop and enhance critical services, manage APIs, optimize application architecture, and mentor junior engineers.
Top Skills: AWSDockerGoGraphQLGrpcKafkaKubernetesMongodbPostgresPythonSnowflakeTypescript
Reposted 8 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Artificial Intelligence • Digital Media • Information Technology • Internet of Things • Software
Seeking a Senior Backend Engineer for a payment modernization project, focusing on API integrations, payment routing logic, and payment orchestration systems under the CTO's guidance.
Top Skills: GoJavaNode.jsPythonRest Api
Reposted 8 Days AgoSaved
Remote
Colorado, CO
155K-205K Annually
Senior level
155K-205K Annually
Senior level
Artificial Intelligence • Cybersecurity
The Senior Backend Engineer develops core product features in ETL and GraphQL, designs APIs, builds ETL pipelines, and collaborates with frontend teams.
Top Skills: AWSAzureC++DockerGCPGoGraphQLJavaKubernetesNeo4JPostgresPythonScalaSQLTypescript
Reposted 9 Days AgoSaved
Remote
Colorado, CO
145K-170K Annually
Senior level
145K-170K Annually
Senior level
Artificial Intelligence • Fintech • Software • Financial Services
As a Senior Backend Engineer, you will build APIs and integrations, develop fault-tolerant systems, mentor engineers, and ensure code quality.
Top Skills: GitHerokuJavaScriptNestjsPostgresRabbitMQRedisTypeormTypescript
10 Days AgoSaved
Remote
Colorado, CO
170K-230K Annually
Senior level
170K-230K Annually
Senior level
Social Media • Software
As a Senior Backend Developer, you'll design and maintain high-volume pipelines and databases, implement ETLs for automated abuse-prevention, and develop monitoring solutions while collaborating with teams on safety systems.
Top Skills: CassandraClickhouseElasticsearchGoMySQLPostgresRedisScyllaSqlite
10 Days AgoSaved
Remote
Colorado, CO
5K-5K Annually
Senior level
5K-5K Annually
Senior level
Artificial Intelligence • HR Tech • Information Technology • Social Impact
Lead backend development for features, ensure system performance, mentor junior engineers, and drive innovation in a fintech environment.
Top Skills: AWSBitbucketGitJavaJIRAMySQLPostgresRedisSpring Boot
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