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Top Senior Backend Engineer Jobs in Denver & Boulder, CO

2 Days AgoSaved
Easy Apply
In-Office or Remote
Colorado, CO
Easy Apply
Senior level
Senior level
Healthtech • Software • Telehealth
Nourish seeks a Senior Backend Engineer to design, build, and maintain backend services, collaborate with teams, and enhance engineering processes. Responsibilities include product development, codebase management, and driving improvements for scalability.
Top Skills: AWSNode.jsPostgresPrismaTypescript
Reposted 2 Days AgoSaved
In-Office
Colorado, CO
125K-155K Annually
Senior level
125K-155K Annually
Senior level
Digital Media • Gaming • Software • Esports • Automation
The Senior Back-End Engineer will develop and maintain the US Sports platform, mentor junior engineers, and collaborate with stakeholders to enhance a high-throughput betting system.
Top Skills: .NetC#GCPGoKubernetesMicroservicesMssqlReactRustTypescriptWpf
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
The engineer will design, implement, and enhance core systems for cybersecurity. Responsibilities include collaboration with stakeholders, managing service efficiency, scalability, and writing automation to reduce operational tasks.
Top Skills: AWSAzureC++DockerGCPGoJavaKafkaKinesisKubernetesPython
Reposted 10 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
14 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 14 Days AgoSaved
Easy Apply
In-Office or 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 15 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 15 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 12 Hours 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
21 Days AgoSaved
Hybrid
Colorado, CO
135K-150K Annually
Senior level
135K-150K Annually
Senior level
Food • Healthtech • Information Technology • Other
Develop and maintain software applications, collaborate in agile teams, mentor junior engineers, and enhance digital experiences using modern technologies.
Top Skills: C#,.Net Core,Azure Functions,Webapi,Entity Framework,Azure Sql,Cosmosdb,Docker
Reposted 4 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 22 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
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YesterdaySaved
Remote
Colorado, CO
Senior level
Senior level
Artificial Intelligence • Productivity • Software • Automation
Join Zapier's AI Tasks team to design and build features for AI-based workflows, work with cross-functional teams, and own projects from concept to deployment.
Top Skills: Python,Django,Typescript,Node.Js,React,Next.Js,Aws,Postgresql,Mysql,Restful Apis
YesterdaySaved
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 role involves building scalable backend systems, mentoring junior developers, collaborating on REST APIs, and solving complex engineering problems.
Top Skills: DockerDynamoDBGoMongoDBPostgresRuby on RailsRuby
Reposted 2 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Artificial Intelligence • Productivity • Software • Automation
Zapier is seeking a Senior Software Engineer to develop backend and full stack solutions for their Enterprise customers, focusing on automation, AI, and improving system performance. Responsibilities include leading critical incident responses, architecting scalable APIs, and implementing features to enhance user management and observability across their platform.
Top Skills: Ai ToolingDatadogFastifyGrafanaGraylogKafkaNode.jsPythonReactSqsTypescript
2 Days AgoSaved
Remote
Colorado, CO
160K-180K Annually
Senior level
160K-180K Annually
Senior level
Computer Vision • Digital Media • Kids + Family • Mobile • Software • Sports
As a Senior Backend Software Engineer, you'll enhance the Subscriptions system, focusing on feature development, code quality, system reliability, and collaborating with cross-functional teams.
Top Skills: AWSNode.jsPostgresRedisTypescript
Reposted 4 Days AgoSaved
In-Office or Remote
Colorado, CO
Mid level
Mid level
Food • Logistics • On-Demand • Retail • Software
As a Senior Backend Engineer, you will design, build, and maintain scalable backend systems and APIs, optimize performance, and ensure system reliability.
Top Skills: AWSPostgresPythonRestful Apis
Reposted 2 Days AgoSaved
Remote
Colorado, CO
180K-220K Annually
Senior level
180K-220K Annually
Senior level
Artificial Intelligence • Marketing Tech • Software • Generative AI • Automation
As a Senior Software Engineer, you'll design and deploy AI features, work with large language models, optimize performance, and collaborate across teams.
Top Skills: NestjsNode JsPythonTypescript
Reposted 2 Days 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 own quarterly goals, lead the team through challenges, collaborate on product development, and ensure code quality, while also fostering team growth.
Top Skills: Python,Kotlin,Aws,Mysql,Kubernetes,React,Vue
Reposted 3 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Artificial Intelligence • Productivity • Software • Automation
As a Senior Backend Engineer, design and build APIs, improve the Powered by Zapier platform for partnerships, and lead technical initiatives.
Top Skills: DjangoDjango Rest FrameworkJwtOauthPython
Reposted 3 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Artificial Intelligence • Productivity • Software • Automation
As a Sr. Software Engineer at Zapier, you'll build and scale robust backend systems for their automation platform, collaborating on various impactful projects, improving user workflows, and ensuring smooth execution of automations.
Top Skills: Ai ToolingDjangoMySQLNext.JsNode.jsPostgresPythonReactRestful ApisTypescript
Reposted 3 Days AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Artificial Intelligence • Productivity • Software • Automation
As a Senior Backend Engineer at Zapier, you'll design and implement scalable APIs, collaborate on architecture, and integrate AI tools to enhance automation.
Top Skills: Node.jsPython
Reposted 3 Days 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 lead the Loans Platform team, develop backend systems, and ensure quality and collaboration across product management and engineering.
Top Skills: AWSKotlinKubernetesMySQLPython
Reposted 3 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
169K-240K Annually
Mid level
169K-240K Annually
Mid level
Big Data • Fintech • Mobile • Payments • Financial Services
As a Senior Software Engineer, you'll lead the development of secure, high-availability backend systems, support your team in delivery, and drive process improvements.
Top Skills: AWSKotlinKubernetesMySQLPython
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
You will design scalable backend systems, build growth experiments, and collaborate with teams to enhance user experiences while maintaining high-quality code.
Top Skills: DockerDynamoDBGoMongoDBPostgresRuby on RailsRuby
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