4 senior backend developer jobs at 3 companies in Timnath, CO
1mo
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Software Development Engineer - Developer Platform
Boulder, Colorado, United States
$130k-$196k/yr HybridFull Time
5+ YOE5+ years software engineering; 5+ years JVM backend (Java or Kotlin) with Spring Boot; 5+ years TypeScript/JavaScript and React; 3+ years cloud-native (GCP or AWS); Bachelor\u0002s or equivalent experience; EM/agentic system familiarity.
JVM, Java, Kotlin, Spring Boot, TypeScript, JavaScript, React, GCP, AWS, OpenAI-compatible APIs, OpenAI-compatible endpoints, Model Context Protocol (MCP), Cursor, Claude Code, Windsurf, Cline, SSE, WebSockets, Jest, React Testing Library, JUnit, Cypress, LangChain, Kubernetes, Helm, HTML, CSS
3mo
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Principal Software Engineer
Boulder or New York City
$200k-$240k/yr HybridFull Time
10+ YOE10+ years software engineering; 5+ years adtech infrastructure; backend focus; experience with AI tooling; distributed systems; OpenRTB knowledge.
Java, Kafka, Redpanda, AWS, Databricks, Datadog, ONYX
1mo
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Software Development Engineer, AI Platform
Boulder, Colorado, United States
$130k-$196k/yr HybridFull Time
5+ YOE5+ years backend engineering experience; Kubernetes and CRD experience; knowledge of network rules/istio/iptables; familiarity with agent sandboxes (LangChain, AWS AgentCore, Google ADK); distributed systems, security fundamentals, testing, monitoring, and strong communication.
Kubernetes, Custom Resource Definitions (CRDs), Istio, iptables, LangChain, AWS AgentCore, Google ADK
1w
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Software Engineering Technical Leader
Boulder, Colorado, United States
$175k-$253k/yr RemoteFull Time
Proven software engineering experience building and operating production systems, experience with backend/distributed systems, AI-enabled systems or LLMs, and strong communication and collaboration skills.