Top Senior Engineer Jobs in Denver & Boulder, CO

As a Security Engineer, assess and implement security measures for software supply chains, guide engineers on security risks, and manage security initiatives.

As an Engineer III, you will create tools for automated workflows and support production deployments, focusing on security and performance in a remote team.

Operate and integrate observability systems (logging, metrics, tracing) using OpenSearch, VictoriaMetrics, Kafka, and ClickHouse. Build features to improve operability, develop next-gen metrics/logging, guide engineers in using the platforms, operate Kubernetes clusters, write Go software, use Terraform/Ansible and CI/CD, participate in 24/7 on-call rotation, and support internal users across a distributed team.

Lead and develop innovative FPGA designs and digital systems for space applications, overseeing complex SoC projects and providing technical direction.

The Principal Senior Engineer will design cutting-edge electronic systems, focusing on FPGA development and digital integration, with a strong emphasis on innovation and collaboration.

The Senior Engineer will lead testing of space flight hardware, manage spacecraft acceptance testing, and support integration activities in a lab environment.

Engineer and lead complex AWS contact center (Amazon Connect) implementations, owning end-to-end solution design, IVR and routing, API integrations, reusable code libraries, testing strategies, and migration efforts. Act as subject matter expert across pre- and post-sales, collaborate with clients and IT architecture teams, and provide technical leadership, optimization, and team management for CCaaS projects.

Lead a software development team to design, build, and deliver innovative applications. Manage project planning, budgets, timelines, quality, and stakeholder relationships. Mentor and develop staff, champion new technologies, ensure secure integrations, and uphold firm technical and professional standards.

As a Senior Engineer II, you will develop gRPC APIs, full stack applications, improve AI performance, and contribute to operational excellence while mentoring junior members.

As a Senior Developer Advocate, you will produce technical content, educate the developer community, engage at events, and foster discussions in JavaScript and TypeScript.

Design and scale core backend APIs and platform primitives for MCP, enabling AI agents to act across Zapier integrations. Build high-availability orchestration, logging, and interfaces between LLM clients and Zapier while partnering with product, design, and cross-functional teams to prioritize performance, security, and developer clarity.

The Senior Engineer will design, develop, and test software applications for radar systems, focusing on simulation-based solutions and performance optimization while collaborating with cross-functional teams.

The role involves developing distributed scheduling and optimization services, enhancing system performance through automation, and ensuring reliability of cloud products.

The role involves enhancing product security by identifying and fixing vulnerabilities in endpoint applications, collaborating with product teams, and improving security practices through threat modeling and testing.

The Senior Software Engineer will provide architectural solutions, develop UI code, maintain systems, and collaborate in an agile environment, focusing on both front and back-end solutions.

Design, develop, integrate, and certify test system software using Python and Ruby, while collaborating with technical teams on various applications and improving processes.

The role involves integrating software systems, supporting various software developments, and performing full software life cycle functions while maintaining effective working relationships in a collaborative environment.

The role involves integrating software systems, validating designs, supporting software development, performing full software life cycle functions, and maintaining effective relationships within teams.

The Senior Engineer will integrate software systems, validate designs, and perform software life cycle functions in embedded and test development.

The Senior Engineer, Propulsion Systems at Ursa Major will lead propulsion system design, integration, and testing for hypersonic vehicles, requiring strong technical skills and collaboration across engineering disciplines.

Lead the re-architecture of a streaming middleware platform from Ruby on Rails to Golang, focusing on API development, performance, and scalability. Mentor engineers and collaborate with cross-functional teams to deliver high-quality, production-ready solutions.

As a Senior Engineer II, you'll develop and optimize DigitalOcean's managed Kubernetes solution (DOKS), lead projects, enhance operational excellence, and collaborate with teams globally.

The Senior Engineer will lead and support spacecraft electrical power systems development, oversee components, and contribute to innovative power system architectures for various missions.

The Senior Quality Engineer will lead quality initiatives, drive test automation, and ensure high standards throughout the engineering process, collaborating with cross-functional teams and implementing best practices.

As a Senior Quality Platform Engineer, you will develop and maintain quality infrastructure, improve developer experience, and implement quality engineering practices to ensure scalable, efficient testing workflows.