Top Engineering Jobs in Denver & Boulder, CO

As a Lead Mobile Developer, you will design and maintain iOS apps, mentor developers, optimize performance, and integrate with backend services while collaborating with cross-functional teams.

Own and harden core platform infrastructure on GCP, build and maintain CI/CD and IaC, unify logging and observability, enforce network and environment isolation, improve developer productivity and tooling, and help define platform engineering direction and culture.

The Data Center Engineer will manage physical servers and network hardware, ensuring their installation, maintenance, and troubleshooting, along with overseeing documentation and vendor coordination.

The Mechanical Engineer will design and develop flight hardware for missile defense and hypersonic vehicles, leading mechanical integration, creating structural designs, and ensuring compliance with defense standards.

As a Fullstack Engineer, you'll design, build, and operate web applications, collaborating with product teams and mentoring peers while ensuring best practices in coding and system architecture.

As a Senior Mobile Engineer, you'll lead the development of the iOS app using React Native, optimize performance, mentor junior developers, and maintain high code quality standards.

Design and implement complex, accessible front-end components and a reusable design system. Architect UI solutions, prototype interactions, mentor engineers, improve design-to-development workflows, and build performant, responsive interfaces and marketing pages for a legal AI platform.

Design, build, and run secure production infrastructure across cloud-native and air-gapped deployments. Own end-to-end platform outcomes, harden the artifact pipeline for signed releases, embed with teams to advise on security and deployment best practices, and partner with GRC on STIGs, CVE remediation, and audit readiness for classified environments.

Build, operate, and secure cloud-native and edge infrastructure including Kubernetes, artifact pipelines, application streaming, and air-gapped appliances. Partner with product, GRC, and mission owners to design, deploy, and harden systems, remediate vulnerabilities, support audits (IL5/IL6/JWICS), and ensure trusted artifact delivery across environments.

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.

As a Senior Backend Engineer at DuckDuckGo, you'll lead backend projects, mentor engineers, and develop AI-enhanced features for the company's privacy-centric product line.

Lead architecture, design, analysis, modeling, and performance verification of remote sensing RF payloads for civil, military, and national space programs. Support proposal capture, technical reviews, risk assessment, integration, testing, and mentor engineering staff while aligning payload solutions to mission CONOPs and customer infrastructure.

Design, build, and harden roadside hardware (power, connectivity, sensors). Own schematics, PCBs, housings, cabling, CAD iterations, and edge code. Ensure 99.9% reliability in harsh outdoor deployments and collaborate across hardware-software integration and manufacturing.

As a Senior Software Engineer, you will enhance core communication systems by developing features across the stack and integrating with third-party services, ensuring reliability and scalability while debugging production issues.

Perform mission systems analysis using a custom tool-suite to evaluate performance across space, air, and ground architectures. Develop modeling/analysis tools and algorithms, document results, present findings, support proposals, and work collaboratively on project milestones. Requires on-site presence and active Top Secret clearance.

Support mission operations preparation, launch, commissioning, and early operations by developing and validating operations products, rehearsing and executing tests, coordinating SMEs, supporting verification/validation, and preparing technical briefings. Work on-site full time and collaborate across engineering and business teams to ensure operational readiness.

Design, develop, integrate, and certify a company-wide digital test procedure application. Participate in requirements, architecture, implementation, CI/CD, and Agile development. Collaborate cross-functionally, communicate status to management, train staff, improve processes, and support system-level testing and certification. On-site presence required three+ days per week.

Perform mission systems analysis using custom modeling and simulation tools to evaluate complex space, air, and ground architectures. Develop tools and algorithms, document results, present findings to stakeholders, support proposals, and contribute to team milestones while maintaining on-site presence and required security clearance.

The Principal Electrical Engineer will lead system-level architecture for electrical designs, mentor engineers, drive engineering best practices, and ensure high-quality product delivery from concept to production.

Lead development of AI-assisted reliability tooling, own incident response end-to-end, improve observability and SLO/SLI frameworks, scale single-tenant SaaS operations, mentor engineers, and reduce recurring operational toil through engineering and automation.

Design and re-architect the Identity systems at Dropbox to support multi-product capabilities, mentor junior engineers, and ensure software excellence.

The role involves defining reliability strategies, leading initiatives across teams, enhancing monitoring and incident response, and mentoring engineers at Dropbox.

As a Senior Software Engineer on the Data Platform team, you'll enhance the data infrastructure, develop ETL pipelines, maintain data quality, collaborate across teams, and mentor junior engineers.

Support materials selection, failure analysis, testing, and manufacturing process development for aerospace metals. Author materials specs, qualify suppliers and processes, develop additively manufactured material allowables, and build internal materials lab capabilities.

As an Application Developer III, you will architect ticketing applications, manage complex data environments, optimize workflows, and ensure seamless customer service operations.