Top Engineering Jobs in Denver & Boulder, CO

Provide day/swing-shift production support for Thin Film manufacturing processes (saw dicing, heat treating, probing, cleaning, inspection). Troubleshoot equipment, support maintenance, run engineering tests, drive process improvements, maintain documentation, ensure safety and regulatory compliance, and train/certify production operators.

Build and own end-to-end frontend experiences for Coinbase card products across web and mobile. Ship high-scale consumer features, improve payment flow performance and SLOs, reduce latency and CX contacts, mentor engineers, and collaborate with product, design, and backend teams to deliver reliable, user-focused card functionality.

Lead architecture, build, test, and scale Gusto's iOS app and mobile infrastructure. Improve build pipelines, automated testing, release processes, and foundational services (push, accessibility, localization). Collaborate across product, design, security, and infrastructure teams; prototype, iterate, and launch customer-focused features while mentoring engineers.

Develop fullstack web applications, enhance platform performance, collaborate on high-impact opportunities, and ensure stable, scalable solutions. Engage in rapid iterations and be a committed team player.

As a Senior Fullstack Engineer, you'll contribute to backend development for Toast's New Ventures team, collaborating on architecture and launching MVPs while addressing unmet operator needs.

Design, develop, integrate, and maintain ERP financial applications using Oracle and PL/SQL. Optimize performance, resolve defects and integration issues, apply security and compliance standards, participate in Agile/Scrum, lead code reviews, estimate work, and mentor junior developers to support finance operations and revenue objectives.

Lead architecture and hands-on implementation of a full-stack platform and production AI systems (LLM integration, RAG, agentic workflows). Ship user-facing features across frontend, backend, data pipelines, infrastructure, testing, and monitoring. Set technical direction, tooling, and engineering practices while partnering with product and program teams.

Support spacecraft constellation health, safety, performance optimization, anomaly resolution, and early operations. Contribute to design, integration, testing, requirements definition, and operational tool development for current and future spacecraft.

Design, build, and modernize ticketing and provisioning systems to optimize routing, automated user provisioning, and case management. Develop high-performance data extraction workflows across relational and non-relational stores, maintain APIs and CI/CD pipelines, produce technical documentation, and identify AI-driven automation opportunities to improve system reliability and operational efficiency.

Drive QA excellence through manual and automated feature and regression testing, develop and maintain Salesforce-specific test plans and regression suites, perform API testing, collaborate with developers, and improve testing frameworks to ensure stable customer-facing releases.

Lead architecture, design, and delivery of PET product features; write production full‑stack code; champion testing, observability, CI/CD and operational readiness; mentor engineers and collaborate with product to shape technical roadmap.

The role involves leading the Code Gen team to modernize legacy applications using AI-powered tools, ensuring system scalability and efficiency through collaboration and strategic technical decisions.

Provide advanced technical support for large MongoDB customers across the full MongoDB ecosystem (server, drivers, Atlas, Cloud Manager). Troubleshoot performance, architecture, recovery, security and storage issues end-to-end, develop support tools, mentor new hires, and liaise with product and engineering teams. Work EST shifts with a weekend shift expectation after ramp and participate in occasional off-hours coverage or regional events.

As a Senior Site Reliability Engineer, you'll design and build complex systems, support Atlas platform operations, automate processes, and ensure high availability of services.

Lead enterprise cloud architecture, governance, security, and operations. Define multi-year cloud roadmap, policies (DR, data lifecycle, compliance), zero-trust and identity strategy, evaluate cloud technologies, approve architecture, and develop cloud financial and cost governance models.

Lead design and implementation of test automation and performance engineering for Streaming/OTT, STB, mobile, web, and backend API services. Build automation frameworks, create load/test strategies, analyze server-side performance with monitoring tools, manage CI/CD pipelines and environments, and mentor team members on automation, performance goals, and technical reviews.

Lead development of enterprise Amazon Connect contact flows, serverless Java/Python backend microservices, and React-based agent workspaces. Integrate third-party APIs, implement RESTful APIs and AWS services, deploy LLM-based agent assistance via Bedrock and RAG, and drive observability and CI for the contact center platform.

Lead NVMe front-end firmware verification for enterprise SSDs: define verification strategy, build scalable Python-based test automation, perform root-cause failure analysis, drive CI/CD and test infrastructure, apply AI/ML for test optimization, mentor engineers, and collaborate with firmware architects to improve testability and quality.

Lead development and integration of Salesforce-centered GTM systems: build Apex/LWC solutions, design event-driven integrations, optimize data flows to Snowflake, manage CI/CD with Gearset/Git, write SQL for reporting and data quality, troubleshoot production, and mentor developers while advancing AI-enabled, composable CRM automation.

Provide systems engineering and enterprise architecture support to US government customers: capture requirements, system design, and test approaches; assess As-Is vs To-Be architectures and recommend transitions; develop repeatable architecture and engineering processes; produce enterprise architecture artifacts; support engineering review boards and Agile/Dev/Test/Operational environments.

Build full-stack web applications and containerized microservices for defense and intelligence customers. Develop front-end and back-end services using APIs or message buses, employ observability tools, follow Agile and CI/CD practices, and collaborate on distributed teams. Must hold active TS/SCI clearance and work on-site.

Design, develop, and maintain full‑stack web applications and containerized microservices for defense and intelligence customers. Build front-end and back-end services, integrate APIs/message buses, use CI/CD, monitoring, and collaborate on distributed Agile teams to deliver mission-focused software.

Perform manual and automated testing (front-end, back-end, end-to-end) in low- and high-side environments, produce formal test documentation and reports, collaborate with engineers, and help select/implement testing tools and technologies.

Provide systems engineering and enterprise architecture support to USG customers: capture architecture and system requirements, design "To Be" states and transition plans, develop repeatable processes, produce enterprise architecture artifacts, support engineering review boards, and improve customers' engineering workflows and tools.

Support and enhance automated monitoring, metrics collection, and dashboards for mission systems. Develop Bash automation, maintain job orchestration and ELK data pipelines, build Kibana visualizations, assist with Elasticsearch ingestion and indexing, perform log analysis and troubleshooting, and collaborate with stakeholders on observability and automation improvements.