Top Engineering Jobs in Denver & Boulder, CO

Leads software systems engineering for SATCOM mission planning supporting military NC3 networks. Responsibilities include requirements, architecture, API and backend development, user interface implementation, integration, testing, deployment, code reviews, security, performance improvements, mentoring, and Agile DevSecOps delivery. The role requires onsite work in Colorado Springs, active U.S. Secret clearance, U.S. Person status, and up to 10% travel.

Develops, integrates, tests, maintains, and supports Java-based software systems and mathematical algorithms for Boeing’s C2BMC missile defense applications. Responsibilities include software architecture, requirements decomposition, interface development, design documentation, coding, debugging, performance optimization, agile execution, integration and testing, operational support, and technical issue resolution. The role collaborates with systems engineering, integration and test teams, and industry partners while supporting full software lifecycle activities for ballistic missile defense systems.

Develop and maintain scalable SaaS solutions for financial reporting and capital markets customers. Responsibilities include full-stack development, system design, testing, monitoring, performance optimization, security, technical debt reduction, and collaboration with product managers, developers, and SRE teams. The role requires building reliable, secure, maintainable data-driven applications and contributing across the software development lifecycle.

Leads cross-functional mechanical subsystem projects from concept through hardware delivery, managing cost, schedule, technical requirements, risks, and team accountability. The role supports spacecraft structures, payload structures, mechanisms, antennas, or mechanical ground support equipment. Responsibilities include developing estimates and schedules, monitoring performance, guiding technical decisions, coordinating stakeholders, and maintaining productive working relationships across the organization.

Leads cross-functional mechanical engineering teams through spacecraft and payload subsystem projects from concept through hardware delivery. Manages cost estimates, schedules, technical requirements, risks, opportunities, and team accountability. The role requires system-level thinking, leadership, communication, and decision-making across project lifecycles. Preferred experience includes subcontract management, EVMS, multiple subsystem types, and transitioning programs from prototype to full-rate production.

Leads cross-functional mechanical engineering projects from concept through hardware delivery for spacecraft and payload subsystems. Manages cost estimates, schedules, technical requirements, risks, opportunities, team accountability, and project milestones. Requires strong system-level thinking, communication, decision-making, and leadership skills, along with engineering experience in aerospace or related technical work. The role is fully on-site and requires an active Top Secret/SCI clearance with the ability to obtain and maintain a polygraph clearance.

Leads cross-functional engineering teams through spacecraft and aerospace subsystem projects from concept through hardware delivery. Manages cost estimates, schedules, technical requirements, risks, opportunities, and team accountability. Requires strong system-level thinking, communication, decision-making, and leadership skills. Preferred experience includes subcontract management, EVMS, multiple subsystem types, and transitioning programs from prototype to full-rate production.

Leads cross-functional mechanical engineering teams through spacecraft and payload subsystem projects from concept through hardware delivery. Manages cost estimates, schedules, technical requirements, risks, opportunities, and team accountability. Coordinates requirements across projects and supports prototype-to-production ramps, subcontractor management, and EVMS activities. The role is performed on-site and requires an active Top Secret/SCI clearance with the ability to obtain and maintain a polygraph-enabled clearance.

Maintain Cloudflare’s global data center and network infrastructure across remote colocation facilities. Responsibilities include coordinating contractors and vendors, configuring network equipment, maintaining operational availability, creating SOPs and documentation, improving processes through automation, supporting infrastructure deployments and migrations, and participating in 24/7 on-call coverage. The role also involves basic program management, troubleshooting, root-cause analysis, and collaboration with infrastructure, network engineering, and SRE teams.

Own and expand Gusto’s third-party integrations, building reliable Ruby on Rails and Sidekiq backend services that synchronize data with partner platforms. Evaluate traditional APIs and AI agent protocols such as MCP, shape the technical roadmap, collaborate with Product, Design, and Data Science, establish engineering practices, review code, and mentor engineers. The role requires end-to-end project ownership in an ambiguous, evolving domain.

Lead architecture and engineering for a new Provider Onboarding team. Build scalable, database-backed systems and custom tools supporting pricing, payments, client panels, and forms. Establish engineering practices, mentor senior engineers, guide cross-functional delivery, and oversee the full software development lifecycle from planning through post-launch maintenance. The role requires healthcare systems experience and ownership of complex, reliable products.

Lead architecture and development for a new Provider Onboarding engineering domain. Build scalable full-stack, database-backed applications and microservices supporting pricing, payments, client panels, forms, and provider workflows. Mentor engineers, establish design patterns, drive cross-functional delivery across the full software lifecycle, and improve operational reliability for a healthcare platform.

Lead the technical direction of Samsara’s shared geospatial platform. Build scalable data ingestion and processing pipelines, map data models, spatial APIs, map-matching and routing foundations, and reusable platform capabilities. Scale storage, querying, and computation for real-time features, consolidate team-specific solutions, mentor engineers, lead cross-team technical projects, and represent the company in the geospatial community.

Build and launch scalable fullstack web applications and APIs for Affirm’s Ads Platform. Collaborate with product, design, analytics, and engineering partners to break projects into deliverable phases, make technical trade-offs, write tested and extensible code, monitor service metrics, support on-call operations, review code, and participate in team development and interviews.

Build and ship full-stack web and mobile experiences across Affirm’s consumer products. Break down projects, collaborate with product, design, and analytics teams, develop scalable APIs, write well-tested code, monitor service health, participate in on-call support, review code, and contribute to engineering growth and interviewing.

Develop and promote product quality across multiple engineering teams through exploratory, risk-based, automated, API, and integration testing. Build reliable test coverage, investigate complex application and CI failures, improve testability and feedback loops, identify systemic quality issues, and influence product and technical decisions. The role also supports quality strategy, reusable test infrastructure, developer tooling, and engineering productivity.

The Senior Quality Engineer partners with product, design, and engineering teams to identify risks, shape testing strategies, and improve product quality. Responsibilities include exploratory and risk-based testing, automated coverage for web applications, APIs, and integrations, complex technical debugging, CI/CD test execution, and quality enablement. The role also drives systemic quality improvements, strengthens engineering practices, and supports scalable test infrastructure and developer tooling.

Lead fraud decisioning engineering initiatives by architecting, building, launching, and maintaining complex backend systems. Drive cross-functional projects from definition through monitoring, write high-quality and resilient code, review technical work, mentor engineers, collaborate with Product, ML, Analytics, and Business teams, and contribute to hiring and interview design.

Develops automated validation and test solutions for enterprise SSD firmware, including functional, performance, stress, interoperability, and negative testing. Investigates regressions and field failures through root-cause analysis, enhances CI-based regression and reporting systems, and collaborates with firmware, hardware, and systems engineering teams. Applies Python, machine learning concepts, and AI-assisted development tools to improve testing, debugging, data analysis, and engineering productivity.

Leads systems engineering execution for satellite command-and-control ground systems supporting national defense missions. Owns requirements, verification and validation, system architecture, space-to-ground interfaces, integration, testing, operational readiness, risk mitigation, and sustainment. Coordinates cross-functional teams, mission operations, government stakeholders, and technical review boards while applying MBSE and requirements management processes. The role requires extensive lifecycle leadership of classified aerospace ground systems and eligibility for DoD TS/SCI or TS/SAP clearance.

Supports senior engineers with the analysis, design, and evaluation of mechanical systems, components, propulsion, structures, and environmental systems. Collects and analyzes data, resolves routine technical problems, prepares technical documentation, and communicates findings. Collaborates with cross-functional teams to meet project goals and deadlines. Requires a related bachelor’s degree or equivalent experience and 0–2 years of experience.

Develop backend tools and systems that improve batch development, testing, workflow efficiency, and reliability. Collaborate with product, infrastructure, design, and analytics teams; break projects into deliverable phases; build scalable, well-tested code; monitor metrics; support system availability and on-call operations; debug code; conduct reviews; and contribute to engineering growth and hiring activities.

Designs, develops, integrates, tests, and sustains satellite ground and mission control systems throughout the program lifecycle. Leads requirements definition, system interfaces, integration plans, verification activities, customer collaboration, proposal support, and on-orbit operations. The role supports mission control hardware and software at factory and customer sites, including government-furnished infrastructure and cloud-based applications.

Develops complex ASICs through physical design, synthesis, timing analysis, timing closure, formal verification, floorplanning, ECO implementation, and signoff. The role analyzes critical paths, maintains timing constraints, improves implementation flows, and collaborates with design, architecture, DFT, and signal integrity teams. It also includes methodology development, standards compliance, technical guidance, and mentoring of engineers.

Provides software quality assurance and process oversight for aerospace and defense software and firmware throughout the development lifecycle. Responsibilities include reviewing requirements and documentation, maintaining assurance plans, verifying process compliance, auditing releases and subcontractors, monitoring pipelines, supporting testing reviews, managing risks, and advising engineering teams. The role requires collaboration with engineering, program management, customers, and suppliers, along with travel to subcontractor and customer sites.