Top Senior Engineer Jobs in Denver & Boulder, CO

Develop and maintain software applications on the ServiceNow platform, perform integrations, troubleshoot issues, and communicate with clients.

The Senior Software Engineer will lead projects for the Forms platform, designing and building features across web, mobile, and backend systems while mentoring other engineers and improving platform scalability and reliability.

Lead architectural technical expert for facilities engineering: plan, design, and oversee construction and maintenance of building systems; manage consultants; perform code/ADA analyses; develop architectural standards; support construction phase activities and facility improvements across multiple campuses.

Lead mechanical engineering for facilities projects: design HVAC, hydronic, plumbing, controls and DDC systems; manage consultants and contractors; develop standards and strategies; review designs for code compliance; mentor staff; support maintenance and commissioning; ensure safety and regulatory adherence.

Lead electrical system design for space payload electronics including power conversion, focal plane interfaces, FPGA controllers, PCB layout, analog/digital circuitry, and system-level modeling. Provide technical leadership, perform trade studies, resolve hardware anomalies, ensure compatibility and reliability for NASA/DoD customers, and support design through production, integration, and test.

Design and develop system- and board-level digital and analog electronics for tactical RF, Lidar, and antenna products. Perform modeling, simulation, power and reliability analyses, prototype testing, and support environmental/qualification testing. Interface with systems, layout, and test teams, and contribute to R&D and program development for defense systems.

Lead electrical hardware design, integration, test, and verification for high-reliability space electronics. Manage requirements flow-down to PWAs, FPGAs, and software; develop test plans and STE; perform anomaly root-cause analysis; select EEE parts; mentor junior engineers; support program schedules and risk mitigation.

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.

Lead the development of an AI-powered platform for senior mental health, building systems for patient experience, and mentoring the engineering team.

Lead mission design through modeling, simulation, and analysis to define mission parameters, derive requirements, and validate system and constellation performance. Oversee medium teams, develop and maintain mission-level models and tools, present results to stakeholders, and collaborate with subject-matter experts to guide spacecraft sizing, payload selection, and system-of-systems trade studies.

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.

Lead operational analyses, modeling, simulation, and wargaming to evaluate autonomous aircraft effectiveness, survivability, and mission impact. Build and run mission-level models (AFSIM, STK, MATLAB, Python), perform trade and sensitivity studies, collaborate with engineering/product and DoD stakeholders, develop CONOPS, document findings, and coach junior analysts.

The Senior Backend Engineer will develop the Payroll product, overseeing the entire development cycle from design to deployment, in a microservices architecture.

Lead integration, validation, and fielding of advanced weapon capabilities on X-Bat across the full lifecycle. Define system behaviors and architectures, coordinate cross-functional integration, support lab/ground/flight tests, perform troubleshooting and root-cause analysis to reduce integration risk and accelerate capability delivery.

Lead design and development of advanced electrical systems for autonomous aircraft, including circuit and subsystem design, part selection, schematic capture, simulation, verification, debugging, and production releases. Integrate embedded systems and sensors for autonomy, coordinate cross-functional teams, mentor engineers, define technical requirements, and develop automated test solutions to improve hardware reliability and production readiness.

Lead design and development of primary and secondary structural components for next-generation UAVs, owning the full lifecycle from concept to production. Perform and guide linear/nonlinear FEA, stress and fatigue analysis, material selection (composites, aluminum), and structural validation testing. Collaborate with cross-functional teams for integration, manufacturability, and certification, mentor junior engineers, and improve design and configuration management processes.

Lead survivability engineering for autonomous aircraft: design and optimize low-observable features, perform EM signature modeling and RCS testing, partner with multidisciplinary teams and materials scientists, translate threats into survivability requirements, and support assessments and milestone decisions throughout the program lifecycle.

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.

The Senior Embedded Security Engineer will enhance the security of the flight software for space vehicles, ensuring high standards for safety and secure coding practices throughout the development lifecycle.

Design, build, and maintain cloud infrastructure software (primarily in Go) to manage VMs across global data centers. Collaborate on product requirements, participate in code reviews, optimize performance and reliability, contribute to architecture decisions, and stay current with industry trends.

As the founding engineer of the Data Intelligence team, you will design semantic layers, develop AI tooling, and automate data processes to drive business insights.

The Senior Solutions Engineer partners with sales to design solutions, deliver presentations, conduct demos, and support enterprise customer initiatives while focusing on Cloudflare’s product benefits.

The Senior Data Engineer will design and implement scalable data models in BigQuery using dbt for analytics and reporting, ensuring data governance and optimal performance.

Senior fullstack engineer to build and scale Brigit's consumer finance platform. Own end-to-end features across frontend (React/React Native/TypeScript) and backend (Java/REST/SQL), optimize database and APIs for high scale, integrate 3rd-party services, implement risk and transaction algorithms, improve CI/CD, testing, monitoring, and internal tooling to support millions of users.

Design, build, and maintain scalable backend services and APIs for commerce workflows using Python/Django. Improve reliability, performance, and observability, operate AWS deployments, work with PostgreSQL and event-driven architectures (SNS/SQS), modernize legacy systems, and support CI/CD, testing, and production troubleshooting.