292 sr software engineer jobs at 95 companies in Windsor, CO
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
ALTENEuronext Paris: ATE: Provides engineering and technology consulting services to industrial clients.
6+ YOEBS in Computer Science or Electrical Engineering, 6+ years engineering experience; strong C and embedded programming, RTOS and microcontroller expertise, software design/debugging, GitHub, with serial/CAN/Modbus familiarity a plus.
C, RTOS, Real Time Operating Systems, GitHub, serial, CAN, Modbus, RLL, National Electrical Code (NEC), UL508A
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
3+ YOE3+ years coding experience in Java, C#, or C++; Agile experience; Secret security clearance required; BS degree typically required; experience with containerization and CI/CD preferred.
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
4+ YOEBachelor's degree with 4+ years (or advanced degree with 2+ years), experience in test system development, manual and automated testing integrated into CI/CD, embedded software testing, and strong problem-solving and communication skills.
C, C#, Python, Jira, Polarion, Gitlab, Matlab, Minitab, Microsoft Excel
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$108k-$149k/yrHybridFull Time
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
6+ YOEBachelor's degree in CS/Software Engineering or related,6+ years software development experience,proficiency in C++,Java,Python,experience with RTOS/embedded systems preferred,excellent communication and critical thinking.
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOE5+ years software engineering experience, Bachelor's in math/physics/engineering (advanced degree preferred), proficiency with Rust/C/C++/Python/Matlab, strong algorithms and estimation skills, eligible for U.S. Secret clearance.
Vantor: Providing AI-powered spatial intelligence and high-resolution Earth observation.
5+ YOEU.S. Person required, 5+ years building complex software, expertise with Python/Django, Linux, REST/JSON/YAML, test automation, CS/Engineering degree or equivalent.
SciTec: Provides advanced remote sensing and missile defense technology solutions.
2+ YOEBachelor’s in physical sciences/math/engineering/CS; 2+ years C++, Linux; Agile; data structures; optimization; detail-oriented; strong communication; able to work in Boulder; DoD clearance.
Recurly: Automates subscription billing and management for recurring revenue businesses.
10+ YOE10+ years full‑stack software engineering experience; deep Ruby on Rails and Vue.js expertise; API and MySQL proficiency; proven technical leadership and mentoring; experience with AI-assisted development tools.
Ruby on Rails, ActiveRecord, Vue.js, MySQL, GitHub Copilot, Cursor, Claude Code, Go (Golang), Node.js, Anthropic, OpenAI, AWS, OpenSearch, Redis, Kafka, Docker, CI/CD
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOE5+ years related experience, active TS/SCI clearance, strong Python proficiency, experience with test automation and hardware integration, software development best practices, and ability to work independently and with cross-functional teams.
Atom Computing: Building scalable quantum computers using arrays of neutral atoms.
5+ YOEBachelor's degree in CS/CE or related, 5+ years software engineering experience, proficiency with Python and SQL, Linux and Git experience, familiarity with automated testing and CI/CD practices, willingness to learn atomic/quantum concepts.
15+ YOE8+ MgmtBachelor's in CS/Engineering or equivalent, 15+ years software engineering experience, 8+ years leading teams, EMR not mentioned, strong AI/ML and classifier experience, excellent communication and leadership.
Arvada or Los Angeles or San Francisco or Seattle or Washington
HybridFull Time
Quindar: Cloud-native software for automated satellite mission operations.
8+ YOE3+ MgmtLead complex software and systems engineering in aerospace/defense; architecture focus; leadership; government programs; security clearance readiness.
Sovrn: Provides software and data tools for digital publishers to monetize.
10+ YOE10+ years software engineering; 5+ years adtech infrastructure; backend focus; experience with AI tooling; distributed systems; OpenRTB knowledge.
6+ YOEBS in Engineering +6 years experience, active Top Secret/SCI clearance required, experience with embedded satellite software, C/C++, Rust, Python, cloud (AWS), Docker/Kubernetes, and formal software development practices.
EmersonNYSE: EMR: Engineering industrial automation and software solutions for global industries.
5+ YOEBS in engineering or related field, 5+ years embedded real-time software development experience with Linux-based systems, proficiency in C/C++, bash and Python, Git, familiarity with hardware interfaces and security standards, autonomous design skills, and legal US work authorization.
Mark VII Equipment: Manufacturer of automated vehicle wash systems and equipment.
6+ YOE6+ years of engineering experience; strong C programming; RTOS experience; embedded hardware knowledge; NEC/UL508A familiarity a plus; German language a bonus.
C programming, Real Time Operating Systems, Embedded systems, Microcontroller hardware, Industrial communication protocols, Git