506 c software engineer jobs at 139 companies in Frederick, CO

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
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).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1d
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Senior Software Engineer, C++
Broomfield or Fort Collins
$190k-$252k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
8+ YOE8+ years experience with C/C++, big data/NoSQL, software design, machine learning, applied mathematics, and engineering; BS or equivalent; eligible for U.S. Top Secret/SCI clearance.
C, C++, NoSQL, Lattice OS
3mo
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Staff / Sr Staff C++ Software Engineer
Boulder, Colorado, United States
$96k-$140k/yr OnsiteFull Time
SciTec
SciTec: Provides advanced remote sensing and missile defense technology solutions.
5+ YOEBS in physical sciences, mathematics, engineering, or CS; 5+ years; C++; Linux; data structures; high-throughput optimization; good communication; in-person Boulder work; DoD clearance.
C++, Linux, GPU programming, Agile software development
3w
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Senior C++ Software Engineer (m/f/d)
Munich or Denver
HybridFull Time
EGYM
EGYM: Manufacturer of smart fitness equipment and corporate wellness software.
7+ YOE7+ years modern C++ experience; UI (Qt/QML) and backend (Golang) skills preferred; experience with Docker, CMake/Conan, CI/CD, Agentic AI; strong software design, testing, and collaboration skills.
C++, Qt/QML, Agentic AI, Docker, CMake, Conan, Golang, CI/CD, Git, MacOS, Linux, Windows
3mo
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Senior Software Engineer - C++
Boulder, Colorado, United States
$130k-$170k/yr OnsiteFull Time
Shotover Systems
Shotover Systems: Manufacturer of gyro-stabilized airborne camera systems and AR software.
5+ YOE5+ years C++ experience; degree in engineering or CS; networking, video, Git/CMake; Windows/Linux/iOS; latency-critical software.
C++, Git, CMake, Make, Linux, Windows, Visual Studio, Python, CUDA, Vulkan, ARM Jetson, systemd, Ubuntu, Linux device drivers
1mo
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Senior C++/C# Software Engineer
Centennial, Colorado, United States
$100k-$140k/yr OnsiteFull Time
Infovisa
Infovisa: Provides trust accounting and wealth management software solutions.
Bachelor's in computer science or related, strong experience with C++ or C#, familiarity with .NET and database design, problem solving and communication skills, interest in finance domain and legacy code maintenance.
Visual Studio Professional, .NET, C++, C#, Entity Framework, Microsoft SQL Server, MSTest, Moq, GitHub Copilot, Git, Azure DevOps, PowerShell
2mo
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Embedded C++ Software Engineer (5262) (Broomfield, CO)
Broomfield, Colorado, United States
$160k-$210k/yr OnsiteFull Time
SMX
SMX: Provides digital transformation and mission-critical IT solutions.
8+ YOE8+ years in high-performance C++ in Linux; Secret clearance; BS in CS/CE; embedded systems knowledge; Git; able to work independently.
C++, Linux, Git, Vitis, Vivado, VHDL, Verilog, Python, Java, JavaScript, CI/CD, Versal ACAP
1w
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C# Developer
Edmonton or Calgary or Toronto or Denver or Canada or India or United Kingdom or United States
OnsiteFull Time
Bits In Glass
Bits In Glass: Designs and implements automated software systems for large enterprises.
Strong C#, .NET/ASP.NET Core, SQL, Azure and Cosmos DB experience; familiarity with Azure DevOps, Application Insights and Python; strong system design, problem solving and communication skills.
C#, .NET, ASP.NET Core, SQL, Python, Azure, Azure DevOps, Application Insights, Cosmos DB
3w
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Software Engineer
Arvada, Colorado, United States
$95k-$150k/yr OnsiteFull Time
ALTEN
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
1mo
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Software Engineer Staff
Littleton, Colorado, United States
$150k-$180k/yr OnsiteFull Time
OASYS
OASYS: Provides technology services and products for government and defense.
Full-time software engineer with C/C++ experience; US citizen; ability to obtain Secret clearance; onsite in Littleton, CO.
C, C++, RTOS, GreenHill, VxWorks
1mo
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Software Engineer I
Broomfield, Colorado, United States
$85k-$105k/yr OnsiteFull Time
ZOLL Medical
ZOLL Medical: Manufactures medical devices and software for emergency care.
Bachelor's (or equivalent) in CS/Electrical/Computer Engineering or related field; experience with C, C++, C#, Python; software development, integration, unit verification, and documentation skills; strong communication and problem-solving.
C, C++, C#, Python, Cloud APIs
5d
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Software Engineer II
Lone Tree or Englewood
$108k-$149k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
2+ YOEBachelor's degree in CS or related,2+ years software development experience,advanced proficiency in C#,knowledge of software engineering principles,ability to work in multi-disciplinary teams.
C#, C, C++, Java
1w
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Software Engineer II
Denver, Colorado, United States
$70k-$109k/yr OnsiteFull Time
CONMED
CONMEDNYSE: CNMD: Manufacturer of surgical instruments and patient monitoring medical devices.
2+ YOEBS in computer or electrical engineering,2+ years Java/C/C++ software development in embedded or regulated environments,component ownership,unit/integration test and verification,secure coding,strong communication.
Java, C, C++, SQL, Python, MATLAB, Ruby, R
3mo
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Software Engineer
Niwot, Colorado, United States
$80k-$85k/yr HybridFull Time
SparkFun Electronics
SparkFun Electronics: Sells and manufactures open-source hardware and electronic components.
3+ YOE3+ years software experience; expert in MicroPython and Python; Arduino ecosystem; embedded C/C++; hardware protocols (I2C/I2S/SPI); robotics/educational robots; IoT networks; DIY electronics projects; user-centric software development; strong communication.
Python, MicroPython, C, C++, I2C, I2S, SPI, Git, Open Source tooling
5d
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Software Engineer
Littleton, Colorado, United States
$77k-$135k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
US citizen with ability to obtain Final Secret clearance; experience with C/C++, embedded software/hardware, bachelor’s degree in CS or related; knowledge of Agile and MBSE preferred.
C, C++, Agile, Model Based Systems Engineering (MBSE)
2d
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Software Engineer
Colorado Springs or Irvine or Longmont or Fremont or Rochester or San Jose
$111k-$148k/yr OnsiteFull Time
Western Digital
Western DigitalNASDAQ: WDC: Design and manufacture data storage devices and systems.
0+ YOEPursuing or recent Bachelor's/Master's in a technical field; experience with C/C++, Python, Java, Go, SQL, or JavaScript through coursework or internships; familiarity with software fundamentals, debugging, and development tools.
C, C++, Python, Java, Go (Golang), SQL, JavaScript, Microsoft Office, Git, Linux, IDEs
7h
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Software Engineer
Boulder, Colorado, United States
$125k-$165k/yr OnsiteFull Time
Auria
Auria: Engineering and software solutions for space and defense missions.
2+ YOEActive DoD Secret clearance required, ability to obtain TS/SCI, proficiency in C/C++, Python, Linux, OOP, EM practices, 2+ years (SE2) or 5+ years (SE3) software development experience, STEM degree.
Linux, C, C++, Python, Java, Git, Conan, CMake, Nexus, Bash, Jira, Confluence, Bitbucket
2mo
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Software Engineer
Boulder, Colorado, United States
$120k-$160k/yr OnsiteFull Time
Centil
Centil: Provides engineering and cybersecurity services for national defense missions.
5+ YOE5+ years software engineering; Bachelor's in science/engineering/computer science; Java and C/C++; scripting; SQL; DoD SECRET clearance; onsite in Boulder, CO; DevSecOps focus; CI/CD; Kubernetes/Docker; strong collaboration and communication.
Java, C/C++, Python, Unix Shell Scripting, Batch File, Windows Script File, SQL, Windows, Linux, Kubernetes, Docker, OpenShift
2mo
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Senior Software Engineer C#/.NET
Denver, Colorado, United States
$120k-$155k/yr HybridFull Time
bet365
bet365: Provides global online sports betting and digital casino games.
5+ YOE5+ years C# experience; MS SQL Server; Windows apps/services; strong problem solving; mentoring; delivery oriented.
C#, .NET, MS SQL Server, Golang, React, Google Cloud Platform
2mo
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Software Engineer 1
Boulder, Colorado, United States
$95k-$105k/yr OnsiteFull Time
Garmin
GarminNYSE: GRMN: Designs and manufactures GPS-enabled navigation and wearable technology products.
Bachelor’s degree in CS, EE, CE, SE, AE, Math, Physics or related field or equivalent; GPA 3.0+; knowledge of C/C++/C#/Java; basic software development.
C, C++, C#, Java, Assembly Language
1mo
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Engineer Principal – Ground/Application Software
Broomfield or Westminster or Boulder or Colorado or United States
$118k-$201k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
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.
CI/CD, Containerization, C, C++, Rust, Python, Ruby, AWS, Lambda, Docker, Kubernetes, Spring, Jersey, Flask, CherryPy, Ruby on Rails, JavaScript, Angular, React, JavaFX, Qt, SQL, NoSQL, JPA/ORM, Java, MQTT, AMQP, Kafka, Vue, Nginx, Apache, Postgres, Cameo, PlantUML, gtest, ctest, MATLAB