30 software engineer i jobs at 21 companies in Lone Tree, CO
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Software Engineer I
Denver, Colorado, United States
$117k-$135k/yr HybridFull Time
Bachelor’s degree in CS or related field or equivalent experience; Proficiency in PHP or TypeScript; growth mindset; strong problem-solving; interest in AI tooling; good collaboration.
PHP, TypeScript, Laravel, GitHub Copilot, Claude Code
5d
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Engineer I - Software
Boulder or Broomfield or Westminster
$65k-$110k/yr OnsiteFull Time
BS in engineering or related required; experience with satellite ground systems, ground-system tools, cloud, web services, and back-end/front-end languages; eligible for Top Secret/SCI clearance.
COSMOS, ECLIPSE, OS/COMET, OASIS, AWS, Lambda, Docker, Kubernetes, Spring, Jersey, Flask, CherryPy, Ruby on Rails, JavaScript, Angular, React, JavaFX, Python, Qt, SQL, NoSQL, JPA/ORM, Java, C++, Rust, Ada
1mo
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Software Engineer I - Ground Software
Greenwood Village or Austin or Laurel
$70k-$125k/yr HybridFull Time
0+ YOEEarly‑career full‑stack engineer; 0–1 years experience; bachelor's (or pursuing) in CS or related; foundational React/Angular knowledge; familiarity with TypeScript, C#, REST, Git, SQL, front-end tools; ability to obtain security clearance.
React, TypeScript, C#, .NET, Docker, Kafka, REST, Yarn, Babel, Material-UI, Git, SQL, TanStack Query
1mo
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Senior Engineer I-Software
Colorado Springs, Colorado, United States
$70k-$105k/yr OnsiteFull Time
5+ YOEBachelor's or master's in computer science or related, 5+ years software development, experience with .NET, SQL, enterprise apps, technical leadership and mentoring, ability to work onsite in Colorado Springs and occasional off-hour global meetings.
Microsoft .NET, Visual Studio, C#, ASP.NET, Visual Basic, MVC, Web API, WCF, JavaScript, jQuery, HTML5, CSS3, SQL, Oracle, Microsoft SQL Server, SSRS, SSIS, Microsoft O365, Team Foundation Server, ETL
1w
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Project Engineer I- Software
Westminster, Colorado, United States
$118k-$201k/yr OnsiteFull Time
6+ YOEBS in Engineering plus 6+ years related experience, current Secret clearance with ability to obtain TS/SCI, experience leading software teams, agile leadership, Atlassian (Confluence,Jira).
Confluence, Jira, Jama, DOORS
2mo
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Electronics Engineer I - SATCOM
Westminster, Colorado, United States
$82k-$98k/yr OnsiteFull Time
BS in Electrical Engineering; experience in board-level electronics design, analysis, and test; strong EE fundamentals; knowledge of software and mechanical interfaces; proficiency with lab equipment; excellent communication.
Altium, Cadence, KiCAD, LTSpice, Oscilloscopes, Power supplies, Multimeters, Logic analyzers
3w
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Software Engineer I, Model and Simulation
Broomfield, Colorado, United States
$90k-$125k/yr OnsiteFull Time
1+ YOE1-3 years modeling & simulation experience, 2-3 years C++ and Python, BS in a STEM field, strong OOP and distributed systems understanding, problem-solving and attention to detail.
C++, Python, Basalisk, STK, GMAT
1w
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Software Application Engineer IV
Colorado Springs, Colorado, United States
$125k-$190k/yr HybridFull Time
8+ YOEBachelor's in CS/EE or similar and minimum 8 years experience. Proficient in C/C++ and assembly, embedded Linux, RTOS, BSPs, memory-mapped I/O, and debugging toolchains; familiarity with Rust/Ada, ECSS/NASA standards, and fault-tolerant design.
C, C++, assembly, GCC, GDB, JTAG, Yocto, Buildroot, Debian, Linux, RTEMS, VxWorks, FreeRTOS, Rust, Ada/SPARK, ARM, SPARC
1mo
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Senior Systems Software Engineer - Data Path
Centennial or Mendota Heights
$160k-$200k/yr HybridFull Time
15+ YOE15+ years C/C++ systems development experience; expertise in low-latency code, concurrency, distributed systems, storage protocols, Linux I/O and performance optimization; strong communication and teamwork; able to work hybrid in Centennial, CO or Mendota Heights, MN.
C, C++, NVMe-over-Fabrics (NVMe-oF), RDMA, Linux I/O subsystem, Linux, Kubernetes, Git, Jira, SMB, NFS
1w
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Satellite Simulation & Test Software Engineer III - TeraWave
Seattle or Denver
$151k-$231k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
3+ YOEBachelor's in CS/SE/Aerospace, 3+ years spacecraft/simulation/embedded software experience, strong C/C++/Python skills, IPC and hardware I/O knowledge, Git/CI/CD and container experience, US work authorization required.
C, C++, Python, Git, CI/CD, containerized environments, NASA's Trick, TCP/IP, UDP, CAN, I2C, SPI, RS-422, RS-485, Linux, QNX, VxWorks, RTEMS, cFS
4d
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Civil Engineer I
Lakewood, Colorado, United States
$65k-$80k/yr HybridFull Time
Bachelor's in civil engineering required. Entry-level role; EIT preferred. Experience with land/site development, drainage and modeling tools preferred; proficiency with civil design software and Microsoft Office required.
Civil3D, AutoCAD, AES, CIVILD, WSPGW, PCSWMM, StormCAD, HEC-HMS, HEC-RAS, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Microsoft Projects
4w
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Electrical Engineer I
Lakewood, Colorado, United States
$70k-$85k/yr OnsiteFull Time
0+ YOEBSEE or BSEET, EIT/FE preferred, 0+ years engineering experience, AutoCAD and Microsoft Office proficiency, knowledge of power system software (Aspen, PSSE, ETAP, SKM), ability to travel ~25-30%.
AutoCAD, Microsoft Excel, Microsoft Word, Aspen, PSSE, ETAP, SKM, SCADA, PLC
3mo
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Lead Engineer I - GenAI
Denver, Colorado, United States
HybridFull Time
5+ YOE5+ years software development and systems architecture experience; Bachelor’s in computer science/engineering required, Master’s preferred; strong Python, ML framework, microservices, REST, Azure, and GenAI experience.
Angular, TypeScript, Python, .NET Framework, C#, SQL, T‑SQL, Azure, App Services, Functions, SQL Database, DevOps, PyTorch, TensorFlow, scikit‑learn, Azure OpenAI, LangChain, LangGraph
1mo
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Software Engineering Manager I
Denver, Colorado, United States
$120k-$160k/yr HybridFull Time
Proven experience leading development teams; hands-on with C#, Golang, TypeScript; familiarity with cloud (GCP/GKE), Google Spanner, Kafka, microservices, performance testing, mobile tech, and mentoring engineers.
Golang, Google Spanner, C#, SQL, GCP, Kafka, WPF, React, TypeScript, GKE, SaaS
1mo
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Spacecraft Operations Engineer I/II
Littleton, Colorado, United States
$82k-$118k/yr OnsiteFull Time
2+ YOEBachelor's in engineering, spacecraft/ground-systems experience, software development (Python/Ruby/C/C++), understanding of spacecraft subsystems and orbital mechanics, U.S. citizenship required; Engineer II prefers 2+ years experience.
Python, Ruby, C, C++, GIT, CI/CD, cloud infrastructure, flatsat, HITL, HIL
1mo
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Spacecraft Operations Engineer I/II
Littleton, Colorado, United States
$82k-$118k/yr OnsiteFull Time
Bachelor's in engineering, experience with spacecraft mission design or operations, software development (Python/Ruby/C/C++), understanding of spacecraft subsystems and orbital mechanics, U.S. citizenship or equivalent export-authorized status.
Python, Ruby, C, C++, GIT, CI/CD, cloud infrastructure, flatsat, HITL, SIL, HIL
1mo
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Platform Engineer, AI (Levels I, II, III)
Denver or Long Beach
$120k-$235k/yr HybridFull Time
Software engineering experience (Python/TypeScript), familiarity with LLM APIs, REST/webhook integrations, ability to obtain Top-Secret clearance and U.S. work-authorization, strong communication and collaboration skills.
Python, TypeScript, REST APIs, webhooks, MCP, CrewAI, Pydantic AI, LangChain, AWS, Azure, GCP, Slack, Jira, Confluence, CI/CD
1w
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UICC Engineer I
Littleton, Colorado, United States
$72k-$103k/yr OnsiteFull Time
1+ YOEBachelor's or equivalent,1+ year eUICC/SIM/eSIM experience,COMPRION/APDU/SIM test tools experience,Python scripting,SIM-OTA and Remote SIM Provisioning knowledge.
COMPRION, Python, APDU logging, SIM test tools
1mo
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Electrical Engineering Associate I
Denver, Colorado, United States
$65k-$72k/yr HybridFull Time
Bachelor's degree in engineering or equivalent experience, awareness of federal/state/local codes, basic production/engineering software knowledge, strong oral and written communication skills.
1mo
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Service Delivery Engineer I
Greenwood Village or Denver or Colorado Springs or United States
$20-$25/hr HybridFull Time
Provide technical support and troubleshooting for clients (LAN/WAN, hardware, software, Office 365), maintain documentation, perform onsite visits across Denver/COS metro, and deliver high-quality customer service.
Microsoft Windows, Microsoft Windows Server, macOS, Addigy, NinjaRMM, ConnectWise Control, Meraki, SonicWall, Microsoft Azure, Microsoft 365, Microsoft Intune, Microsoft Autopilot, KnowBe4, Proofpoint Essentials, Mimecast, SentinelOne EDR, Monday, Huntress, HaloPSA, Microsoft Office, Ubiquiti, VMware, Veeam, PowerShell, Synology
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