217 developer ii jobs at 73 companies in Windsor, CO

2mo
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Software Engineer II
Centennial or Louisville
$106k-$145k/yr OnsiteFull Time
Sierra Space
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
2+ YOEBachelor's degree or equivalent; 2+ years experience; strong programming and software development knowledge; Agile/Scrum/Kanban; ability to obtain/maintain US security clearance.
Python, React, FastAPI, Kubernetes, Docker, Git, AWS, Ansible, Jira, Confluence
3mo
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Engineer II, Backend APIs
Los Angeles or Boulder
$115k-$135k/yr HybridFull Time
Magnite
MagniteNASDAQ: MGNI: Independent sell-side platform for digital media advertising.
3+ YOE3+ years software engineering; Java backend; Postgres; Git; strong communication.
Java, PostgreSQL, Git, OpenAPI, Docker, Kubernetes
3mo
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Engineer II 2026-01024
Rawlins or Cheyenne
$6k-$6k/mo OnsiteFull Time
State of Wyoming
State of Wyoming: Provides government administration and public services for Wyoming residents.
0+ YOEBachelor’s degree in Engineering; 0-3 years engineering experience; EIT or FE required; valid driver’s license.
2mo
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Process Engineer II
Longmont, Colorado, United States
$84k-$105k/yr OnsiteFull Time
Antech
Antech: Provides veterinary diagnostic services and technology for animal health.
5+ YOEBachelor’s in engineering; 5-7 years in R&D or production; DOE/SPC; regulated environment; project management; medical device experience preferred.
SolidWorks, Windows, MS Office
2mo
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Propulsion Engineer II
Berthoud, Colorado, United States
$92k-$115k/yr OnsiteFull Time
Ursa Major
Ursa Major: Designs and manufactures rocket engines and aerospace propulsion systems.
2+ YOEBachelor’s degree in engineering; 2+ years hardware design/ownership; CAD and GD&T; pressure vessels, fluids, mechanical and electrical systems; strong ownership and collaboration.
Siemens NX, Windchill PLM, Ansys FEA, CAD, GD&T ASME Y14.5
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Wireline Engineer II
Brighton, Colorado, United States
$82k-$105k/yr OnsiteFull Time
Ranger Energy Services
Ranger Energy ServicesNYSE: RNGR: Provides high-specification well services and wireline solutions for oilfields.
3+ YOE3+ years supervising wireline well site operations; high school or GED; CDL-HM; ATF background check; English fluency; knowledge of wireline tech and safety standards.
Warrior operating system, Microsoft Office
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Mechanical Engineer II
Longmont or Westminster
$100k-$140k/yr OnsiteFull Time
ALTEN
ALTENEuronext Paris: ATE: Provides engineering and technology consulting services to industrial clients.
3+ YOEBachelor’s in Mechanical Engineering; 3–10 years mechanical design; precision, rugged environments; CAD (SolidWorks) and GD&T proficiency.
SolidWorks, GD&T, Tolerance analysis
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Construction Engineer II
Westminster, Colorado, United States
$75k-$131k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
5+ YOE4-year engineering degree; 5+ years field experience on large transportation projects; Professional Engineer license or ability to obtain; knowledge of construction processes and practices.
CAD
3w
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Software Engineer II
Boulder, Colorado, United States
$100k-$130k/yr HybridFull Time
Spectra Logic
Spectra Logic: Provides scalable data storage and management solutions for long-term preservation.
2+ YOE2+ years professional development experience, proficiency in Go/C++/C/Java, bachelor’s degree or equivalent experience, strong communication and problem-solving skills.
Go, C++, C, Java, CI/CD
3w
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Software Engineer II
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$94k-$130k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
2+ YOEBachelor's in CS or related,2+ years software development experience,proficiency in C++,Java,Python,knowledge of engineering principles,ability to work in multidisciplinary teams.
C++, Java, Python, C, C#, HTML, Bash, RTOS, AI/ML
1w
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Software Engineer II
Denver or Fort Collins or Boulder
$90k-$110k/yr HybridFull Time
Synergetics
Synergetics: Provides secure cloud infrastructure and logistics software for defense.
3+ YOE3+ years software development with C#/.NET and Angular, Azure and SQL Server experience, CI/CD and DevOps familiarity, strong problem solving and communication; U.S. citizenship required.
.NET, Angular, C#, SQL Server, Microsoft Azure, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure SQL, Microsoft Azure Storage, Microsoft Azure Key Vault, GitHub, Azure DevOps, GitHub Actions, BICEP, Terraform, ARM templates, Docker, Kubernetes, ServiceNow, JavaScript, TypeScript, HTML, CSS, React, Vue
4mo
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Project Engineer II - Geotech
Denver or Westminster
$95k-$110k/yr HybridFull Time
GeoStabilization International
GeoStabilization International: Provides emergency geohazard mitigation and slope stabilization construction services.
5+ YOEB.S. in Civil Engineering; 5+ years geotechnical/structural experience; EIT; proficient in Word/Excel/AutoCAD; familiarity with slope stability software; able to travel up to 30%; physically capable of field work.
Word, Excel, AutoCAD, Rocscience software, slope stability software
1mo
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Engineer-in-Training II - Civil
Fort Collins, Colorado, United States
$77k-$83k/yr HybridFull Time
Martin/Martin
Martin/Martin: Provides structural and civil engineering services for building projects.
2+ YOEBachelor's degree in engineering; Proficiency with Civil3D; FE Examination passed; 2-5 years of experience; eligible to work in the United States; willingness to relocate to Fort Collins area.
Civil3D, AutoCAD
1w
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Full-Stack Developer II
Broomfield, Colorado, United States
HybridFull Time
Sonepar
Sonepar: Global distributor of electrical products and B2B solutions.
4+ YOEBachelor's degree and minimum 4 years full-stack development experience; strong .NET (ASP.NET/MVC), C#, Visual Studio, Microsoft SQL Server, REST/Web API, JavaScript/TypeScript, HTML/CSS skills; U.S. work authorization required.
.NET, ASP, MVC, XML, JSON, TypeScript, JavaScript, jQuery, Visual Studio, Microsoft SQL Server, C#, REST, Web API, HTML, CSS
3w
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Software Engineer II, Valence
Louisville, Colorado, United States
$95k-$110k/yr OnsiteFull Time
Alphatec Spine
Alphatec SpineNASDAQ: ATEC: Designs and manufactures surgical implants and instruments for spine surgery.
3+ YOE3+ years commercial software development; strong C++ and Linux experience preferred; familiarity with Agile, Git, Azure DevOps, and Jira; experience in regulated environments and BS/MS in CS or related field preferred.
C++, Linux, Agile, Git, Azure DevOps, Jira
2mo
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Process Engineer II (Electrode Slurry)
Louisville, Colorado, United States
$79k-$122k/yr OnsiteFull Time
Solid Power
Solid PowerNasdaq: SLDP: Designs and manufactures all-solid-state battery technology for vehicles.
2+ YOEBachelor's in Chemical, Materials Science, or Mechanical Engineering; 2+ years manufacturing/pilot-scale processing; experience in battery cell manufacturing or slurry; process ownership; data analysis skills; SolidWorks/Minitab/JMP familiarity.
SolidWorks, Minitab, JMP
3mo
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Senior Flight Software Engineer II
Westminster, Colorado, United States
$133k-$1610k/yr OnsiteFull Time
CesiumAstro
CesiumAstro: Develops phased array communication systems for satellites and aircraft.
6+ YOE6+ years spacecraft software development; strong C/C++, Python; embedded software for space missions; knowledge of attitude, navigation, power, and communication systems; team leadership experience.
C, C++, Python
3mo
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Structural Design Engineer II
Fort Collins, Colorado, United States
$72k-$90k/yr OnsiteFull Time
JVA
JVA: Consulting firm providing structural, civil, and environmental engineering services.
Bachelor's degree; ability to obtain Colorado EI within 6 months; structural steel and reinforced concrete coursework; strong communication; collaborative; proactive problem solver; multitasking.
REVIT, RAM, RISA
2mo
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Manufacturing + Test Engineer II
Broomfield, Colorado, United States
$64k-$130k/yr OnsiteFull Time
MMA Space
MMA Space: Designs and manufactures deployable structures and systems for spacecraft.
2+ YOEBS in Mechanical Engineering; 2-10 years aerospace manufacturing/test experience; CAD/GD&T; QA; production planning.
2mo
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Operational Excellence Engineer II (Onsite)
Windsor, Colorado, United States
$90k-$100k/yr OnsiteFull Time
Tolmar
Tolmar: Develops and manufactures specialty and generic pharmaceutical products.
3+ YOELeads process improvement in GMP manufacturing; Lean and Six Sigma; aseptic/sterile ops experience.
Visio, MS Word, Excel, PowerPoint, AutoCAD, SolidWorks, Minitab, JMP