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35 software engineer iii jobs at 17 companies in Greeley, CO

3w
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Software Engineer III
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$108k-$149k/yr HybridFull Time
Sierra Nevada Corporation
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.
C++, Java, Python, C, C#, HTML, Bash
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2w
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Software Engineer III
Denver, Colorado, United States
$142k-$165k/yr OnsiteFull Time
Cleerly
Cleerly: Provides AI-driven solutions to analyze and prevent heart disease.
5+ YOE5–8 years software engineering experience, fullstack development, proficiency with React, Node.js, TypeScript, RESTful APIs and PostgreSQL; experience with cloud containers, CI/CD, and system design; Bachelor's/Master's or equivalent.
React, CSS, Node.js, TypeScript, RESTful APIs, PostgreSQL, Google Workspace (GMail, Drive, Docs, Sheets, Slides), Slack, Confluence, Jira, Zoom Video, Next.js, Ant, Docker, AWS EKS, CI/CD, Python
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1mo
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Software Engineer III
Denver, Colorado, United States
$99k-$198k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Multinational retail operating discount stores and supermarkets.
2+ YOEBachelor's in CS or related +2 years experience or 4 years' software engineering experience; proficiency in C/C++, Python, Go, JavaScript; cloud (AWS, GCP); CI/CD, debugging, API design, unit testing, and mentorship experience.
C/C++, Go, Python, JavaScript, AWS, GCP, CI/CD, WCAG 2.2 AA
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1mo
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Software Engineer III
Greenwood Village or Denver
$130k-$150k/yr HybridFull Time
MiTek
MiTekNYSE: BRK-B: Provides software and automation for the building industry.
5+ YOEBachelor's in computer science or related field, 5+ years professional software development, professional experience with C# and .NET, desktop application development, strong debugging and OOP skills.
C#, .NET, C++, Azure DevOps
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2mo
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Embedded Software Engineer III - Lunar Permanence
Seattle or Denver or Seattle
$165k-$231k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
6+ YOE6+ years embedded software in C/C++, Rust with Linux; BSP/driver development; hardware debugging with test equipment; strong C/C++/Rust and Linux scripting; teamwork.
C/C++, Rust, Linux, GDB, XSDB, Logic Analyzer, Oscilloscope, JTAG, Python, Matlab
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1mo
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Software Engineer III
Denver or Nashua or Augusta or Pinellas Park or Madison Heights
$125k-$145k/yr HybridFull Time
WOW!
WOW!: Provides broadband internet, cable television, and digital phone services.
3+ YOEFull-stack engineer with 3+ years building scalable web applications using Next.js and Node.js, strong AWS experience, REST/GraphQL APIs, serverless, CI/CD, AI-assisted tooling, and familiarity with web performance and accessibility standards.
Next.js, Node.js, REST API, GraphQL, Serverless, AWS, EC2, Lambda, S3, CloudFront, API Gateway, ECS, EKS, WAF, IAM, GitHub Copilot, Cursor, Claude, Contentful, Optimizely, LaunchDarkly, Google Analytics 4 (GA4), CI/CD
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1mo
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Software Engineer III
Centennial or Louisville
OnsiteFull Time
Sierra Space
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
5+ YOEBachelor's degree or equivalent, typically 5+ years experience, expertise in one or more programming languages, ability to design/architect complex systems, Agile experience, mentoring ability.
Python, C++, Java, Bash, PowerShell, Ansible, Puppet, Chef, JIRA, Confluence, Jenkins, GitHub, GitLab, Bitbucket, MySQL, PostgreSQL, MongoDB, AWS, Azure, Google Cloud, Docker, Kubernetes, SysML, UML, Git
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Flight Software Engineer III
Louisville, Colorado, United States
$93k-$162k/yr HybridFull Time
Arcfield
Arcfield: Systems engineering and mission support for defense and space.
Degree in engineering/computation with multi-year experience, strong embedded systems and RTOS knowledge, proficiency in C/C++/Python/Bash, git and CI/CD, containerization, and communication protocols.
C, C++, Python, Bash, git, Podman, Docker, Docker-Compose, CI/CD, RTOS, TCP/IP, UDP
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2w
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System Software Engineer III
Longmont, Colorado, United States
$115k-$145k/yr HybridFull Time
Autonomous Solutions
Autonomous Solutions: ASI develops autonomous vehicle systems and fleet management software.
5+ YOE5+ years writing production compiled-language code, Linux/Ubuntu/Yocto experience, debugging multi-threaded systems, hardware verification, strong problem-solving and collaboration skills.
Rust, C++, Python, Ubuntu, Yocto
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1mo
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Software Dev Engineer III - AMZ9899639
Boulder, Colorado, United States
$168k-$227k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
5+ YOEMaster's or Bachelor's in CS/Engineering/Math (or related) with corresponding experience; experience designing large-scale distributed systems, object-oriented design, and development in Java, C++, or C#; technical leadership and project management experience.
Java, C++, C#
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3w
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Engineer III
Aurora, Colorado, United States
$85k-$90k/yr OnsiteFull Time
Oneida Technical Solutions
Oneida Technical Solutions: Provides managed IT and cybersecurity services for government clients.
5+ YOEBachelor's in engineering, 5+ years systems engineering or hardware/software integration, active or obtainable Secret clearance, IAT-Level II, ability to lift 50 lbs, strong system design, testing, and HMI experience.
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2mo
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Forward Deployed Engineer III, Generative AI, Google Cloud
San Francisco or Atlanta or Boulder or Cambridge or Chicago or Addison or Detroit or Irvine or Kirkland or Los Angeles or Miami or Mountain View or New York or Portland or Reston or San Diego or Seattle or Sunnyvale or Washington D.C.
$174k-$252k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
5+ YOE5 years software development; AI systems on cloud; production-grade AI solutions; customer engagement; data pipelines with vector DB/RAG
Python, LangGraph, CrewAI, ADK, RAG, Vector Databases, LLM Metrics, Vertex AI, MCP servers
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1w
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Water Resources Engineer III
Denver, Colorado, United States
$135k-$150k/yr HybridFull Time
RS&H
RS&H: Employee-owned firm providing architecture, engineering, and infrastructure consulting services.
10+ YOEABET-accredited bachelor's in Civil or Environmental Engineering required; CO PE or ability to obtain reciprocity; minimum 10 years experience with drainage engineering and technical leadership; proficiency with listed engineering software.
OpenRoads Designer, AutoCAD Civil3D, StormCAD, HEC-RAS, SWMM, StormWise (formally ICPR)
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6d
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Backend Engineer III - Hunt
Bozeman or Austin or Denver or Minneapolis or Portland or Salt Lake City or Seattle or Charlotte or Kalispell or Boise or Charleston or Dallas or Phoenix or Richmond or Spokane or Vermont or Missoula
$130k-$153k/yr RemoteFull Time
onXmaps
onXmaps: Digital mapping and navigation apps for outdoor recreation.
5+ YOEBachelor's or equivalent,5+ years software development with 3+ years API focus,experience with Go and relational databases (MySQL/PostgreSQL),distributed systems experience,permanent US work authorization required.
MySQL, PostgreSQL, Go, GraphQL, Elixir, Rust, Python, Docker, Kubernetes, Terraform, Google Cloud Platform, PostGIS, CockroachDB
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1mo
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Business Applications Developer III
Denver, Colorado, United States
$110k-$126k/yr HybridFull Time
Exponential Technology Group
Exponential Technology Group: Distributes electronic components and provides specialized engineering design services.
5+ YOEBachelor's in CS/IS or related required, 5+ years professional software development experience, strong Dynamics 365 and Azure experience, CI/CD, Git, stakeholder collaboration, and mentoring ability.
Microsoft Dynamics 365, Microsoft Dynamics 365 Finance & Operations, Microsoft Dynamics 365 Project Operations, Microsoft Power Apps, Microsoft Azure, Git, Microsoft Azure DevOps
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1mo
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Platform Engineer, AI (Levels I, II, III)
Denver or Long Beach
$120k-$235k/yr HybridFull Time
True Anomaly
True Anomaly: Develops autonomous spacecraft and software for space security missions.
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
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1mo
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Engineer Senior Principal III – SV Simulators Technical Leader
Boulder, Colorado, United States
$153k-$261k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
12+ YOEBachelor's in engineering plus 12+ years' related experience, active TS/SCI with polygraph, 5+ years as technical lead, Agile/SAFe and software project management experience, familiarity with simulation, systems architecture, and listed software tools.
C, C++, MATLAB, Simulink, Python, Ruby, Jira, Atlassian, Git, GitLab, SVN, DOORS, Jama, AWS, Docker, Podman, Scaled Agile Framework (SAFe), Agile
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1mo
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Estimator III
Portland or Denver or Chicago or Seattle or Washington
$109k-$164k/yr OnsiteFull Time
Mortenson
Mortenson: Provides construction, real estate development, and engineering services.
6+ YOEAssociate or bachelor's in estimating/engineering/construction management or equivalent experience; minimum six years construction industry experience; proficient with BIM and estimating software; ability to lead estimator teams and travel up to 20%.
BIM
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