97 mid level software engineer jobs at 61 companies in Severance, CO

1d
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Jr. to Mid-level Software Engineer - Boulder, CO
Boulder, Colorado, United States
$110k-$138k/yr OnsiteFull Time
Davidson Technologies
Davidson Technologies: Delivers engineering and technology solutions for national security missions.
2+ YOEProficiency in C/C++, Python, Linux, and OOP; experience with algorithm development, state estimation, and data analysis; ability to travel up to 10%; active DoD Secret clearance required to start.
Linux, C, C++, Python, Java, Jira, Git, Conan, CMake, Nexus, Bash, grep, awk, cat, head, Confluence, Bitbucket
1w
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Software Engineer
Boulder, Colorado, United States
$120k-$155k/yr OnsiteFull Time
Major League Baseball
Major League Baseball: Professional sports league governing North American baseball teams and media.
3+ YOE3+ years professional software engineering experience; strong iOS development with Swift, UIKit/SwiftUI; mobile architecture, networking, state management, and collaboration in cross-functional teams.
iOS, Swift, UIKit, SwiftUI, tvOS, Apple TV, Android, Android TV, Fire TV
2w
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Software Engineer
Fort Collins, Colorado, United States
$120k-$200k/yr OnsiteFull Time
Toyon Research
Toyon Research: Develops advanced technology and analysis for national defense systems.
2+ YOEMS in engineering/computer science/physics/math or BS+2 years industry experience; experience with software architecture, team development, version control, and Docker; US citizenship and ability to qualify for DoD clearance.
Python, C++, Docker, Kubernetes, Reinforcement Learning (RL), Large Language Models (LLMs), Computer Vision
2d
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AI & ML Software Engineer
Fort Collins, Colorado, United States
$144k-$273k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Providing global edge-to-cloud infrastructure and IT solutions for businesses.
Experience building production AI/ML software using Go, Python, and React; strong software engineering fundamentals; experience with distributed systems, observability, and lifecycle of ML solutions.
Go, Python, React, LLM, High Performance Computing (HPC)
3w
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Advanced Software Systems Engineer
Boulder, Colorado, United States
$119k-$128k/yr HybridFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Engineers secure communication and mission-critical defense technology systems.
3+ YOEBachelor's in systems engineering (or related) with 5+ years or Master's with 3+ years, DoD Secret clearance required, U.S. citizenship, experience with systems-level software development, MBSE, cloud and DevOps tooling.
Model-Based Systems Engineering (MBSE), AWS, Azure, RHOSP, VIO, Kubernetes, Rancher, Docker, OpenShift, Ansible, Terraform, Terragrunt, Packer, STIG, RMF
1w
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Embedded Software Engineer
Northglenn, Colorado, United States
$115k-$165k/yr HybridFull Time
Integrated Solutions for Systems
Integrated Solutions for Systems: Provides engineering, systems integration, and research for defense.
4+ YOEEngineering/CS degree, 4+ years software/embedded experience, embedded Linux expertise, version control and testing practices, security-clearance eligibility required.
Linux, PX4, Ardupilot, ROS, ROS2
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Software Engineer
Boulder, Colorado, United States
$120k-$145k/yr OnsiteFull Time
Tech7
Tech7: Provides defense engineering and technology integration for government missions
3+ YOEUS citizen; Bachelor’s in computer science; 3+ years software development experience (OPIR preferred); programming in TypeScript, Python, Java; DevSecOps pipeline experience; eligible for Secret clearance; strong communication and analytical skills.
TypeScript, Python, Java, DevSecOps
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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
3w
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Software Performance Analysis Engineer - Level 2 or 3
Boulder, Colorado, United States
$92k-$138k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEActive Secret clearance, Linux and Python/Matlab experience, performance analysis and data analysis skills, 2+ years related experience (level 2) or 5+ (level 3), ability to travel up to 10%.
Python, Matlab, Linux, grep, awk, cat, head
1mo
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Software Engineer - RFGL Systems
Boulder, Colorado, United States
$90k-$131k/yr HybridFull Time
Spire Global
Spire GlobalNYSE: SPIR: Operates satellite constellations for global tracking and weather analytics.
2+ YOE2–5 years software engineering experience, hands-on AWS (EC2, S3, Lambda, ECS/EKS, CloudWatch, IAM), Python, Linux fundamentals, production systems reliability, monitoring, and strong communication.
EC2, S3, Lambda, ECS, EKS, CloudWatch, IAM, Python, Linux, Spark, Kafka, Databricks, Terraform, Ansible, CloudFormation, Docker, Kubernetes, GitHub Actions, Prometheus, Grafana, ELK, C++
2mo
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Software Engineer-- Embedded
Arvada, Colorado, United States
$81k-$108k/yr OnsiteFull Time
Mark VII Equipment
Mark VII Equipment: Manufacturer of automated car wash and vehicle cleaning systems.
6+ YOEBachelor’s in CS or Electrical Engineering; 6+ years engineering experience; strong C; RTOS; embedded HW know-how; NEC/UL508A a plus; German language a plus.
C, Real Time Operating Systems, Microcontroller hardware, Embedded programming, GitHub, I/O modules, CAN, Modbus, NEC, UL508A, German language (plus)
2w
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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
2d
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AI & ML Software Engineer
Fort Collins, Colorado, United States
$144k-$273k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
Experience building production software systems; familiarity with Go, Python, React; experience with distributed systems, observability, and applying AI/ML or LLMs to products.
Go, Python, React
1mo
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Engineer Senior – Embedded Software
Boulder or Westminster or Broomfield or Colorado or United States
$97k-$165k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
4+ YOEBS in engineering +4 years (or advanced degree substitution); current Secret clearance with ability to obtain TS/SCI; experience with Rust, C/C++, Python, Embedded Linux, FPGAs, messaging (MQTT/ZeroMQ), Yocto/PetaLinux, device tree, UML, and formal software lifecycle practices.
CI/CD, Containerization, C/C++, Rust, Python, Ruby, Embedded Linux, FPGAs, MQTT, ZeroMQ, PetaLinux, Yocto, Device tree, UML, Cameo, PlantUML, Protobuf, FlatBuffers, MATLAB, gtest, ctest, Yocto Project, OpenEmbedded, DevSecOps, hardware-in-the-loop, Linux
2w
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Software Quality Engineer - 770
Broomfield, Colorado, United States
$132k-$165k/yr HybridFull Time
Quantinuum
Quantinuum: Building full-stack quantum computing hardware and software systems.
4+ YOEBachelor's degree and 4+ years software engineering experience; strong Python and test automation (Robot Framework) skills; experience with CI/CD, cloud platforms, and debugging; must be U.S. Person and pass pre-employment drug test.
Python, Robot Framework, AWS, Google Cloud Platform (GCP), Microsoft Azure, Jenkins, GitHub Actions, Git, Linux, PostgreSQL, Redis, InfluxDB, Elasticsearch
1w
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Software Engineer
Boulder, Colorado, United States
$77k-$135k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Degree in CS/CE or related field, development experience in C++, ability to obtain Secret clearance; experience with containerization, CI/CD, embedded systems and strong algorithm/data-structure skills.
C++, Python, Docker, Kubernetes, Jenkins, GitLab CI
1mo
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.NET Application Developer (Junior & Mid-Level)
Broomfield, Colorado, United States
HybridFull Time
Sonepar
Sonepar: Global distributor of electrical products and B2B solutions.
3+ YOEBachelor's degree in CS/IT, 3+ years full-stack application development experience, proficiency with .NET/ASP.NET MVC, C#, Visual Studio, SQL Server, web technologies (JavaScript/TypeScript/HTML/CSS), and APIs.
Microsoft .NET Framework, ASP.NET MVC, C#, Visual Studio, Microsoft SQL Server, RESTful services, Web API, XML, JSON, JavaScript, TypeScript, jQuery, HTML, CSS
2d
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Software Engineer, Ground Software
Broomfield, Colorado, United States
$120k-$165k/yr OnsiteFull Time
Katalyst Space Technologies
Katalyst Space Technologies: Develops robotic spacecraft for in-orbit satellite servicing and maneuvering.
3+ YOE3–8 years building cloud-based scalable microservice systems, production service ownership, mission-critical reliability, strong backend/frontend fluency, AWS and modern tooling experience, BS in CS or related (MS preferred).
AWS Suite (EKS, MSK, Timestream, S3, Batch, Event Bridge), Python, C++, React, Tailwind, Redis, Kafka, influx, QuestDB, MongoDB, git, CI/CD, Docker, K8
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
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