📣 HiringCafe is hiring a Founding Growth Hacker! Learn More · Apply here
Python Software Engineer Jobs in Keystone, CO, US
110+ python software engineer jobs from 42 companies hiring in Keystone, CO, US.
1w
Save
Mark Applied
Hide
Sr Staff / Senior Python Software Engineer
Boulder, Colorado, United States
$126k-$175k/yr OnsiteFull Time
6+ YOEBachelor’s degree in CS/Engineering/Math/Physical Sciences; 6+ years of professional Python software engineering; microservices and distributed systems; real-time data processing pipelines; automated testing; Linux; Git; DoD clearance; strong communication.
Python, Linux, Docker, Git, pytest, CI/CD, Microservices, Distributed Systems, REST APIs, protobuf, ZeroMQ, Kafka, gRPC
3w
Save
Mark Applied
Hide
Staff Software Engineer
Westminster, Colorado, United States
$102k-$170k/yr HybridFull Time
5+ YOEUS citizen; BS degree in CS or Engineering or equivalent experience; 5+ years in complex software development; Python web services; Linux; REST/JSON/YAML; test automation experience.
Python, Django, Linux, REST/JSON/YAML, Cucumber, Gherkin, Behave, Kubernetes, Docker, Jenkins, Helm, Terraform, RabbitMQ, PostgreSQL, Redis, Elasticsearch, Ruby, Go, CI/CD
3w
Save
Mark Applied
Hide
Software Engineer
Niwot, Colorado, United States
$80k-$85k/yr HybridFull Time
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
1w
Save
Mark Applied
Hide
Software Engineer
Boulder, Colorado, United States
$120k-$160k/yr OnsiteFull Time
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
3mo
Save
Mark Applied
Hide
Experienced Software Engineer
Chicago or London or New York City or Austin or Boulder or Seattle
$200k-$300k/yr OnsiteFull Time
3+ YOEBachelor's or Master's in CS/Engineering; experience at top-tier firm; Python or C++; strong data structures and communication.
Python, C++, Data Structures, Algorithms, Distributed Systems, Debugging, Software Development Lifecycle
2mo
Save
Mark Applied
Hide
Senior Spacecraft Software Engineer
Boulder or Glasgow
$131k-$171k/yr HybridFull Time
Spire Global: Operates a satellite constellation providing data and global analytics.
Proficient in C++ or Python; FPGA development; DSP; GNSS signal processing; cloud-based systems; strong software engineering skills.
C++, Python, FPGA, VHDL, HLS, DSP, GNSS, AWS
3w
Save
Mark Applied
Hide
Software Engineer - Space Infrastructure
San Francisco or Golden or Toulouse
$131k-$176k/yr OnsiteFull Time
3+ YOEExperience developing software with strong automation; Proficient in Python and Git; able to work across software and hardware stack; willing to train as satellite controller and Flight Director; reliable, autonomous, and collaborative.
Python, Git, Docker, Lua, Linux, CI/CD
6d
Save
Mark Applied
Hide
Engineer Senior – Embedded Software
Boulder, Colorado, United States
$97k-$165k/yr OnsiteFull Time
4+ YOEBS in Engineering; 4+ years embedded software; Top Secret/SCI clearance; experience in Rust, C/C++, Python, Embedded Linux, MQTT, ZeroMQ, Yocto/PetaLinux, device tree.
Rust, C/C++, Python, Embedded Linux, Yocto, PetaLinux, Device tree, MQTT, ZeroMQ
3w
Save
Mark Applied
Hide
Software Engineer
Boulder, Colorado, United States
$120k-$145k/yr OnsiteFull Time
3+ YOEUS citizenship; Bachelor’s in computer science; 3+ years in software development, with OPIR domain experience; eligibility for Secret clearance.
Typescript, Python, Java, DevSecOps
2w
Save
Mark Applied
Hide
Lead Software Engineer
Louisville, Colorado, United States
$135k-$165k/yr OnsiteFull Time
7+ YOE7+ years in software development; strong Python and Go; design of distributed systems; database experience (SQL/NoSQL); cloud-native, microservices; API integration; Git workflows.
Python, Go, Kubernetes, Docker, Git, SQL, NoSQL
1w
Save
Mark Applied
Hide
Sr Associate Software Development Engineer
Boulder, Colorado, United States
$108k-$184k/yr HybridFull Time
2+ YOE2+ years software engineering; 1+ years web framework experience (Python Flask/Django/FastAPI); Bachelor's in computer-related field or equivalent.
Python, Flask, Django, FastAPI, Docker, Kubernetes, AWS
1mo
Save
Mark Applied
Hide
Artificial Intelligence Software Engineer
Westminster, Colorado, United States
$171k-$235k/yr OnsiteFull Time
5+ YOE5+ years of professional software engineering on production systems; full-stack with Python, React, AWS/Azure; AI tooling experience; strong systems thinking.
Python, React, AWS, Azure, Cursor, GitHub Copilot, Gemini CLI
2mo
Save
Mark Applied
Hide
Advisory Software Engineer
Boulder, Colorado, United States
$93k-$110k/yr OnsiteFull Time
5+ YOEMS in CS/CE/EE or related field; 5+ years in software development; strong C/C++, Rust, Python; Linux IPC; AI/ML experience; Agile; travel up to 10%
C++, Rust, Python, Git, CI/CD, SQL, Java, JavaScript, AWS, Django, ReactJS, Linux
4d
Save
Mark Applied
Hide
Staff Software Engineer (Boulder, CO)
Boulder, Colorado, United States
HybridFull Time
8+ YOE8+ years software engineering; expert C++ (C++20+); Python for backend; Linux, Docker, Git; architecture ownership; agentic coding tools; willing to travel; Boulder/Denver resident.
C++, Python, Linux, Docker, CMake, Git, ROS 2, MoveIt, gRPC, WebSocket, TypeScript, React
3w
Save
Mark Applied
Hide
Senior Software Developer
Louisville, Colorado, United States
$118k-$144k/yr OnsiteFull Time
5+ YOE5+ years of professional software development; strong SQL; Python; Git; REST APIs; pytest or similar testing; CI/CD experience; ability to own features end-to-end.
Python, SQL, Git, REST APIs, pytest, JavaScript, TypeScript, Node.js, CI/CD, GitLab CI
1w
Save
Mark Applied
Hide
Sr Principal Software Engineer
Louisville or Centennial
$206k-$283k/yr OnsiteFull Time
15+ YOE5+ MgmtRequires extensive software engineering expertise, leadership, and ability to architect complex systems for space applications.
Python, C++, Bash, PowerShell, Perl, Ansible, Puppet, Chef, Terraform, Git, Jira, Confluence, Jenkins, Docker, Kubernetes, MySQL, PostgreSQL, MongoDB, AWS, Azure, Google Cloud, Docker, Kubernetes, GitHub, GitLab, Bitbucket
6d
Save
Mark Applied
Hide
Engineer Senior – Embedded Software
Boulder or Westminster or Broomfield
$97k-$165k/yr OnsiteFull Time
4+ YOEBS in engineering, 4+ years experience; Top Secret/SCI clearance; Rust/C/C++, Python, Embedded Linux; experience with FPGAs, MQTT/ZeroMQ; Linux deployment; UML; SDLC practices.
Rust, C/C++, Python, Embedded Linux, Yocto, PetaLinux, MQTT, ZeroMQ, Device tree, GTest, ctest, CMake
6d
Save
Mark Applied
Hide
Engineer Senior – Embedded Software
Boulder, Colorado, United States
$97k-$165k/yr OnsiteFull Time
4+ YOEBS degree or higher; 4+ years’ related experience; active Top Secret/SCI clearance; Rust, C/C++, Python, Embedded Linux; FPGA interaction; MQTT/ZeroMQ; Yocto/PetaLinux; software design, development and testing.
Rust, C/C++, Python, Embedded Linux, Yocto, PetaLinux, MQTT, ZeroMQ, UML
4d
Save
Mark Applied
Hide
Software Engineer Staff- Level 4 SW Lead/Product Owner - TS
Littleton, Colorado, United States
OnsiteFull Time
Embedded software engineering with leadership experience; C/C++, Python; Agile; TS clearance.
C/C++, Python, Linux
2w
Save
Mark Applied
Hide
Principal Software Engineer
Boulder, Colorado, United States
$180k-$220k/yr HybridFull Time
Atom Computing: Building scalable quantum computers using arrays of neutral atoms.
10+ YOEBackend services design and leadership; 10+ years building complex systems; proficient in C++, Python, Rust, or Go; strong distributed systems knowledge.
C++, Python, Rust, Go, Distributed Systems, Cloud Infrastructure, AWS, GCP
6d
Save
Mark Applied
Hide
Senior Software Engineer
Boulder, Colorado, United States
$145k-$175k/yr OnsiteFull Time
Foresight Diagnostics: Develops ultra-sensitive blood tests for cancer recurrence monitoring.
8+ YOE8+ years full-stack development; Python backend; React frontend; PostgreSQL; Docker/Kubernetes; AWS or GCP; strong problem-solving and communication.
Python, React, PostgreSQL, Docker, Kubernetes, AWS, GCP
1mo
Save
Mark Applied
Hide
Senior ML Software Engineer, Watch Software
Denver or Boulder or Cupertino or San Diego
HybridFull Time
M.S. or Ph.D. in ML/CS; strong Python; on-device ML; PyTorch/TensorFlow; Swift/Objective-C; excellent communication.
PyTorch, TensorFlow, Python, Swift, Objective-C
1mo
Save
Mark Applied
Hide
Software Engineer Lead (Boulder, CO, US, 80301)
Boulder, Colorado, United States
$104k-$188k/yr HybridFull Time
10+ YOELead software engineer with 10+ years in C++ on Linux; architect/design software, embedded systems; mentorship and technical direction.
C++, Linux, Embedded, Python, Google Test
1mo
Save
Mark Applied
Hide
Senior Embedded Software Engineer
Louisville, Colorado, United States
$140k-$175k/yr HybridFull Time
5+ YOEBachelor's or master's in electrical/embedded systems; 5+ years hardware validation; proficient in C/C++/Rust; Python; Linux; test equipment; Git.
C/C++, Rust, Python, Linux, Git, Oscilloscope, DMM, OSA, VNA, UART, SPI, I2C, USB
1w
Save
Mark Applied
Hide
Software Engineer Lead - GPU Platform Engineer
Pittsburgh or Strongsville or Denver or Birmingham or Dallas or Lakewood or Phoenix
$55k-$159k/yr OnsiteFull Time
3+ YOELead design and operation of large-scale GPU platform infrastructure; Linux, NVIDIA GPUs, Kubernetes, Python, CI/CD, HPC, containerized workloads.
Linux, NVIDIA GPUs, Docker, Kubernetes, OpenShift, Python, Slurm, Helm, JupyterHub, CI/CD
1mo
Save
Mark Applied
Hide
Technical Lead - Software Developer, Data Foundry
San Francisco or San Diego or Boston or Louisville or Indianapolis
$152k-$244k/yr OnsiteFull Time
5+ YOE5–10+ years scientific software development; Python and another language; REST APIs, data pipelines, microservices; experience with scientific datasets.
Python, Java, C#, Go, TypeScript, Rust, SQL, REST APIs, Microservices, MLflow, Weights & Biases, Docker, Kubernetes, AWS, Azure, GCP, Prefect, Airflow, Nextflow, Postgres, Redshift, Snowflake, BigQuery, LIMS, ELN, Benchling, RDKit, Schrödinger, MOE, Git, Linux, Bash
5d
Save
Mark Applied
Hide
Principal Software Cybersecurity Engineer
Westminster, Colorado, United States
$150k-$235k/yr OnsiteFull Time
9+ YOE9+ years software/cybersecurity experience; 5+ years in application security or system hardening; BS or higher in a technical field; security certifications preferred.
C/C++, Python, Shell scripting, Linux, Embedded Linux, Embedded build frameworks
2w
Save
Mark Applied
Hide
Software Engineer - Level 3 or 4 (Physics Focus)
Boulder, Colorado, United States
$114k-$171k/yr OnsiteFull Time
8+ YOEExperience in software development with strong math/physics background; DoD Secret clearance; travel up to 10%.
C++, Python, Git, CMake
2mo
Save
Mark Applied
Hide
Senior Engineer II - Software Platform
Boulder, Colorado, United States
OnsiteFull Time
7+ YOEBA/BS in CS/CE/EE/Physics and 7-8 years software engineering; Linux OS updates, CVE patches, automation, scripting; distributed VCS; US citizenship; TS/SCI preferred or able to obtain; strong OS/networking knowledge; build and release automation.
Bash, Python, Linux, Red Hat Linux, CI/CD, Yocto Project, BitBake, Kernel configuration, U-Boot, Secure boot, Device provisioning, Git, upstream patches
3w
Save
Mark Applied
Hide
AI Software Engineer: Intelligent Data Infrastructure (San Jose, CA, US, 95128)
San Jose or Boulder or Pittsburgh or Raleigh
$131k-$195k/yr HybridFull Time
8+ YOE8+ years in software development; strong Golang, Python, C/C++; Linux kernel, file systems, distributed systems; AI/ML infra knowledge.
Golang, Python, C/C++, Linux, Kubernetes, GPU computing, Distributed systems, Storage systems
3w
Save
Mark Applied
Hide
AI Software Engineer: Intelligent Data Infrastructure (San Jose, CA, US, 95128)
San Jose or Boulder or Pittsburgh or Raleigh
$131k-$195k/yr HybridFull Time
8+ YOE8+ years software development; expert in Golang, Python, C/C++; Linux kernel and distributed systems; AI/ML infra familiarity; strong problem solving and collaboration.
Golang, Python, C/C++, Linux, Kubernetes, GPU
2mo
Save
Mark Applied
Hide
Senior Staff Software Engineer — Application Engineering
Bothell or Boulder or College Park
$193k-$253k/yr HybridFull Time
12+ YOE12+ yrs backend/full-stack; 5+ yrs CI/CD; 5+ yrs C/C++ or Rust; 3+ yrs Docker/Kubernetes; shipping containerized apps; quantum computing background; using coding tools daily.
Python, Golang, GitHub Actions, Jenkins, C/C++, Rust, Docker, Kubernetes, CUDA, OpenMP, Airflow, Dagster, Temporal
3w
Save
Mark Applied
Hide
Lead Sr Staff Software Engineer - Front End Fundamentals
Bellevue or Boulder or Chicago or Denver or Irvine or Los Angeles or New York or San Francisco or San Jose or Seattle or Ventura
$166k-$305k/yr HybridFull Time
13+ YOE1+ MgmtSenior frontend leadership role requiring 13+ years of software development, 1+ year of people management, strong TypeScript/JavaScript or other languages, cloud and distributed systems experience, and mentoring.
TypeScript, JavaScript, C#, Java, C, C++, Python, SQL, Scala
1mo
Save
Mark Applied
Hide
Artificial Intelligence (AI) Engineer (LLM / Agent)
Lakewood, Colorado, United States
$105k-$130k/yr RemoteFull Time
5+ YOE5+ years in software/AI engineering; Python; API integration; cloud (Azure); Agile; secure coding practices.
Python, Azure, REST APIs, Cloud, Agile tools
1mo
Save
Mark Applied
Hide
Principal AI Engineer
Los Angeles or Boulder or New York or St. Petersburg
$175k-$200k/yr HybridFull Time
8+ YOE8+ years software engineering; 3+ years AI/ML infrastructure; strong Golang, Python, and SQL; experience with LLM APIs and API-first design; cross-functional collaboration.
Golang, Python, SQL, LLM APIs, CI/CD, Cloud Computing
2w
Save
Mark Applied
Hide
Autonomy Engineer
Golden, Colorado, United States
$100k-$130k/yr OnsiteFull Time
1+ YOEBachelor’s degree in CS/Robotics; 1-3 years autonomy software experience; C++, Python; ROS; U.S. citizenship; strong communication.
C++, Python, ROS
1mo
Save
Mark Applied
Hide
Applications Engineering, Staff Engineer - 16241
Boulder, Colorado, United States
$112k-$168k/yr OnsiteFull Time
5+ YOEMechanical/Aerospace background with CFD expertise; 5 yrs (BS) or 3 yrs (MS) or 0 yrs (PhD) in engineering software; PRO; proficient in Ansys Fluent or CFD tools; CAD for CFD; Python/C/C++; travel 25-50%
Ansys Fluent, CFD, CAD, Python, C/C++
1mo
Save
Mark Applied
Hide
Intern - Engineer
Boulder, Colorado, United States
$19-$30/hr OnsiteFull Time, Internship
0+ YOEPursuing a Bachelor's/Master's/Doctoral in engineering/computer science; embedded hardware/software development; familiarity with I2C/SPI/UART/USB; test equipment usage; ability to work 40 hours/week in Boulder, CO; US citizenship compliance.
Python, C++, MATLAB, UNIX, Jenkins, PCB Design (Altium)
4d
Save
Mark Applied
Hide
Manufacturing Engineer (Spacecraft Valve Manufacturing)
Boulder, Colorado, United States
$100k-$160k/yr OnsiteFull Time
1+ YOEBachelor’s in engineering; 1+ year CNC/machining; 1+ year design/manufacturing; experience on manual/CNC mills and lathes; data acquisition software; root-cause analysis; collaborative teamwork.
NX, Hypermill, Mastercam, Fusion 360, ESPRIT, HSM Works, Python, SQL, Renishaw, Keyence, CNC, Mazatrol, Siemens, Fanuc
2w
Save
Mark Applied
Hide
Software Engineering Technical Leader - Observability Platforms (Remote/Hybrid)
Boulder or Austin or Raleigh (RTP) or McLean
$146k-$201k/yr HybridFull Time
3+ YOE8+ years in software engineering/SRE/observability; SaaS experience; strong communication; Bachelor+8y or Master+6y or PhD+3y.
AWS, GCP, Azure, Kubernetes, Docker, Golang, Python, Terraform, Prometheus, Splunk, Timeseries databases
HiringCafe market data
Python Software Engineer Jobs market signals in Keystone, CO, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
110+
Hiring companies
42
Fresh sample
58% new in 30d
Salary visibility
88% show pay
Companies appearing in this market
BAE SystemsAtom ComputingLockheed MartinLoft OrbitalNorthrop GrummanSciTecWorkdayApple
Work location mix in visible results
Onsite: 47Hybrid: 25Remote: 4