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Python Software Developer Jobs in Keystone, CO, US
110+ python software developer jobs from 45 companies hiring in Keystone, CO, US.
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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
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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
3w
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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
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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
3w
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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
3w
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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
2mo
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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
2mo
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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
6d
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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
1w
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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
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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
1mo
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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
3mo
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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
5d
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Senior Software Engineer, Level 3 - Embedded - Clearance Required
Littleton, Colorado, United States
$93k-$164k/yr OnsiteFull Time
Embedded software development experience; C/C++, Python; Linux; Agile; Top Secret/TS clearance required; ability to lead in a collaborative, multi-disciplinary team.
C/C++, Python, Linux, Agile
1w
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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
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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
2w
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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
1mo
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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
4d
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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
2w
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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
1w
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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
1mo
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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
3w
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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
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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
1w
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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
5d
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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
1mo
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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
2w
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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
3w
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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
2mo
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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
2mo
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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
1w
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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
1mo
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Senior Software Architect
Boulder, Colorado, United States
$150k-$200k/yr OnsiteFull Time
Bachelor's degree in CS or related field; proven software architect with experience designing complex systems; strong software architecture knowledge; proficient in C, C++, Java, Python; Linux (Ubuntu); cloud (GCP, AWS, Azure); UI/UX and API integration; cybersecurity awareness.
C, C++, Java, Python, Ubuntu Linux, Google Cloud, AWS, Azure, UI/UX, APIs
2w
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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
1w
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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
1mo
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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
1mo
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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
2mo
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Staff AI Engineer
Boulder or Charlotte or United States
$190k-$225k/yr HybridFull Time
3+ YOE3+ years in Generative AI/LLMs in production; 6+ years ML; multi-agent systems; Python; distributed systems; cloud; observability; reliability safeguards; startup experience a plus.
Python, Pydantic AI, Agent Harness, Tool-Calling, Code Execution, AWS, GCP, Azure, LLM, Vector Databases
6d
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Senior AI/ML Engineer
New York or Santa Monica or Los Angeles or Palo Alto or Chicago or Washington D.C. or Boston or Colorado or Seattle or San Francisco or San Diego or Reston
OnsiteFull Time
5+ YOE5+ years in AI/ML; hands-on with Azure/AWS; Python; LLMs; data integration; LangChain or similar; cloud security and governance.
Python, Azure, AWS, LangChain, LangSmith, Pydantic AI, APIs, Data Ingestion, Data Lakes, Data Warehouses
2w
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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 Developer 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
45
Fresh sample
61% new in 30d
Salary visibility
86% show pay
Companies appearing in this market
BAE SystemsAtom ComputingLockheed MartinLoft OrbitalNorthrop GrummanSciTecWorkdayHudson River Trading
Work location mix in visible results
Onsite: 47Hybrid: 25Remote: 2