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1,242 senior python engineer jobs at 331 companies in Castle Rock, CO

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
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GenAI Python Systems Engineer –Senior Manager
Chicago or Raleigh or Charlotte or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Richmond or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or Silicon Valley or Seattle or Spartanburg or Albany or Stamford or Tampa or Atlanta or Toledo or Austin or Tulsa or Washington or Denver or Des Moines or Detroit or Buffalo or Florham Park or Kansas City or Las Vegas or Little Rock or Los Angeles or Louisville or Birmingham or Fayetteville or Miami or Milwaukee or Minneapolis or Nashville or New Orleans or New York or Oklahoma City or Philadelphia or Phoenix or Pittsburgh or Portland
$124k-$280k/yr HybridFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
8+ YOESenior Manager level with 8+ years of experience; proficient in Python, SQL, FastAPI; cloud certifications a plus; willing to travel up to 80%; Bachelor's degree required.
Python, SQL, FastAPI, Cloud Platforms, LLM techniques, Data Warehousing, Data Lakes, IAM
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3mo
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Senior Test Engineer
Colorado Springs or San Jose
$108k-$155k/yr OnsiteFull Time
Sanmina
SanminaNASDAQ: SANM: Designs and manufactures complex electronics and mechanical systems.
8+ YOEBS in engineering or computer science; 8+ years in test engineering; strong OS knowledge (Linux/Windows/Unix); scripting (Python, Bash); hardware/software interop; BMC/BIOS/SES firmware experience preferred; GPU testing a plus.
Python, Linux, Bash, Git, Jira, Bugzilla, Windows, Unix, BMC, BIOS, SES, GPU testing
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2mo
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RF Engineer Senior
Greenwood Village, Colorado, United States
$100k-$150k/yr OnsiteFull Time
York Space Systems
York Space SystemsNYSE: YSS: Designs and manufactures modular spacecraft platforms and mission solutions.
2+ YOESenior RF engineer with 2-6 years experience; BS in Electrical Engineering or related; expertise in RF system design and links; Python scripting; DoD clearance preferred.
VNA, Spectrum Analyzer, 3D EM Software, Python, Git, SDR
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3mo
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Senior Electrical Engineer – Advanced Concepts
Seattle or Denver or Huntsville or United States
$157k-$220k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
8+ YOEBS in Electrical Engineering; 8+ years in navigation sensor/avionics design; PCB design; hardware-focused; C/C++/Python; strong communication.
navigation sensors, GPS/GNSS, RF, EMI testing, vector network analyzer, spectrum analyzer, oscilloscope, thermal chamber, PCB design, C/C++, Python
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2mo
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Senior Embedded Systems Engineer
Louisville, Colorado, United States
$131k-$175k/yr HybridFull Time
Infleqtion
InfleqtionNYSE: INFQ: Develops neutral-atom quantum computing and precision sensing technologies.
8+ YOEBachelor's degree in engineering or computer science; 8+ years experience; HDL (Verilog/SystemVerilog/VHDL); Linux, Python, Bash; strong communication and collaboration; software engineering practices; eager to learn.
Verilog, SystemVerilog, VHDL, Python, Bash, Git, SpinalHDL, Scala, Rust, Yocto, Buildroot
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Senior Software Engineer
Colorado Springs, Colorado, United States
OnsiteFull Time
NextGen Federal Systems
NextGen Federal Systems: Provides advanced software engineering and mission support to federal agencies.
5+ YOESenior software engineer with 5+ years in aerospace/defense, STK experience, TS/SCI eligibility, strong Python/Flask, React, API integration, Docker, cloud.
STK, STK Engine, STK Components, Cesium, Python, Flask, React, REST, Git, Docker, Cloud, MBSE, Digital Thread
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Senior Power Systems Engineer 2
Westminster, Colorado, United States
$100k-$153k/yr HybridFull Time
Sargent & Lundy
Sargent & Lundy: Engineering and consulting services for the power industry.
7+ YOESenior electrical analyst with EMT experience; 7+ years in time-domain power-system analysis; PSCAD/EMTP-RV proficiency; Bachelor's in Electrical Engineering; Masters/PhD preferred.
PSCAD, EMTP-RV, Python, MATLAB, Excel
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Senior Navigation Engineer, Spacecraft
Broomfield, Colorado, United States
$150k-$200k/yr HybridFull Time
Katalyst Space Technologies
Katalyst Space Technologies: Develops robotic spacecraft for in-orbit satellite servicing and maneuvering.
5+ YOEBachelor’s or higher in Aerospace, Robotics, Computer Vision, or related field; 5+ years in navigation/state estimation/computer vision; strong Python/C++ and OpenCV/ROS; experience with SLAM, visual odometry; leadership of technical projects; flight-like deployment experience.
OpenCV, ROS, Python, C++, SLAM, Visual Odometry
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2mo
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Senior Optical Engineer - Stray Light
Denver, Colorado, United States
$160k-$200k/yr OnsiteFull Time
Xcimer Energy
Xcimer Energy: Developing laser-driven inertial fusion for commercial clean energy
5+ YOE5+ years in stray light analysis and non-sequential optomechanical modeling; expert in FRED; scripting in Python/MATLAB; BS/MS in optical-related field.
FRED, Python, MATLAB
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2mo
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Senior Data Engineer
Denver, Colorado, United States
$144k-$165k/yr HybridFull Time
Ibotta
IbottaNYSE: IBTA: A platform offering cash back rewards for consumer purchases.
5+ YOE5+ years in software or data engineering; Python, SQL, Databricks; data governance and quality; AI tooling experience; Bachelor's in CS/Engineering.
Python, SQL, Databricks, LLM APIs, Context engineering, RAG
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Senior Site Reliability Engineer
Denver, Colorado, United States
$160k-$200k/yr HybridFull Time
Kharon
Kharon: A leading risk analytics providing sanctions compliance and trade controls solutions.
7+ YOE7+ years in infrastructure/DevOps/SRE; AWS, Kubernetes, Terraform; CI/CD with GitHub Actions; Python or Java; observability; security and networking knowledge.
AWS, Kubernetes, Terraform, GitHub Actions, Helm, ArgoCD, Datadog, Prometheus, Python, Java, Cloudflare, Cloudsmith
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Cost Engineer/Senior Cost Engineer
El Segundo or Huntsville or Colorado Springs or Albuquerque or Chantilly or Crystal City or Greenbelt
$117k-$227k/yr HybridFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
8+ YOE12+ MgmtBachelor's in STEM, TS/SCI clearance, 8+ years cost/schedule engineering experience (12+ for senior), ability to develop life-cycle cost estimates, integrate cost/schedule/risk, and communicate to senior leaders.
Python, R, SQL, @RISK, Crystal Ball
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1mo
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Senior Satellite Operations Engineer
Louisville, Colorado, United States
$146k-$185k/yr HybridFull Time
Capella Space
Capella Space: Provides high-resolution satellite radar imagery and geospatial data.
4+ YOEBachelor’s or Master’s in aerospace, math, CS, physics; 4+ years; Python; experience in at least one: astrodynamics, GN&C, EE, comms, thermal, embedded software, propulsion; Git experience.
Python, Git
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2mo
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Senior Security Engineer
Austin or Chicago or Dallas or Denver or Los Angeles or San Diego or San Francisco
$131k-$169k/yr HybridFull Time
Karbon
Karbon: Practice management software for accounting firms.
4+ YOESenior Security Engineer with 4+ years in security or development; strong communication; cloud and AI experience; hands-on with security tooling and threat modelling.
DotnetCSharp, JavaScript, React, EmberJS, Python, Azure, AWS, GCP, PowerShell, Bash, GitHub Copilot, Burp Suite
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2mo
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Senior DevTools Engineer
San Francisco or Boston or New York or Denver
$163k-$247k/yr HybridFull Time
Semgrep
Semgrep: Provides a code security platform for developers and security teams.
5+ YOE5+ years software engineering; experience in developer tooling, software/infrastructure engineering; cloud infrastructure design and deployment; Python and TypeScript proficiency; security-aware mindset.
Python, TypeScript, AWS, GCP, Cloud infrastructure, Developer tooling
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3mo
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Senior Software Algorithm Engineer
Aurora or Philadelphia
$82k-$172k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEBS in STEM fields; 5+ years software development; lead interdisciplinary team; TS/SCI clearance; Python/C/C++, Java, or Rust; domains SDA/SATCOM/SIGINT; willing to polygraph.
Python, C/C++, Java, Rust, Linux, AWS, CUDA, OpenCV, Git, Docker, Kubernetes, S3, EC2, Lambda
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2mo
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Senior Ground Software Engineer, Space
Colorado Springs or Costa Mesa
$165k-$218k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
8+ YOESenior software engineer with 8+ years in languages like Java, Python, C++, Rust; Space C2 experience; clearance eligibility; strong communication.
Go, Rust, C++, Kubernetes, OpenShift, Helm, Python, Java, JavaScript
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1mo
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Senior FPGA Engineer - Control Systems
Boulder or Austin or Berkeley
$140k-$175k/yr OnsiteFull Time
Atom Computing: Building scalable quantum computers using arrays of neutral atoms.
5+ YOESenior FPGA engineer with 5+ years in FPGA/digital design; BS in EE/Physics or related field; strong SystemVerilog, RTL, Xilinx Vivado, Zynq, C/C++, Python; Linux experience; willing to learn quantum concepts.
RTL, SystemVerilog, VHDL, Vivado, Xilinx Zynq, Git, Yocto, C, C++, Python, Linux, Prototyping
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2mo
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Senior Data Engineer
Denver, Colorado, United States
$125k-$145k/yr OnsiteFull Time
AIR Communities
AIR Communities: Owns and operates residential apartment communities across the US.
8+ YOE8+ years in data engineering; proficient in SQL/Python; cloud data platforms; ETL/ELT; data governance; strong problem solving and collaboration.
SQL, Python, Cloud platforms, ETL/ELT, CI/CD, Version control
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2mo
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Senior Electrical Studies Engineer
Westminster, Colorado, United States
$110k-$130k/yr OnsiteFull Time
Westwood Professional Services
Westwood Professional Services: Engineering and design services for infrastructure and energy projects.
7+ YOE5-10 years in electrical plant design and system studies; bachelor’s in Electrical Engineering or power systems; experience with utility-scale renewables; strong modeling software skills.
DIgSILENT PowerFactory, ETAP, PSCAD, SKM PowerTools, PSSE, PSLF, Python, VBA, WinIGS, CDEGS
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