63 backend python developer jobs at 37 companies in Castle Rock, CO
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
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.
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).
Loft Orbital: Deploy and operate satellite missions for organizations and governments.
Proficiency in Python and Docker, backend/API design and database interaction, experience with space mission technologies, strong communication and product mindset.
Volley Automation: Automated robotic parking systems for space-constrained locations.
BS in CS or related required (MS preferred). Strong backend development experience with Python/JavaScript, web services, cloud platforms (AWS/GCP/Azure), databases, Git and CI/CD. Must be able to work on-site or in the field at least 3 days/week.
Senior Backend Engineer (Ruby on Rails/Python) - Content Foundations
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Miami or New York City or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Washington, D.C. or Ottawa or Toronto or Vancouver or Mexico City
$120k-$217k/yrHybridFull Time
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
7+ YOE7+ years software engineering; experience with ingestion pipelines, ETL, and content processing; proficient in Ruby, Python, or Go; AWS and distributed workflows; strong DB design; effective communicator.
LMI: Provides management consulting and digital solutions to federal government agencies.
5+ YOEBachelor's in CS/CE or related, 5+ years backend development, proficiency in Python/Java/Node.js, RESTful API design, experience with PostgreSQL/MongoDB, familiarity with Django/Flask/Spring and Git, ability to work with data-intensive systems.
Python, Java, Node.js, PostgreSQL, MongoDB, Django, Flask, Spring Framework, Git, Amazon Web Services (AWS), Microsoft Azure, Docker
Senior Backend Engineer, Space Operations Intelligence & Autonomy (SOIA)
Colorado Springs or Alabama or Arizona or California or Colorado or District of Columbia or Florida or Georgia or Hawaii or Illinois or Indiana or Kansas or Massachusetts or Maryland or Michigan or Minnesota or Missouri or Montana or North Carolina or New Jersey or New Mexico or Nevada or New York or Ohio or Oklahoma or Oregon or Rhode Island or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or West Virginia or United Kingdom
$150k-$200k/yrOnsiteFull Time
Slingshot Aerospace: Software and data analytics for space operations management.
5+ YOE5+ years software development, bachelor’s in CS or related, active security clearance (Top Secret preferred), experience with Java/Kotlin, Python, cloud (AWS), containers, distributed systems, Kafka, databases, and API design.
In-Depth Engineering: Develops combat systems and radar software for the US military.
2+ YOEU.S. citizen with valid passport and active Secret clearance; Bachelor's in CS/CE/SE or STEM; 2+ years professional experience; experience with Rust/C, Java, Docker, gRPC, and full SDLC.
Back-end Ground Software Engineer III - Lunar Permanence
Denver or Seattle or Littleton
$151k-$231k/yrOnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
5+ YOEB.S. in software/engineering,5+ years software development,proven Python and/or Rust experience,EMBEDDED/DevOps skills,React integration,Linux proficiency,CI/CD and full lifecycle experience,US work authorization required.
EchoStarNasdaq: SATS: Global provider of satellite solutions and wireless communications services.
5+ YOEBachelor's degree or equivalent and 5+ years backend software/systems engineering experience; strong backend programming (Go, Python, Rust, C++), DRM and ABR streaming knowledge, observability, cloud and AI tool proficiency.
Doowii: AI-powered data analytics platform for educational institutions.
5+ YOEBS or equivalent, 5+ years backend engineering experience, strong Python and SQL skills, distributed systems and cloud (AWS/GCP/Azure) experience, data pipelines, APIs, observability, and experience with AI/LLM integrations; technical leadership and mentoring.
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
7+ YOE7+ years building data pipelines or distributed backend systems with Python; hands-on AWS, CI/CD, Terraform, Kubernetes; Snowflake/Spark and SQL experience; bachelor’s degree preferred.
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOE5+ years in web development; strong React.js and JavaScript/TypeScript; backend with Flask (Python) and Express.js (Node); PostgreSQL and RESTful APIs; Git; TS/SCI clearance required.
Maxar Intelligence: Providing satellite imagery and geospatial intelligence for global security.
3+ YOEU.S. citizen with active TS/SCI clearance, bachelor\u0002s in Software Engineering or STEM, 3+ years experience, familiarity with Java/C++/Python, frontend and backend development, containerized microservices, CI/CD, Agile, and collaboration tools.
Frontera Health: AI-driven platform for automating and improving autism clinical care.
7+ YOE7+ years software engineering with backend focus; experience designing and scaling backend systems, APIs, distributed systems, and data platforms; proficiency in Python or Node.js and relational/NoSQL databases; strong system design and communication skills.
Strategic Retail Partners: Provides in-store merchandising and distribution solutions for retailers.
10+ YOE10+ years full-stack development with strong backend focus; proficiency in Kotlin/Java and PL/SQL; deep Oracle DB knowledge; cloud (OCI) experience; strong troubleshooting and collaboration skills.
nou Systems: Provides engineering and technology solutions for defense and space systems.
3+ YOEMid-level ML engineer with 3+ years in ML/data science/backend, Python/PyTorch, Linux, containers, GitLab; US citizenship and ability to obtain Secret clearance.
Python, PyTorch, Linux, Docker, Podman, GitLab, VS Code, Dev Containers, Remote SSH, Kubernetes, CI/CD