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Python Fastapi Developer Jobs in Colorado (NOW HIRING)

Navtech, Inc.

Full-Stack Python Developer

Eagle, CO · On-site

Bachelor's degree in engineering (IT, Computer Science or equivalent) At least 4-5 years of extensive experience in Python and its Frameworks (Django, FastAPI, and Flask). Experience in managing SQL ...

eTeam

Generative AI Developer

Denver, CO · On-site

Responsibilities : • Strong Python development • FastAPI • ML libraries • ML frameworks • ... Bachelor's or Master of Engineering Preferred : • Experience with enterprise systems SAP, Client ...

Sphinx Defense

Backend Engineer

Colorado Springs, CO · Hybrid

$138K - $167K/yr

As a Backend Engineer you will lead the development of core platform services, designing and ... You have extensive experience with Python, FastAPI, postgres, AWS, Docker, Kubernetes, Terraform

Protingent

Software Engineer III

Louisville, CO · On-site

$129K - $178K/yr

Software Engineer III Position Description: Protingent Staffing has an exciting Direct Hire ... Experience with Python FastAPI * Experience with Kubernetes, Helm, and ArgoCD for application ...

Protingent

Software Engineer II

Louisville, CO · On-site

$105K - $145K/yr

Position Title: Software Engineer II Position Description: Protingent Staffing has an exciting ... Experience with Python FastAPI * Experience with Kubernetes, Helm, and ArgoCD for application ...

Sphinx Defense

Backend Engineer

Colorado Springs, CO · On-site

$138K - $167K/yr

Founded by engineers and technologists with deep experience across commercial and defense ... You have extensive experience with Python, FastAPI, postgres, AWS, Docker, Kubernetes, Terraform

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Python Fastapi Developer information

What is a Python FastAPI developer?

A Python FastAPI Developer is responsible for designing, developing, and maintaining backend applications using FastAPI, a modern web framework for building APIs with Python. They work on creating high-performance APIs, integrating with databases, implementing authentication, and ensuring scalability. This role often involves working with asynchronous programming, cloud services, and containerization tools like Docker. Developers collaborate with teams to create efficient, secure, and well-documented API endpoints for web and mobile applications.

What are the key skills and qualifications needed to thrive in the Python FastAPI developer position, and why are they important?

To thrive as a Python FastAPI Developer, you need strong proficiency in Python programming, experience designing RESTful APIs with FastAPI, and a background in web development concepts. Familiarity with version control systems like Git, containerization tools such as Docker, and knowledge of cloud platforms or SQL/NoSQL databases are commonly required, and certifications in cloud services or Python development can be advantageous. Excellent problem-solving skills, effective communication, and the ability to collaborate in agile teams help developers contribute efficiently to complex projects. These competencies ensure robust, scalable backend solutions and smooth coordination within development teams to meet business goals.

What are some typical daily tasks for a Python FastAPI developer?

A Python FastAPI Developer typically spends their day designing, developing, and maintaining RESTful APIs to support web or mobile applications. This involves writing clean and efficient Python code, collaborating with frontend developers or other backend engineers to integrate new features, and ensuring the application meets performance and security standards. Developers also participate in code reviews, debugging, and continuous integration processes, while regularly communicating with product managers or stakeholders to align on project requirements. Staying up to date with FastAPI enhancements and industry best practices is also a common part of the role.

What are popular job titles related to Python Fastapi Developer jobs in Colorado? For Python Fastapi Developer jobs in Colorado, the most frequently searched job titles are:
What job categories do people searching Python Fastapi Developer jobs in Colorado look for? The top searched job categories for Python Fastapi Developer jobs in Colorado are:
What cities in Colorado are hiring for Python Fastapi Developer jobs? Cities in Colorado with the most Python Fastapi Developer job openings:
Python Fastapi Developer jobs near you
Infographic showing various Python Fastapi Developer job openings in Colorado as of July 2026, with employment types broken down into 90% Full Time, and 10% Contract. Highlights an 100% In-person job distribution.

Mid-Senior Full Stack Developer

CACI International Inc

Aurora, CO • On-site

Full-time

Re-posted 7 days ago

Job description

Job Summary:
CACI International Inc is seeking a Mid-Senior Full Stack Developer to design and build the primary touchpoint between their platform and its customers. This role involves engineering responsive web applications and architecting an API layer to deliver real-time data while ensuring compliance with government security requirements.
Responsibilities:
• Design and maintain responsive front-end applications using React, handling complex data visualization and high-concurrency use cases for external partners.
• Build and maintain scalable RESTful and GraphQL APIs using Node.js, Python (FastAPI/Flask), or Java (Spring Boot) for third-party data access.
• Implement authentication and authorization patterns including OAuth2, OIDC, mTLS, and RBAC to ensure secure external data access.
• Design and optimize relational (PostgreSQL) and non-relational (Elasticsearch, Redis) data store interactions.
• Containerize applications with Docker and deploy to Kubernetes on AWS in coordination with the DevSecOps team.
• Ensure all code meets DISA STIG requirements and addresses the OWASP Top 10 throughout the development lifecycle.
• Integrate with GitLab CI/CD pipelines and Helm charts for deployment across environments.
• Conduct code reviews, provide technical guidance for junior developers, and serve as the SME for third-party API integration.
• Maintain technical documentation, API specifications, and integration guides.
Qualifications:
Required:
• Current TS/SCI clearance with Polygraph.
• Bachelor’s degree in Computer Science or related field, or equivalent experience.
• 5+ years (mid-level) or 10+ years (senior-level) of full-stack software engineering experience.
• Advanced proficiency in JavaScript/TypeScript and React, including Redux and Context API.
• Strong experience building APIs with Node.js, Python (FastAPI/Flask), or Java (Spring Boot).
• Proficiency with Docker — writing Dockerfiles, building hardened images, and integrating with CI/CD pipelines.
• Familiarity with GitLab CI/CD, Helm, and Kubernetes deployment.
• Comfortable working in an agile, distributed team environment.
• Ability to travel up to 5%.
Preferred:
• Experience with data visualization libraries such as D3.js or Recharts.
• Familiarity with GraphQL federation and advanced API design patterns.
• Experience with AWS services including ECS/EKS, API Gateway, CloudFront, and RDS.
• Working knowledge of OAuth2, OIDC, mTLS, and modern API security patterns.
• Knowledge of the OWASP Top 10 and STIG-compliant development practices.
• Exposure to Elasticsearch query optimization and index management at scale.
• Familiarity with RHEL 9 hardening and STIG compliance at the OS and container level.
• Relevant certifications: AWS Developer Associate, CKAD, or CompTIA Security+.
Company:
At CACI International Inc (NYSE: CACI), our 27,000 talented and dynamic employees are ever vigilant in delivering distinctive expertise and technology to meet our customers’ greatest challenges in national security. Founded in 1962, the company is headquartered in Arlington, USA, with a team of 10001+ employees. The company is currently Late Stage.

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