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Python Fastapi Developer Jobs in Colorado (NOW HIRING)

Piper Companies

Backend Engineer (CLEARED)

Denver, CO

$120K - $180K/yr

... fastapi, flask, django, async python, asyncio, devops, sre, observability, logging, monitoring, cloud security, iam, vpc, networking, api gateway, serverless, mission critical systems #LI-Onsite #LI ...

CACI bv

Software Engineer (Front End)

Aurora, CO · On-site

Collaborate with backend engineers to integrate UI components with Python services (FastAPI/Flask) running on AWS. • Cloud-Native Development: Deploy and maintain frontend assets within an AWS ...

Rocket Lab

Senior Ground Software Engineer I/II

Littleton, CO · On-site

$120.20K - $158.40K/yr

... Python web frameworks (FastAPI or equivalent) • Deep knowledge of microservice architectures and ... engineering teams • Ability to produce clear, well-structured, and well-documented software ...

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Python Fastapi Developer information

What is a Python FastAPI Developer job?

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.
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Infographic showing various Python Fastapi Developer job openings in Colorado as of May 2026, with employment types broken down into 90% Full Time, and 10% Contract. Highlights an 100% In-person job distribution.
Backend Engineer (CLEARED)

Backend Engineer (CLEARED)

Piper Companies

Denver, CO

$120K - $180K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 17 days ago

Job description

Zachary Piper Solutions is seeking a Backend Engineer to support a nextgeneration federal missionsoftware program focused on modernizing cloudnative operations. This position is based in a hybrid environment with locations including Washington, DC, Arlington, VA, Seattle, San Francisco, Los Angeles, and Denver. The Backend Engineer will design, build, and maintain backend services, APIs, and cloudintegrated capabilities that directly support missioncritical federal operations. This is an excellent opportunity for an engineer who wants to work with modern technologies, contribute to highimpact systems, and grow within a fastmoving, missiondriven environment.
ACTIVE SECRET SECURITY CLEARANCE REQUIRED
Primary Responsibilities:
• Develop backend services and APIs using Python in a production environment
• Integrate AWS services including EC2, Lambda, ECS/EKS, S3, RDS, CloudWatch, and Fargate
• Build and maintain GraphQL or REST interfaces for missioncritical applications
• Support AI/LLM integrations with platforms such as OpenAI, Anthropic, and AskSage
• Implement scalable, secure, and costefficient cloud architectures
• Troubleshoot backend issues, optimize performance, and improve system reliability
• Collaborate with frontend engineers, AI engineers, and product teams in an Agile environment
• Contribute to CI/CD pipelines, DevSecOps tooling, and infrastructure automation using Terraform or similar IaC tools
Required Qualifications:
• Bachelor's degree in Computer Science or related field (or equivalent handson experience)
• 3+ years of professional backend or fullstack engineering experience
• Strong proficiency in Python and API development (REST or GraphQL)
• Experience with AWS services (Lambda, ECS/EKS, EC2, S3, RDS, CloudWatch)
• Handson experience with Docker and containerized applications
• Familiarity with Kubernetes deployments (EKS preferred)
• Experience with Terraform or other InfrastructureasCode tools
• Strong Git workflow experience (GitHub/GitLab)
• U.S. Person status and ability to obtain a U.S. Security Clearance
Preferred Experience (Not Required):
• Experience integrating AI/LLM APIs (OpenAI, Anthropic, AskSage)
• Background in cloudnative distributed systems
• Experience in startup or fastpaced engineering environments
• Strong troubleshooting, debugging, and performance optimization skills
Compensation & Benefits:
• Competitive salary range: $120,000 - $180,000 (depending on experience)
• Equity opportunities depending on program
• Comprehensive benefits package including PTO, paid holidays, medical, dental, vision, 401(k), and sick leave
• Hybrid work flexibility depending on location
Keywords:
Keywords:
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