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Senior Fastapi Developer Jobs in Denver, CO (NOW HIRING)

CACI

Software Engineer

Aurora, CO · On-site

... senior engineers. You'll implement well-architected solutions, collaborate across teams to deliver ... as REACT and FastAPI Collaboration & Communication: Ability to work effectively on a team ...

Vizient

Sr AI/ML Engineer

Englewood, CO · On-site

$102K - $179K/yr

We are seeking engineers who are driven, curious, and energized by the pace of AI innovation ... Experience with model serving frameworks and API development (e.g., FastAPI, MLflow, etc.) required.

Vizient, Inc.

Sr AI/ML Engineer

Centennial, CO · On-site

$102K - $179K/yr

We are seeking engineers who are driven, curious, and energized by the pace of AI innovation ... Experience with model serving frameworks and API development (e.g., FastAPI, MLflow, etc.) required ...

LightTable AI

Engineering Manager

Denver, CO · On-site

... for it. * Senior staff-level technical depth, roughly a P6/L6 engineer with M3 management ... Strong experience with modern React and with Python (FastAPI), or comparable full-stack depth you ...

LightTable

Engineering Manager

Denver, CO · On-site

$260K - $280K/yr

... for it. * Senior staff-level technical depth, roughly a P6/L6 engineer with M3 management ... Strong experience with modern React and with Python (FastAPI), or comparable full-stack depth you ...

LightTable, Inc.

Engineering Manager

Denver, CO · On-site

... for it. * Senior staff-level technical depth, roughly a P6/L6 engineer with M3 management ... Strong experience with modern React and with Python (FastAPI), or comparable full-stack depth you ...

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Senior Fastapi Developer information

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How much do senior fastapi developer jobs pay per hour?

As of Sep 11, 2026, the average hourly pay for senior fastapi developer in Denver, CO is $63.54, according to ZipRecruiter salary data. Most workers in this role earn between $53.94 and $71.25 per hour, depending on experience, location, and employer.

What does a Senior FastAPI Developer do?

A Senior FastAPI Developer designs, develops, and maintains backend web applications using the FastAPI framework in Python. They are responsible for building scalable APIs, optimizing performance, ensuring security best practices, and integrating with databases and external services. Senior developers also mentor junior team members, contribute to architecture decisions, and collaborate closely with front-end engineers and stakeholders to deliver robust software solutions.

What are the key skills and qualifications needed to thrive as a Senior FastAPI Developer?

To thrive as a Senior FastAPI Developer, you need deep expertise in Python, RESTful API design, and experience building scalable web backends, typically supported by a degree in computer science or related field. Familiarity with FastAPI, Docker, cloud platforms (such as AWS or Azure), and CI/CD tools is highly valued, along with proficiency in testing frameworks. Strong problem-solving, leadership, and communication skills help you collaborate effectively with cross-functional teams and mentor junior developers. These skills enable the delivery of robust, efficient, and maintainable APIs that support business goals and high user demands.

What are some common challenges faced by Senior FastAPI Developers when scaling applications, and how can these be addressed?

Senior FastAPI Developers often encounter challenges related to managing high concurrency, optimizing API performance, and ensuring robust security as applications scale. To address these, it’s important to implement asynchronous programming practices, leverage efficient database queries, and utilize API gateways for better traffic management. Collaboration with DevOps and QA teams is also essential to automate deployments and monitor system health, ensuring smooth scaling and reliable user experiences.

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Senior Fastapi Developer jobs near you
Infographic showing various Senior Fastapi Developer job openings in Denver, CO as of September 2026, with employment types broken down into 86% Full Time, 5% Part Time, and 9% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $132,159 per year, or $63.5 per hour.

AI Developer/Engineer

Denver, CO • On-site

Connect for Health Colorado
Non-Profits • 1 - 10 employees
Learn more about Connect for Health Coloradoexternal

$111K - $145K/yr

Full-time

Medical, Life, Retirement, PTO

Re-posted 16 days ago

Job description

Job Type
Full-time
Description
Connect for Health has a great opportunity for an AI Developer/Engineer.
Connect for Health Colorado is a public, non-profit entity established by the Colorado General Assembly in 2011 to create a health insurance Marketplace. Since 2013, we've been helping individuals, families, and small employers compare plans, apply for financial help, and buy health insurance. As Colorado's official health insurance marketplace, we are the only place to apply for financial help to lower the monthly cost of premiums. Customers can shop online; get help by phone or online chat from Customer Service Center representatives; and access expert help from a statewide network of certified Brokers and community-based Assisters. Our mission is to increase access, affordability, and choice for individuals and small employers purchasing health insurance in Colorado. For more information: ConnectforHealthCO.com
Position Summary:
As a member of the Architecture team, the AI Developer/Engineer supports the Senior AI Developer/Engineer and partners with cross-functional teams to design, develop, and enhance AI and machine learning capabilities that improve internal operations and staff productivity. This role focuses on delivering incremental improvements, prototypes, and staff-facing tools (including Streamlit-based applications), implementing retrieval-augmented generation (RAG) patterns, and integrating solutions with AWS services, Amazon Q (as applicable), and Snowflake (including Cortex where appropriate). The AI Developer/Engineer contributes to secure, responsible, and maintainable AI-enabled applications through documentation, testing, monitoring, and continuous optimization.
Position Responsibilities:
  • Support the Senior AI Developer/Engineer and CIO-sponsored initiatives by delivering enhancements, prototypes, and internal tools that improve staff efficiency and consumer support.
  • Collaborate with business owners and technical teams to gather requirements, document user stories/acceptance criteria, and translate needs into implementable AI/ML solutions.
  • Develop and enhance internal AI-enabled applications and demos using Streamlit and related web frameworks for knowledge assistance, workflow automation, and analytics.
  • Implement and maintain retrieval-augmented generation (RAG) solutions, including document ingestion, chunking, embeddings, vector search, and prompt orchestration.
  • Integrate AI applications with AWS services and data platforms, including Amazon Aurora/RDS PostgreSQL, S3, and approved AI services; follow security and access control standards.
  • Use Snowflake (including Snowflake Cortex where appropriate) to support AI/ML workloads, data preparation, and secure data access patterns.
  • Leverage Amazon Q (as applicable) and related enterprise assistant patterns to support internal users and knowledge discovery.
  • Contribute to semantic/domain models (taxonomies, metadata, reference data) that improve retrieval quality and reporting.
  • Write clean, testable Java code; build APIs/services; and contribute to CI/CD pipelines and automated testing.
  • Monitor AI application performance (quality, latency, cost) and assist with troubleshooting, incident response, and continuous improvement.
  • Ensure responsible AI practices: privacy, PII/PHI handling, bias awareness, auditability, and documentation; follow SOPs and security policies.
  • Participate in IT operations activities (standups, change management, documentation, knowledge transfer) and support end users with training and adoption.

Requirements
  • Colorado resident.
  • 3+ years of software engineering or data engineering experience, including building production Java applications.
  • Hands-on experience with AI/ML or generative AI (LLMs, embeddings, RAG) through professional work, projects, or equivalent experience.
  • Experience building lightweight web apps or APIs using Streamlit, FastAPI/Flask, or similar frameworks.
  • Working knowledge of AWS (IAM, S3, logging/monitoring, and common deployment patterns); experience with PostgreSQL/Aurora/RDS preferred.
  • Experience with SQL and data platforms; familiarity with Snowflake and Snowflake Cortex is a plus.
  • Familiarity with version control (Git), CI/CD, and automated testing practices.
  • Understanding of secure software development and handling sensitive data; ability to follow organizational security/privacy requirements.
  • Strong communication skills and ability to work with stakeholders to refine requirements and support user adoption; bachelor's degree (or equivalent experience) preferred.

Work Environment:
  • Currently working remotely.
  • The Connect for Health Colorado office is in the North Tech Center area of Denver, near the intersection of I-25 and I-225.
  • Work schedule may include some non-traditional hours, weekends, and evening events.
  • Core office hours are typically 8 am-5 pm with some flexibility.

Total Compensation:
Connect for Health Colorado offers a competitive benefits package. Employees are offered a robust benefits package and may elect from various offerings to tailor a package best suited to their individual needs. Connect for Health Colorado employees are eligible to participate in the organization's 403(b) plan and are additionally provided with paid time off, short-term and long-term disability, and life insurance. The salary range for this position is $111,240 - $145,230 yearly.
To Apply:
Please apply on our Career page at https://connectforhealthco.com/about-us/employment/ .
Connect for Health Colorado is an equal opportunity employer (EOE). Connect for Health Colorado may, at its discretion, conduct a background check on any workforce member and/or require job candidates to successfully complete a background check as a condition of employment.
Application Deadline: This will be posted for a minimum of 30 business days or until a sufficient candidate pool has been collected. Job posting may come down early due to volume of applicants. *Post date: 03/27/2026
Salary Description
$111,240 - $145,230

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