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

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 and in direct support of the Chief Innovation Officer (CIO), the Senior AI Developer/Engineer identifies, prototypes, and helps mature emerging technologies - with an emphasis on AI, machine learning, and generative AI - to improve business processes and operational efficiency. This role leads rapid proof-of-concept development, translates concepts into clear requirements, and partners with BI, Security, Data, and Application teams to design scalable, secure, and compliant solutions. The Senior AI Developer/Engineer builds reference architectures and semantic/domain models for AI services across AWS (including Amazon Aurora/RDS PostgreSQL), Amazon Q, Snowflake Cortex, and Streamlit-based applications, and supports ongoing optimization.

Position Responsibilities:

• Design, develop, and deploy AI, machine learning, and generative AI solutions to solve complex business challenges and enhance operational workflows.
• Partner with the Chief Innovation Officer (CIO) and stakeholders to identify, prioritize, and scope AI/ML/GenAI use cases; define success criteria and proof-of-concept plans.
• Prototype and deliver proofs-of-concept for emerging AI technologies, including large language models (LLMs), natural language processing (NLP), retrieval-augmented generation (RAG), and predictive analytics.
• Translate validated proofs-of-concept into clear functional and non-functional requirements, user stories, acceptance criteria, and operational runbooks for production delivery.
• Build and maintain semantic/domain models (taxonomies, ontologies, and metadata standards) to improve AI search, retrieval, and analytics across Exchange data.
• Develop AI-enabled applications and demos using Streamlit and APIs (e.g., FastAPI/Flask) to support internal users and operational teams.
• Implement solutions that leverage AWS services (including Amazon Aurora/RDS PostgreSQL), Amazon Q, and Snowflake Cortex, and integrate with existing applications and infrastructure.
• Collaborate with the BI, Architecture, and Security teams to integrate AI solutions with existing systems, providing scalability, security, and compliance with organizational standards.
• Collaborate with the QA department to select AI-related testing tools and frameworks (prompt/model evaluation, regression testing) to enhance testing efficiency and accuracy.
• Develop and implement automation solutions for the QA department to streamline testing processes for AI-enabled applications.
• Develop and maintain APIs and microservices to support AI-driven applications and their integration with SaaS platforms.
• Implement and optimize machine learning pipelines, including data preprocessing, feature engineering, model training, evaluation, and deployment.
• Work with data engineers to ensure high-quality data pipelines for training, evaluation, and deploying AI models.
• Create and maintain detailed documentation for AI models, processes, and workflows to support internal teams and ensure knowledge transfer.
• Build and manage CI/CD pipelines for automated deployment and testing of AI solutions.
• Monitor and optimize the performance and cost of AI systems, including troubleshooting and resolving issues in production environments.
• Ensure AI solutions comply with security, privacy, and Standard Operating Procedures (SOPs), including responsible AI guardrails and audit logging.
• Provide technical guidance and mentorship on AI/ML best practices and provide emergency response for AI system issues through on-call support and monitoring escalations.

Requirements

• Colorado resident.
• 7+ years of software engineering experience, including 3+ years delivering AI/ML and generative AI solutions in production environments.
• Proficiency in Java; experience building APIs and lightweight applications using frameworks such as FastAPI/Flask and Streamlit.
• Experience with AI/ML libraries and LLM tooling/evaluation practices (e.g., LangChain/LlamaIndex).
• 3+ years of AWS experience, including IAM/security, networking, logging/monitoring, and data services (Amazon Aurora/RDS PostgreSQL).
• Experience with Snowflake, including Cortex and secure data access patterns; Snowpark experience is a plus.
• Experience with Amazon Q and RAG patterns (embeddings/vector search) and semantic/domain modeling.
• Knowledge of CI/CD pipelines, infrastructure-as-code, and automated testing for AI-enabled applications.
• Strong problem-solving and communication skills; ability to work under deadlines and during incident response/on call; ability to translate concepts into clear requirements; bachelor's degree (or equivalent experience) preferred.

Work Environment:

• Currently working remotely.
• The Connect for Health Colorado office is located 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 $128,750 - $160,680 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: 03/26/2026