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Aurora • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Aurora • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Aurora • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Aurora • 50 milesRemote · Hybrid · Onsite · Field · All Environments

16 fastapi developer jobs at 11 companies in Aurora, CO

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Backend Engineer - Mission Operations Services

San Francisco or Golden or Toulouse

$140k-$190k/yr OnsiteFull Time

Loft Orbital

Loft Orbital: Deploy and operate satellite missions for organizations and governments.

Production Python development, Docker/container experience, backend web frameworks (Django/Flask/FastAPI), API design (HTTP/GraphQL/REST), and working with databases (Postgres, time-series DBs). Experience operating mission-critical systems preferred.

Python, Docker, Django, Flask, FastAPI, GraphQL, HTTP, REST, Postgres, InfluxDB, TimescaleDB, Kubernetes, Cockpit

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Backend Engineer - Mission Operations Services

Golden or San Francisco or Toulouse

$140k-$190k/yr OnsiteFull Time

Loft Orbital

Loft Orbital: Deploy and operate satellite missions for organizations and governments.

Production Python experience, Docker, backend web frameworks (Django/Flask/FastAPI), API design (HTTP/GraphQL/REST), and strong backend engineering for mission-critical systems; familiarity with databases and observability.

Python, Docker, Django, Flask, FastAPI, GraphQL, HTTP, REST, Postgres, Kubernetes, InfluxDB, TimescaleDB

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Software Engineer II

Centennial or Louisville

$106k-$145k/yr OnsiteFull Time

Sierra Space

Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation

2+ YOEBachelor's degree or equivalent; 2+ years experience; strong programming and software development knowledge; Agile/Scrum/Kanban; ability to obtain/maintain US security clearance.

Python, React, FastAPI, Kubernetes, Docker, Git, AWS, Ansible, Jira, Confluence

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Forward Deployed Engineer

Chicago or Denver or Houston or Minneapolis or New York City

$116k-$223k/yr OnsiteFull Time

Spaulding Ridge

Spaulding Ridge: Global advisory and cloud technology implementation firm.

7+ YOE7+ years consulting or related experience; strong Snowflake architecture, SQL, data modeling, ELT/ETL, dbt, full-stack development (Python, JavaScript/TypeScript), API/integration experience, client advisory and team leadership.

Snowflake, Snowpark, dbt, Fivetran, Boomi, MuleSoft, Workato, Matillion, Apache Airflow, Sigma, Microsoft Power BI, Tableau, Looker, Omni, JavaScript, TypeScript, React, Next.js, Node.js, Python, FastAPI, Flask, .NET, Java, SQL, Git, CI/CD, Streamlit, Cortex, Apache Iceberg, Microsoft Fabric, REST, JSON, OAuth, ELT, ETL, iPaaS

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Software Engineer 2 (Backend AI)

Earth City or Atlanta or Hopkins or Denver or Cincinnati or Brookfield or Irving

$98k-$116k/yr HybridFull Time

U.S. Bank

U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.

3+ YOE3+ years software engineering experience, BS or equivalent, experience with full-stack development, cloud-native and DevOps practices, AI/GenAI familiarity preferred, strong communication and problem-solving skills.

Java, Python, Spring Boot, FastAPI, Node.js, REST APIs, GraphQL, Microservices, Azure, AWS, Azure OpenAI, AWS Bedrock, LLM APIs, LangChain, LangGraph, Semantic Kernel, Docker, Kubernetes, CI/CD Pipelines, GitHub, GitHub Copilot, SQL Server, PostgreSQL, MongoDB, Vector Databases, Embedding Models, RAG

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Senior Data Engineer

Denver, Colorado, United States

$140k-$170k/yr HybridFull Time

Snooze an A.M. Eatery

Snooze an A.M. Eatery: Casual dining restaurant chain specialized in breakfast and brunch.

5+ YOE5+ years data engineering experience with Snowflake, Airflow, dbt, SQL and Python; experience deploying ML in AWS, building APIs (FastAPI/Flask), prompt engineering/AI integration; authorized to work in the U.S.; 3 days/week in Denver office.

Snowflake, AWS S3, dbt, Apache Airflow, FastAPI, Flask, SQL, Python

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API Integrations Developer

Denver, Colorado, United States

$119k-$133k/yr HybridFull Time

Colorado Access

Colorado Access: Provides managed care and health insurance for Medicaid members.

4+ YOEBachelor's in CS or related required; 4+ years backend experience (Python, Node.js, Java, or .NET); HL7 FHIR and X12 EDI experience; strong REST API, security (OAuth2, JWT, mTLS), SQL, and HIPAA knowledge; experience with cloud and CI/CD.

Python, Flask, FastAPI, Django, Node.js, Java, .NET, OpenAPI/Swagger, Postman, X12 EDI, HL7 FHIR, HL7 v2, CDA, EHRs, Docker, Kubernetes, GitHub Actions, Azure DevOps, Jenkins, ELK, Datadog, Prometheus, Grafana, AWS, Azure, GCP, SQL Server, Snowflake, Data Vault 2.0, pytest, JUnit, Pact, k6, Locust, OAuth2, JWT, mTLS, RBAC/ABAC, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Microsoft SharePoint

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GenAI Python Systems Engineer –Senior Manager

Chicago or Raleigh or Charlotte or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Richmond or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or Silicon Valley or Seattle or Spartanburg or Albany or Stamford or Tampa or Atlanta or Toledo or Austin or Tulsa or Washington or Denver or Des Moines or Detroit or Buffalo or Florham Park or Kansas City or Las Vegas or Little Rock or Los Angeles or Louisville or Birmingham or Fayetteville or Miami or Milwaukee or Minneapolis or Nashville or New Orleans or New York or Oklahoma City or Philadelphia or Phoenix or Pittsburgh or Portland

$124k-$280k/yr HybridFull Time

PwC

PwC: Providing audit, tax, and management consulting services to businesses.

8+ YOESenior Manager level with 8+ years of experience; proficient in Python, SQL, FastAPI; cloud certifications a plus; willing to travel up to 80%; Bachelor's degree required.

Python, SQL, FastAPI, Cloud Platforms, LLM techniques, Data Warehousing, Data Lakes, IAM

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Software Engineer III

Centennial or Louisville

$130k-$178k/yr OnsiteFull Time

Sierra Space

Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation

5+ YOERequires bachelor’s degree and 5+ years experience; proficient in multiple languages; able to mentor; U.S. security clearance required.

Git, GitHub, GitLab, Bitbucket, Docker, Kubernetes, Helm, ArgoCD, Python, React, FastAPI, AWS, JIRA, Confluence, Bash, PowerShell, Ansible, MySQL, PostgreSQL, MongoDB

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Agentic AI Engineer

Golden or Houston

HybridFull Time

Fervo Energy

Fervo Energy: Generates clean electricity using advanced geothermal drilling technology.

2+ YOEBachelor’s or Master’s in Computer Engineering or Data Science; 2+ years building agentic AI/LLM apps; strong Python; experience with agent frameworks; cloud experience (Azure/AWS); CI/CD; Docker; observability.

Python, FastAPI, LangChain, LangGraph, LlamaIndex, AutoGen, Semantic Kernel, Anthropic Claude, OpenAI, Azure OpenAI, vector databases, pgvector, Pinecone, Weaviate, Chroma, Databricks, Snowflake, dbt Semantic Layer, Docker, Terraform, Git, CI/CD, Streamlit, Gradio, React, Entra ID, Key Vault, App Service, Azure, Azure Data Lake Storage (ADLS), Azure Data Factory

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Sr Software Engineer, Ground Software

Centennial or Louisville

$157k-$215k/yr OnsiteFull Time

Sierra Space

Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation

8+ YOEBachelor's degree or equivalent, 8+ years experience, multiple programming languages, design/architect complex software, Agile/Scrum, leadership, security clearance eligibility.

Python, React, Git, GitHub, GitLab, Bitbucket, FastAPI, Kubernetes, Helm, ArgoCD, JIRA, Confluence, Bash, PowerShell, Ansible, Docker, AWS, MySQL, PostgreSQL, MongoDB

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Data Engineer

Denver, Colorado, United States

$120k-$160k/yr HybridFull Time

Kharon

Kharon: A leading provider of global risk analytics and sanctions compliance solutions.

3+ YOE3+ years of experience; BS/MS in Computer Science; Python, Pandas, PySpark; SQL; AWS Glue, Airflow, Kafka; Databricks/Snowflake; Docker, Kubernetes; strong communication.

Python, Pandas, PySpark, Notebooks, SQL, AWS Glue, Airflow, Kafka, Databricks, Snowflake, Docker, Kubernetes, FastAPI, Flask, Spring Boot, Elasticsearch

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Senior Data Engineer

Denver, Colorado, United States

$160k-$200k/yr HybridFull Time

Kharon

Kharon: Global risk analytics platform for sanctions compliance and risk management.

3+ YOE3+ years in data/software engineering; BS/MS CS or related; Python, Pandas, PySpark; SQL; data pipelines; ETL/data warehousing; Docker/Kubernetes; strong communication.

Python, Pandas, PySpark, SQL, AWS Glue, Airflow, Kafka, Databricks, Snowflake, Docker, Kubernetes, FastAPI, Flask, Spring Boot, Elasticsearch

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3mo

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Sr AI/ML Engineer

Irving or Chicago or Centennial

$102k-$179k/yr HybridFull Time

Vizient: Provides performance improvement and supply chain services to hospitals

5+ YOE5+ years in ML engineering; production ML deployment; LLM/RAG; Python; CI/CD; cloud; vector DBs; LangChain/LlamaIndex; build scalable AI solutions.

Python, FastAPI, MLflow, LangChain, LlamaIndex, vector databases, embedding workflows, CI/CD, containerization, cloud

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Agentic AI Architect - Intelligence Engineering (West)

Denver or East Bay or Los Angeles or Orange County or Phoenix or Portland or Salt Lake City or San Diego or San Francisco or Seattle or Silicon Valley

$108k-$237k/yr HybridFull Time

Slalom

Slalom: Provides business and technology consulting and software engineering services.

5+ YOE5+ years software engineering experience with 2+ years on generative/agentic AI, multi-agent system design, RAG architectures, cloud AI platform deployment, Python proficiency, and strong communication skills.

Python, FastAPI, Flask, Lang Graph, Strands Agents SDK, OpenAI Agents SDK, Google ADK, LangSmith, Model Context Protocol (MCP), AWS Bedrock, Azure AI Foundry, OpenAI Service, GCP Vertex AI, Gemini, Databricks, Claude Code, Cursor, Kiro, RAGAS, DeepEval

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Staff Software Engineering Manager

Aurora or King of Prussia

$99k-$207k/yr HybridFull Time

CACI International

CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.

8+ YOE3+ MgmtTS/SCI required; bachelor’s in CS/Engineering; 8+ years software development, 3+ years leadership; proficiency with backend languages (Python, Java, C#, Go), cloud (AWS/Azure/GCP), relational and NoSQL databases, Git and CI/CD.

Python, Java, C#, Go, Node.js, Express, NestJS, Django, Flask, FastAPI, Spring Boot, Quarkus, .NET Core, Ruby/Rails, PostgreSQL, MySQL, MongoDB, Redis, SQL, ORMs, Git, CI/CD, AWS, Azure, GCP

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