27 fastapi jobs at 20 companies in Colorado

2mo
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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
2w
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Senior Backend Software Engineer
Arkansas or California or Colorado or District of Columbia or Florida or Illinois or Massachusetts or Maryland or Maine or Michigan or New Jersey or Ohio or Pennsylvania or South Carolina or Texas or Utah or Virginia or Washington
$165k-$195k/yr RemoteFull Time
SITE Technologies
SITE Technologies: Provides AI-powered property condition assessments and management software.
5+ YOE5+ years backend development experience with Python and FastAPI, strong backend architecture, relational modeling, AWS services, Docker, CI/CD, and cross-team communication.
Python, FastAPI, PostgreSQL, SQLAlchemy, Alembic, Flyway, AWS, ECS, Lambda, RDS, S3, IAM, Docker, Git, CI/CD, GitHub Actions, AWS CodePipeline, Claude Code, Cursor, Terraform, Terragrunt, Datadog, Sentry, LangGraph, Claude Code SDK, Amazon Bedrock
1mo
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Senior Software Engineer
New York City or Arizona or California or Colorado or Connecticut or Florida or Georgia or Maine or Maryland or Massachusetts or Michigan or Minnesota or New Jersey or New York or North Carolina or Oregon or Rhode Island or South Carolina or Tennessee or Texas or Virginia or Utah or Wisconsin
$165k-$185k/yr RemoteFull Time
Electric
Electric: Provides automated IT management and security services for businesses.
8+ YOE8+ years backend experience with modern Python stack, leadership experience, proficiency in Postgres/SQLAlchemy, AWS, Terraform, FastAPI, React/TypeScript, observability, and familiarity with AI-assisted development.
Python, FastAPI, Pydantic, PostgreSQL, SQLAlchemy, Alembic, Temporal, Redis, AWS RDS, AWS S3, AWS SQS, AWS DynamoDB, AWS ECS, AWS IAM, Terraform, React, TypeScript, Claude Code
3w
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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
2w
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Senior Backend Engineer
Colorado Springs, Colorado, United States
$160k-$185k/yr HybridFull Time
Sphinx Defense
Sphinx Defense: Develops software for secure satellite and space mission operations.
5+ YOE5+ years software engineering experience; strong Python, FastAPI, Postgres, AWS, Docker, Kubernetes, Terraform; cloud architecture, API/backend development, security focus, mentorship and customer integration skills.
Python, FastAPI, Postgres, AWS, Docker, Kubernetes, Terraform
1d
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Data Scientist
California or Colorado or Connecticut or District of Columbia or Delaware or Florida or Georgia or Illinois or Indiana or Massachusetts or Maryland or Michigan or Minnesota or North Carolina or New Hampshire or New Jersey or Nevada or New York or Ohio or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Virginia
$90k-$120k/yr RemoteFull Time
Great Gray
Great Gray: Provides trustee and administrative services for collective investment trusts.
3+ YOE3+ years as a data scientist/ML engineer with production ML experience; strong Python, pandas, NumPy, scikit-learn, FastAPI, SQL, and cloud (Azure/AWS) skills; experience deploying and monitoring models.
Python, pandas, NumPy, PyDantic, FastAPI, scikit-learn, SQL, Azure, AWS, Azure AI Foundry, AWS Bedrock, Cursor, Claude, Angular, React, C#, .NET, MSSQL, Postgres, Databricks, Cypress, Docker, GitHub, SonarQube
3d
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Software Engineer - MID
Colorado Springs, Colorado, United States
$109k-$147k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
5+ YOETS/SCI clearance, US citizenship, 5+ years software development, Bachelor’s in CS or related, proficient in Python and JavaScript/TypeScript, Flask/FastAPI, Postgres, SQLAlchemy, Git; experience with AWS, Docker, Kubernetes, CI/CD.
Python, JavaScript, TypeScript, Streamlit, React, Flask, FastAPI, Postgres, SQLAlchemy, Elasticsearch, AWS, Docker, Kubernetes, Git, CI/CD
1mo
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Technical Commerce & AI Manager | Agentic Commerce
Chicago or Milwaukee or Herndon or Dallas or Columbus or Kirkland or Irvine or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Arlington or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or Morristown or San Francisco or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$266k/yr OnsiteFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
8+ YOE8+ years delivering digital commerce or marketing-technology transformations; hands-on Python and SQL experience; experience with Generative/Agentic AI, Agentic AI frameworks, cloud deployments (AWS/Azure/GCP), FastAPI, Databricks, CI/CD and Kubernetes; consulting and stakeholder leadership.
Python, SQL, LangChain, LlamaIndex, CrewAI, AutoGen, LangGraph, FastAPI, Databricks, AI/BI Genie, LLM-as-a-Judge, Mosaic AI Gateway, Redis, Kubernetes, CI/CD, AWS, Azure, GCP, Adobe Commerce, SAP CX, Salesforce Commerce, MCP
2mo
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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
1mo
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Tax Artificial Intelligence Manager
Chicago or Los Angeles or New York or Oakbrook Terrace or San Francisco or Hartford or Nashville or South Bend or Tampa or Atlanta or Boston or Cleveland or Dallas or Denver or Fort Lauderdale or Houston or Grand Rapids or Austin or Charlotte or Indianapolis
$96k-$195k/yr OnsiteFull Time
Crowe
Crowe: Global professional services firm providing audit, tax, and consulting.
7+ YOE2+ Mgmt7+ years software engineering experience, 2+ years leading engineers, strong Python and cloud (Microsoft Azure) expertise, experience with async processing, CI/CD, security, and stakeholder communication; Bachelor's degree required.
Python, FastAPI, AsyncIO, Pydantic, Uvicorn, Gunicorn, SQLAlchemy, Alembic, Microsoft Azure PostgreSQL, Microsoft Azure, Microsoft Azure App Service, Microsoft Azure Functions, Microsoft Azure Service Bus, Microsoft Azure Blob Storage, Microsoft Azure Key Vault, Microsoft Azure API Management, Microsoft Managed Identity, Microsoft Azure Monitor, Microsoft Application Insights, Microsoft Azure Foundry, Microsoft Azure AI Document Intelligence, OpenAI Python SDK, Microsoft Azure OpenAI, OpenAI APIs, Microsoft Agentic Framework, FAISS, scikit-learn, RapidFuzz, PyMuPDF, pypdf, pandas, numpy, Microsoft Entra ID, Microsoft Azure AD, Okta, OAuth2, OIDC, JWT, Microsoft Azure DevOps Pipelines, Octopus Deploy, Veracode, pytest, pytest-asyncio, pytest-cov, OpenTelemetry, structlog, Jinja2, HTML/CSS, JavaScript
3w
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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
2mo
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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
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
1mo
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Staff Software Engineer, AI Agentic Experience (Auth0)
Bellevue or San Francisco or California or Colorado or Illinois or New York or Washington
$174k-$238k/yr HybridFull Time
Okta
OktaNASDAQ: OKTA: Provide secure identity management and authentication for enterprises.
Proven software engineering experience building developer tools/platforms; proficiency in JavaScript/TypeScript, Golang, or Python; experience with LLM APIs, agent runtimes, and auth standards (OAuth2, OIDC, JWT); architecture leadership and strong documentation skills.
JavaScript, TypeScript, Golang, Python, React, Next.js, FastAPI, LLM APIs, Token Vault, Async Authorization, Fine-Grained Authorization (FGA), MCP servers
1mo
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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
1mo
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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
2w
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Senior Site Reliability Engineer (REMOTE)
Oregon or Washington or California or Colorado or Texas or Illinois
$140k/yr RemoteFull Time
Discogs
Discogs: Online marketplace and database for music recordings.
5+ YOE5+ years in SRE/Platform/DevOps roles; Terraform, Kubernetes, AWS, observability, scripting (Shell/Python); incident response, automation, mentoring, Kafka CDC and agentic AI experience.
Terraform, GitHub Actions, Kubernetes (EKS, Kustomize, Karpenter), AWS, VPC, EKS, RDS, S3, Datadog, Sentry, Claude Code, Shell, Python, Kafka, Strimzi, Debezium, JDBC, Flink, MySQL, Percona Server, Elasticsearch, SQLAlchemy, FastAPI, GraphQL, Apollo, REST API, ArgoCD, Hashicorp Vault, Redis, Memcached
6d
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Principal Engineer I - Principal Data Platform Engineer
Greenwood Village, Colorado, United States
OnsiteFull Time
Charter Communications
Charter CommunicationsNASDAQ: CHTR: Provides broadband connectivity, cable, and mobile communication services.
5+ YOE5+ years engineering and project management experience; strong Hadoop administration and platform architecture skills; Python/Typescript and cloud/DevOps experience; bachelor's or master's in engineering or equivalent experience; CCIE preferred.
Hadoop, HDFS, YARN, Hive, HBase, Spark, Kafka, Oozie, ZooKeeper, Impala, Postgresql, MySQL, Splunk, Docker, Kubernetes, Python, Typescript, Django, Flask, FastAPI, Shell, Visio
1mo
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Full Stack Product Engineer, AI Enabled Products
San Francisco or New York City or Colorado or United States
$130k-$175k/yr RemoteFull Time
Solv Health
Solv Health: Connects patients with same-day doctor appointments and urgent care.
2+ YOE2+ years building and maintaining production web applications; comfortable across frontend and backend; experience with React, Python, and SQL/Postgres; experience using AI-assisted development tools; strong testing, debugging, and collaboration skills.
React, Remix, Python, FastAPI, Postgres, SQL
3d
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Senior Software Engineer
San Mateo or Arizona or California or Colorado or Florida or Georgia or Illinois or Nevada or North Carolina or Oregon or Texas or Utah or Washington
$160k-$180k/yr RemoteFull Time
VyncaCare
VyncaCare: Offers palliative care services and advance care planning technology.
5+ YOE5-7 years software engineering, Bachelor's in Computer Science or related (preferred), proficiency in Python and Java, experience with event-driven architectures, cloud (AWS), Kubernetes, real-time data pipelines, and healthcare data standards.
Apache Kafka, Airflow, Flink, DataDog, Kibana, Kafka Streams, Spark Streaming, Flask, FastAPI, Spring Boot, AWS, Kubernetes, Kinesis, Python, Java, Redshift, BigQuery, Snowflake, DynamoDB, FHIR, CCDA, HL7 V2/V3, DICOM