76 fastapi developer jobs at 33 companies in Ennis, TX
1w
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Senior Full-Stack Developer (React + Python/FastAPI)
Jersey City or Dallas or Tampa
$75k-$150k/yr HybridFull Time
6+ YOE7+ years full-stack experience with React, Python/FastAPI, SQL, Docker, and cloud; strong design, performance, security, and mentoring skills.
React, Python, FastAPI, SQL, Snowflake, Docker, Nginx, AWS EC2
2w
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Full Stack Developer
Dallas, Texas, United States
$88k-$121k/yr OnsiteFull Time
5+ YOE5+ years software development with 5+ years Python and FastAPI; experience with Snowflake, Databricks, Apache Iceberg, Microsoft Azure, SQL, MLflow, Azure OpenAI/LLMs; bachelor's in CS/Engineering or equivalent.
Python, FastAPI, REST APIs, Snowflake, Databricks, Apache Iceberg, Microsoft Azure, SQL, MLflow, Azure OpenAI, LangChain, AKS, Git, Docker, CI/CD, Azure Functions, Azure API Management, Azure Key Vault, Azure DevOps, Kubernetes, Terraform, PySpark, OpenAI, Anthropic
3mo
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Software Engineer (Agentic AI/Data Engineering)
Irving, Texas, United States
$74k-$116k/yr HybridFull Time
2+ YOE2+ years software engineering; Python with FastAPI; AI application development; AWS; React; experience in AI orchestration and RAG; production-grade systems.
Python, FastAPI, LangGraph, LangChain, AWS, DynamoDB, React, APIGateway, ECS, EKS, Lambda
2d
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React and Node.js FSD Engineer
Dallas, Texas, United States
$100k-$120k/yr OnsiteFull Time
8+ YOERequires 8–10 years of experience with React, Node.js, FastAPI, .NET, Angular, databases, testing, DevOps, security tools, and full-stack development.
React, .NET, FastAPI, Python, Node.js, Angular, Vite, Tailwind, PostgreSQL, SQLAlchemy, EF Core, Playwright, Azure DevOps, Azure App Services, Veracode, OWASP, Key Vault, GitHub Copilot, Visual Studio Code, Git, SSMS, MSSQL
2mo
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Principal Software Engineer (Python)
Irvine or Oklahoma City or Sunrise or Oxford or Dallas or Austin
$155k-$180k/yr HybridFull Time
10+ YOE10+ years professional software engineering experience; expert Python/FastAPI; semantic, graph, and RAG/Vector retrieval experience; cloud (GCP/AWS/Azure); leadership, TDD, and AI/LLM/SLM familiarity.
Git, Unix, Python, FastAPI, FastMCP, ADK, LLM, SLM, GraphRAG, Vector Databases, RAGAS, DeepEval, GCP, AWS, Azure
1w
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Gen AI Engineer
Charlotte or Dallas or Houston or Raleigh or Richardson
OnsiteFull Time
Hands-on experience building GenAI applications with Python, LangChain/Lang Graph/Llama Index, LLM platforms, FastAPI/Docker/Kubernetes, software engineering and LLMOps practices; Bachelor\u0002s degree or equivalent required.
Python, LangChain, Lang Graph, Llama Index, RAG, vector databases, FastAPI, Docker, Kubernetes, Azure OpenAI, AWS Bedrock, OpenAI, Anthropic, GitHub Copilot, Claude Code, Cursor, Git, React, TypeScript, GitHub Actions, Terraform, Helm, LoRA, QLoRA, PEFT, Model Context Protocol (MCP), RAGAS, DeepEval, Lang Smith, Llama, Mistral, Gemma
1mo
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Senior Machine Learning Engineer
Dallas, Texas, United States
OnsiteFull Time
3+ YOE3+ years experience building production ML services with Python and FastAPI; experience with agentic frameworks, Jenkins, GitLab Runners, PyVegas, Galileo; strong systems design and analytical skills.
Python, FastAPI, Jenkins, GitLab Runners, PyVegas, Galileo, Docker, Kubernetes
2mo
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Principal Software Engineer (Python)
Irvine or Oklahoma City or Sunrise or Oxford or Dallas or Austin
$155k-$180k/yr HybridFull Time
10+ YOEMaster's or Bachelor's in CS/AI (required), 10+ years software engineering, expert Python/FastAPI, semantic/graph and RAG experience, cloud (GCP/AWS/Azure), Git/Unix, ADK, vector DBs, strong communication and leadership.
Git, Unix, Python, FastAPI, FastMCP, ADK, Vector Databases, GraphRAG, RAGAS, DeepEval, HyDE, GCP, AWS, Azure
2mo
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Full Stack Engineer (Delivery Toolkit)
Atlanta or Austin or Chicago or Dallas or Houston
$93k-$112k/yr HybridFull Time
2+ YOEBachelor's degree or equivalent; 2+ years building web or backend services; strong TypeScript, Node.js, FastAPI/Python, SQL/Postgres, testing, and practical AWS experience; familiarity with CI/CD, Docker, and IaC.
Svelte, SvelteKit, React, TypeScript, Node.js, Python, FastAPI, Zod, Pydantic v2, PostgreSQL, SQL, SQLAlchemy, Docker, Vitest, RTL, Jest, pytest, Playwright, OpenAPI, GitHub Actions, Cursor, GitHub Copilot, S3, RDS, Lambda, ECS, CloudWatch, IAM, API Gateway, SQS, SNS, EventBridge, ECR, Terraform, CloudFormation, CDK
3w
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Software Engineer III-Generative AI Platform Engineering
Addison, Texas, United States
OnsiteFull Time
6+ YOE6+ years software engineering experience, bachelor’s in CS/Engineering/Data Science required, strong Python skills, GenAI/ML platform experience, FastAPI, MLFlow/Kubeflow, Kafka, Kubernetes, CI/CD and security practices.
Python, FastAPI, MLFlow, Kubeflow, Jupyter, Visual Studio Code, Kafka, Kubernetes, Git, JWT
4d
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Software Development Engineer
Richardson, Texas, United States
OnsiteFull Time
5+ YOEBachelor's in CS/engineering/math,5+ years full-stack development without co-development tools,experience with AI agentic frameworks (Claude,Copilot,Cursor),strong problem-solving and communication skills.
Claude, GitHub Copilot, Cursor, React, JavaScript, TypeScript, Python, FastAPI, Oracle, MSSQL, PostgresSQL, SQL, Kubernetes, Airflow, Jenkins, Docker, Linux
1mo
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Python Developer Dallas, TX
Dallas, Texas, United States
$35k-$123k/yr OnsiteFull Time
Photon: A technology employer building agentic AI platforms and enterprise AI solutions.
6+ YOE6+ years Python development experience; backend, REST APIs/microservices, LLM and agentic AI integration, RAG and vector DB experience; cloud, containerization, CI/CD proficiency.
Python, FastAPI, Flask, Django, LangGraph, CrewAI, AutoGen, Agent Development Kit (ADK), LangChain, LlamaIndex, LangSmith, LangFlow, OpenAI, Gemini, Anthropic, Llama, Pinecone, Weaviate, Chroma, Milvus, PostgreSQL, MySQL, MongoDB, Redis, AWS, Azure, GCP, Docker, Kubernetes, Jenkins, GitHub Actions, GitLab CI
1mo
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Senior Software Development Engineer (AI Engineering)
Richardson, Texas, United States
$93k-$185k/yr HybridFull Time
5+ YOE5+ years Python software development; experience with LLMs, RAG, vector DBs, cloud (AWS/Azure/GCP), Git, and production AI system development.
Python, LLMs, RAG, LangChain, LlamaIndex, CrewAI, OpenAI, Anthropic, Azure OpenAI, vector databases, Git, Docker, Kubernetes, GitHub Actions, Jenkins, FastAPI, Flask, React, JavaScript, GitHub Copilot, Cursor, AutoGen, LangChain document loaders, Unstructured, LangSmith, Weights & Biases
2d
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Senior Software Engineer
Orlando or Alpharetta or Dallas or Atlanta
$140k-$160k/yr RemoteFull Time
5+ YOEBachelor's degree or equivalent practical experience; 5+ years of full-stack software engineering experience; Python, TypeScript/JavaScript, testing, CI/CD, AWS, system design, and AI-assisted development experience required.
Python, FastAPI, AWS Lambda Powertools, TypeScript, JavaScript, pytest, GitHub Actions, AWS, GitHub Copilot, Claude Code, React, Tailwind CSS, WCAG, Dynatrace, OpenTelemetry, AWS CloudWatch
2w
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Lead GenAI Engineer (LLM)
Bloomington or Dunwoody or Richardson or Tempe
$81k-$142k/yr HybridFull Time
Design and productionize LLM-powered applications, RAG/agent pipelines, cloud-native AI (AWS), API development (Python/TypeScript), prompt engineering, Git, and AI governance experience.
AWS Bedrock, AgentCore, REST, FastAPI, Promptfoo, RAGAS, GitHub Copilot, Python, TypeScript, Git, MCP
4d
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Digital Software Engineer Lead
Irving, Texas, United States
$170k-$254k/yr HybridFull Time
10+ YOE10+ years of hands-on software design and development with deep Java expertise; experience with Spring Boot, microservices, cloud, distributed systems, CI/CD, AI technologies, Python frameworks, and resilient architectures.
Java, Spring Boot, Microservices, OpenShift, MongoDB, Couchbase, Tekton, Harness, Lightspeed, Junit, BDD, Python, FastAPI, Django, Flask, LLMs, retrieval-augmented generation, embeddings, vector search
4d
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Digital Software Engineer Lead
Irving, Texas, United States
$170k-$254k/yr HybridFull Time
10+ YOE10+ years of hands-on design and development experience with deep Java expertise; requires Spring Boot, microservices, cloud, databases, CI/CD, testing, AI integration, Python frameworks, and a bachelor's degree.
Java, Spring Boot, Microservices, OpenShift, MongoDB, Couchbase, Tekton, Harness, Lightspeed, JUnit, BDD, Python, FastAPI, Django, Flask, LLMs, retrieval-augmented generation, vector search
1mo
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Financial Services, Technology Consulting, Digital Engineer - Manager (New York, NY, US, 10001-8604)
New York or Dallas
$171k-$297k/yr HybridFull Time
4+ YOEBachelor's degree, 4+ years relevant experience, 4+ years with Angular, strong JavaScript/TypeScript skills, experience designing APIs and microservices, familiarity with PostgreSQL, Temporal, Java, Python, FastAPI, Keycloak/OAuth2/OIDC, Azure AD, data visualization and CI/CD/TDD practices.
Angular, JavaScript, TypeScript, PostgreSQL, Temporal, Java, Python, FastAPI, OpenAPI, Keycloak, OAuth2, OIDC, Microsoft Azure Active Directory (AAD), D3, Highcharts, Ploty.js, Ember Charts, Microsoft PowerBI, Tableau, Looker
4d
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Lead Python Network Automation Engineer
Chandler or Irving or Charlotte or Minneapolis or United States
$119k-$206k/yr HybridFull Time
5+ YOE5+ years of software engineering and 3+ years of Python development required; experience with automation, REST APIs, enterprise systems, cloud infrastructure, and AI-assisted development.
Python, Nautobot, LangChain, LangGraph, Google ADK, A2A, AG-UI, OpenAI API, MCP, Django, GraphQL, PostgreSQL, React, FastAPI, OAuth, GitHub, Ansible, OpenShift, Cloud Foundry, Kubernetes, Unix, Linux, MongoDB, Postman, REST APIs, Microservices
3w
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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
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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