41 fastapi developer jobs at 25 companies in Leander, TX
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Software Engineer
Austin, Texas, United States
HybridFull Time
Realtor.comNasdaq: NWSA: Online marketplace for buying, selling, and renting homes.
2+ YOEBachelor's in CS or equivalent,2+ years software development,experience with Python (FastAPI,Pydantic,NumPy,Pandas),React,Node.js,GraphQL,databases;AI/ML and AWS preferred;testing and code review experience.
Closinglock: Software platform preventing fraud in real estate transactions.
Strong Python experience, familiarity with Flask/FastAPI/Django, RESTful API development, relational databases and ORMs, CI/CD, Docker, AWS, testing/TDD, collaborative problem solving; must be located in Austin, TX.
Irvine or Oklahoma City or Sunrise or Oxford or Dallas or Austin
$155k-$180k/yrHybridFull Time
Cotality: Provides property data, analytics, and workflow intelligence solutions.
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.
Bain & Company: Provides global management consulting and strategy advisory services.
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.
Capitol Services: Provides outsourced corporate document filing and compliance services.
5+ YOE5+ years software engineering experience with 2+ years building end-to-end AI products, proficiency in Python, LLMs, RAG, prompt engineering, API development, and strong communication and organizational skills.
Homeward: Offers financial products for buying and selling residential homes.
4+ YOE4+ years backend development experience; production AI/ML and LLM API experience; strong Python and framework skills (Django/Flask/FastAPI); experience with prompt design, reliability, CI/CD, and strong communication.
6sense: AI platform for B2B buyer intent and revenue prediction.
4+ YOEBachelor's degree in CS or related, 4+ years professional software engineering experience, strong Java/Spring Boot and React/TypeScript skills, experience with databases, cloud, Kubernetes, CI/CD, testing, and AI-assisted development tools.
ZoomInfoNASDAQ: GTM: Provides B2B contact data and sales intelligence software.
4+ YOE4+ years backend engineering experience; generalist application engineer comfortable with backend/frontend; proficiency with Python/FastAPI/Node and AI coding tools; strong ownership and product sense.
Python, FastAPI, React, Claude Code, Codex, Cursor, Node
Osano: Software platform for automated data privacy and compliance.
5+ YOE5+ years experience; expertise in deploying AI workloads in AWS/Azure; advanced LLM orchestration; strong Python AI tools (FastAPI, LangGraph); experience building complex RAG and autonomous agents; evaluation frameworks.
VisaNYSE: V: Global payment technology facilitating electronic funds transfers.
2+ YOE2+ years with a Bachelor's (or 5+ years experience), proficiency in Python/Go/TypeScript, experience with web frameworks, GenAI/LLM tooling, security/GRC knowledge (PCI DSS, NIST, ISO), and prior mentoring or team lead experience preferred.
Vectra AI: AI-powered cybersecurity platform for hybrid cloud threat detection.
2+ YOE2+ years professional software engineering experience, 1+ year Python, REST API and relational DB experience, cloud familiarity (AWS/Azure/GCP), CI/CD, testing, Unix/Linux, strong communication and collaboration.
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/yrHybridFull Time
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
Userpilot: Software for personalized in-app user experiences and onboarding.
3+ YOE3+ years building production software; strong Python and CS fundamentals; experience with production agentic/LLM systems, retrieval, tooling, and orchestration; architectural judgment for AI systems; ability to own systems end-to-end.
Staff Software Engineer - (Next.js, Native iOS/Android and Python) San Antonio, Tx. OR Austin, Tx.
San Antonio or Austin
OnsiteFull Time
H-E-B: Operates a major supermarket chain in Texas and Mexi
7+ YOE7+ years full-stack development, CS degree or equivalent, expertise in architecture, mentoring, cloud (GCP), mobile and web stacks, CI/CD, testing, and production support.
RobCo: A building end-to-end autonomous industrial robotics solutions that combine hardware, software, and AI to automate factory work.
Several years of software/robotics engineering or industrial automation experience; strong Python skills; familiarity with C++, ROS/ROS2, or FastAPI preferred; experience deploying to robotic hardware and troubleshooting field issues; vocational training or degree in robotics, CS, or EE.
LPL FinancialNASDAQ: LPLA: Provides wealth management and brokerage services to financial advisors.
5+ YOE5+ years software dev with AI/ML integration; 3+ years agentic AI solutions; 5+ years backend (Python, .NET Core) and frontend (Angular); 3+ years AWS services; ML engineering expertise.