Senior Full Stack Developer (Python+React)

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IntellectsoftHealthcare AI platform
Brazil. Argentina. Spain. PolandFull-TimeSenior
Salary not disclosed
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Job Details

Experience
7+ years of experience in software development. 5+ years Strong Python background. 3+ years building UIs with React.js. 3+ years Experience building and maintaining APIs and microservices with FastAPI. 3+ years Solid SQLAlchemy experience.
Required Skills
PythonHTMLCSSJavascriptReact.jsFastAPICI/CD

Requirements

  • 7+ years of experience in software development
  • 5+ years Strong Python background (async/await, asyncio, type hints, Pydantic, SOLID)
  • 3+ years building UIs with React.js
  • Solid knowledge of JavaScript, HTML, CSS, and modern front-end practices
  • 3+ years Experience building and maintaining APIs and microservices with FastAPI
  • 3+ years Solid SQLAlchemy experience
  • Hands-on experience with: Feature engineering pipelines
  • Hands-on experience with: Real-time and batch inference systems
  • Hands-on experience with: Model serving
  • Comfortable working across the full development lifecycle (code reviews, testing, CI/CD, production)
  • Strong problem-solving skills and a builder mindset
  • Team player who works well with product, UX, and business stakeholders
  • Curious, proactive, and adaptable

Responsibilities

  • Build scalable backend services and APIs using Python and FastAPI
  • Develop clean, async, well-structured code following best practices
  • Design and maintain multi-tenant systems
  • Integrate third-party APIs (Veeva Vault, Adobe PDF Services, OCR)
  • Build and optimize React components for performance and usability
  • Collaborate closely with product, design, and engineering teams
  • Ship high-quality features fast and keep improving them
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