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Senior Fullstack Developer - Databricks Apps Project

Hiflylabs
Fullstack Developer • Senior • On-site • Full-time • 📍 Budapest
📄 View original listing (EN)

Hiflylabs is looking for a Senior Fullstack Developer for upcoming Databricks Apps projects. You will lead development efforts, build web applications with modern technologies, mentor team members, and translate business needs into effective technical solutions. The role requires strong Python backend experience (FastAPI, Flask, or Django) with frontend exposure, and experience with data- and AI-centered applications.

Stack

AngularAWSAzureDjangoDockerFastAPIFlaskGitHubLinuxNode.jsPythonReactTypeScript

Responsibilities

  • ▹Lead development efforts, contribute to discussions, and support decision-making
  • ▹Mentor and support team members to help them grow
  • ▹Build web applications with modern technologies
  • ▹Understand business needs and turn them into effective technical solutions
  • ▹Work closely with customers and teammates to stay aligned
  • ▹Plan and implement development tasks based on designs and requirements
  • ▹Ensure projects are delivered on time and meet expectations
  • ▹Write unit and end-to-end tests and take part in developer testing
  • ▹Find and fix bugs to keep quality high

Requirements

  • ▹5+ years of experience in Python application development (FastAPI, Flask, or Django)
  • ▹Full-stack development experience, with a stronger focus on backend and expected frontend exposure
  • ▹Advanced English skills (both written and spoken)
  • ▹Experience with Data+AI centered apps such as ML/GenAI/LLM-based applications or dashboard development
  • ▹Experience with ORM libraries like SQLAlchemy and relational databases
  • ▹Experience with vector databases
  • ▹Familiarity with basic DevOps tools (Docker, GitHub Actions, Azure DevOps, IaC, etc.)
  • ▹Experience with cloud technologies (AWS or Azure) for web app hosting and storage
  • ▹Hands-on experience with unit and end-to-end testing

Nice to have

  • ▹Hands-on experience designing and implementing agentic AI solutions using RAG + tool calls + reasoning layers
  • ▹Experience with Databricks (Apps, Lakeflow Jobs, Unity Catalog, Model Serving, Asset Bundles, auth methods/service principals)
  • ▹React/Angular and TypeScript knowledge
  • ▹Experience with Node.js
  • ▹Understanding of reactive programming
  • ▹Interest in working with ML/LLM-based applications
  • ▹User-level familiarity with Linux/Unix systems

Soft skills

Strong problem-solving skills with a proactive approachCustomer-focused mindsetComfortable working independently and taking ownershipDetail-oriented with a structured, quality-driven approachTeam player with a positive, friendly attitudeAgile mindset, eager to learn and explore new technologies

About the company

Hiflylabs is a Budapest-based data and technology company with 250+ employees; its website, LinkedIn page, and YouTube channel give an insight into how the team works.

Languages: Angol (haladó, írásban és szóban)