Flix

Senior Fullstack Software Engineer (Python/Java) - Service Agreement

Flix
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14 hours ago
Warsaw, PolandSenior

Responsibilities

  • Develop and enhance Flix contact center applications, agent-facing interfaces, and automation workflows.
  • Conduct discovery to identify efficient and effective workflows.
  • Design and implement user-focused solutions aligned with product requirements and user needs.
  • Deliver solutions for a defined portfolio of products and contribute to business objectives.
  • Make technical decisions within the service scope while promoting technical excellence and consistency.
  • Apply Agile methodologies to plan and execute development work.
  • Submit invoices as an independent contractor under the service agreement.

Requirements

  • At least five years of professional full-stack development experience.
  • Experience with architecture, system design, and legacy product migration.
  • Extensive experience with Python and its ecosystem for developing new products.
  • Solid knowledge of Java for maintaining and further developing existing products.
  • Strong focus on quality assurance practices and technical standards throughout the product lifecycle.
  • Hands-on experience with automated testing and different test runners.
  • Comfort working with Agile methodologies.

Benefits

  • B2B/freelance service agreement rather than an employment contract.
  • Open to contractors based in Poland.
  • Compensation of 135–170 PLN per hour on a B2B basis.

Tech Stack

Categories

Flix

About Flix

1,001-5,000 employees

Flix builds a travel-tech platform and consumer apps that sell intercity bus and rail tickets under FlixBus, FlixTrain, Greyhound, and Kamil Koç. It uses an asset-light model, partnering with local operators while handling network planning, pricing, and marketing to connect travelers in 40+ countries. Founded in 2011 and headquartered in Munich, it offers a unified booking experience across Europe, the U.S., and Turkey.

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