Senior Java Engineer - Flix Train Operations Management System

Flix·Warsaw·Posted 10 November 2026

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About the role

89-119 PLN/hour We are looking for a skilled Senior Java Engineer for service agreement collaboration (B2B contract) to cooperate with a team that focuses on automating and streamlining FlixTrain’s operational processes, creating internal tools that help teams manage a growing and increasingly modern fleet. The team works in a collaborative, pragmatic, low-bureaucracy way. Scope of services This engagement sits in a greenfield environment, where many systems are designed and built from scratch. Engineers are actively involved throughout the entire lifecycle: understanding operational challenges, contributing to architectural decisions, and ensuring high quality through solid testing practices. We value engineers who are curious about the business, eager to participate in discovery and problem framing, and comfortable navigating ambiguity. About the Engagement Collaborate with a self-organized, cross-functional distributed team responsible for a set of products, contributing directly to the success of the business Place our users at the center when developing solutions together with the team Contribute to the development process within an Agile environment Design new products from…

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