Job Opportunities API

The Public Ledger of Openings

← Back to the ledger

Kotlin Full-Stack Engineer (Freelance/Service Agreement)

FlixBus
CompanyFlixBus
CategoryEngineering
LocationKraków, Poland
Remote
EmploymentNot stated
LevelNot stated
SalaryNot stated by the employer
First seen2 Aug 2026 (the employer did not state a posting date)
Last verified9 Aug 2026
SourceThe employer's own careers page (company_site)
Applications are handled by the employer, not by us.Apply on the employer's site →
Description
Kotlin Full-Stack Engineer (Freelance/Service Agreement) City: Kraków Department: IT & Engineering Recruiter: Anna Symonenko Apply for Job Share Job We are looking for a skilled Senior (Full-Stack) Kotlin Engineer as service agreement collaborator. Flix customers worldwide expect a comfortable and seamless experience at our stations as part of their travel experience. Our self-organized, cross-functional and distributed team builds products to enable Flix station managers to scale management of the station inventory, which a wide range of internal tech teams across Flix depend on, and overall serves to improve the experience at our stations for millions of passengers. Scope of services • Independent management of roadmap epics as topic driver, aligning technical requirements and solutions across the Flix teams together with the product owner • Close interaction with business stakeholders on continuously developing and improving the product vision with business driven mindset • Supporting the development process using an agile environment • Pair and ensemble programming, code reviews, testing, and operations • Delivery of new versions of the product, using continuous integration and delivery Relevant experience • 5+ years of software engineering experience, primarily backend development with a JVM language, including some commercial experience with Kotlin • Solid front-end skills with modern front-end stack • Experience with event-driven architectures; exposure to event sourcing, CQRS , and domain-driven design (DDD) is a plus • Hands-on experience with automation and deployment of applications into cloud infrastructure (e.g., AWS, Azure) using CI/CD pipelines and DevOps best practices • Proficiency in system design and architecture • Solid written and spoken English communication skills