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Java Software Engineer - FinTech
Flix
Source: Headcount Labs · original listing ↗
Job data: Headcount Labs, ODbL 1.0. Job descriptions belong to their employers.
Posted Oct 28
About this role
Rate: 89 – 119 / hour (B2B) We are looking for a skilled Java Engineer to join Flix on a freelance/service agreement basis (B2B contract). This is a contractor engagement to work on impactful, hands-on challenges in the domain of financial technology. Scope of Services Bring expertise in Java-based backend development. Work across Flix's finance technology environment to build and maintain critical internal applications — from revenue accounting, invoices processing to bus partner settlements and payment reconciliation. About the Engagement * Design, build, and maintain features for the internal data-heavy applications, supporting automated bus partner settlement generation across all FlixBus entities around the globe. * Develop and enhance the internal services that allow finance and billing teams to manage bus partners' settlement-relevant data and track changes via event history. * Communicate directly with business counterparts (finance, billing, and partner teams) to understand needs and shape solutions. * Actively participate in product development, from refinement and technical design through delivery and operations. * Implement and maintain event-driven data processing workflows using Kafka to support settlement operations. * Contribute to infrastructure-as-code practices and CI/CD pipelines on AWS, and run services on Docker/Kubernetes, with monitoring and observability (e.g. Datadog). About You * At least 3 years of experience as a Software Engineer, with exposure to data processing systems * Proven experience working with Java in a commercial environment * Experience with event-driven architectures, ideally Kafka * Experience working with cloud-based infrastructure providers, ideally AWS * Solid SQL knowledge * Hands-on experience with Docker and Kubernetes (or similar container orchestration tools) and CI/CD * Familiarity with Snowflake or similar data warehousing solutions is a plus * Experience in front-end technologies (e.g., JavaScript, HTML5, React.js, or Angular) is a plus * Fluent in English Cooperation model * Cooperation based on a service agreement (B2B/freelance contract), not an employment contract. * You will operate as an independent contractor, responsible for delivering agreed services and submitting invoices * Location: open for contractors based in Poland
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