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Java Software Engineer - FinTech
B2B freelance Java backend engineer at Flix (FlixBus) in Warsaw building internal finance applications — revenue accounting, invoice processing, bus partner settlements, and payment reconciliation — using Java, Kafka, AWS, Docker/Kubernetes, and CI/CD tooling.

Senior Full Stack Engineer
Senior/Staff Fullstack Engineers build and scale live event ticketing platforms (web/mobile) using Go/Python, cloud infrastructure, and APIs, with a focus on AI-driven automation and system reliability for millions of users.
Senior Enterprise Account Executive
The sales team at Smartly is changing the way brands engage with consumers across paid social. Built on a strong culture of collaboration and trust, our team is looking to bring on experienced and motivated sellers…
Systems Engineer
Mid-level Systems Engineer at Troon's Scottsdale corporate HQ, supporting a cloud-first Microsoft environment: deploying Azure infrastructure, administering networking (VNets, NSGs, VPN), managing identity via Entra ID/RBAC/MFA, and automating tasks with PowerShell. Full-time, on-site with occasional travel.
Senior Backend Engineer
Senior Backend Engineer at Faye (a US travel protection/insurtech company) will design, build, and own scalable backend services end-to-end for its travel insurance and traveler-care platform. Core stack: Node.js, Nest.js, TypeScript, PostgreSQL, and AWS.




