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Jobs(26,667)/Senior Software Engineer Role(1,177)/qlub (15) - Senior Software Engineer, New Verticals
qlub

qlub - Senior Software Engineer, New Verticals

Berlin, Germany3w ago
In OfficeSeniorEMEAFintechPaymentsSenior Software EngineerObservableRESTVector

Requirements

• You already build with agents as your default way of working, not as an add-on to hand-coding • You've shipped production software in a fast-moving, high-growth environment • You move fast and make strong decisions with incomplete information • You take real ownership and think like an operator, not a coordinator • You're energised by hard problems in payments, beauty and wellness, and client experience • You trust evidence over output: if it isn't tested, measured and observable, it isn't done • Proven experience shipping production-grade software, with a track record of doing it through AI coding agents • Fluency in English is a must • Excellent problem-solving and communication skills • Hands-on experience with LLM APIs, tool calling, retrieval-augmented generation and agentic workflows in production • Strong grasp of system design: REST APIs, microservices, asynchronous processing and distributed systems • Solid knowledge of databases, data modelling and database design • Experience with payment providers, booking or POS systems, or complex third-party integrations • A clear understanding of AI-system risks: hallucinations, prompt injection, data leakage, non-deterministic behaviour and unsafe tool execution, and how to contain them • Experience with automated testing, evals, observability, debugging and performance optimisation • Experience in payments, fintech, beauty and wellness tech, booking platforms or a high-growth marketplace • Experience with payment gateways, transaction processing, settlement, reconciliation, or chargeback systems • Experience building agents that operate on APIs, databases, internal tools or operational workflows • Familiarity with model evaluation, prompt and context management, AI observability, guardrails or LLM cost optimisation • Experience running multiple coding agents in parallel, or building the tooling and CI that keeps them safe • Exposure to vector databases, embeddings, semantic search or retrieval systems • Experience with cloud platforms, containerised services, CI/CD and infrastructure-as-code • Familiarity with PCI DSS, GDPR and secure development practices

Benefits

• The end of a great meal shouldn't be the slow part. Waiting for the check, finding someone to take payment, splitting a bill by hand. qlub removes that friction. Guests scan a QR code and pay in seconds. No app, no download, no waiting. • From Pay-at-Table and Digital Menus to Order-and-Pay, Payment Links, and SoftPOS terminals, we handle the full payment experience so restaurants can focus on what they do best: great hospitality. Less friction means faster table turnover, smoother operations, and higher profit. • We're a fast-scaling fintech backed by Mastercard, Mubadala, e& and Shorooq. $72M raised, live across multiple markets worldwide, and headcount doubled in the past year. We're building the teams that take us to the next stage. • Real ownership over products that impact millions of diners and thousands of restaurants globally • The opportunity to solve challenging problems in payments, hospitality, and customer experience • A fast-moving environment where great ideas quickly become reality • Close collaboration with experienced operators, builders, and industry experts • A chance to leave a visible mark on one of the fastest-growing restaurant technology companies globally • Ready to build? Join us and help shape how the world pays at the table. If that excites you, apply now. • Ready to build?

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