Senior Backend Engineer (Product)

• We’re looking for a Senior Backend Engineer who thinks like a product builder, thrives in a collaborative, cross-functional environment, and is passionate about creating robust, scalable financial infrastructure
• You’ll be part of a domain team where various engineering crafts (Backend, Frontend, Mobile, ML/AI engineers, and QA) work together to own and evolve a shared product area that delivers real value to hundreds of thousands of businesses across Europe
• Our tech stack:
• Backend: .NET/C#, PostgreSQL, Redis, RabbitMQ, Kafka, Kubernetes, GCP
• You’ll work alongside teams using React (Web), Swift (iOS) / Kotlin (Android), Python/ML frameworks, and modern test automation tools (Playwright, Appium)

You’re pragmatic, learn quickly, and have a proven track record of shipping products that matteYou’re comfortable discussing trade-offs with product managers, explaining technical constraints to business stakeholders, and collaborating with frontend and mobile engineers to design elegant end-to-end solutionsYou’re pragmatic, learn quickly, and have a proven track record of shipping products that matterYou communicate clearly across disciplines and genuinely enjoy the dynamics of a cross-functional team where everyone contributes to solving the same customer problemsAbove all, you’re curious – about the product, the users, the business, and how your technical decisions impact all threeAs a product-minded backend engineer, you don’t just implement ticketsYou understand the “why” behind what you’re building, challenge assumptions when needed, and proactively identify opportunities to create better outcomesYou have deep expertise in NET and C# with a strong appreciation for maintainable, scalable code, and distributed architecturesYou’ve built data-intensive applications before and understand the concepts of working in a regulated environmentProven ability to collaborate effectively with product managers, designers, and engineers from other disciplinesClear, concise communication in English across technical and non-technical audiencesBut more importantly, you know when to apply that expertise and when simpler solutions serve the product betterStrong business acumen – you understand how your work connects to company objectivesQuality is non-negotiable for youAt least 5 years of professional backend development with a product engineering mindsetYou take ownership not just of your code, but of the outcomesHands-on experience architecting and evolving distributed systems in productionExcellent knowledge of .NET platform and C#You’re curious about adjacent domains – you might peek at the frontend code, ask questions about the ML models, or dive into analytics to understand how features performYou move without being prompted, whether that’s jumping into a customer issue, improving team processes, or mentoring colleaguesA builder’s mentality: you care deeply about shipping great products, not just writing great codeAutomated testing, thorough code reviews, and security best practices are fundamental to how you workYou balance technical excellence with pragmatism, always keeping the end user and business goals in mind

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