Description

nQdrant is a fully remote cutting-edge technology company specializing in open-source Vector Search designed for next-generation AI applications. Our platform enables high-performance vector similarity search, allowing businesses to unlock deep insights from unstructured data. By offering both open-source software and managed cloud solutions, we empower developers and enterprises to build scalable, AI-driven search and recommendation systems with ease. Our offering runs on major cloud providers in regions worldwide.nn

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nAs a Senior Software Engineer (Payments), you will design, build, and maintain robust backend systems. The main focus of your work will be related to billing and payments, which is: precise usage metering, PSP integrations, sales and backoffice extension, reporting among others. You will work in a small multidisciplinary team and collaborate transversally with other cross-functional teams.nn

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nThis is what you can expect when working with us.nn

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  • nDesign, develop, and maintain billing and payment systems with high precision and attention to detail.nn

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  • nExtend integrations with payment gateways (e.g., Stripe, Adyen, PayPal, Braintree) and marketplaces (e.g., Amazon, eBay, Shopify, App Stores).nn

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  • nDesign and implement user-friendly interfaces and interaction flows for billing and payment systems, ensuring accessibility for non-technical users such as accounting staff, customer support, end users or growth teamsnn

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  • nExtend monitoring and alerting.nn

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  • nImplement fraud detection mechanisms, chargeback handling.nn

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  • nCollaborate closely with product managers, frontend engineers, and other backend engineers to create user-friendly and frictionless payment experiences.nn

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  • nEnsure regulatory compliance (e.g., PCI-DSS, GDPR) in payment implementations.nn

nWe are seeking a talented and product-minded Senior Backend Engineer with strong expertise in building resilient systems as well as having a good understanding in how to make them accessible.nn

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nWhile expertise in vector databases is not required for this role, we highly value experience in billing and payments, where handling complex transactions at scale is a critical challenge.nn

nThis role emphasizes Python as the primary backend language, though familiarity with Go is a plus. Experience with a reactive frontend framework (React, Vue, or similar) is very beneficial.nn

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nWe prefer to hire someone working in timezone UTC +/- 4hnn

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nRequirementsnn

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nThis is what we expect from you to join us.nn

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  • nStrong product mindset, with a deep understanding of how payments impact user experience and business success.nn

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  • nStrong problem-solving and expression skills, to work in a remote environment.nn

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  • nProficiency in Python (FastAPI, Django, Flask, or similar).nn

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  • nStrong understanding of relational databases, in particular PostgreSQL.nn

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  • nExcellent sense for sustainable codenn

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  • nUnderstanding of transaction lifecycles, refunds, chargebacks, and fraud detection.nn

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  • nExperience with at least two of: event sourcing, billing systems, payment processing systems, payment gateways, and marketplace integrations.nn

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  • nParticipation in collaborative, test-driven development.nn

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  • nCapability to visualise datann

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  • nFamiliarity with Kubernetes, Docker, and cloud platforms (AWS, GCP, or Azure).nn

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  • nUnderstanding of distributed systems and high-volume transaction processing.nn

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  • nAbility to extend a reactive frontend stack is not frequently required, but should be possible.nn

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  • nExperience with Go is a plus.nn

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Nice-to-Haven

  • nExposure to machine learning for fraud detection.nn

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  • nExperience in eCommerce, fintech, or large-scale SaaS platforms.nn

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  • nKnowledge of real-time payments (RTP), open banking, or crypto payment solutions.nn

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  • nFamiliarity with vector databases or search engines (not required but a plus).nn

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  • nCompetitive salary and benefits package.nn

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  • nFully remote work environment with flexible working hours.nn

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  • nOpportunity to work on cutting-edge technology with a team of highly skilled engineers.nn

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  • nCareer growth and learning opportunities in a fast-growing industry.nn

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  • nCollaborative and inclusive company culture.nn