Senior Software Engineer – Transaction Observability PlatformEvery day, billions of financial transactions move through the world's banking system. Fraud hides in that data. Compliance failures lurk in it. Operational risks surface in it — often too late.Vyntra exists to change that.We're a global leader in real-time transaction intelligence, trusted by over 130 financial institutions across 60+ countries — from retail and private banks to Central Securities Depositories. Our platform gives banks the power to see, secure, and optimise every transaction as it happens.The work is consequential. The technology is genuinely hard. And we're looking for an engineer who wants both.The RoleWe're hiring a Senior Software Engineer to join our Transaction Observability product team — the engineering heart of a platform that centralises and makes searchable billions of financial messages in real time.You'll work in a small, autonomous scrum team where ownership is real and decisions matter. This isn't a cog-in-the-machine role: you'll design and build core features, take on complex data engineering challenges, and have genuine influence over how the platform evolves.If you care about writing high-quality Java, enjoy working at serious scale, and want your work to have a direct impact on financial crime prevention and operational resilience at major global institutions — this is worth reading on.What You'll DoDesign, develop, and optimise core features of our enterprise-grade transaction observability platformTackle complex challenges in large-scale, real-time data ingestion, indexing, and searchBuild performant, high-quality components using advanced search engine technology (Elasticsearch / Apache Lucene)Collaborate closely with your scrum team to deliver meaningful product improvements with measurable customer impactTake ownership of technical decisions and contribute to architectural thinking across the platformWrite clean, well-tested code and contribute to the engineering standards that the whole team lives byAbout YouYou're a well-rounded software engineer with deep Java expertise — someone who writes code that performs under pressure and holds up over time. You think beyond your ticket, care about the product you're building, and bring the same rigour to a design discussion as you do to a pull request.You'll needStrong, demonstrable Java experience (Java 11+ preferred) with a track record of building high-performance, production-grade systemsSolid understanding of software design principles and the ability to own technical decisions end-to-endExperience working in agile environments, with clear communication and a collaborative team mindsetA product-minded approach — you think about the customer, not just the codeThe right to work in Belgium — we're unable to sponsor visas for this roleYou'll stand out if you haveHands-on experience with Elasticsearch or Apache Lucene — given the nature of our platform, this is genuinely valuableExperience with high-volume, real-time data processing systemsFamiliarity with financial messaging formats or the fintech / regtech spaceThe EnvironmentOur team is based in Mechelen and we work in a hybrid model — three days a week in the office, two from home. We're right across the road from Mechelen station, which makes the commute as straightforward as it gets.We're an international team and English is the working language. You'll also need French or Dutch to get the most out of day-to-day life here — we'd consider an exceptional candidate who's working on it, but it's important to be upfront that you'll struggle without one or the other.We welcome applications from strong candidates who have the right to work in Belgium. No visa sponsorship is available for this role.
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