We’re looking for great people to join our growing team and help us create a safer and more transparent financial systemAt Vyntra, we’re building the future of financial technology—combining innovation, integrity, and impact on a global scale.If you’re passionate about solving complex challenges, eager to grow alongside world‑class experts, and inspired by the chance to shape how finance works worldwide, we’d love to meet you.Whether you’re an engineer, data scientist, product strategist, or client success champion, you’ll find a place here to push boundaries, make meaningful contributions, and thrive in one of our dynamic offices around the world.Senior Software Engineer – Transaction Observability PlatformEvery day, billions of financial transactions move through the global banking system.Fraud hides in that data. Compliance failures hide in it. Operational risks surface in it — often too late. Vyntra builds the platform that lets banks see what’s happening in real time.We centralise and make searchable billions of financial messages. Our customers — over 130 financial institutions across 60+ countries — rely on us to detect risk, investigate issues, and stay compliant.This is not brochureware. It’s deep, high‑volume, production engineering.The RoleWe’re hiring a Senior Software Engineer to join the core Transaction Observability team in Mechelen. You’ll work in a small, autonomous scrum team building the engine that ingests, indexes and makes searchable massive volumes of financial transaction data in real time.This is hands‑on backend engineering at scale. You’ll design and build core features, optimise performance, and influence architectural decisions that directly impact global banks.If you enjoy solving hard data problems and care about writing clean, performant Java — you’ll feel at home here.What You’ll Work OnDesigning and building high‑performance backend components in Java (11+)Real‑time ingestion and indexing of large‑scale transaction dataAdvanced search capabilities using Elasticsearch / LucenePerformance optimisation and scalability improvementsTechnical design discussions and architectural evolutionWriting clean, well‑tested, production‑grade codeWhat We’re Looking ForExperience with scalable, high‑throughput systemsSolid understanding of software design principlesCollaborative, pragmatic, product‑mindedHighly valuable (but not mandatory):Hands‑on experience with Elasticsearch or Apache LuceneExperience in fintech, regtech, or financial messagingExposure to high‑volume, real‑time data systemsYou must have the right to work in Belgium (no visa sponsorship available).The EnvironmentHybrid working (3 days in our Mechelen office, 2 from home)Our office is directly opposite Mechelen station, making commuting by train straightforward.International team, English‑speakingFrench or Dutch is important for day‑to‑day life in Belgium. We’re open to candidates actively improving in one of them.Compensation€80,000 – €110,000 gross per year, depending on experience and impact, plus standard Belgian benefits.Why This Role Is DifferentYou’ll work on a platform used by major financial institutions globallyThe scale is real — billions of searchable messagesThe problems are technically demandingThe team is small enough that your work has visible impactIf you’re a serious backend engineer who wants real technical depth and meaningful production impact — we’d like to talk.Want to know more about our solutions or company?
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