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# Senior Software Engineer - Java and Search Systems

- **Company:** Vyntra
- **Location:** Mechelen, Belgium
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Apache Lucene, Elasticsearch, Gradle, Performance Tuning, Scrum Methodology, Search Technologies, Transaction Data, Spring-boot, Backend, Solid Principles, Kubernetes, Production Code, Real Time Data
- **Published:** June 4, 2026
- **Apply:** https://www.careerjet.be/jobad/beee518b6b2a21547c76a598000ede283c

## About the Role

* Strong Java backend experience, building production systems
 * Solid understanding of software design principles and the ability to own technical decisions end-to-end
 * Experience with scalable, high-throughput systems
 * A product-minded approach - you think about the customer, not just the code

Big Pluses

 * Hands-on experience with Elasticsearch or Apache Lucene
 * Experience in fintech, regtech, or financial messaging
 * Exposure to high-volume, real-time data systems

## Description

We'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.
Our stack: Java, Spring Boot, Elasticsearch, Gradle, Kubernetes/Helm.
What You'll Do

 * Designing and building high-performance backend components in Java
 * Real-time ingestion and indexing of large-scale transaction data
 * Advanced search capabilities using Elasticsearch
 * Performance optimisation and scalability improvements
 * Technical design discussions and architectural evolution
 * Writing clean, well-tested, production-grade code


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