Java Engineer, Fraud Platform — High-Impact & AI-Driven

Vonage; Poland; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Private Medical Insurance with depend.

Multisport Gym Membership

Educational Assistance Reimbursement

Lunch and Learn Sessions

Conference reimbursement

Volunteer Days

Unlimited Discretionary Time Off

Maternity/Paternity Leave

Job summary

Vonage in Wroclaw, Poland, is seeking a Java Software Engineer for the Fraud Platform on a hybrid schedule. You will join a fast-moving team building high-throughput fraud prevention services and microservices designed to scale with business growth.

You will work with Java, Spring, and cloud technologies, contributing to reliable, well-tested systems while leveraging AI-enabled tooling to improve developer productivity and fraud detection accuracy.

Qualifications

• Strong Java backend engineering skills.
• Experience with high-throughput, event-driven architectures.
• Excellent testing across unit/integration/e2e.
• Willingness to learn and adapt.

Responsibilities

• Work alongside fraud experts and engineers on fraud prevention challenges.
• Build high-throughput, low-latency applications for fraud detection.
• Create scalable microservices to support growth.
• Write efficient, scalable code in well-tested systems.
• Collaborate with cross-functional teams for seamless integration.
• Propose scalable, maintainable, cost-effective solutions.
• Influence stack evolution by evaluating new technologies.
• Estimate effort for new features.
• Develop and execute effective testing strategies; take part in on-calls.

Skills

AI-native mindset

Java backend

Testing focus

Event-driven arch

Caching

Tools

Docker

Kubernetes

Helm

Kafka

Prometheus

Grafana

Kibana

MySQL

PostgreSQL

Redis

AWS

Job description

Vonage in Wroclaw, Poland, is seeking a Java Software Engineer for the Fraud Platform on a hybrid schedule. You will join a fast-moving team building high-throughput fraud prevention services and microservices designed to scale with business growth.

You will work with Java, Spring, and cloud technologies, contributing to reliable, well-tested systems while leveraging AI-enabled tooling to improve developer productivity and fraud detection accuracy.