Senior JAVA Engineer

About the Role

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Polixis SA is seeking a Senior Backend Engineer (Java) to join our growing engineering team. In this role, you will independently deliver high-quality, production-ready code while taking ownership of the design, development, and optimization of backend systems. You will collaborate with cross-functional teams to build scalable, reliable, and high-performance solutions, ensuring our systems operate efficiently and meet the highest standards of quality.

Polixis delivers Swiss-quality, AI-ready data and software for AML, sanctions, and UBO workflows, powering compliance platforms and AI agents with mission-critical data.

Responsibilities

• Implement and maintain microservices architectures that are scalable, reliable, and efficient.
• Optimize application performance, focusing on speed and scalability.
• Build enterprise-grade systems using AI-accelerated development workflows.

Qualifications

• Degree in Computer Science, Engineering, Physics, or a related technical field.
• At least 7 years of experience in advanced Java backend development and software architecture, preferably in high-load systems.
• Strong experience building cloud-native Java applications, particularly using GraalVM Native Image to achieve fast startup times and low memory consumption.
• Hands-on experience with reactive frameworks and technologies, such as Spring WebFlux, Mutiny, and Vert.x.
• Deep knowledge of JVM internals, LLVM, GraalVM, or JIT compilation.
• Expertise in modern Java frameworks, including LangChain, Quarkus, and Micronaut.
• Proficiency in working with non-relational databases, such as MongoDB, Redis, and graph databases, as well as tools such as Kafka, GRpc.
• Strong understanding of authentication and authorization protocols, including OpenID Connect and OAuth 2.1, as well as backend performance optimization techniques.

Nice-to-Have Skills

• Kafka / Event-Driven Messaging
• Kubernetes & Helm
• Observability (OpenTelemetry, Prometheus, Grafana)
• Hybrid Search in Elasticsearch: Extends classic tokenizers into modern AI/RAG search patterns.
• Distributed Caching
• AI-assisted development using Claude Code for automated coding, refactoring, and workflow automation.

What We Offer

• Competitive compensation package
• Full health care coverage
• Flexible vacation and time-off policy
• A collaborative and comfortable office space in central Yerevan

How to Apply

Interested candidates are invited to send their CVs to myjob@polixis.com with the subject line "Senior Java Engineer".

Please note that only shortlisted candidates will be contacted. This is a full-time onsite position and cannot be combined with any other employment. Remote work is not available for this position.