#Java #JavaDeveloper #BackendDeveloper #SeniorJava #Fintech #Banking #Kubernetes

Company: Zontik Work Format: RUSSIA ONLY Salary: up to 310k gross (Individual Entrepreneur/Labor Contract)

Senior Java Backend Developer MUST HAVE EXPERIENCE WITH DIGITAL RUBLE OR INTEGRATIONS WITH GOVERNMENT SYSTEMS

We are looking for a Senior Java Backend Developer for a large banking project team. The focus is on developing Digital Banking Services (DBS), integrations with government platforms, and digital ruble infrastructure.

🧠 What we expect:

— Higher technical education; — Minimum 5 years of experience as a Senior Java Developer, preferably in banks or fintech; — Experience with Corporate/Retail Digital Banking Services / Core Banking Systems (ABS); — Experience connecting to the digital ruble platform, SMEV, ESIA, GIS GMP, or SBP — will be a big plus; — Experience in independent design of microservices and functional blocks; — Understanding of microservice architecture approaches; — Ability to work with C4 diagrams (level 4 detail); — Experience developing applications for Kubernetes in a multi-pod mode; — Experience with Kafka / RabbitMQ and event-driven architecture; — Understanding of Circuit Breaker, Rate Limiting, idempotency; — Experience with distributed transactions (ACID, Saga, 2PC); — Experience in designing transactional data models and audit trails.

🔐 Especially important:

— Experience with Java cryptography (JCA/JCE); — Practical experience using CryptoPro JCP/CSP, ViPNet Java TLS, or similar; — Understanding of working with Qualified Electronic Signatures (UKEP) and GOST-compliant signatures; — Understanding of backend interaction with the Bank of Russia's Payment System (PM); — Experience with complex XML/XSD schemas (JAXB/Jackson).

🛠 Technology Stack:

Java 17/21, Spring Boot, PostgreSQL, Liquibase, Kafka, RabbitMQ, Kubernetes, Camunda, CryptoPro, ViPNet Java TLS

📩 Contact: dyshaeva