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Citypay.io

Posted 3 days ago

Open

Middle/Senior Java Developer

TbilisiOn-siteFull-time

AI Summary

Middle/Senior Java Developer | CityPay.io馃搷 Location: Tbilisi, Georgia | On-Site馃晿 Employment Type: Full-Time馃挵 Salary: Competitive About CityPay.ioCityPay.io is a pioneering cryptocurrency ecosystem in the region, offering seamless and easy cross-border transactions and on-spot payment solutions.

About this role

Middle/Senior Java Developer | CityPay.io
馃搷 Location: Tbilisi, Georgia | On-Site
馃晿 Employment Type: Full-Time
馃挵 Salary: Competitive
About CityPay.io
CityPay.io is a pioneering cryptocurrency ecosystem in the region, offering seamless and easy cross-border transactions and on-spot payment solutions. As we continue to expand across the CIS region, our mission is to integrate cryptocurrency into everyday life and build a strong, innovative, and trusted community.



Key Responsibilities:

  • Architect and develop resilient backend services using Java and Spring Boot.
  • Design systems that can handle large-scale event-driven data flows using Kafka or queues.
  • Write clear, maintainable, and thoroughly tested code.
  • Collaborate with DevOps and QA to ensure services are reliable, observable, and deployable.
  • (Optional) Work on containerization and service deployment in Kubernetes environments.



Required Qualifications:

  • Strong experience in Java (11 or 21) with solid understanding of object-oriented design and microservices architecture.
  • Proven expertise in Spring Boot for building modular, testable, and production-grade APIs.
  • Strong working knowledge of SQL databases (PostgreSQL, MySQL) and NoSQL stores (MongoDB, Cassandra, etc.).
  • Experience designing and implementing efficient, scalable, and fault-tolerant services.
  • Hands-on experience with Kafka or similar event streaming platforms.
  • Practical knowledge of RabbitMQ, ActiveMQ, or other message brokers.
  • Experience containerizing services with Docker; Kubernetes experience is a plus.
  • Deep understanding of software testing standards and experience writing tests using:
  • JUnit for unit testing
  • Cucumber/Gherkin for BDD-style integration tests



Nice to Have Understanding of financial systems such as:

  • Payments infrastructure
  • Blockchain technologies
  • Card processing systems
  • Payment Service Providers (PSPs)
  • Experience working in regulated environments (fintech, banking, etc.).
  • Familiarity with CI/CD, observability tools, and secure API development.

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