Java Backend Engineer

Responsibilities: — Develop and maintain real-time, front-office platforms supporting investment decision-making, liquidity management, and trading workflows. — Collaborate closely with portfolio managers and traders to design and deliver impactful solutions. — Own the full software lifecycle from requirements gathering to production delivery, focusing on high-availability services, event-driven architectures, and cloud-native applications. — Evolve platform architecture towards scalable, modern infrastructure using AWS and distributed systems. — Apply modern AI tooling (e.g., Copilot, LLMs, MCP frameworks) to enhance developer productivity, testing quality, and operational efficiency. — Identify opportunities for intelligent automation such as anomaly detection and automated diagnostics. — Embed AI-assisted decision support into financing and trading systems for improved model visibility. — Support development of data-driven feedback loops to improve model relevance and system usability. — Design, build, and maintain scalable microservices using Java 21+ and modern frameworks. — Develop new features and evolve existing components with clean, maintainable, and well-tested code. — Apply TDD, CI/CD practices, and uphold strong engineering standards. — Contribute to cloud migration by building containerized, cloud-ready services. — Work with AWS services including Lambda, EKS, RDS, S3, MSK to transition workloads from legacy environments. — Improve observability through metrics, tracing, and logging. — Collaborate with business teams to translate front office workflows into robust technical designs. Requirements: — Bachelor's degree in Computer Science or related field. — 8+ years of Java programming experience including Java Core and multithreading. — Experience with Kafka or other real-time messaging systems. — Experience with Ignite or other memory cache frameworks. — Ability to work independently and in cross-functional teams. — Experience with recovery mechanisms and exception management. — Strong analytical skills for independent learning from code and reverse engineering. — Experience with database systems such as PostgreSQL, MySQL, or Oracle. — Experience with Python. Benefits: — Flexible work setup: remote or hybrid. — Full health insurance coverage for employees based in Poland and Cyprus. — 50% health insurance coverage for spouses and children in Poland and Cyprus. — 24 days of paid vacation. — 10 days of paid sick leave. — 50% reimbursement for professional training, education, and conferences. — Work with a highly professional team. — Engaging teambuilding events and activities. — For relocation to Poland or Cyprus: flight tickets, accommodation rent for the first month for employee and official family. — Visa sponsorship including support with visa application, entry permits, and residence permits.