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Java Software Engineer

Warsaw, Mazowieckie, Poland🌐 Remote💼 Full-time🗓 2026-06-10 → 2026-07-31

Core

Design and build scalable, low-latency, high-performance backend services for a global trading platform, ensuring robustness, speed, and security for financial transactions.

Role type

Senior IC Java Software Engineer (FinTech/Trading)

Builds

Distributed, asynchronous, and event-driven backend systems for a digital assets trading platform

Domain

FinTech / Trading / High-frequency systems

Deliverable

production ML models | product features

Required skills

Java Core, Spring Framework, SQL databases, asynchronous programming, concurrency, multithreading, event-driven architecture, Kafka, Kubernetes, CI/CD pipelines, JVM optimization, AI tools for development

Preferred skills

No-SQL databases, in-memory cache solutions

Technologies

Java, Spring, Kafka, Kubernetes, SQL, CI/CD tools

Responsibilities

Design and build scalable, low-latency backend services; Develop distributed and asynchronous systems ensuring reliability; Optimise performance across JVM, databases, caching, and networking layers; Apply security best practices in handling client PII and financial transactions; Use event-driven architectures and modern messaging solutions; Maintain high code quality through testing, code reviews, and CI/CD practices

Seniority

Senior, hands-on IC

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