FX Senior Java Developer (f/m/x)

We are looking for an experienced Senior Java Developer to join a team responsible for building and developing modern backend systems in a distributed environment. The projects involve high-performance and scalable solutions used in the financial sector, with a focus on processing large volumes of data and microservices architecture. Your tasks • Designing and developing backend systems based on Java • Creating and evolving a microservices architecture • Building and maintaining REST APIs and system integrations • Designing solutions that meet high availability and performance requirements • Working with systems that process large volumes of data • Collaborating with the team using Agile methodologies • Participating in architecture design and technical decision-making • Implementing and optimizing CI/CD processes and ensuring system security Requirements • Minimum 10 years in software development • Very good knowledge of Java (backend) and Spring • Strong understanding of REST APIs, HTTPS, microservices, and message queues (MQ) • Ability to design high-availability, scalable, and high-performance systems • Very good knowledge of relational databases (SQL) • Familiarity with CI/CD pipelines and Agile ways of working • Knowledge of distributed systems and data processing • Hands-on work with Kubernetes and cloud platforms (GCP preferred) • Fluent Polish and English required • Residing in Poland required Nice-to-have requirements • Knowledge of Go, Rust, or similar system-level languages • Experience with NoSQL and analytical databases, e.g., ClickHouse • Frontend development experience • Familiarity with the banking sector (trade lifecycle, FX, post-trade processing) • Banking experience / FX experience (forex) • Working from the office in Krakow 6 times per month