Requirements

Fluency in Java
8+ years of experience in back-end development
A bachelor's degree in computer science, mathematics, physics, or a similar field
Excellent communication and organisational skills
Fluency in English
Expertise in designing and building high-performance, real-time distributed systems
Solid experience with database sharding and scaling high-concurrency systems
Great knowledge of CQRS and event-driven architectures
The ability to start from a business problem, scope a solution, then design, implement, test, release, and maintain it

Nice to Have

Experience in high-load processing environments, particularly in fintech or a similar industry
Experience with a global, multi-regional deployment model
Experience in startups or scale-ups
Experience contributing to projects that impact an entire organisation

Taking full ownership of the financial domain, from addressing a business problem to implementation and maintenance
Deciding on priorities and plans, and influencing business decisions
Working on performance and scalability, ensuring our sharded, CQRS-based architecture can easily scale further
Developing simple and clear APIs that encapsulate financial complexity and consistency for hundreds of services
Participating in company-wide projects, such as seamlessly onboarding and configuring new products and markets
Continuing our scalability journey with ledgers across the globe and a full CQRS storage level
Working directly with Product and Finance teams to become an advisor for new finance functionalities

Krakow: PLN44,300 - PLN46,600 gross monthly*
Poland: PLN44,300 - PLN46,600 gross monthly*
Other locations: Compensation will be discussed during the interview process
*Final compensation will be determined based on the candidate's qualifications, skills, and previous experience