Lead Java Developer

Senior–Lead Remote Kraków, Poland Full-time Опубликовано 3 месяца назад

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Навыки и стек

Languages

Java

Frameworks

Spring Boot

Tools & Infra

PostgreSQL

Skills

Multithreading Spring Data JPA Spring Security

О роли

Lead Java Developer at Ailleron is a Senior to Lead position with remote work. You will take technical ownership of backend components for a financial-sector platform, with a focus on scalability and reliability.

Work format

This is a full-time position listed in Kraków, Poland.

Skills and tools

Java
Spring Boot
Spring Data JPA
Spring Security
PostgreSQL
Multithreading

What to prepare

Prepare a Java code sample that demonstrates multithreading, and explain the concurrency decisions behind it.
Choose a Spring Boot example showing how you used Spring Data JPA and Spring Security.

Обязанности

Design backend systems, database architecture and integration layers.
Plan data migrations and carry them through execution.
Make technical decisions that address quality, performance and security.
Mentor developers and establish standards for their code.
Identify architectural changes that improve the backend.

Требования

At least 7 years developing backend applications, including 2 years in senior Java development or comparable technical leadership.
Expertise in concurrent-system design and multithreading is required.
Experience with Java 21, Spring Boot 4.x, Spring Data JPA and Spring Security.
PostgreSQL database architecture expertise, alongside data migration and change-management experience.
Experience working with Agile and Scrum development practices.

Nice to have

Experience on fintech or digital-banking projects is preferred.

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Ailleron

Product

Warsaw Stock Exchange-listed fintech software provider based in Kraków, building digital and mobile banking platforms (LiveBank, AI Banking) for banks and leasing firms including Santander, ING and BN