Senior Java Microservices Architect & Technical Leader

Euroclear; Kraków; On-site; PLN 240,000 - 360,000; Full time

Job summary

Euroclear Kraków seeks a Senior Expert Engineer to design, implement, and improve scalable financial IT solutions. You’ll mentor peers, lead cross-team initiatives, and shape product functionality while ensuring quality and reliability.

You’ll work on modern backend systems, Java services, and event-driven architectures in a Linux environment with Docker, Kubernetes, and Kafka. Strong English skills and autonomous collaboration are essential.

Qualifications

• Strong Java and OO design skills are required.
• Experience building Java services and microservices.
• Hands-on Docker, Kubernetes and containerized services.
• Spring Boot and modern backend development experience.
• Experience developing on Unix/Linux platforms.
• Hands-on Kafka and event-driven architectures.
• Proficiency in performance tuning and reliability.
• Knowledge of BDD and TDD practices.
• Collaborative, self-driven, and able to work autonomously.
• Strong English communication both written and spoken.
• Solid knowledge of Git workflows, logging, monitoring, and secure coding.

Responsibilities

• Drive design, architecture, and implementation of scalable solutions across teams.
• Mentor engineers and support complex problem solving.
• Lead ideation workshops to improve product functionality and UX.
• Define, estimate, and validate multi-team requirements.
• Anticipate dependencies and improve planning for quality delivery.
• Maintain production stability through durable fixes and proactive actions.
• Promote coding standards and best practices.
• Support continuous improvement of code quality and engineering practices.

Skills

Java

OO Design

Docker

Kubernetes

Spring Boot

Unix/Linux

Kafka

Performance

BDD/TDD

Git workflows

English

Secure coding

Mainframe exposure

Oracle DB

SQL

Tools

Oracle DB

SQL

Job description

Euroclear Kraków seeks a Senior Expert Engineer to design, implement, and improve scalable financial IT solutions. You’ll mentor peers, lead cross-team initiatives, and shape product functionality while ensuring quality and reliability.

You’ll work on modern backend systems, Java services, and event-driven architectures in a Linux environment with Docker, Kubernetes, and Kafka. Strong English skills and autonomous collaboration are essential.