Senior Java Engineer - Hybrid, Growth & Observability

Mindbox Sp. z o.o.; Kraków; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Interpolska Health Care

Multisport card

Warta Insurance

High quality equipment

Job summary

Mindbox Sp. z o.o. in Kraków is looking for a Senior Java Engineer to modernize legacy Java applications and build scalable microservices. You will improve observability and security while using AI-assisted tools to accelerate delivery and maintain high code quality.

You will collaborate with Product Owners, IT specialists and Architects to design solutions and drive DevOps practices across environments. Hybrid work with two days per week in Kraków.

Qualifications

• 5+ years of experience developing and supporting distributed systems in Java.
• Ability to build applications and microservices using Java 17 and Spring Boot.
• Strong knowledge of modern Java frameworks and patterns (Spring Cloud).
• Familiarity with DevOps tools and CI/CD practices.
• Proficient in app lifecycle management tools: JIRA, Confluence, Ansible, Jenkins.

Responsibilities

• Proactively engage in service management activities (Incident, Problem, and Service Delivery)
• Modernize and maintain legacy systems using AI-assisted coding tools (GitHub Copilot, Claude Code)
• Collaborate with Product Owners, IT specialists, and Architects to design scalable solutions
• Analyse technical and non-technical requirements; provide service-oriented recommendations
• Design and build robust, secure microservices using modern Agile methods and DevOps principles
• Develop observability tools for monitoring, alerting, incident detection, and performance optimization
• Drive CI/CD automation and ensure release readiness across environments
• Note: Detailed project information will be shared during the recruitment process.

Skills

Distributed systems

Java 17

Spring Boot

Spring Cloud

CI/CD / DevOps

Cross-team collaboration

Analytical & communication skills

Tools

JIRA

Confluence

Ansible

Jenkins

GitHub Copilot

Job description

Mindbox Sp. z o.o. in Kraków is looking for a Senior Java Engineer to modernize legacy Java applications and build scalable microservices. You will improve observability and security while using AI-assisted tools to accelerate delivery and maintain high code quality.

You will collaborate with Product Owners, IT specialists and Architects to design solutions and drive DevOps practices across environments. Hybrid work with two days per week in Kraków.