At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.
As a Senior Software Engineer, you will join our Kraków-based team to work on evergreening legacy Java applications and supporting production systems. You will build modern Java microservices, improve observability and reliability, and use AI-driven tools like GitHub Copilot to accelerate delivery while maintaining high standards of code quality and security.
Sounds like your kind of challenge?
What you’ll be doing
- 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.
What you get in return
- Flexible cooperation model – choose the form that suits you best
(B2B, employment contract, etc.) - Hybrid work setup – remote days available depending on the client’s arrangements – 2 days a week from the office in Kraków
- Collaborative team culture – work alongside experienced professionals eager to share knowledge
- Continuous development – access to training platforms and growth opportunities
- Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more
- High quality equipment – laptop and essential software provided
Who we’re looking for
- 5+ years of experience in 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
- Excellent analytical and communication skills; ability to work across global teams
- Structured, independent work approach with high attention to detail
Technology stack: Java SE, Spring Boot, Spring Cloud, Angular, GCP, Redis, REST APIs, Ansible, Jenkins
Nice to Have
- Knowledge of vulnerability remediation practices
- Experience in optimizing applications for observability and resiliency
- Hands-on exposure to AI-enabled SDLC practices
Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.
I will handle your recruitment
Marek Lemański

