Senior Full Stack Java Engineer

Senior Full Stack Java Engineer

Miejsce pracy: Kraków

Technologies we use

Expected

• Java
• PostgreSQL
• Spring Boot
• JUnit
• Cucumber

Optional

• GitHub Copilot
• Redis
• Hazelcast
• Oracle Coherence
• TypeScript
• Angular
• HTML
• Google Cloud Platform
• AWS
• Docker
• Kubernetes

About the project

We are seeking an experienced Senior Full Stack Java Engineer to join a global technology team building a modern microservices-based Collateral Platform for an enterprise-scale financial organization. This is a key position within a long-term transformation program aimed at replacing legacy monolithic systems with cloud-native, API-first solutions leveraging the latest Java and Angular technologies.

This opportunity offers involvement in cutting-edge projects, exposure to DevOps practices, AI-assisted coding techniques, cloud migration strategies, and the chance to make a tangible impact on global markets technology.

Sounds like your kind of challenge?

Your responsibilities

• Design, develop, and maintain performant, reusable, and reliable Java code as part of a microservices-based ecosystem.
• Contribute to all phases of the software development lifecycle, including design, implementation, unit/integration testing, and deployment.
• Drive adoption of DevOps practices, CI/CD automation, and AI-assisted development tools.
• Implement test-driven development (JUnit, Cucumber) and ensure quality standards across code, security, and performance.
• Provide technical mentorship to junior engineers, promoting knowledge sharing and team development.
• Collaborate with global teams and Agile delivery squads to ensure timely delivery of features and enhancements.
• Assist with platform support, incident resolution, and tooling automation to improve operational efficiency.
• Partner closely with business and QA teams to translate requirements into robust solutions.
• Note: Detailed project information will be shared during the recruitment process.

Our requirements

• 8+ years in Java technology stack development, including solid experience in microservices design using Java 17/21 and Spring Boot 3.x.
• Proficiency with PostgreSQL and relational database systems; ability to write efficient, optimized code.
• Experience implementing secure delivery pipelines (DevSecOps, CI/CD) and integrating testing frameworks.
• Proven history of delivering enterprise-grade applications from design to production in Agile/DevOps environments.
• Strong understanding of REST APIs, messaging channels, and distributed system architecture.
• Unit and integration testing experience using JUnit, Cucumber scenarios, and CI/CD pipeline integration.
• Solid communication skills and ability to work collaboratively within global delivery teams.

Optional

• Hands-on experience with Spring Cloud components (Hystrix, Eureka, Zuul, Feign, Ribbon).
• Familiarity with AI-assisted development tools (e.g., GitHub Copilot).
• Knowledge of in-memory data grid technologies (Redis, Hazelcast, Oracle Coherence).
• Competency in TypeScript, Angular 17, HTML5 for front-end application development.
• Experience with Ansible for deployment automation.
• Exposure to cloud platforms (GCP / AWS) and container orchestration tools (Docker / Kubernetes).
• Understanding of messaging systems (MQ, Solace) and event-driven architectures.

What we offer

• Flexible cooperation model – choose the form that suits you best (B2B, employment contract, etc.)
• Hybrid work setup – 2x/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

This is how we work on a project

• Continuous Deployment
• Continuous Integration
• DevOps
• issue tracking tools
• test automation
• testing environments

Benefits

• sharing the costs of sports activities
• private medical care
• sharing the costs of professional training & courses
• life insurance

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.

Mindbox Sp. z o.o.

At Mindbox, we connect top IT talents with technology projects for leading enterprises across Europe.

Our focus is on matching your skills with work that matters – projects that use modern tech stacks, solve real business challenges, and give you space to grow. By joining us, you’ll deliver technology solutions for well-known brands, supported by the Mindbox team that values knowledge-sharing and continuous development. We make sure you have the tools, flexibility, and guidance to do your best work – and to keep moving forward in your career.