Java Developer | AI-Driven Core Banking Platform | ID: 324
- Freelance
- Full Time
- €4500 - €5000 / Month
Job Description
This is a unique opportunity to contribute to the next generation of cloud-native, AI-powered core banking systems while working in a stable, long-term environment with exceptionally low employee turnover. If you are a Java developer who wants to combine modern microservices architecture with real-world, business-critical impact, this role offers both challenge and long-term growth. Become part of a dynamic, globally connected team operating across Europe and Asia.
Role Overview:
We are seeking an experienced Java Developer to contribute to the evolution of a next-generation core banking platform. The role initially combines development (50%) and production support (50%), gradually shifting toward full development within a modern cloud-native architecture.
You will collaborate with distributed teams across Europe and Asia, reporting directly to an international manager. This position offers exposure to both legacy enterprise systems and modern microservices-based architecture, including AI-driven banking solutions.
Key Responsibilities:
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Design, develop, and enhance Java-based applications and APIs
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Contribute to the development of a cloud-native, microservices-based core banking platform
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Maintain and enhance existing enterprise banking components
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Provide 1st and 2nd level technical production support
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Troubleshoot and resolve incidents in mission-critical production systems
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Participate in deployment activities and release management
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Collaborate with distributed international teams across time zones
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Contribute to system modernization and architectural improvements
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Ensure high code quality through adherence to development standards
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Participate in onboarding and structured training for next-generation platform development
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Support database-related development tasks (Oracle and MySQL)
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Assist in technical documentation and knowledge sharing
Key Technical & Professional Skills:
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Strong hands-on experience with Java (Java 8 and Java 21+)
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Experience in API development
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Understanding of microservices architecture
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Familiarity with Kafka, Kubernetes, containerized environments
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Experience with Oracle (legacy systems) and/or MySQL
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Knowledge of Unix/Linux environments
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Experience in SDLC processes within distributed teams
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Strong analytical and troubleshooting skills
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Ability to work independently and take ownership
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Continuous learning mindset
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Web stack knowledge (HTML, JavaScript) is an advantage
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Exposure to AI-driven solutions is a strong plus
Requirements
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Minimum 3+ years of professional experience in Java development (Medior/Senior level)
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Proven experience developing APIs and backend services
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Experience working with enterprise-grade systems
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Strong debugging and production support capabilities
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Familiarity with relational databases (Oracle and/or MySQL)
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Experience working in distributed or international teams
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Ability to adapt between development and support tasks
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Strong communication skills and proactive approach
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Ability to work within European time zone while collaborating globally
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Willingness to travel to Asia during onboarding phase
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Experience in fintech/banking is a strong advantage
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Experience with cloud-native architecture is highly desirable
Required Education
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Bachelor’s or Master’s degree in Computer Science, Information Technology, Engineering, or a related field
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Relevant certifications in Java or cloud technologies are considered an advantage
Required Language
- English - C1
Suitable For Graduates
No
Skills
Employee Benefits
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Flexible cooperation model: Employment (TPP) or Contractor (IČO)
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Remote-first / hybrid work model
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Modern office in Bratislava (CBC4, Karadžičova)
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Stable, long-term career opportunity with extremely low turnover
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Annual salary review
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Exposure to global banking clients and enterprise-scale systems
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Opportunity to work on AI-infused digital banking solutions
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International collaboration (Europe & Asia)
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Structured onboarding including training abroad
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Work-life balance culture (not performance-pressure driven)
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Participation in long-term strategic platform modernization