Java Developer

Role Overview

For our client, we are looking for an experienced Java Developer to join a Core Banking team responsible for modernizing and supporting mission-critical banking services.

In this role, you will develop new features, reduce technical debt, and support regulatory requirements across highly available, enterprise-scale systems. The technology stack includes Java 11/17+, Spring Boot, REST APIs, and microservices.

Strong experience with Kafka, Oracle Database, and event-driven architecture is important for building and maintaining reliable integrations with digital banking channels and other critical systems.

Key Responsibilities:

• Design, build, and maintain Java microservices with Spring Boot and JPA/Hibernate
• Develop and integrate REST/SOAP services and Kafka-based messaging solutions
• Optimize SQL queries and ensure performance on Oracle Database
• Contribute to core banking transformation and legacy-modernization initiatives
• Collaborate in Agile/Scrum teams, providing technical leadership and code reviews
• Ensure high availability, resilience, and regulatory compliance across distributed systems

Must-Have Requirements:

• 5+ years of enterprise Java development (Java 11/17+)
• Deep Spring Framework / Spring Boot expertise
• Proven experience with REST APIs, microservices, and event-driven architectures
• Hands-on with JPA/Hibernate, Maven or Gradle
• Proficiency in Kafka (or similar messaging) and Oracle Database performance tuning
• Solid grasp of core banking architecture, integration patterns, and high-availability design
• Experience in production-critical financial environments and Agile/Scrum delivery
• Fluent English plus strong analytical and stakeholder-communication skills

Nice to Have:

• Exposure to core banking platforms such as Oracle FLEXCUBE, Temenos T24, Finacle, Mambu, or Thought Machine
• Experience with Git, CI/CD pipelines, Kubernetes/OpenShift, and AWS / Azure / GCP
• Knowledge of Domain-Driven Design (DDD), automated testing, and ISO 20022 / SWIFT standards
• Background in core banking migration or transformation programs

The offer:

• Full remote
• B2B contract
• Salary is 4500-5500 EUR GROSS/month

Recruitment Process:

• CV Screening: Applications are reviewed within 24 hours.
• Pre-Screening Interview: A brief Q/A session (Automated or with a Recruiter) designed to learn more about your experience related to the required job position.
  1. Automated Session (Recommended) – You can complete this session on your own at a time that is convenient for you. The questions and follow-ups are well-structured and designed to highlight your experience and provide detailed insights into your background. This option is recommended because it's usually more detailed and allows us to provide feedback from the hiring manager faster.
  2. Session with a Recruiter – You can also have the session with a recruiter. The questions are the same, but the discussion may be a bit less detailed, and feedback might take a little longer.

• Shortlisting: Qualified candidates are presented to the hiring manager for review.
• Formal Interviews: On-site discussions with the hiring manager or project team, with feedback provided within 1-2 weeks.
• Offer and Onboarding: Successful candidates receive a formal offer and begin a structured onboarding process.

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