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Senior Java Developer – Freelance Contract (12 Months) – Banking/Payments. Orbis is partnering with one of the largest global banking organizations in the Netherlands, seeking a Senior Java Developer to join their Smart Payments Processing division on a freelance basis. This role is ideal for a highly experienced Java Developer with a strong background in payments processing and cloud-based architectures.
Job Responsibility:
Develop and maintain Java-based backend systems for payments processing
Design and implement REST APIs and scalable microservices solutions
Work with Azure cloud technologies, ensuring robust and secure deployments
Utilize Docker and containerization to enhance system performance and reliability
Collaborate with cross-functional teams to optimize payments infrastructure
Ensure compliance with banking and financial regulations
Requirements:
Proven experience as a Senior Java Developer, specializing in payments processing
Strong backend development skills: Java, SQL, REST APIs, design patterns
Experience with cloud principles, specifically Azure
Proficiency in Docker and microservices architecture
Payments Service Provider (PSP) experience is essential
Ability to work in a hybrid model, with onsite presence in Utrecht 2-3 days per week
What we offer:
Work on cutting-edge payment processing technology within a leading banking institution
Freelance flexibility with a high likelihood of extension or permanent transition
Competitive hourly rate (€80-95+, based on experience)
Opportunity to contribute to large-scale, high-impact financial services projects