Java Backend Developer

1 week ago

Limerick, Ireland Westhouse Group Full time

Westhouse is one of the leading international recruitment agencies for the procurement of highly qualified experts in fields such as IT lifecycle management, SAP, engineering, commerce and specialist consultancy.
For our client we are currently looking for a
Java Backend Developer (m/f/d) - Limerick
General information
Reference: 175536
Start: 2025-11-03 (ASAP)
Duration: 30.08.2026 + Option
Location: Limerick
Scope of work: full-time, 5 Days Onsite
Languages: English
Your qualifications
Minimum 5 years of experience as a Java Backend Developer, ideally in a high-transaction, enterprise-scale environment.
Strong experience with backend development using Java and associated technologies (Spring, Hibernate, etc.).
Solid understanding of non-functional requirements such as scalability, availability, and performance.
Familiarity with payment gateway systems, APIs, and protocols.
Experience with microservices architecture and designing scalable backend systems.
Experience or interest in implementing industry standards such as Nexo or other payment protocols.
Ability to troubleshoot complex backend issues and collaborate with cross-functional teams to implement solutions.
Strong communication skills and the ability to work well in a team-oriented, agile environment.
Your tasks
Develop and maintain backend systems for the IPG to process high volumes of transactions securely and efficiently.
Ensure the system meets non-functional requirements for performance, scalability, availability, and overall system resilience.
Design, implement, and optimize backend services and APIs in Java to support payment processing.
Collaborate with cross-functional teams to integrate the backend systems with other components of the payment gateway.
Contribute to the adoption of Nexo payment standards and future-proof the platform for alternative payment methods.
Write high-quality, maintainable, and scalable code with a focus on performance and security.
Troubleshoot and resolve complex backend system issues, ensuring minimal downtime and maximum system availability.
Participate in code reviews, providing feedback and ensuring adherence to best practices.
Continuously monitor system performance and optimize backend services to handle increasing transaction loads.
Interested?
We look forward to receiving your application documents in electronic form.
Contact person
Tobias Gollmann
P: +49-89-383772-4135
E: ******
#J-18808-Ljbffr

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