Fiserv, a global leader in Fintech, is seeking a Senior Java Developer to join the Commerce Hub delivery team in Alpharetta, GA. You will design and build scalable microservices and APIs for real-time payment processing, leveraging Spring, cloud services, and modern dev practices.
Work includes end-to-end API delivery, high-throughput transactions, and client libraries. You'll collaborate across teams to define API specs and ensure secure, reliable integrations for merchants and financial
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