Java Developer with Payment Domain

Quantum World Technologies Inc. · Boston, MA
LinkedIn

Posted

Jul 11, 2026 (4d ago)

Seniority

Not Specified

Work Model

On-site

Type

Contract

Category

Backend

Salary

$20k+

Skills

Java Linux Oracle SQL Swift Unix

Description

Job Title: Java Developer with ACI Real-time payments Location: Quincy, MA (Onsite) Hire Type: Contract Payments: RTP, FEDNow, TCH RTP, ISO20022, ACH, SWIFT, Wire Payments, Instant Payments, High Value Payments Job Description Candidate having 10+ years of experience as ACI RTPS Developer to work on real-time payment processing systems. The candidate will be responsible for development, customization, and support of ACI Real-Time Payments platform (RTPS) for global banking clients. Roles & Responsibilities Develop and support applications on ACI RTPS platform Good understanding of Real-Time Payments architecture Customize payment workflows and transaction processing logic Hands-on experience in: Java / J2EE, Oracle / PL-SQL and Unix/Linux, REST/SOAP APIs Handle integration with core banking and external payment systems Work with payment messages (SWIFT, XML/JSON) Perform unit testing, integration testing, and deployment support Ensure high performance and availability of payment systems Collaborate with BA, QA, and business stakeholders Hands on exp in DevOps / CI-CD Hands of exp working in payment domains (payment processing and payment reconciliation): RTP / Instant Payments, ACH, SWIFT etc.