Merchant Integration & Solutions Engineer - Payment Domain in Bangalore, भारत

Job Overview:We are currently looking for a high-performing Merchant Integration & Solutions Engineer to join our fast-paced Merchant Integration team. In this role, you will manage end-to-end technical onboarding for enterprise and mid-market merchants, serving as the primary technical interface between client developers and internal engineering https://jobeax.com/link/ZlR3JZToBtLJKlA9 Responsibilities:- Merchant Onboarding & Technical Enablement: Manage end-to-end client onboarding workflows for new and existing merchants across web, mobile, and app platforms.- API Integration & Implementation: Assist merchant development teams in integrating REST APIs, Webhooks, Seamless/Hosted Checkouts, and Payment Gateway switches (UPI, Cards, NetBanking, BBPS, Wallets).- Testing & UAT Certification: Perform and facilitate UAT (User Acceptance Testing) and system integration testing (SIT) to validate transaction payloads, response codes, checksum/hash validations, and callback URLs.- Technical Troubleshooting & Defect Triage: Diagnose and resolve complex API integration issues, payload mismatches, timeout errors, signature verification failures, and network drop-offs during pre-production and post-go-live phases.- Documentation & Developer Support: Maintain and update merchant integration kits, developer API specifications, sample codes, Postman collections, and FAQs.- Cross-Functional Coordination: Coordinate closely with internal Product, Engineering, Operations, and Business Development teams to escalate critical bugs and track merchant go-live https://jobeax.com/link/S3z348y7DKdx2x78 Profile & Skills:- Experience: 2 to 4 years of relevant experience in technical integration, solutions engineering, or technical client onboarding within a fintech, payment gateway (PG/PA), or banking environment.- Technical Proficiency: Strong functional understanding of REST APIs, JSON/XML payloads, Webhooks, status codes, and Postman API testing.- Payment Domain Knowledge: Good grasp of digital payment mechanisms (UPI, Card Acquiring, NetBanking, Tokenization, Settlement & Refunds, Webhook lifecycles).- Testing & Quality Assurance: Hands-on experience in UAT System Integration Testing, test case design, and transaction log analysis.- Education: B.E. / https://jobeax.com/link/2DENLGgQM7whDhaE / BCA degree. (ref:hirist.tech)