We are looking for a Senior Software Engineer with robust backend engineering experience to work on next-generation - 3-D Secure (3DS) authentication and payment transaction-processing systems .
Key Responsibilities :
- Design and develop high-availability 3DS Access Control Server (ACS)- systems aligned with EMVCo 3DS 2.x- specifications.
- Implement and maintain frictionless, challenge, and decoupled authentication flows.
- Work with cryptographic message construction, validation, JWS/JWE, and 3DS protocol messaging.
- Integrate with card-scheme - Directory Servers- such as Visa, Mastercard, and Amex.
- Build transaction-processing pipelines for authorization events, fraud signals, and decisioning.
- Design and optimize PostgreSQL schemas, indexes, queries, and connection pooling for high-throughput workloads.
- Develop and maintain scalable microservices and REST APIs.
- Deploy and operate production services on AWS , with exposure to GCP environments.
- Ensure reliability, observability, security, and cost efficiency of production systems.
- Work with PCI-DSS, EMVCo, and applicable regulatory requirements.
📌 Senior Software Engineer - 3D Secure Authentication & Transaction Processing System (India)
🏢 AvenuesHR Consulting
📍 India
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