Senior Software Engineer

AvenuesHR Consulting · 1 month ago
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Salary
≈ $16k – $36k per year (Estimated)
Location
In office (Chennai)
Seniority
Senior · 5+ years exp

First seen by Alion on Sep 29, 2026.

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AvenuesHR Consulting

AvenuesHR Consulting is an Indian HR consultancy that recruits for technology roles. Its current listing is for a senior software engineer working on 3-D Secure authentication and payment transaction processing systems, including access control servers aligned with EMVCo 3DS 2.x. The company is headquartered in Chennai, India.
avenueshr.com · HQ: Chennai, India · Recruiting & Staffing

Senior Software Engineer - 3DS & Payments


Location : Chennai (Remote)


Experience : 5+ Years


Job Type : Full-time


About the Role :


We are looking for a Senior Software Engineer with strong 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.

Skills

Payment System, Transaction Processing System, Access Control List, REST API, Microservices Architecture, AWS, PostgreSQL

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