---
title: "Sriram Kalidoss Venthan - Software Engineer in Coimbatore | Tal"
description: "Meet Sriram Kalidoss Venthan, Backend Developer | AWS Certified Developer – Associate | Java • Spring Boot • Spring AI • Microservices • OAuth2 • AWS | Open Banking & FinTech based in Coimbatore. AI stack includes anthropic apis, claude code, and claude."
image: "https://tal.club/meet/sriram-kalidoss-venthan/share-image"
---

# Sriram Kalidoss Venthan on Tal

## Headline

Backend Developer \| AWS Certified Developer – Associate \| Java • Spring Boot • Spring AI • Microservices • OAuth2 • AWS \| Open Banking & FinTech

## About

Backend Engineer with 4\.8 years of experience building and supporting secure, high\-traffic account verification and open banking systems using Java and Spring Boot\. I build microservices that handle 500K\+ requests/day across 40\+ financial institutions, and I implemented open banking APIs based on the Berlin Group openFinance API Framework\. My focus is identity and API security: OAuth 2\.0, OpenID Connect, Private Key JWT, mTLS, and SAML on Keycloak for multi\-tenant platforms, used to integrate JPMorgan Chase, QNB, AUB, and 30\+ UK banks\. In account verification, I delivered Confirmation of Payee for Pay\.UK and Verification of Payee for the European Payments Council, building ISO 20022, XML, and JSON message validation with retry and fallback handling\. Ive also worked in the production support team, handling live incidents across 20\+ integrated banking systems: root cause analysis, tracing partner failures through Elasticsearch, Kibana, and Grafana, and fixing JVM memory and CPU bottlenecks\. Tech: Java, Spring Boot, Microservices, AWS Services, PostgreSQL, Redis, Docker, Kubernetes, Keycloak, NGINX, GitLab CI/CD, Elasticsearch, Kibana, Grafana, AWS Certified Developer – Associate\. Currently serving my notice period\. Open to Backend / Software Engineer roles\. ✉️ sriram\.v2001@gmail\.com 📞 \+91 88380 70771

## Location

Coimbatore

## AI stack

anthropic apis

claude code

claude

codex

ollama

## Work experience

Software Engineer at Banfico, Aug 2023 \- Present · 3 yrs 3 mos, \- Implemented asynchronous workflows using IBM MQ to enable reliable and scalable communication between banking partners and the Banfico platform\. \- Played a key role in migrating the platform from a single\-tenant to a multi\-tenant architecture, owning the backend implementation and working closely with DevOps and engineering teams to support the production rollout for 40\+ banks\. \- Developed mutual TLS \(mTLS\) authentication flows for bank\-to\-bank communication using eIDAS\-compliant certificates across European financial institutions\. \- Contributed to building Berlin Group Open Finance APIs from the ground up, implementing Web\-to\-Web, App\-to\-App, and Embedded authentication flows using Keycloak for identity and access management\. \- Developed cloud\-based features using AWS S3, including secure pre\-signed URL generation, object lifecycle management, and other backend services for file storage and access\. \- Collaborated with cross\-functional teams to deliver secure, scalable backend services while supporting production deployments and partner integrations\.

Associate Software Engineer at Banfico, Aug 2022 \- Jul 2023 · 1 yr, \- Contributed to the end\-to\-end development of the Confirmation of Payee \(CoP\) solution for the UK, from initial design through successful production rollout\. \- Designed a rule\-driven name\-matching engine using Spring MVEL, enabling dynamic and customizable matching logic aligned with Pay\.UK Confirmation of Payee standards\. \- Developed Dynamic Client Registration \(DCR\) capabilities, enabling banks to securely onboard and integrate with the platform\. \- Implemented secure core banking integrations and Single Sign\-On \(SSO\) solutions using SAML 2\.0 and OpenID Connect \(OIDC\) with Keycloak, enabling seamless integration with leading financial institutions including JPMorgan Chase, QNB, AUB, and 40\+ banking partners\. \- Designed and developed secure, regulatory\-compliant REST APIs using OAuth 2\.0, mTLS, and Private Key JWT to meet open banking and financial industry standards\. \- Collaborated across engineering teams to deliver scalable microservices, troubleshoot production issues, and ensure reliable system performance\.

Intern at Banfico, Mar 2022 \- Jul 2022 · 5 mos, Hybrid, \- Developed backend services using Java, Spring Boot, and a microservices architecture\. \- Designed and implemented secure REST APIs protected with OAuth 2\.0, using PostgreSQL to support core banking functionality\. \- Containerized applications using Docker to streamline development and deployment\. \- Built a prototype of a core banking platform and presented it during an internal project demo\. \- Collaborated with senior engineers, participated in code reviews, and adopted software engineering best practices\.

## Education

Bachelor of Technology \- BTech, Information Technology, Sri Krishna College of Technology

[View the original profile](https://tal.club/meet/sriram-kalidoss-venthan)

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