Staff / Principal Software Engineer | Distributed Systems | Payments | FinTech | AWS | Java

About Me

Staff engineer with 14 years building systems that move money reliably — from telecom billing platforms and card transaction processing, to the cross-border remittance infrastructure I own today at JPMorgan Chase.

At JPMC I work on backend systems processing over a million payment transactions a day across NEFT, RTGS, and IMPS rails. I own the service architecture for remittance workflows, design event-driven microservices in Java and Kafka, build the compliance and sanctions workflows that sit between the customer and the payment network, and lead cloud migrations that need to land with zero customer impact.

I care about systems that are easy to reason about under pressure — clean idempotency boundaries, observable failure modes, and services that degrade gracefully when a downstream provider does not.

Core Expertise

Distributed systems & payments

  • Building microservices for high-volume financial transaction workflows
  • Designing REST APIs and Kafka-based event-driven services
  • Improving performance and reliability of distributed systems
  • Applying resilience patterns such as retries, idempotency, and circuit breakers
  • Experience working across payment ecosystem integrations (FX, compliance, sanctions screening)

Cloud migration & platform modernisation

  • Migrating on-prem services to AWS cloud-native environments
  • Coordinating across multiple dependent systems during migration
  • Worked with financial platforms such as sanctions screening, FX services, host-to-host integrations, and compliance validation systems
  • Ensuring zero client impact during platform transitions

Reliability & observability

  • Monitoring distributed services using Splunk, Grafana, CloudWatch
  • Improving production stability through better logging and metrics
  • Performance testing using JMeter
  • Troubleshooting production issues in high-volume environments

Technical leadership

  • Leading design discussions for backend services
  • Mentoring engineers on system design and coding practices
  • Working closely with Product, Platform, and SRE teams
  • Supporting architecture improvements across services

Key Project

Payment Microservices Platform (JPMorgan Chase)

Worked on backend services supporting global remittance workflows integrating with multiple financial systems.

Responsibilities included service design, migration support, and improving system reliability.

Key contributions:

  • Developed Spring Boot microservices supporting payment orchestration flows
  • Contributed to migration from on-prem infrastructure to AWS
  • Built Kafka-based asynchronous processing flows
  • Coordinated with multiple teams to ensure smooth migration with no client impact
  • Improved service stability through better retry logic, error handling, and monitoring
  • Collaborated with Product and SRE teams to improve operational visibility

Impact:

  • Improved system reliability (~30%)
  • Reduced API latency (~40%)
  • Reduced release cycle time through CI/CD improvements
  • Enabled zero-downtime deployments
  • Improved scalability of transaction processing services

CI/CD & Delivery Improvements

  • Improved CI/CD pipelines using Jenkins and Spinnaker
  • Introduced blue-green and canary deployment approaches
  • Improved rollback safety and deployment confidence
  • Reduced manual effort in release processes
  • Enabled faster and safer production releases

Performance & Reliability Work

  • Conducted performance testing using JMeter
  • Identified bottlenecks in high-traffic APIs
  • Improved stability using retry and circuit breaker patterns
  • Improved monitoring coverage and alerts
  • Reduced recurring production issues

Architecture Approach

My focus is on building systems that are reliable, maintainable, and easy to evolve.

Microservices

  • Spring Boot based services with clear boundaries
  • REST APIs with consistent validation and error handling
  • Independent deployment across services

Event-driven communication

  • Kafka for asynchronous workflows
  • Reduced coupling between services
  • Reliable event processing using retry and idempotency patterns

Cloud infrastructure

  • AWS (EKS, RDS, S3)
  • Containerised workloads using Docker and Kubernetes
  • Auto-scaling support for variable traffic

Security

  • OAuth2 and mTLS based service communication
  • Encryption for sensitive data
  • Secure API integrations

Observability

  • Splunk, Grafana, CloudWatch
  • Improved logging and monitoring visibility
  • Faster issue detection and resolution

Previous Experience

ITC Infotech (Santander UK)

  • Built microservices supporting card transaction systems
  • Developed REST APIs and Kafka consumers
  • Improved reliability of payment workflows
  • Worked with OpenShift-based environments

Cognizant (JPMorgan Chase)

  • Developed Spring Boot microservices
  • Worked with Spring Cloud ecosystem
  • Improved CI/CD practices
  • Supported API design and integrations

Huawei Technologies

  • Developed backend services for telecom platforms
  • Implemented secure authentication integrations
  • Built enterprise service components
  • Participated in technical design discussions

Engineering Toolkit

I mainly work in the Java ecosystem, building distributed backend services that run on cloud-native infrastructure. My focus is on designing reliable systems that are easy to operate, scale, and evolve.

Core stack

Java • Spring Boot • Kafka • AWS • Kubernetes • PostgreSQL

Cloud & Infrastructure

AWS (EKS, ECS, RDS, S3, IAM, CloudWatch)
Docker, Kubernetes
Terraform (working knowledge)
Platform environments: PCF, GAIA

Messaging & asynchronous processing

Kafka
AWS SNS / SQS

Event-driven communication, idempotent processing, retry patterns

Observability & reliability

Splunk
Grafana
CloudWatch
Datadog
Dynatrace

Logging, metrics, alerting, production troubleshooting

CI/CD & delivery

Jenkins
Spinnaker
Git
SonarQube

Experience working with automated build, test, and deployment pipelines

Testing & performance

JUnit
Cucumber
JMeter

Unit testing, integration testing, performance validation

Education

Bachelor of Technology – Information Technology

AWS Certified Developer – Associate

LinkedIn
https://www.linkedin.com/in/ramesh-boopathi-7a840130

GitHub
https://github.com/SanjaiRamesh