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Hi there! I’m Gnanasree, a Software Development Engineer with 6+ years of building distributed backend services and REST APIs for ecommerce, investment banking, and consumer lending. I work with Python, FastAPI, and Java across cloud-native platforms. I’m passionate about microservices, event-driven processing, DevSecOps pipelines, and authentication with SSO. I focus on unit and integration testing and delivering reliable production systems through Agile practices.…Hi there! I’m Gnanasree, a Software Development Engineer with 6+ years of building distributed backend services and REST APIs for ecommerce, investment banking, and consumer lending. I work with Python, FastAPI, and Java across cloud-native platforms. I’m passionate about microservices, event-driven processing, DevSecOps pipelines, and authentication with SSO. I focus on unit and integration testing and delivering reliable production systems through Agile practices.

Gnanasree

Full Stack Developer, Back-End Developer, Web Developer, +4

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Hi there! I’m Gnanasree, a Software Development Engineer with 6+ years of building distributed backend services and REST APIs for ecommerce, investment banking, and consumer lending. I work with Python, FastAPI, and Java across cloud-native platforms. I’m passionate about microservices, event-driven processing, DevSecOps pipelines, and authentication with SSO. I focus on unit and integration testing and delivering reliable production systems through Agile practices.…Hi there! I’m Gnanasree, a Software Development Engineer with 6+ years of building distributed backend services and REST APIs for ecommerce, investment banking, and consumer lending. I work with Python, FastAPI, and Java across cloud-native platforms. I’m passionate about microservices, event-driven processing, DevSecOps pipelines, and authentication with SSO. I focus on unit and integration testing and delivering reliable production systems through Agile practices.

Available to hire

Hi there! I’m Gnanasree, a Software Development Engineer with 6+ years of building distributed backend services and REST APIs for ecommerce, investment banking, and consumer lending. I work with Python, FastAPI, and Java across cloud-native platforms.

I’m passionate about microservices, event-driven processing, DevSecOps pipelines, and authentication with SSO. I focus on unit and integration testing and delivering reliable production systems through Agile practices.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Javanese

Fluent

Aragonese

Advanced

Bashkir

Advanced

English

Fluent

Work Experience

Software Development Engineer II at Amazon

January 1, 2025 - Present

Built Python-based backend services and REST API endpoints using FastAPI to power high-throughput workloads on AWS ECS. Designed event-driven processing pipelines with Kafka and Lambda to handle asynchronous notifications and feed delivery. Led legacy system migration moving batch file workflows to cloud-native services on AWS infrastructure. Developed service components powering member profiles and connection flows across personalized feeds and notification systems. Drove operational excellence with capacity reviews, dependency audits, and on-call enablement. Implemented OAuth2.0 / IAM-based SSO authentication for securing internal APIs and services. Improved profile fetch latency by 33% via batched lookups and prefetch caching. Implemented task queues with SQS and Redis to decouple high-volume backend processing. Collaborated with Growth/Engagement teams to ship A/B tested features impacting retention.

Software Engineer at JP Morgan

July 1, 2019 - December 1, 2022

Owned DevSecOps pipelines enforcing SOX-compliant security gates across 14 critical financial backend services. Implemented secure API contracts with TLS, request signing, and rate limiting for inter-service communication. Built Axway FTP ingestion layers routing settlement files to event-driven processing queues for audit review. Created event-sourced ledger services maintaining auditable history of account state transitions for compliance. Migrated legacy batch workflows to modernized Java service layers. Reduced batch settlement processing time by 47% through query optimization and partitioned processing. Mentored junior engineers on testing standards, code reviews, and technical documentation.

Junior Software Engineer at Bajaj Finance

April 1, 2017 - June 1, 2019

Built unit testing and integration testing suites covering loan origination and repayment authorization workflows. Implemented omnichannel order orchestration service layers including pickup, delivery, and store fulfillment routing. Reduced loan disbursement processing time by 31% via parallel queues and database partition reads. Created reusable discount/promotion engine with gating, eligibility evaluation, and audit-ready calculation traces. Wrote integration tests for carts, checkout, and payment authorization workflows. Supported holiday peak readiness with chaos drills, capacity rehearsals, and runbook validation exercises.

Software Engineer at JPMorgan

July 1, 2019 - December 1, 2022

Owned DevSecOps pipelines enforcing SOX-compliant security gates across 14 critical backend services. Implemented secure API contracts with TLS, request signing, and rate limiting for inter-service communication. Built Axway FTP ingestion layers routing for event-driven processing queues; built event-sourced ledger services maintaining auditable history of account state transitions. Migrated legacy batch workflows to modern Java-based pipelines; designed onboarding flows with KYC validation and documentation processing. Established automation and documentation to support onboarding and production readiness.