Subhashree Mohan Swain

About Me

I am a Software Engineer focused on developing scalable and robust backend services for fintech applications. With a B.Tech in Electronics and Communication Engineering from VSSUT, I have a proven track record of reducing API latency by 30%, enabling 1M+ daily transactions, and improving data query speeds by 40%. I specialize in architecting microservices, automating deployments, and driving engineering excellence.

Experience & Achievements

Software Engineer - IserveU

June 2024 – Present

Spearheaded refactoring of Soundbox API system (1M+ daily transactions), cutting response times by 30%.
Engineered backend enhancements with PostgreSQL, Redis, and ClickHouse, boosting query efficiency by 40%.
Designed GraphQL filtering service for multi-parameter audits, accelerating issue resolution by 35%.
Orchestrated Kubernetes and SSL/TLS pipelines, maintaining 99.9% uptime and high security.

Software Engineer Intern - IserveU

Dec 2023 – May 2024

Developed Campaign Play APIs for IoT notification systems, increasing engagement by 15%.
Implemented MQTT-based eventstream services, reducing notification latency by 20%.
Boosted API throughput by 25% through Redis caching and backend optimization.

Technical Skills

Languages

JavaScript (ES6+), Node.js, Express.js, React, GraphQL, REST

Cloud & DB

GCP, Docker, Kubernetes, PostgreSQL, ClickHouse, Redis, MongoDB

Messaging & Tools

MQTT, Google Pub/Sub, BigQuery, Git, JIRA, Postman, Jenkins

Projects

GraphQL Trans Filter

Modular backend filters for detailed queries (ID, device, date), integrated with MQTT alerts.

Tech: GraphQL, MQTT, Node.js

Payment Hub

End-to-end payment orchestration with Hyperswitch integration and real-time status updates.

Tech: Node.js, Hyperswitch, React

Camunda Middleware

Data ingestion service syncing workflow states with BigQuery for real-time analytics.

Tech: Camunda Zeebe, BigQuery

iSwara Soundbox

Fault-tolerant backend for high-volume merchant-device registration and notifications.

Tech: Node.js, PostgreSQL

ClickHouse Opt.

High-volume transactional research for scalable reporting and analytics.

Tech: ClickHouse

Certifications

GCP Professional

Cloud Architect

Postman API

Fundamentals

SQL for Data Science

Coursera

Docker & K8s

Udemy

Education

Veer Surendra Sai University of Technology

2020 – 2024

B.Tech, Electronics and Communication Engineering

Burla, Odisha

KIIT Higher Secondary School

2018 – 2020

Higher Secondary Education

Bhubaneswar, Odisha

Contact Me

Email: subhashreemohanswain@gmail.com

Phone: +91-8260532791

Github: subha-90

Website: subha-90.github.io

LinkedIn: subhashree-mohan-swain-158a85204