Shashwat Singh

Hello, I'm

Shashwat Singh

Software Development Engineer

Software Development Engineer with 3+ years of experience building scalable backend systems, automation tools, and cloud-native solutions. Passionate about writing clean, efficient code and continuously learning new technologies to solve complex problems.

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< Core Skills />

Languages

Kotlin
Java 25
Python 3

Frameworks

Spring Boot
JUnit
Mockito
MyBatis

Databases

PostgreSQL
MySQL
Redis
OpenSearch

Tools

SonarQube
Sentry
IntelliJ
Kiro

DevOps

Docker
Bitbucket Pipeline
AWS
EC2
S3
Lambda
SES
SQS
Elastic Beanstalk
Git

< Experience & Education />

My professional journey and academic background.

Work Experience

Software Development Engineer II

Vittaka (formerly tech division of Equirus Wealth)

Sep 2025 - PresentNoida, UP
Kotlin, Java, Spring Boot, PostgreSQL, MyBatis, Redis
  • Built a revenue management system with real-time sales tracking and automated split calculations, replacing Excel-based workflows with interactive dashboards.
  • Led complete architecture of RTA Feed Processor — ingesting, reconciling, and computing revenue from 1M+ mutual fund transactions (CAMS & KFintech).
  • Architected a Revenue Calculation Engine processing 1M+ transactions, reducing computation from 3 days to 1 hour.
  • Designed an async job framework powering 6+ modules with retry logic and failure tracking.
  • Mentored interns through technical guidance, code reviews, and structured onboarding.

Software Development Engineer I

Equirus Wealth

May 2023 - Sep 2025Noida, UP
Kotlin, Java, Spring Boot, OpenSearch, PostgreSQL, AWS
  • Automated client RM PowerPoint report generation using Apache POI — from a full day to under 1 minute.
  • Engineered backend systems processing 18L+ transactions worth INR 32 crore with 14K+ active SIPs.
  • Designed complete client onboarding system (signup, KYC, account creation) reducing processing time by 80%.
  • Integrated OpenSearch and optimized dashboard APIs — load time from 1-2s to 200ms.
  • Built email tracking with AWS SES and Lambda, reducing bounce incidents by 75%.
  • Built robust batch rescheduling logic for server failovers, ensuring 100% data integrity.

Software Engineer Intern

Equirus Wealth

Oct 2022 - May 2023Noida, UP
Kotlin, Spring Boot, Redis, PostgreSQL
  • Designed a Producer-Consumer based system to parse CSV, DBF, and Excel files with 100% accuracy.
  • Integrated Penny Drop API and Account Aggregator API for bank validation and financial data retrieval.
  • Improved batch reliability with duplicate prevention and failover reconciliation.

DevOps Engineer Intern

TGH Tech

May 2021 - Sep 2021Remote
AWS, Terraform, Ansible, Jenkins, Docker
  • Managed AWS cloud services with Terraform for IaC and Ansible for configuration management.
  • Built CI/CD pipelines using Jenkins. Deployed and maintained 20+ applications with high availability.

Education

B.Tech in Computer Science

2019 - 2023
Computer Science and Engineering

Milestones & Impact

Highlights from my professional journey.

Revenue Engine

Reduced computation from 3 days to 1 hour processing 1M+ transactions.

API Optimization

Dashboard response time from 1-2s to 200ms via OpenSearch optimization.

1st Rank — Hackathon

Won 1st place for Master Cluster at Developer Student Club hackathon (2021).

Recognition Award

Recognized for seamless onboarding, mentoring interns, and reliable delivery (Nov 2024).

Onboarding System

Reduced client processing time by 80% with automated signup, KYC, and account creation.

Email Reliability

Reduced bounce incidents by 75% with AWS SES tracking and suppression rules.

< Projects />

Pinned repos and side projects from GitHub.

🧲↗

notion2confluence

Transfer pages from Notion to Confluence by just providing some details.

JavaScript · ⭐ 9
📋↗

LogManager

Manage projects and give developers access to view logs from prod or dev environments.

PHP
☸️↗

MasterCLUSTER

Cluster manager to manage pods, create clusters, and handle backend services.

HTML · ⭐ 3
🛠️↗

utility-methods

Reusable utility classes to simplify common tasks across Kotlin, Java, and other stacks.

Kotlin · ⭐ 3

< Blogs />

Writing about backend systems, DevOps, and things I've built.

Latest

Your Server Crashed Mid-Batch. Now What?

How we built a self-healing batch rescheduler using Redis Pub/Sub and Context IDs. A distributed "Marco Polo" protocol that detects dead servers and auto-reschedules orphaned batch jobs — no human involvement needed.

✍️ Medium🏷️ Backend · Redis · Spring Boot

Kubernetes Multi-Tenancy Approach

Deep dive into multi-tenancy patterns in Kubernetes — namespace isolation, RBAC, network policies, and resource quotas for running multiple tenants on a shared cluster securely.

✍️ Towards AWS🏷️ Kubernetes · DevOps

Devtron — Complete Package of Kubernetes Solutions

Exploring Devtron as an all-in-one Kubernetes management platform — CI/CD, monitoring, debugging, and deployment automation for cloud-native applications.

✍️ Medium🏷️ Kubernetes · CI/CD

Launch a GUI Application in a Container

Running graphical applications inside Docker containers — X11 forwarding, display server configuration, and making GUI apps work in headless environments.

✍️ Medium🏷️ Docker · Linux
View All Blogs on Medium →

Let's Connect

Whether you have a project, a question, or just want to talk backend systems — my inbox is always open.

Say Hello
GitHub LinkedIn ✍️ Medium 📧 shashwatsingh71@gmail.com