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Experience

Grab Singapore
Jun 2022 – Present
Software Engineer – Backend
Golang · MySQL · FastAPI · Claude Sonnet · Apache Kafka
  • Architected and developed a centralized reconciliation platform unlocking end-to-end visibility of 25M+ transactions daily.
  • Led real-time cross-organisation integrations with banks and consumer-facing applications, increasing annual revenue by USD 3.5 million.
  • Migrated critical applications from GCP to AWS with zero downtime — 20% cost savings and 4× performance improvement.
  • Developed Snowflake MCP used by 10+ engineers to perform data analysis in natural language via their IDE.
  • Created an OnCall helper bot using LLMs and Chain of Thought prompting, reducing time to triage issues by 40%.
UST Global India · (acquired Advalent Corporation)
Apr 2020 – Jun 2021
Senior Software Engineer – Platform Systems
Java · Spring Boot · MySQL
  • Led development of a high-reliability healthcare insurance system, scaling to 50K+ users and USD 6 million in annual revenue.
  • Upgraded and migrated the entire monolithic application to Java 11 in one week, ensuring backward compatibility and zero production incidents.
  • Designed a custom file ingestion framework, cutting integration time from 5 days to 1 day via reusable parsing architecture.
Lothal Labs India
Jan 2019 – Apr 2020
Frontend Engineer – E-commerce Platform
React Native · Redux · AdobeXD
  • Joined as first engineering hire; designed end-to-end app user journeys.
  • Led UI/UX design and created a reusable internal design library to standardize patterns and accelerate delivery.
  • Developed and tested cross-platform React Native mobile app (iOS/Android) with Redux-based state management.
Mindfire Solutions India
Jul 2016 – Dec 2018
Software Engineer
Java · Spring Boot · jQuery · Bootstrap · MySQL
  • Delivered end-to-end web application for finance analysts, reducing manual reporting from 24 hours to 6 hours.
  • Led a team of 6 developers and interfaced directly with clients for requirement gathering.

Education

National University of Singapore Singapore
2021 – 2022
Master of Technology, Software Engineering  ·  CAP 4.41 / 5.00

Skills

Languages
Golang
Java
JavaScript
Frontend
React
Redux
jQuery · Bootstrap
Cloud
AWS (EKS, Redshift)
GCP (GKE, BigQuery)
Apache Kafka
Databases
MySQL
DynamoDB
Redshift · BigQuery
Backend
Spring Boot
REST · Hibernate
Microservices
Tools
Git · Docker
Maven · Jenkins
Kubernetes

Projects

Personal ChatGPT 2024

Secure, full-stack personal ChatGPT instance with custom front end and local hosting to bypass commercial limitations.

  • Implemented backend and frontend with locally running LLMs.
Ollama · Llama 3.1 · Go · React
Demo ↗ Code ↗
Centralized Video Gateway 2022

Full-stack web app to onboard and manage IP camera feeds across enterprise zones. Won Best Internship Project among 200+ students at NUS.

  • Built low-latency live video gateway managing CCTV feeds at scale, replacing proprietary licensed software and saving $50K+ annually.
React · Java · WebRTC
Demo ↗
abhijitmohanty.com 2026

This site. A personal blog and portfolio built with Hugo, deployed to production on a DigitalOcean droplet via a two-stage GitHub Actions pipeline with manual approval for production releases.

Hugo · GitHub Actions · DigitalOcean · Apache
Visit ↗ Code ↗
plugsandsockets.org

Reference resource for global electrical plug and socket standards — outlet types, voltage, and frequency by country.

Visit ↗