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Irshit mukherjeeIM
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Irshit mukherjee

@irshitmukherjee

I build production backend, data, and applied AI systems for multi-tenant products.

India
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What I'm looking for

I'm looking to build and own production backend, data, and applied AI systems where thoughtful technical tradeoffs, performance, security, and end-to-end delivery matter.

At CosX, I build production systems for EV-charging fleet telemetry, conversational analytics, RAG, and AI-agent security. I architected a medallion data pipeline and reduced a finance drill-down from 5.1 seconds to about 550ms.

Previously, I owned multi-tenant FastAPI services at Neurologic AI, improving API performance by over 70% and reducing ingestion time by 40%. I also built CI/CD and Kubernetes infrastructure at ProjectX, and I care deeply about the tradeoffs behind every stack choice.

Experience

Work history, roles, and key accomplishments

CosX logoCO
Current

Founding Engineer

Jan 2026 - Present (8 months)

Architected a bronze/silver/gold medallion data pipeline (Django, PostgreSQL, TimescaleDB, Kafka, Celery, S3) for EV-charging fleet telemetry: raw device data normalised into 56 temporally-versioned silver tables, then pre-aggregated into 7 gold marts over 51K+ ingestion runs.

Collapsed a finance drill-down from 5.1s to ~550ms.

Neurologic AI logoNA

Associate Software Engineer

Sep 2024 - Dec 2025 (1 year 3 months)

Built and owned a multi-tenant, RBAC-governed FastAPI backend for retail sales and inventory analytics: 64 REST endpoints, 23 PostgreSQL tables, JWT access/refresh auth and tenant-scoped isolation on AWS ECS Fargate behind CloudFront + S3, with GitHub Actions CI/CD.

Improved API performance by over 70% and cut ingestion time by 40%.

ProjectX (YC P26) logoPP

Backend and DevOps Engineer

Feb 2024 - Sep 2024 (7 months)

Architected CI/CD pipelines for containerised Node.js/TypeScript services and configured Ingress on Google Kubernetes Engine with an external load balancer and automated wildcard TLS.

Ran MongoDB ReplicaSets as Kubernetes StatefulSets for high availability.

Resolved a critical production incident through hands-on debugging and troubleshooting with the engineering and operations teams.

Fyipen Private limited logoFL

Web Developer

Apr 2023 - Jul 2023 (3 months)

Gained hands-on experience in Fullstack web development, contributing to a dynamic development team.
Collaborated with clients to deliver high-quality web application solutions, adhering to best practices in software development.
Worked with a variety of technologies including Next.js, MongoDB, NestJS, FastAPI, and TypeScript, building and scaling web applications effectively.

BuildBear Labs logoBL

Back End Developer

May 2023 - Jun 2023 (1 month)

Developed and customized a blockchain testnet, enhancing the testing environments for EVM-based blockchains.
Gained hands-on experience in building Web3 projects, including smart contracts and decentralized applications.
Managed Kubernetes deployments, focusing on StatefulSet configurations for MongoDB ReplicaSets, which improved data replication and significantly enhanced the system's scalability

Education

Degrees, certifications, and relevant coursework

AT

Academy of Technology

Bachelor of Technology - BTech, Computer Science and Engineering

2020 - 2024

Achievements: First Runner-Up at MLH HackHeist 2.0, leading the engineering team; winning project at HackForBengal 2.0; speaker at Google Developers Group Cloud Kolkata.

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