Software Engineer · Backend · Microservices

Jatin Kumar Singh

Building scalable backends, microservices, and production-grade systems.

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jatin192000 jatinsin19 jatinsin19@gmail.com

experience

Work Experience

Building reliable backend systems in production.

Software Engineer

Cropsly

Sep 2022 – Present

Zirakpur, India

Built and maintained microservices-based backend systems to support high-availability and fault-tolerant applications.
Applied clean architecture and SOLID principles to structure modules for better scalability and long-term maintainability.
Implemented automated unit and integration test suites to improve reliability and reduce production regressions.
Worked with product and engineering teams to deliver optimised, production-grade solutions under tight deadlines.

projects

Featured Projects

Production systems with measurable impact.

RunHotel

Oct 2022 – Present

runhotel.io

Scalable hotel booking, inventory, and management platform built with NestJS and Node.js.

50×

Search traffic

40%

Revenue uplift

90%

Faster onboarding

→Google Hotel Centre integration for Hotel Ads and Free Booking Links.
→Real-time dynamic pricing engine based on demand, seasonality, and booking trends.
→OTA channel manager syncing availability and pricing across multiple platforms.
→Automated hotel website provisioning and deployment pipeline.

NestJS

Node.js

PostgreSQL

Redis

AWS

Momio

Aug 2024 – Sep 2025

momio.me

AI-powered social content platform with intelligent moderation, ranking, and personalised delivery.

−76%

Reported content

+45%

Content visibility

→AI content moderation pipelines reducing manual review workload.
→Intelligent post categorisation and engagement-based ranking systems.
→Personalised content delivery with age-appropriate filtering.
→Backend services designed for fairness, scalability, and low latency.

Node.js

Python

ML Pipelines

Real-time Systems

skills

Skills & Stack

Technologies I use to ship reliable backend systems.

Languages

TypeScript

JavaScript

Java

Python

Frameworks & Libraries

Node.js

NestJS

React

Express.js

Socket.IO

FCM

Architecture & Security

Microservices Architecture

Clean Architecture

REST API Design

RBAC

ABAC

Databases

PostgreSQL

MySQL

MongoDB

Redis

Cloud & DevOps

AWS (EC2, S3, Lambda, ECS, CloudWatch)

Docker

Jenkins

CI/CD

Git

Testing & Monitoring

Jest (Unit & Integration Testing)

Sentry

Grafana

Logging & Observability

Others

Content Moderation Systems

Text Classification

Real-Time Systems

Performance Optimization

education

Education

Academic foundation in computer applications.

Master of Computer Applications

Chandigarh University

2022 – 2024

Bachelor of Computer Applications

National P.G. College

2018 – 2021

contact

Get in Touch

Open to interesting backend roles, collaborations, and challenging systems work.

jatinsin19@gmail.com

Get in touch

GitHub

jatin192000

jatinsin19

Location

Lucknow, India