Available for Senior Roles

Hey, I'm Jatin.

Full-Stack Engineer · SDE-2

I build

I build fast, scalable web systems — with a security mindset born from years of breaking things on purpose.

Connect on LinkedIn
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// about

About

Full-stack engineer. Security background. 4 years shipping production systems.

Jatin
● SDE-2

Came through B.Com and CTFs, not a CS degree. Taught myself the rest.

Delivered production systems at scale (2M+ users), including feedbacks and analytics platforms, AI-based products, and major frontend migrations (React → Next.js).

SDE-2. Looking for senior engineering roles.

🐧Linux daily driver since 2017
🔐TryHackMe Hacker rank — weekends still go to CTFs
☁️Docker · Kubernetes · AWS — daily production use
// hacker// builder// optimizer// problem-solver// lifelong-learner
// skills

Technical Skills

Full-stack craftsman with depth in performance engineering and cloud infrastructure.

⬡ Frontend

Next.jsReactTypeScriptTailwindCSSJavaScript ES6+Redux

Backend

Node.jsExpress.jsPythonREST APIsMicroservices

Data & Infra

MongoDBRedisClickHousePostgreSQLAmazon S3

Cloud & DevOps

AWSDockerKubernetesGitLab CI/CDNginxLinuxCloudFront

Security

CTF / Ethical HackingPenetration TestingSecure CodingOWASP Awareness
Daily Driver
Proficient
Familiar
// experience

Where I've Shipped

Sep 2024 — Feb 2026Current

Software Development Engineer - 2

Beebom Media Private Limited

  • ▸Built a Go-based in-memory MongoDB caching layer with query-level compatibility, significantly accelerating heavy read queries and reducing primary DB load.
  • ▸User Activity Analytics Engine — built custom analytics pipeline with SQS ingestion and MongoDB → ClickHouse storage for 2M+ monthly users
  • ▸Designed and implemented a feedback system that segments users based on behavioral analytics, enabling context-aware feedback collection and improving the quality and relevance of product insights.
  • ▸Backend APIs optimizations — 1.6s → 500ms response times on heavy queries (Without Cache)
  • ▸Technical SEO implementation — optimized SSR, page document size reduction, lighthouse, Cache Management, etc.
  • ▸Wordpress → Next.js migration — faster page loads and more feature flexibility
  • ▸Managed Junior engineers for frontend execution and code quality.
Next.jsTypeScriptMongoDBNode.jsAWSClickHouseRedisDocker
Nov 2022 — Aug 2024

Full Stack Engineer

OriginBluy Private Limited

  • ▸Managed a team of 3 engineers and collaborated closely with PM, Owners and design to execute product roadmap
  • ▸Built a coaching-focused B2B SaaS platform (frontend + backend + deployment) evolving from offline feedback capture to analytics-driven progress tracking and gamification, improving engagement and measurable participant outcomes.
  • ▸Architected a private GPU-based AI assessment platform with zero public endpoints, enforced admin-gated access, and automated monitoring pipelines. Reduced unauthorized access attempts by 95% and improved incident response via automated ticketing and centralized logging. (frontend + S3 + admin server + deployment)
  • ▸React → Next.js migration on a high-traffic platform — 25% faster page loads, +15% organic traffic
  • ▸Wordpress → Next.js migration — improved performance, combining coaching feedback with content marketing on the same platform, and enabling more flexible feature development
ReactNode.jsReduxPythonLinuxMongoDBDockerAWS
Feb 2022 — Oct 2022

Software Engineer Intern

Zeedup Private Limited · Remote

  • ▸Delivered 6+ full-stack projects using React and Node.js/Express, designing and shipping scalable features across frontend and backend for production environments.
  • ▸Led a team of 6 engineers to take over and deliver a near-complete project to production, resolving final-stage blockers and ensuring successful delivery. Personally recommended by a previous client based on prior project success.
ReactNode.jsExpressJavaScriptREST APIs
Oct 2021 — Dec 2021

Software Development Engineer

AMIGO · Freelance · Remote

  • ▸Built pixel-perfect, responsive web interfaces from Figma designs using React, ensuring high UI fidelity, cross-browser compatibility, and optimized frontend performance.
  • ▸Identified and resolved backend vulnerabilities and bugs in a Node.js/Express application, improving system stability and security.
  • ▸Designed and built real-time and embeddable system prototypes, including a WebSocket-based analytics platform (Google Analytics–like) and a centralized chatbot service (Twilio-like) integrated via lightweight client-side snippets for seamless website integration.
ReactNode.jsJavaScriptHTML/CSSREST APIsWebsockets
// projects

Things I've Shipped

Real systems, real impact. No toy projects.

✦ Featured

User Activity Analytics Engine

Custom event-tracking pipeline for 2M+ monthly users — SQS ingestion, MongoDB→ClickHouse storage, zero third-party analytics dependencies.

2M+
Monthly Users
0
Third-party deps
Node.jsTypeScriptAWS SQSClickHouseMongoDBDocker
// infrastructure

Go In-Memory MongoDB Cache Layer

Query-compatible in-memory caching layer written in Go — transparent MongoDB API, significantly reduced primary DB load on heavy read paths.

Full
API compatibility
↓ Heavy reads
Primary DB load
GoMongoDBDocker
// product

Personalized Feedback Collection System

Rule-based feedback targeting engine — shows personalized forms based on user activity, device, page context, and behavioral signals (e.g. active desktop users on specific pages). Replaced generic pop-ups with high-signal, low-noise feedback collection.

Behavioral · Device · Page
Many More Targeting signals
Node.jsTypeScriptMongoDBNext.js
// ai

Private GPU AI Assessment Platform

Zero public endpoints AI video assessment platform on GPU servers — admin-gated access, automated monitoring, and centralized incident logging cut unauthorized access by 95%.

95%
Unauthorized access reduction
0
Endpoints exposed publicly
PythonNode.jsAWS S3DockerLinux
// performance

React → Next.js Performance Migration

Full migration of a high-traffic platform from React SPA to Next.js SSR — 25% faster page loads, +15% organic traffic from SEO improvements.

25%
Page load improvement
+15%
Organic traffic
Next.jsTypeScriptTailwindCSSAWS CloudFront
// performance

Backend API Query Optimization

Profiled and rewrote hot-path MongoDB queries and aggregation pipelines — 1.6s → 500ms on heavy endpoints, no cache added.

1.6s → 500ms
Response time
None
Cache required
Node.jsMongoDBTypeScript
// achievements

By the Numbers

Metrics from real production systems — not estimates, not demos.

0M+
Monthly Users Tracking
Custom analytics pipeline built from scratch — SQS + ClickHouse
0x
API Response Speed
1.6s → 500ms on heavy queries — no cache
0%
Unauthorized Access Reduction
Architected a private GPU-based AI assessment platform with zero public endpoints, enforced admin-gated access, and automated monitoring pipelines. Reduced unauthorized access attempts by 95% and improved incident response via automated ticketing and centralized logging.
+0%
Organic Traffic
React to Nextjs migration — SEO, SSR, and document size optimization
0%
Faster Page Loads
React → Next.js migration on high-traffic platform
// timeline
2017
First Linux Terminal
···→
2018
B.Com + CTF Challenges
···→
2021
MCA + First Paid SDE Role
···→
2022
Full Stack Eng @ OriginBluy
···→
2024
SDE-2 · Analytics at Scale
···→
2026
Open for Senior Roles
// contact

Let’s Work Together

Actively exploring Senior SDE / Full-Stack positions — especially at product companies and high-growth startups.

I'm currently open to the right opportunity. If your team builds systems worth caring about, I'd like to hear about it.

⏱Usually responds within 24 hours