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~/portfolio — zsh

Pradip Parajuli · Backend · DevOps · AI Engineering

Manual deploys were taking 3–4 hours,I shipped a pipeline that does it in 10 minutes.

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[01]~/traceback

Stack trace of a career

[LOG]: initializing_competencies... OK

Junior Backend Developer

devLuk Technologies LLC, Kathmandu, Nepal

Mar 2018 - Nov 2019
Node.jsLaravel/PHPMySQLMongoDB

First professional role

Backend features in Node.js and Laravel/PHP
MVC architecture, routing, middleware, ORM
REST API endpoints with proper HTTP methods, status codes, JSON responses
MySQL + MongoDB: CRUD, joins, aggregations, migrations
Code reviews, pair programming

Mid-Level Node.js Developer

DMSHAO Technologies LLP, New Delhi, India

Jan 2020 - May 2021
Node.jsWebSocketsRedisMySQL

Call center management system

Real-time WebSocket features for live agent dashboards
DB query optimization (indexing, restructuring) + Redis caching layer
Debugged async/race-condition and data-consistency issues
Also built PHP backend services

Mid-Level Backend Developer

Anmup Online, Surkhet, Nepal

Jun 2021 - Jun 2022
Node.jsLaravelAWSREST APIs

E-commerce & service platforms

Backend systems in both Node.js and Laravel
REST APIs with JWT auth, validation, exception handling
Background jobs/queues via AWS SQS; worked with EC2, Lambda, S3
DB schema design, MySQL query optimization via indexing

Senior Backend Developer & Project Lead

LeanQ, Kathmandu, Nepal

Dec 2022 - Dec 2023
NestJSTypeScriptMulti-Tenant SaaSElasticsearch

Multi-tenant SaaS platform

Subdomain-based tenant isolation, separate DBs, centralized auth — 1,000+ users across 15+ orgs
Spearheaded monolith → microservices migration with NestJS + TypeScript, scaling 300 → 1,200+ concurrent users
Integrated/optimized Elasticsearch — search query time 2.1s → 200ms
Led a cross-functional team of 6 engineers, 80% test coverage, zero-downtime migration of 850+ legacy users

Lead & Senior Full Stack Engineer

RPA Nepal, Lalitpur, Nepal

Mar 2024 - Present
Node.jsAWSDevOpsAI Engineering

Platform, infra & AI-augmented delivery

Automated CI/CD pipeline — deployment time cut 3–4 hrs → 10 min
Built self-service DevOps tooling for instance provisioning
Designed/maintained scalable game server infrastructure with load balancing, 1,000+ concurrent users, optimized AWS costs
Shipped production applications with AI-native development workflows
Owns technical decisions, sprint planning and delivery for a team of 5
Mentored 2 junior developers to mid-level; cut critical prod bugs 12 → 8/sprint

Need something a bit more... traditional?

Email Me for a Resume ↓
[02]~/full_stack_flow

The Full Stack Flow

> Taking it all the way. From API to database to production.

Status: OperationalThroughput: Optimized
01

Layer_0: Backend & APIs

Node.js, Laravel & REST/GraphQL

"I build robust, secure backend systems — REST and GraphQL APIs, authentication, queues — in both Node.js and PHP/Laravel."

[Node.js][NestJS][Express.js][Laravel][REST APIs][GraphQL]
02

Layer_1: DevOps & Cloud Infra

CI/CD, AWS & Platform Automation

"From CI/CD automation to AWS infrastructure and self-service provisioning — I keep systems deployable, observable and cost-efficient."

Deploy Time 3-4h → 10m
Concurrent Users 1,000+
MODEL_READY · LIVE_FEED
[AWS][CI/CD][DevOps][Docker][Kubernetes][Load Balancing]
03

Layer_2: Data & Search

Databases, Caching & Elasticsearch

"I design schemas, tune queries and optimize search so production systems stay fast under real load."

Search Latency 2.1s → 200ms
API Response +70%
MODEL_READY · LIVE_FEED
[MySQL][PostgreSQL][MongoDB][Redis][Elasticsearch][Query Optimization]
04

Layer_3: Architecture at Scale

Microservices & Multi-Tenant SaaS

"Architected a secure multi-tenant SaaS platform and led a monolith-to-microservices migration serving 1,200+ concurrent users."

[Microservices][Multi-Tenant SaaS][System Design][Distributed Systems][SOLID Principles]
05

Layer_4: AI Engineering

AI-Native Delivery & Agentic Workflows

"I've shipped production apps built fully with AI-native workflows, and I use Claude and GitHub Copilot daily to accelerate delivery, review and debugging."

AGENT_PLAN: Reviewing diff against spec... Drafting implementation, tests and PR description...

[LOG] AI_PAIR_SESSION: architecture_review

[STATUS] SPEC_TO_DEPLOY: no_dedicated_team

[TRACE] COPILOT_ASSISTED_DEBUG_RUNNING

[SYNC] CLAUDE_CODE_REVIEW_CONNECTED

[Claude][GPT-4/ChatGPT][GitHub Copilot][AI Engineering][AI-Native Development]
[ BACKEND ][ DEVOPS ][ SCALE ][ AI ENGINEERING ][ BACKEND ][ DEVOPS ][ SCALE ][ AI ENGINEERING ][ BACKEND ][ DEVOPS ][ SCALE ][ AI ENGINEERING ][ BACKEND ][ DEVOPS ][ SCALE ][ AI ENGINEERING ]
[03]~/workspaces

The Sandbox

Real systems I've architected and shipped — from AI-native apps to DevOps automation, multi-tenant SaaS platforms and the infra that keeps them running.

Featured

AI Engineering & AI-Native Apps

Independently designed, built, and shipped production applications using AI-native development workflows — Claude/GPT-4-assisted architecture, coding and testing, from spec to deployment with no dedicated team.

#Claude#GPT-4#AI Engineering#AI-Native Dev

Multi-Tenant SaaS Platform

Architected a secure multi-tenant SaaS platform with subdomain-based tenant isolation, separate databases and centralized auth — serving 1,000+ users across 15+ organizations.

#NestJS#TypeScript#Multi-Tenant SaaS#PostgreSQL
Read the case study →

Monolith → Microservices Migration

Led a zero-downtime migration from a legacy monolith to NestJS microservices, scaling the platform from 300 to 1,200+ concurrent users.

#NestJS#Microservices#Zero-Downtime#TypeScript
Read the case study →

DevOps Automation & Self-Service Deployment

Automated CI/CD triggers and one-click manual deploys, cutting deployment time from 3–4 hours to 10 minutes, plus self-service tooling for instance provisioning.

#DevOps#CI/CD#AWS#Platform Automation

Scalable Game Server Infrastructure

Designed and maintain game server infrastructure with load balancing supporting 1,000+ concurrent users, tuned for optimized AWS costs.

#AWS#DevOps#Load Balancing#Cost Optimization
Read the case study →

Real-Time Call Center Dashboard

Built a call center management system with real-time WebSocket features for live agent dashboards, backed by MySQL and a Redis caching layer.

#Node.js#WebSockets#Redis#MySQL

( + ) More case studies available on request.

[04]~/logs/

Latest Discovery Feed

Notes from the trenches — backend architecture, cloud infrastructure and building with AI.

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