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Senior Full-Stack Engineer12+ yearsLahore, Pakistan

Abdullah Chaudary

Senior Full-Stack EngineerSystems & DevSecOps ArchitectTech LeadAI/ML Engineering

Senior Full-Stack Engineer and DevSecOps Architect with 12+ years building web and mobile platforms, most recently SaaS products for US enterprise clients across AWS, GCP, Azure, and self-hosted environments.

Owns the full stack, from Next.js, Nuxt.js, and React Native front ends through Django, FastAPI, and Express.js services to Kubernetes and Terraform infrastructure.

Led engineering teams of up to 20, ran hybrid infrastructure at 99.95% uptime, and shipped LLM, RAG, and agentic automation into production.

Open to remote roles (US, UK, EU) with full working-hours overlap

Track record

Self-reported, from my own delivery records. Client engagements are under NDA, so the underlying dashboards can't be published; see the client work section below for what each engagement was.

uptime

Hybrid on-prem + cloud infrastructure

fewer critical vulnerabilities

First two quarters

infrastructure cost cut

AWS → self-hosted migration

lower monthly cloud spend

Cloud spend reduction

on-time delivery rate

On-time delivery rate achieved

fewer production defects

Reduction in production defects

release frequency

After CI/CD adoption

revenue increase, contributed to

One factor in an SDLC push at Intersoft AI, not sole attribution

concurrent products led

Led at once

apps shipped

Across client and personal work

websites & stores shipped

Across client and personal work

years experience

Since 2012

Twelve plus years, to scale

Mar 2012 – Dec 2020

Freelance Full-Stack Developer

Self-employed Remote

105 months

  • Built an end-to-end IoT smart-farming solution: Vue.js dashboard, Django backend, and C/C++ firmware on ESP32 and Raspberry Pi, streaming telemetry over MQTT and REST.
  • Delivered 33+ web and mobile applications and 40+ websites and e-commerce stores for clients using Laravel, CodeIgniter, Django, Vue.js, and Bootstrap.

Jun 2021 – Aug 2022

Full-Stack Engineer & Systems Expert

Intersoft AI Lahore

14 months

  • Developed CRM, CMS, accounting, and HRMS products alongside bespoke client projects, increasing release frequency 3× through CI/CD adoption and standardized deployment workflows.
  • Managed servers and core infrastructure, designing build, deploy, and rollback systems that closed 80% of open critical and high vulnerability findings and shortened mean time to recovery.

Dec 2022 – Aug 2024

Development & Technical Lead

DrieVerse Tech Lahore

20 months

  • Led a cross-functional team of 20 developers, designers, and marketers across 5 concurrent startup projects; owned the hiring pipeline, 1:1s, mentorship, and performance reviews.
  • Shipped 15 production releases over the engagement, running day-to-day engineering operations and aligning delivery with business milestones and OKRs.

Nov 2024 – present

Principal Full-Stack Engineer & DevSecOps Architect

Fuentes Tech Hillsboro, Oregon, Remote

21 months

  • Led roadmap, stakeholder management, sprint planning, and code reviews across multiple engineering squads; lifted on-time delivery to 95% and reduced production defects by 30%.
  • Architected hybrid on-prem and cloud infrastructure with Terraform, Kubernetes, and GitLab CI/CD; achieved 99.95% uptime and cut monthly cloud spend by 45% across production environments.

Depth, ranked

DevSecOps & platform engineering

  • Terraform
  • Kubernetes
  • Helm
  • ArgoCD
  • GitOps
  • GitLab/GitHub CI
  • WAF
  • IAM
  • SAST/DAST
  • Trivy
  • Snyk
  • HashiCorp Vault

Full-stack product engineering

  • Next.js
  • React
  • React Native
  • Vue
  • Nuxt
  • FastAPI
  • Django
  • Express
  • Laravel

Self-hosted AI systems

  • LLMs
  • RAG
  • Qdrant
  • Ollama
  • Qwen3
  • BGE-M3
  • MCP
  • agentic workflows
  • n8n

Systems & self-hosted infrastructure

  • Linux
  • nginx
  • Proxmox
  • VMware
  • networking
  • SRE

Embedded & IoT

  • ESP32/ESP8266
  • Zephyr RTOS
  • BLE
  • MQTT
  • Raspberry Pi
  • circuit design

Full inventory

Languages

  • Python
  • JavaScript
  • TypeScript
  • PHP
  • C/C++
  • Bash
  • SQL

Cloud platforms

  • AWS, EKS, Lambda, RDS, S3, CloudFront
  • GCP
  • Azure

Datastores

  • PostgreSQL
  • MySQL
  • MongoDB
  • Redis
  • Elasticsearch
  • Supabase

Security & networking

  • IAM
  • HashiCorp Vault
  • VPC
  • VPN
  • TLS
  • OWASP
  • SIEM
  • WAF
  • SSO
  • OAuth2
  • SAST/DAST
  • Trivy
  • Snyk
  • fail2ban
  • UFW
  • Cloudflare

Observability

  • Prometheus
  • Grafana
  • ELK / Elastic Stack
  • OpenTelemetry
  • Loki

Automation

  • n8n
  • Zapier
  • GitLab CI
  • Ansible playbooks
  • Custom Python tooling

Testing & quality

  • Pytest
  • Jest
  • Playwright
  • TDD
  • Code review
  • Static analysis

AI coding tools

  • Claude Code
  • Cursor
  • Cline
  • Gemini CLI
  • GitHub Copilot
  • AGENTS.md & rules-file conventions

Education & certifications

Degree

MS, Computer Science

The Superior University, Lahore

May 2023

Degree

BS, Computer Science

The Superior University, Lahore

Nov 2021

Certification

CCNP Routing & Switching

Corvit Systems, Lahore

Dec 2018

Certification

CCNP Security

Corvit Systems, Lahore

Dec 2018

Client work

Client engagements are delivered under NDA and presented anonymised by industry. The engineering is publishable; the client is not.

EdTech

Math-enrichment platform, cloud migration & full-stack

Principal Engineer, Infra, Full-Stack, DevSecOps & Team Lead

  • Single-handed ownership of all servers, infrastructure, and security, zero downtime.
  • Migrated AWS to a self-hosted managed cloud; nginx reverse-proxy in front of the apps and WordPress.

≈70% lower infrastructure cost · zero downtime

  • React Native
  • Flask
  • MongoDB
  • Docker
  • nginx
  • Linux
  • GitLab CI/CD
  • AWS
  • WordPress
  • Jira
  • Microsoft 365

FinTech

Consumer digital-card platform, web & mobile

Full-Stack Engineer & Technical Lead

  • Landed the client by writing the winning technical proposal (pre-sales).
  • Built the web platform and a companion app end-to-end.

Won the client → shipped to production

  • Nuxt.js
  • Express.js
  • MongoDB
  • GitLab CI/CD

AI/Pharma

Self-hosted LLM data-intelligence platform

Lead Engineer, DevSecOps Architect & Team Lead

  • Led the team and client meetings; owned client onboarding end to end.
  • Fine-tuned self-hosted LLMs (GPT-OSS, Llama, Qwen) plus a custom chat and evaluation engine.

Led delivery, proposal to production

  • Vue.js
  • FastAPI
  • Supabase
  • GPT-OSS
  • Llama
  • Qwen
  • Python microservices
  • GitLab
  • Docker
  • Linux

EdTech/Finance

AI document-evaluation platform, college offers

Full-Stack Engineer

  • Owned the proposal and client onboarding.
  • Main app in Vue and FastAPI, using the Claude API for OCR and evaluation, comparing college offers and financial-aid packages.

Owned onboarding → shipped product + upsell

  • Vue.js
  • FastAPI
  • Claude API (OCR)
  • Express.js
  • MongoDB
  • CI/CD

Data

Fitness-market data analytics

Data Engineer / Analyst

  • Scraped and aggregated fitness-market data.
  • Cleaned, normalized, and evaluated trends.

A data-driven market view, dashboarded

  • Python
  • Web scraping
  • Pandas
  • Streamlit

next up

back to the work

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