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Hamza Asif, Full-Stack and AI Engineer in London

Full-Stack
AI Engineer
I am Hamza Asif, a Senior Software Engineer at Toptal. I build production AI systems and the full-stack products around them.
Full Stack/AI Engineer/Forward Deployed/Agentic Systems
Hamza Asif, Full-Stack and AI Engineer based in London
ID: HAMZA_ASIF_LDN
Research, shipped.

Most AI never leaves the notebook. I build the version that ships, in front of real users and holding up under real load.

hamza@dev:~/full-stack01/06
$ git push origin main
build started · turbopack
tsc --noEmit 2.1s
214 tests passed 8.4s
next build 31s
migrate 0012_orders applied
deploy production LIVE
$ curl -s api/health 200 41ms

Full-Stack Engineering

End-to-end product ownership, from spec to a deployed, observable feature. React and Next.js on top, Django REST and FastAPI underneath, PostgreSQL at scale.

hamza@dev:~/frontend02/06
$ code hero.tsx
<motion.section
initial={{ opacity: 0, y: 24 }}
whileInView={{ opacity: 1, y: 0 }}
></motion.section>
lighthouse 100
CLS 0.00 · LCP 1.2s · 60fps

Frontend Engineering

Pixel-perfect React and Next.js interfaces in TypeScript, with Tailwind and Framer Motion. Figma to production, including the FlashWash Web3 site I led as frontend developer.

hamza@dev:~/backend03/06
POST /v1/orders 201 38ms
GET /v1/orders/8291 200 12ms
task orders.reconcile queued
wrk2 ack orders.reconcile 4ms
GET /v1/health 200 3ms
POST /v1/webhooks/stripe 200 51ms
task email.receipt done 220ms
GET /v1/signals?page=2 200 18ms
wrk1 beat poll.funding 1.1s

Backend Engineering

Django REST and FastAPI services with PostgreSQL at scale, plus async pipelines on Celery and Redis. The backbone of SuccessFundTrader, a FinTech platform managing $2M.

hamza@dev:~/ai-engineering04/06
$ python query.py
Q: “what does the pipeline ingest?”
retrieve 0.89 integrations.md#L12
retrieve 0.84 architecture.md#L3
retrieve 0.77 api-notes.md#L41
rerank → 3 chunks · 1.2k tokens
claude → streaming
A: Funding rounds, job posts,

AI Engineering

Production LLM systems: RAG over private knowledge bases, Claude and OpenAI pipelines, and structured extraction. The Intent Hub pipeline turns raw web data into live purchase-intent signals for a B2B client.

hamza@dev:~/agentic-systems05/06
$ run investigate --autonomous
PLAN map subsidiaries of target
ACT tool:search(“holdings”)
OBS 14 results · 3 relevant
PLAN extract officers → graph
ACT tool:extract(doc_04)
OBS entities 7 · edges 12
LOOP confidence 0.81 → continue

Agentic Systems

Autonomous multi-agent systems that research, decide, and act. InvestiGator runs six cooperating agents unsupervised for hours, built on Google Gemini 3.

hamza@dev:~/applied-ml-cv06/06
$ python train.py --epochs 40
epoch 12/40 ███████░░░ loss 0.412
epoch 13/40 ████████░░ loss 0.388
val acc 91.4% · f1 0.89
epoch 14/40 █████████ loss 0.371
checkpoint best.pt
inference 24fps @ 640×640

Applied ML & CV

PyTorch deep learning and computer vision in production, including a 3D-CNN violence-detection model deployed for live inference at app.axvene.com.

// the path

The journey

From Islamabad to London. Five years building production systems, scaling teams, and shipping AI into the wild. Now at Toptal, focused on agentic systems and full-stack AI.

MAY 2026 – PRESENTCurrent
01 / 06

Senior Software Engineer

Toptal · London · Remote

Working with global clients on senior engagements in applied AI and full-stack engineering. Focus areas: LLM systems, multi-agent workflows, retrieval-augmented generation, and production Python, React, and Next.js builds. Domains span SaaS, FinTech, and AI-driven product development.

LLMsRAGMulti-agentNext.jsFastAPIDjango
AUG 2021 – PRESENTCurrent
02 / 06

Full Stack Developer

Fiverr · Freelance · Global

Five years and counting delivering end-to-end products for clients across 20+ countries. 4.9/5 rating across 100+ clients. SaaS, marketplaces, FinTech, e-commerce, and AI-integrated systems shipped on time and to spec.

Next.jsReactDjangoPostgreSQLClient Delivery
JAN 2023 – AUG 2025
03 / 06

Co-Founder / Technical Lead

VistaByte · Remote · Part-time

Co-founded and scaled a digital agency delivering 150+ web apps for clients across 20+ countries (fintech, real estate, e-commerce, AI). Architected full-stack solutions on Django and FastAPI with React, Next.js, and PostgreSQL. Managed cross-functional teams of up to 5 developers across concurrent engagements.

LeadershipSystem ArchitectureHiringClient Strategy
FEB 2022 – FEB 2025
04 / 06

Software Engineer

Codencreative Tech · Remote · Full-time

Built and maintained full-stack apps with Django REST, React, and TypeScript on GCP for enterprise clients. Led a legacy HTML to React and TypeScript migration that lifted user engagement 20%. Optimized REST APIs and Redux state management, cutting load times by 30%. Shipped 5+ production apps averaging 20k monthly users.

Django RESTReactTypeScriptGCPRedux
APR 2023 – OCT 2023
05 / 06

Lead Software Engineer

SuccessFundTrader · Freelance · Remote

Led a team of 5 engineers building a FinTech prop trading platform managing $2M in trader capital. Delivered personalized dashboards, a real-time leaderboard, 24/7 support tooling, and achievement certificates on a tight roadmap.

PythonDjango RESTMT5 ManagerTeam LeadershipReal-time
AUG 2021 – NOV 2021
06 / 06

Web Developer

iPlex · Islamabad, Pakistan · Full-time

Early career foundation in professional web development. Shipped client sites, learned production discipline from senior engineers, and built the habits that still shape how I write code today.

Web DevelopmentFrontendBackendAgile
// selected work

Things I've shipped

Production AI and full-stack products, shipped for clients at Toptal, VistaByte, and Codencreative.

$2M
DELIVERED
FinTechTeam Lead$2M Managed
04 /LEAD_ENGINEER

SuccessFundTrader

FinTech prop trading platform managing $2M in trader capital. Led a team of 5 engineers shipping personalized dashboards, a real-time leaderboard, achievement certificates, and 24/7 support tooling on a tight roadmap.

$2M
Capital managed
5
Engineers led
24/7
Support
PythonDjango RESTMT5 ManagerGCPReal-time
Engagement complete
// also shipped

The full log

~/also-shipped$ ls --sort=impact
7 records
01

ShopperTracker

// Price Comparison

Real-time grocery price comparison across Puerto Rico retailers. Automated PDF scraping with AI-powered product extraction to normalize listings across stores.

LIVE
02

Arcanas

// Gaming Community Platform

Social platform for gamers with real-time chat over WebSockets, game hubs, Stripe payments, and behavioural analytics. Django Channels + Next.js, self-hosted with Docker, Nginx, and SSL on a VPS.

LIVE
03

TheMovia

// Cinema Booking Platform

Movie booking platform with showtime scheduling, seat selection, and location-based cinema filtering. Built an automated scraping pipeline for Saudi cinema chains with Selenium and Celery.

LIVE
04

Violence Detection

// Deep Learning System

Real-time violence detection using 3D Convolutional Neural Networks. Trained on video datasets and deployed for live inference at production frame rates.

DEPLOYED
05

Gen-Z

// Streetwear E-commerce

Full storefront for a men's streetwear brand: product catalog, reviews, checkout, and order tracking, backed by a JWT-gated admin for products, categories, and orders with Cloudinary media.

LIVE
06

Axvene

// Luxury E-commerce

Premium e-commerce for watches, jewelry, and fragrances. Stripe-powered checkout, polished product detail experiences, and a brand-led visual system.

LIVE
07

VistaByte

// Digital Agency

Co-founded and scaled to 11 people. 150+ products delivered across 20+ countries spanning fintech, real estate, e-commerce, and AI. Owned architecture, delivery, and hiring.

Shipped
// what clients say

Real
reviews

so I build
AI solutions

Enter
Build

for the future

// the proof

By the numbers

Real outcomes from real work. No vanity metrics.

5+
Years shipping

Five years and counting building and shipping production software end to end, now focused on AI.

$2M
Capital managed

Led a team of 5 building a FinTech prop trading platform managing $2M in trader capital.

4.9/5
Across 100+ clients

Top Rated on Fiverr with a 4.9/5 average across 100+ clients in 20+ countries.

150+
Products shipped

Co-founded and scaled an agency to 11 people, delivering 150+ products worldwide.

Say Hi!

// let's talk

Let's build something real

Senior Software Engineer at Toptal, in London finishing an MSc in Applied AI. Open to full-time, contract, and senior IC roles.

Full-Stack EngineerForward Deployed EngineerAI EngineerAgentic Systems Engineer