Open to work
London, UK

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.

Full-Stack + AI Engineer • Production AI systems • Shipped across 20+ countries •
Full-Stack + AI Engineer • Production AI systems • Shipped across 20+ countries •
Full-Stack + AI Engineer • Production AI systems • Shipped across 20+ countries •
Full-Stack + AI Engineer • Production AI systems • Shipped across 20+ countries •
Full-Stack + AI Engineer • Production AI systems • Shipped across 20+ countries •
Full-Stack + AI Engineer • Production AI systems • Shipped across 20+ countries •
Full-Stack + AI Engineer • Production AI systems • Shipped across 20+ countries •
Full-Stack + AI Engineer • Production AI systems • Shipped across 20+ countries •
Full-Stack Engineering

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.

Frontend Engineering

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.

Backend Engineering

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.

AI Engineering

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.

Agentic Systems

Agentic Systems

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

Applied ML & CV

Applied ML & CV

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

// selected work

Things I've shipped

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

B2B
PRODUCTION
Production SaaSClaude APIMulti-tenant
02 /CLIENT: FRANCE

Intent Hub

Multi-tenant B2B intent-detection SaaS for a France-based client. An async pipeline turns raw web data into purchase-intent signals for sales teams: scraping, LLM analysis with Claude, structured JSON extraction, and real-time React dashboards.

B2B
Multi-tenant
Async
Celery pipeline
Live
In production
Django RESTReactClaude APICeleryRedisPostgreSQL
Live in production
$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
6 records
// 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

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