Open to senior AI & full-stack roles // London, UK
FULL STACK+ AI ENGINEER
I'm Hamza Asif, a Senior Software Engineer at Toptal. I build production AI systems — LLM pipelines, autonomous agents, and the full-stack products around them. Recently: a $100K-winning research agent, a Claude-powered B2B platform in production, and a FinTech platform managing $2M. Finishing an MSc in Applied AI at LSBU London.

PROFESSIONAL
TRAJECTORY
From Islamabad to London. 5+ years building production systems, scaling teams, and shipping AI into the wild. Now at Toptal, focused on agentic systems and full-stack AI products.
Senior Software Engineer
Working with global clients on senior engagements in applied AI and full-stack engineering. Focus areas: LLM systems, multi-agent workflows, retrieval-augmented generation (RAG), and production Python / React / Next.js builds. Domains span SaaS, FinTech, and AI-driven product development.
Full Stack Developer
4+ years 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.
Co-Founder / Technical Lead
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 / FastAPI + React / Next.js + PostgreSQL. Managed cross-functional teams of up to 5 developers across concurrent engagements.
Software Engineer
Built and maintained full-stack apps with Django REST + React + TypeScript on GCP for enterprise clients. Led a legacy HTML to React + 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.
Lead Software Engineer
Led a team of 5 engineers building a FinTech prop trading platform managing $2M in trader capital. Delivered personalized dashboards, real-time leaderboard, 24/7 support tooling, and achievement certificates on a tight roadmap.
Web Developer
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.
THINGS I'VE
SHIPPED
Production systems, AI products, and full-stack platforms built for clients across 20+ countries and shipped at Toptal, VistaByte, and Codencreative.
Intent Hub
Multi-tenant B2B intent-detection SaaS for a France-based client. 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.
SuccessFundTrader
FinTech prop trading platform managing $2M in trader capital. Led a team of 5 engineers shipping personalized dashboards, real-time leaderboard, achievement certificates, and 24/7 support tooling on a tight roadmap.
VistaByte
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.
CAPA
BILITIES
5+ years shipping production systems across full-stack and AI. Now at Toptal, currently finishing an MSc in Applied AI at LSBU London with focus on LLMs, MLOps, and responsible AI deployment.
THE
PERIODIC
TABLE
Every tool in my technical stack, from core languages to deployment infrastructure. Cyan dots mark Expert proficiency, amber dots mark Advanced.
RESEARCH TO PRODUCTION
I bridge the gap between cutting-edge research and real-world deployment. Building systems that don't just perform in benchmarks, they scale, maintain, and deliver value in production environments.
INNOVATION_LAB
MSc Applied AI at LSBU London. Where research meets production.
Current Research Focus:
- LLM applications and prompt engineering at scale
- MLOps and responsible AI deployment
- Multi-agent orchestration and tool use
- Bridging full-stack systems with production AI
Shipped from the lab:
- InvestiGator: autonomous multi-agent investigation
- Intent Hub: Claude-powered B2B SaaS in production
- Violence Detection: 3D CNNs deployed at ai.axvene.com
LET'S BUILD
SOMETHING REAL
Senior Software Engineer at Toptal, currently in London finishing an MSc in Applied AI at LSBU. Available for full-time, contract, and senior IC engagements.
Hiring for a project, not a role? Work with me →