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MuhammadHamza

Full Stack AI Engineer building scalable SaaS platforms, RAG pipelines, and zero-knowledge AI systems.

CURRENT STATUS

Building RAG Pipelines...

Hybrid Retrieval / pgvector

Stack
Next.jsFastAPIPostgreSQL+ More
Portrait of Muhammad Hamza

Status

OPEN FOR WORK

Selected
Works

Case Studies

03 PROJECTS
DREAM VEIL project preview
01AI / Privacy

DREAM VEIL

Next.js / FastAPI / PostgreSQL

NEXT PGP project preview
02Security

NEXT PGP

Next.js / PostgreSQL / OpenPGP

DIMITRESCU WALLPAPERS project preview
03Gallery / PWA

DIMITRESCU WALLPAPERS

Next.js / Prisma / GSAP

WHAT I
OFFER

Skills & Services

Years Of

Professional

Experience.

01 /// JUNE 2025 – PRESENT

Full Stack AI Engineer

Bave Holdings LLC

  • Implemented core feature sets for enterprise-grade SaaS applications, improving user workflow efficiency.
  • Designed high-performance full stack applications using Next.js and Node.js for enterprise deployments.
  • Built advanced AI-powered RAG pipelines with pgvector and semantic reranking across complex vector datasets.
  • Integrated intelligent automation workflows and LLM orchestration, reducing manual data processing overhead.
  • Streamlined deployment cycles using Docker and CI/CD pipelines while maintaining stable production environments.
  • Mentored a cross-functional team of 5+ developers on AI best practices and modern frontend architectures.
  • Defined the technical roadmap and strategic priorities for AI product lines aligned with business objectives.
02 /// JANUARY 2025 – JUNE 2025

Backend / Full Stack Developer

Afryvo Analytics

  • Developed secure authentication and user management systems using FastAPI and SQLAlchemy 2.0 with fully async database logic.
  • Deployed a JWT-based authentication layer with token rotation and HttpOnly cookie security.
  • Refined account protection with rate-limited OTP workflows, reducing unauthorized login attempts.
  • Designed scalable REST APIs optimized for concurrent request handling with sub-100ms latency.
  • Standardized clean code practices and Alembic migration workflows across the engineering team.
  • Leveraged the uv package manager to optimize developer environments and ensure dependency parity.
03 /// JUNE 2023 – DECEMBER 2024

Full Stack Developer

Information Technology Services

  • Built multiple web applications using PHP, improving system performance and user retention through UI/UX refinements.
  • Maintained specialized medical publication platforms with complex XML-based data structures and abstract indexing.
  • Implemented feature updates and content management workflows for healthcare-focused web applications.
  • Collaborated on legacy system maintenance, optimizing XML parsing logic for high-traffic journal repositories.

Building

Intelligent

Systems.

01 /// RAG PIPELINES

Hybrid Retrieval.

Designing production-grade RAG pipelines with pgvector, hybrid retrieval, and semantic reranking for high-accuracy AI applications.

02 /// FULL STACK SAAS

Scalable Platforms.

Building end-to-end SaaS products with Next.js, FastAPI, and PostgreSQL — from async REST APIs to real-time systems.

03 /// ZERO-KNOWLEDGE

Secure By Design.

Implementing zero-knowledge architectures with E2EE, OpenPGP tooling, and client-side cryptography via the Web Crypto API.

04 /// LLM AGENTS

Smart Automation.

Orchestrating LLM agents and intelligent automation workflows that reduce manual overhead and integrate cleanly with existing products.

05 /// VECTOR SEARCH

Precision At Scale.

Scaling vector search with BM25, cross-encoder reranking, and reciprocal rank fusion for retrieval precision at enterprise scale.

06 /// PRODUCTION

Ship With Confidence.

Shipping production-ready applications with Docker containerization and CI/CD pipelines that keep deployments fast and stable.

LET'S BUILD

SOMETHING.

Open to freelance projects and new opportunities. Based in Karachi, Pakistan.

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