Jeddah, Saudi Arabia · Open to Remote / Hybrid

Abdullah Zuhair Saleh Balila

Backend & AI Engineer

Backend and AI engineer with a strong track record of building automation tools, bots, and developer utilities in Rust, Go, and Python. Specializes in RAG architectures, LLM-powered workflows, and end-to-end system automation—from CLI tooling and API integrations to intelligent agents using Anthropic and Gemini APIs. Skilled at designing low-latency, event-driven systems and containerized deployment pipelines, backed by a strong academic foundation in Artificial Intelligence.

Download CV

Technical Skills

Languages

RustGoPythonTypeScriptJavaScriptDartFlutter

Backend & APIs

AxumTokioNode.jsNext.jsRESTful APIsWebhooksWebSocketsWebRTC

AI & Data

RAGQdrantAnthropic APIGemini APIAI Agents

Databases

PostgreSQLMongoDBSurrealDBSQLite

DevOps

DockerGitHub ActionsNginxVercel

Tooling

LinuxGitCursorGitHub Copilot

Automation

CLI ToolingBot DevelopmentAPI IntegrationTask AutomationPlaywright

Projects

Saudi Market Feasibility AI

AI / RAG Engineer

Built a RAG pipeline using Qdrant to parse and query Saudi legal documentation for real-time market feasibility analysis.
Implemented a multi-tier LLM architecture—Gemini for standard queries, Anthropic for premium analytics—to optimize API cost allocation.
Designed an automated intake pipeline that ingests business profiles, runs multi-stage LLM processing, and generates feasibility reports with no manual intervention.

RAGQdrantGeminiAnthropicPython

Code

University of Jeddah AI Club Platform

Lead Full-Stack Developer

Engineered a high-performance backend using Rust (Axum/Tokio) and PostgreSQL to centralize club operations and manage student requests.
Deployed a containerized CI/CD pipeline via Docker, GitHub Actions, and Nginx for stable production delivery.
Built a responsive Next.js + TailwindCSS frontend enabling seamless member access to club resources and announcements.

RustAxumPostgreSQLDockerNext.js

Backend Frontend Demo

Developer Portfolio

Full-Stack Developer

Responsive personal site built with Next.js, TypeScript, and TailwindCSS, deployed on Vercel.

Next.jsTypeScriptTailwindCSSVercel

Code Demo

E2EE P2P Chat (pro-chat)

Full-Stack Developer

Built end-to-end encrypted peer-to-peer chat with Flutter clients and a Go signaling server—the server holds no database and stores no messages.
Implemented Signal Protocol (libsignal) on-device encryption and WebRTC data channels for direct encrypted message delivery between peers.
Designed in-memory presence and signaling relay with SQLite local storage, group mesh P2P, and out-of-band safety-number identity verification.

FlutterDartGoWebRTCSignal ProtocolSQLite

Code

hCaptcha Solver

Systems Engineer

Private

High-throughput captcha-solving pipeline combining Go services, Redis coordination, and TensorFlow inference.
WebAssembly and JavaScript layers for browser-side orchestration and low-latency challenge handling.

GoRedisTensorFlowWASMJavaScript

FunCaptcha Solver

Systems Engineer

Private

Rust-powered solver core with Redis-backed job queues and TensorFlow models for puzzle decomposition.
Engineered for rapid challenge analysis and automated response generation at scale.

RustRedisTensorFlow

Discord Username & Vanity Sniper

Automation Engineer

Private

Low-latency sniping tool built in Rust and Go to claim Discord usernames and vanity URLs the moment they become available.
Uses custom TLS fingerprinting to mimic legitimate clients and maximize success rate under contention.

RustGoTLS Fingerprinting