Open to opportunities

Obada Daghlas

Cybersecurity Engineer · Software Engineer

~/obada — zsh

$ █

I build full-stack systems and break web applications. Focused on web app security testing, secure backend engineering, and vulnerability research. BSc in Computer Systems Engineering.

yrs coding

projects

certs

GitHub ↗ Resume ↗ Contact

TypeScriptGoPythonBashAstroReactNode.jsPostgreSQLDockerBurp SuiteMetasploitLinux

Featured Projects

All projects →

Pipeline Orchestrator

Featured

Webhook-driven task processing platform with async queuing, exponential backoff delivery, and full audit logging.

TypeScriptNode.jsBullMQRedisPostgreSQLDockerGitHub Actions

↗ GitHub

Chirpy API

Featured

Microblogging REST API with JWT authentication, refresh token rotation, and ownership-enforced authorization.

TypeScriptExpressPostgreSQLDrizzle ORMJWT

↗ GitHub

BlogAggregator

Featured

Multi-user CLI RSS feed aggregator with a configurable polling loop, auth-gated commands, and PostgreSQL persistence.

TypeScriptPostgreSQLDrizzle ORM

↗ GitHub

Recent Writeups

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TryHackMe — C4ptur3 Th3 Fl4g TryHackMe Misc Jun 6, 2026
TryHackMe — Crack the Hash TryHackMe Crypto Jun 6, 2026

Stack

Languages

TypeScriptGoPythonCBash

Frontend

AstroReactTailwind CSS

Backend

Node.jsExpressPostgreSQLRedisBullMQDrizzle ORM

Security

Burp SuiteWiresharknmapOSINTMetasploit

DevOps

DockerGitHub ActionsLinux

From the Blog

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Understanding Heaps: Trees, Arrays, and Priority Queues Jun 7, 2026
The Backend Developer's Edge in Security Jun 6, 2026

Certifications

All certs →

Practical Web Hacking TCM Security Apr 2026
Git & GitHub - The Practical Guide Academind Feb 2026

Learning Series

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From Zero to Hero: A Problem Solving & Competitive Programming Path
A structured journey through algorithmic thinking — from array tricks and prefix sums to data structures built from scratch, in TypeScript.

2 parts
LeetCode Quest: Data Structures & Algorithms
A level-by-level walkthrough of LeetCode's DSA Quest — problems, insights, and solution comparisons for every completed unit of the Linear Shoal and beyond.

4 parts