Senior Software Engineer

Building Scalable Systems & SaaS Products

I'm Khaled Waleed, a passionate engineer with 6+ years of experience in designing event-driven architectures, ledger systems, and distributed backends that power critical business operations.

Event-Driven Architecture
Ledger Systems
Distributed Backends
About Me

Passionate About Complex Systems

As a senior software engineer with 6+ years of experience, I specialize in designing and building high-complexity backend systems with a strong passion for creating products and scaling SaaS platforms.

What I Excel At

Architecting event-driven and distributed systems
Designing ledger and accounting frameworks with strong consistency
Building audit and compliance pipelines for critical operations
Crafting scalable, resilient, and observable backends

Beyond Engineering

I'm also an indie SaaS builder, actively launching and growing micro-products. This keeps me deeply connected to the entire product lifecycle: from idea → architecture → shipping → scaling.

I'm always open to connect with engineers, product builders, and founders who are passionate about complex systems and shipping great products.

Current Interests

Scaling Event-Driven Architectures

Building systems that handle millions of events with reliability

Ledger & Audit Systems

Designing frameworks for regulated environments with compliance

Micro-SaaS Architectures

Creating product ecosystems and scalable SaaS platforms

Case Studies

Systems That Scale

Here are some of the complex systems and products I've architected and built, each solving unique challenges in scalability, reliability, and compliance.

Cybersecurity dashboard showing threat intelligence data and vulnerability assessments

Comprehensive Cybersecurity Asset Monitoring Platform

Architected and developed an enterprise-grade cybersecurity asset monitoring platform that aggregates multiple threat intelligence sources, providing real-time vulnerability assessment, brand monitoring, and data breach detection for digital assets.

Client:Enterprise Security Solutions Inc
Role:Lead Full-Stack Developer & Security Architect
Key Outcome:Monitored 10,000+ digital assets with 99.9% uptime, detected 500+ critical vulnerabilities, and prevented 50+ potential data breaches

Technologies Used

Laravel
PHP
MySQL
Redis
+6 more
Technical Articles

Sharing Knowledge

I write about complex system design, architectural patterns, and lessons learned from building scalable backend systems and SaaS products.

Clients I Worked With

Over the years, I've worked with various companies and startups, helping them build reliable systems and achieve their technical goals.

Get In Touch

Let's Build Something Together

I'm always interested in discussing complex engineering challenges, SaaS architecture, or potential collaboration opportunities. Feel free to reach out!

Contact Methods

Email

For detailed discussions

khaled@example.com

LinkedIn

Professional networking

Connect with me

GitHub

Open source collaboration

Follow my work

Open to discuss:

  • System architecture and design challenges
  • SaaS scaling and multi-tenancy strategies
  • Event-driven and distributed systems
  • Collaboration on interesting projects
  • Speaking opportunities and content creation

Send a Message

Drop me a line and I'll get back to you as soon as possible.