Backend development
Secure services and the business logic behind them.

Charbel Mdawar
Building secure systems. Delivering reliable software.
Backend engineering with a quality-first mindset. I build secure services, connect real-time systems, and lead the testing that helps teams ship with confidence.
01 / Expertise
Engineering and quality are part of the same process. Here is the toolkit I bring to both.
Secure services and the business logic behind them.
Connected applications with thoughtful access control.
Test strategies that turn requirements into release confidence.
02 / Experience
Leading quality across web applications, APIs, and backend services.
Building enterprise identity and payment services with Java and Spring Boot.
Delivering real-time applications and improving performance across the stack.
Validating APIs and web interfaces from business rules to security.
03 / Selected work
Systems I have built and validated, spanning backend engineering, customer platforms, and quality assurance.
Multi-tenant SaaS call center platform
A call center platform connecting real-time calling with the customer and organizational workflows behind every conversation.
Britrip is a B2B travel platform for agencies and businesses, bringing flights, hotels, and other travel services together. I developed its platform-wide SSO and payment systems with Spring Boot, plus a support and ticketing system with Laravel.
04 / About me
My experience spans both building software and validating it. From testing APIs and web interfaces to leading authentication, payment, and quality initiatives, I bring a practical understanding of how systems behave beyond the happy path.
I work across backend services, application security, performance, and delivery—collaborating with developers and stakeholders to make software more reliable from development through release.
Engineering notes
Practical perspectives on backend engineering, quality, and dependable systems.
05 / Get in touch
Have a project, an engineering challenge, or a role in mind? Let’s connect.
[email protected]References available on request.