Open to Backend Developer opportunities

Building enterprise applications, APIs and learning platforms.

I am a backend-focused software developer with professional experience in PHP-based systems, Moodle LMS platforms, REST APIs and database-driven applications.

5+Years of professional experience
3Professional software roles
10+Backend technologies and tools
CurrentlySoftware Developer

MTR Bilişim

PHPMoodleNode.jsMySQL
Architecture

Backend foundations designed for real product needs.

My work focuses on building stable backend features, clear application flows and maintainable systems for enterprise products.

Modular backend development

I structure backend features as focused modules that are easier to maintain, test and extend.

Clean structureServicesRepositories

Authentication and authorization

I work with login flows, role-based access control, permissions and protected application areas.

RBACPermissionsSecurity

Database-driven systems

I design and improve relational database structures with attention to consistency and maintainability.

MySQLPostgreSQLData integrity

REST API integrations

I build and integrate backend endpoints that connect products, platforms and third-party services.

RESTJSONSwagger

Enterprise LMS workflows

I develop Moodle-based workflows for users, roles, courses, permissions and custom learning modules.

MoodlePluginsLearning systems

Legacy code improvement

I refactor existing PHP applications, resolve bugs and make older systems easier to evolve.

PHPRefactoringMaintenance
Experience

Professional experience across enterprise and data-driven products.

My professional journey includes learning platforms, maritime logistics systems and custom web applications.

July 2023 — Present

Software Developer

MTR Bilişim

Current role

Contributing to enterprise-level educational platforms and Moodle-based learning management systems.

  • Developing and maintaining Moodle-based LMS platforms
  • Building custom Moodle plugins and backend modules
  • Managing users, roles, courses and permission workflows
  • Designing and optimizing MySQL-backed features
  • Refactoring legacy PHP code and resolving production issues
  • Collaborating with product and content teams
PHPMoodleMySQLJavaScriptGit
June 2022 — July 2023

Backend Developer

ShipsGo

Worked on data-driven backend systems and reporting solutions in the maritime logistics domain.

  • Developing analytics and reporting backend features
  • Presenting customer data through charts, tables and PDF reports
  • Writing tests for controller layers
  • Developing CRM-related backend functionality
  • Integrating third-party REST APIs
LaravelPHPJavaScriptMySQLREST API
April 2021 — February 2022

Full Stack Developer

AdresGezgini

Developed custom web solutions and CMS-based applications for local and international clients.

  • Designing and developing corporate websites
  • Building custom CMS solutions
  • Contributing to CRM-focused R&D projects
  • Developing UX-oriented web applications
PHPCodeIgniterJavaScriptHTMLCSSMySQL
Projects

Selected work across enterprise products and client projects.

A selection of professional backend responsibilities and freelance web projects developed for different business needs.

Freelance work

Web solutions for local and international clients.

Earlier in my career, I developed corporate and event-focused websites for clients across different industries.

Freelance Website

Akl Law

Corporate web presence developed for a professional legal services company with a clear and accessible content structure.

PHPJavaScriptHTMLCSS
Freelance Website

Kano Marine

A corporate website created for a maritime business, presenting company services and industry-focused content.

PHPJavaScriptHTMLCSS
Freelance Website

Malton London

An international-facing business website built with reusable content sections and responsive layouts.

PHPJavaScriptHTMLCSS
Freelance Website

LEBIS Conference

Conference website developed to communicate event information, speakers and programme content.

PHPJavaScriptHTMLCSS
GitHub

Latest repositories and active development work.

The most recently pushed public repositories from my GitHub profile.

Public repository

Next My Website

A public software project available on my GitHub profile.

Last push Just now
TypeScript
0
0
View repository
Public repository

Video Streaming API

A public software project available on my GitHub profile.

Last push 5 months ago
TypeScript
0
0
View repository
Public repository

Project Management Api

A public software project available on my GitHub profile.

Last push 5 months ago
TypeScript
0
0
View repository
Public repository

Social Media Api

A public software project available on my GitHub profile.

Last push 5 months ago
TypeScript
0
0
View repository
Public repository

Chat Api

A public software project available on my GitHub profile.

Last push 5 months ago
HTML
0
0
View repository
Public repository

E Commerce API

A public software project available on my GitHub profile.

Last push 5 months ago
TypeScript
0
0
View repository
Tech Stack

Technologies selected for maintainable backend development.

My main focus is backend development, supported by database design, application architecture and delivery tools.

01

Backend

Languages and frameworks used to build backend services and enterprise applications.

PHPLaravelCodeIgniterNode.jsTypeScriptNestJSGoMoodle
02

Database

Relational database systems used in data-driven backend applications.

MySQLPostgreSQLDatabase DesignQuery OptimizationData Consistency
03

Architecture

Development practices used to keep applications maintainable and extensible.

REST APIsAuthenticationAuthorizationRBACClean ArchitectureRepository PatternService Layer
04

Tools

Tools used throughout development, testing and delivery workflows.

GitDockerSwaggerPostmanComposernpmLinux
Primary focusBackend applications and enterprise systems

PHP and Moodle form the foundation of my professional experience, while I continue developing modern backend projects with Node.js, TypeScript, NestJS and Go.

Contact

Interested in working together?

I'm currently open to Backend Developer opportunities. If you'd like to discuss a role, a project or simply get in touch, I'd be happy to hear from you.

© 2026 Ceren Demir. Built with Next.js, TypeScript and care.

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