Hi, my name is

Onur Çeri.

I build things for the web.

I'm a senior software engineer specializing in building exceptional digital experiences. Currently, I'm focused on building accessible, human-centered products at Swisscom.

About Me

Hello! I'm John, a senior software engineer with a passion for building exceptional digital experiences. My journey in software development began in 2015, and I've had the privilege of working with diverse teams across different domains.

My expertise spans backend development, API design, and cloud infrastructure. I approach problems with a focus on scalability, performance, and clean code. I believe in building software that not only works flawlessly but is also maintainable and adaptable to changing requirements.

Currently, I'm working at Swisscom as a Python Developer, where I focus on developing robust backend solutions.

Here are a few technologies I've been working with recently:

  • JavaScript (ES6+)
  • TypeScript
  • Python
  • React
  • Node.js
  • PostgreSQL
  • REST APIs
  • Google Cloud Platform
  • Docker
  • C#
  • Java
  • SQL Server
Headshot

Where I've Worked

Python Developer @ Swisscom

June 2024 - Present

  • Working as a Python Developer based in Rotterdam, Netherlands.
  • Developing and maintaining backend services for Swisscom's digital platforms.
  • Working with a diverse, international team to deliver high-quality solutions.

Some Things I've Built

Other Noteworthy Projects

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Banking System Migration

Migrated legacy banking systems from PowerScript to C#, ensuring business logic continuity and improving system performance.

  • C#
  • SQL Server
  • ASP.NET
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E-commerce Website

Developed a responsive e-commerce platform for a mobile phone manufacturer with product catalog, shopping cart, and order management.

  • ASP.NET MVC
  • C#
  • JavaScript
  • SQL
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File Synchronization Tool

A secure file synchronization system for transferring sensitive data between devices with encryption and integrity verification.

  • Java
  • FTP
  • Encryption
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Personal Blog

A minimalist blog built with modern web technologies featuring dark mode, responsive design, and optimized for performance.

  • React
  • Next.js
  • Tailwind CSS
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Weather Dashboard

A real-time weather dashboard that displays current conditions and forecasts based on user location or search.

  • JavaScript
  • Weather API
  • CSS Grid
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Task Management App

A productivity application for managing tasks with features like categories, priorities, and deadline notifications.

  • React
  • Firebase
  • Material UI

What's Next?

Get In Touch

I'm currently looking for new opportunities and my inbox is always open. Whether you have a question or just want to say hi, I'll do my best to get back to you!