Hi! Let me introduce myself: I'm Sertac and I'm software engineer working on web/desktop applications and side projects (here)

Software Developer with 11 years of business experience in full-stack web development. Proven track record of successfully leading and delivering complex projects in fast-paced environments.I'm a collaborative team player who is committed to continuous learning and staying up-to-date with the latest industry trends and technologies. 

Work Experience

Software Developer 

13ten / TPC / Citipost mail / Citipost

07/2013 - Present - Derbyshire UK

Key Responsibilities:

• Developing and maintaining multi-business applications for carrier processing, job management, and HR operations.

• Designing and implementing APIs with authentication, data processing, and tracking functionalities.

• Enhancing system performance through database optimization and caching strategies.

• Leading integrations with multiple carrier providers for domestic and international shipment tracking.

• Implementing CI/CD pipelines for API testing and deployment across different environments.

• Supporting customer service teams with tools to track, monitor, and resolve client issues.

• Migrating legacy processes (e.g., Excel-based timesheets) into modern applications for efficiency and automation.

Projects:

Carrier Process Website

• Developed a multi-business web application for processing domestic and international shipments.

• Integrated multiple carriers based on business accounts, allowing real-time tracking visibility.

• Built using ASP.NET MVC, C#, JavaScript, T-SQL, with a REST API (EF Core, JWT Token Authentication).

• Implemented CI/CD pipeline to automate testing (XUnit) and deployments.

Packetline Monitor & Web

• Created a WinForms desktop app for internal teams to track processed items, integrated with a web-based client portal.

• Developed ticketing features between customers and support teams.

• Enhanced tracking visibility by collecting email and call data related to shipments.

• Technologies: WinForms (C#), ASP.NET MVC (C#), SQL Server.

HR System

• Migrated a timesheet system from Excel to a WinForms desktop application, improving payment calculations.

• Automated payslip generation, reducing manual effort and processing time.

• Technologies: WinForms (C#), SQL Server.

Job Application System

• Built a web application for managing various job types, rate cards, and financial invoices.

• Designed a structured system for handling job details efficiently.

• It has a bespoke search system to easily add new report types

• Technologies: ASP.NET MVC, C#, SQL Server.

EducatIon

Oxford Brookes University     --                MSc in Computer science

2011 - Oxford UK

Thesis: Information Extraction: The goal of the study is to understand how to extract information from web pages and manage them.

Yeditepe University     --  BSc Information Systems & Technologies

2010 - Istanbul TURKEY

Faculty of Trade; Department of Information Systems and Technologies

Hobbies

Skiing (since 8 years old)

Table tennis, swimming, badminton 

Cooking Turkish food

Travelling

Languages