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Serkan Subasi

Database Administrator, Solution Developer

Can work in or around Istanbul

  • 41.0096
  • 28.9652
  • Suggested rate €600 / day
  • Experience 7+ years
Propose a project The project will begin once you accept Serkan's quote.

This freelancer is available part-time (4 days per week) but hasn't confirmed their availability in over 7 days.

Part-time, 4 days per week

Propose a project The project will begin once you accept Serkan's quote.

Location and workplace preferences

Istanbul, Turkey
Can work onsite in your office in
  • around Istanbul and 50km


Project length
  • ≤ 1 week
  • ≤ 1 month
  • Between 1-3 months
  • Between 3-6 months
  • ≥ 6 months
Business sector
  • Tech
  • Telecommunications
  • Education & E-learning
  • Digital & IT
Company size
  • 1 person
  • 2-10 people
  • 11 - 49 people
  • 50 - 249 people
  • 250 - 999 people
+2 autres


Freelancer code of conduct signed
Read the Malt code of conduct

Verified email


  • Turkish

    Native or bilingual

  • English


Skills (8)

Serkan in a few words

I have passion about computers, software and databases, I designed and developed software solutions for more than 20 years. I love to solve problems by providing sustainable robust solutions, adding value by means of technology and automation.



Self Made Human International Academy

Chief Technology Officer  - As a freelancer

İstanbul, Turkey

February 2021 - Today (1 year and 2 months)

SBS Software and Consultancy Services

Chief Technology Officer  - As a freelancer

Sarıyer, İstanbul, Turkey

February 2020 - Today (2 years and 2 months)

Hayat Varlık Yönetim A.Ş.

Chief Technology Officer

İstanbul, Turkey

September 2009 - October 2019 (10 years and 1 month)

Strategic Information Technology (IT) Consulting. Architecting IT environments for efficiency and manageability. Implementing major hardware and software vendors solutions. Developing distressed debts (NPL) collection management system and processes. Improving business by means of technology. ✔ Establish and communicate the company's technology strategy to investors, board of directors, staff, partners, customers, and stakeholders. ✔ Started many initiatives to be best debt collection company of Turkey by applying fair collection principles. Motivate talents and to help discover their own potentials. ✔ Architected whole IT infrastructure and debt collection processes running 24/7. ✔ Established software development team and R&D center. ✔ Designed real-time budget and management reporting. ✔ Established collaboration platform for smooth and efficient operation of all departments. ✔ Developed technical aspects of the company's strategy to ensure alignment with its business goals. ✔ Discover and implement new technologies that yield competitive advantage ✔ Help departments use technology efficiently, profitably and securely


IT Director

İstanbul, Turkey

October 2007 - August 2009 (1 year and 10 months)

Strategic information technologies (IT) Consulting. Comprehensive IT infrastructure development and database management. Architecting Business Intelligence projects. Managing Vmware server virtualisation project.

SBS Software and Consulting

IT Consultancy Services  - As a freelancer

İstanbul, Turkey

November 2003 - September 2007 (3 years and 10 months)

Sabanci Telekomunikasyon Hizmetleri A.S.

Senior Director Information Technology

İstanbul, Turkey

September 2002 - October 2003 (1 year and 1 month)

✔ Setting up a next gen telco (VOIP) from ground up. ✔ Designed, managed and improved whole IT infrastructure running 24/7. ✔ Contact CRM systems database design, implementation. ✔ Prepaid and postpaid billing systems design and implementation. ✔ Best in class Radius AAA systems setup and running

Sabanci Telekomunikasyon Hizmetleri A.S.

Director Of Information Technology

İstanbul, Turkey

September 1996 - September 2002 (6 years)

✔ Designed Internet Service Provider (ISP) from ground-up, architected, developed software and database applications. ✔ CRM, Billing, Banking Gateways, Radius Systems etc. ✔ Designed high volume customised emailing system. ✔ First subscription model paid content implementation in Turkey ✔ Comment to news model, for more interaction. ✔ Deliver email to mobile, project. ✔ Turk Nokta Net awarded Best ISP and Best Portal in golden spider annual contest in 2002. ✔ Designed and implemented new ISP operation for Akbank in one day (thanks to our flexible design and great team)

Time Bilgi Teknolojileri ve Sistemleri San. ve Tic. Ltd. Şti.

Software Engineer

January 1994 - May 1996 (2 years and 4 months)

✔ Designed and developed electronics, pcb boards. heartbeat check and reset system for servers running ACD (Automatic Call Distribution) systems ✔ IT hardware and software of Riziko! contest (Turkish version of Jeopardy) ✔ ACDLan, managing central switch board and collaboration application. ✔ Ministry of Defense, Unique Tax Numbering project.