M. Zafer Yahsi

Software Engineer

Contact Me

Who am I

Innovation Enthusiast with Software Development background!


I am a technology enthusiast with an open mindset, loving to take it on and make it happen.

I have designed, developed and helped teams migrate to Service Oriented Architecture as a member of the Enterprise Architecture department of ING Turkey. In addition to that, designed the Continuous Integration and Delivery Pipeline of ING Turkey for more than 30 modules with cross dependencies. An active contributor of the Innovation Bootcamp programme of ING Group since 2014 and acted as Tech Lead for one of the Innovation Bootcamp 2018 winner projects. As well as the architecture and development experience, I have performed as a PO of API Developer Portal, and API Design and Governance squads.

Currently, working in the API Design and Governance squad shaping the API landscape in ING.

Some of my skills


Product Ownership

Framework Design & Development






Web Components




Halic University

Bachelor's Degree of Computer Engineering - Graduated: 2011


ING Netherlands

Consumer Engineer / Amsterdam, Netherlands / 2019 - Present

As a Consumer Engineer of Touchpoint Platform, I am working with different stakeholders within ING (developers, product owners, business owners, etc.) to build successful and reusable solutions using Touchpoint Services mostly by makeathons and PoCs and bringing our consumers' experience to the Touchpoint Platform for improvements by collaborating with Product Area Leads and Platform Architects. Part of my role is also standardizing the existing and new consumer patterns for the platform.

ING Netherlands

DevEngineer @ IT Innovation / Amsterdam, Netherlands / 2016 - 1029

As a DevEngineer in IT Innovation team, I have worked on designing and implementing a global API Management Solution in a multi-cultiral environment. In addition to that, I have supported startups and initiatives within ING Labs environment from IT & Innovation perspective.

ING Bank Turkey

Sr. Software Engineer / Istanbul, Turkey / 2012 - 2016

As a software architect, I have been part of designing and developing application middleware with SOA principles. I have also worked in big transformation projects such as xNext (Core Banking Application) and Smart (Internet Banking Application) as SOA & application architect. Also I have lead the team who has designed the CI & CD as well as developed custom tailored ASP.Net Web Api & AngularJS based management web application.


Software Development Specialist / Istanbul, Turkey / 2011 - 2011

As a software development specialist, I have worked as a member of Front End Development Team at IBTech/Finansbank's New Generation Internet Banking Project.

Resigned due to Military obligation

Turkish Airlines

Engineer & Analyst / Istanbul, Turkey / 2010 - 2011

As a member of Strategy and Business Development, I have designed and developed a web based application to manage the Turn Around Process. I have also acted as coordinator in the project.

Contact me

Please feel free to get in touch with me via;

mzaferyahsi [at] outlook.com