# Mert Ç. > Principal Engineer, Oracle Java Champion, Author Location: San Francisco Bay Area, United States Profile: https://flows.cv/mert1 Coder. Oracle Java Champion. Author of the Beginning Spring book published by Wiley. Author of the PrimeFaces Cookbook published by PacktPub. Founder of AnkaraJUG. Part-time Lecturer at Hacettepe University. Speaker for local and international conferences. ## Work Experience ### Principal Engineer @ Atlassian Jan 2020 – Present | San Francisco Bay Area Working with Bitbucket Core Experience team that owns main functionalities like, Repositories and Pull Request management, along with features like Search. ### Principal Engineer @ Atlassian Jan 2018 – Jan 2020 | Ankara, Turkey Working with Opsgenie platform team that owns services for Identity, AWS client libraries and search ### Coder @ T2 Yazılım Jan 2012 – Jan 2018 | Ankara, Turkey Providing architectural consultancy and hands-on development for telco and fintech industries. Building knowledge on application development by utilising Java based open-source frameworks. Delivering products that meet the requirements by considering measures like performance, consistency, availability. ### Guest Lecturer @ Hacettepe University Jan 2014 – Jan 2015 Delivering the lecture, BBM490 - Enterprise Web Architecture, for the 4th grades. Delivering the lab, BBM488 - Web Services Lab, for the 4th grades. ### Software Architect @ STM - Defense Technologies Engineering Inc. Jan 2005 – Jan 2012 | Bilkent, Ankara Integration Core Architect and Team Leader for NATO Air Command and Control Information Services (AirC2IS) and NATO Afghan Mission Network (AMN) projects. Owns the Integration Core Architecture that consists of common components. Manages the expectations of NATO from systems’ integration perspective. Builds the knowledge on NATO Core Enterprise Services and also aligns this knowledge with Bi-SC AIS programme with the guidance of Purchaser. Coordinating the Integration Core needs of other development teams to shape up the Service Oriented Architecture (SOA) Governance. Ensures that the expected unified Integration Core Product fulfills the requirements of the stakeholder projects. Ensures that the necessary information flow between the Purchaser and the Contractor in the related areas is achieved in a timely manner. Software Architect for Web based Command Control Systems. Primarily focused on the Architectural aspects of these projects that are mostly utilized by many open source frameworks and leveraged the use of OSS in the company. ### Software Engineer @ CyberSoft Information Technologies Jan 2003 – Jan 2005 Development and design of an n-tiered web-based application for the DİR regime of Under secretariat of Foreign Trade. First smart card application in Turkey with PKI solutions and digital signature. Implementation of MVC2.0 architecture with J2EE Design patterns. ## Education ### BS in Computer Engineering Hacettepe University ## Contact & Social - LinkedIn: https://linkedin.com/in/mertcaliskan --- Source: https://flows.cv/mert1 JSON Resume: https://flows.cv/mert1/resume.json Last updated: 2026-04-12