Onur D.

Mobile Developer

615 dollar
16 years

My experience


Dever Consultancy LtdOctober 2018 - Present

    • Consulting for a company to improve its resource management solution consisting of web interfaces and mobile apps
    • Consulting for a startup which works on a mobile app for enriching customer experience in restaurants
    • Designed, developed and released my own vocabulary builder app in the App Store. It uses Natural Language Processing to list the words of any text content, let users check the words they know and study the rest by using its in-App browser.
iOS, Swift, Core Data

Self-EmployedJanuary 2018 - October 2018

    • Delivered a collaboration platform for AstraZeneca aiming in-house distribution of business best practices and enhancing sales representatives’ effectiveness.
    • Developed codes for a golf training mobile app using technologies including sound detection, external camera integration and video recording.
SQL Server, SSRS, ASP .Net MVC, C#, JavaScript, HTML, CSS, iOS, Swift

AstraZeneca InternationalMarch 2017 - December 2017

AstraZeneca is one of the leading global pharmaceutical companies with headquarters in the UK.
    • Created a blueprint for a data onboarding workflow for a large variety of file formats and regional differences for the integration of data from several distributors around the world to company’s data warehouses to enable the data for the top decision-makers global level.
    • Implemented data warehouse, ETL pipelines and data integrity solutions for the 2 pilot countries which atomized periodic data cleansing jobs and reduced their upload time from days to hours.
    • Worked on a cross-markets virtual project team including USA, UK, Sweden, Poland, Turkey, Saudi Arabia, India, China, Japan, and Australia by adapting time zone differences.
Amazon Redshift, Amazon S3, PostgreSQL, SnapLogic, Power Query M Language

AstraZeneca TurkeyOctober 2010 - March 2017

    • Architected an intranet platform including databases, reports and ETL solutions for sales data from IMS (currently IQVIA) Improved report generation run-time from days to minutes and received Execution Excellence Award.
    • Developed ETL packages for departments including Sales Force Effectiveness and HR to integrate with global platforms such as Reltio, Veeva, and Workday. Achieved zero downtime and seamless business workflow process experience.
    • Managed several successful migrations for country servers without service lost including SQL Server 2000 to 2014 migration.
    • Constructed collaboration and CMS portals for Turkey and MEA which are used across multiple projects.
    • Developed and maintained several intranet solutions which successfully adapted to rapid business and regulation changes along years and reduced the time in front of screens and enabled Field Force to keep their focus on business.
    • Developed an evaluation platform that provides immediate issuing of certificates in comparison to the paper-based process which was taking weeks. Received Be a Great Place to Work Award.
    • Implemented RESTful web services for internal and 3rd party mobile apps.
    • Conceptualized and developed a native iOS app for meeting room scheduling that integrates with O365 web services. Implemented in Turkey and Colombia and simplified ad hoc meeting processes by using retired devices.
SQL Server, SSIS, SSRS, ASP.Net MVC, ASP.Net Web API, WCF, C#, JQuery, HTML, CSS, Bootstrap, JSON, Entity Framework, SharePoint, O365, Swift, iOS

Tepum SigmaMarch 2009 - July 2010

One of the long-established IT companies in Turkey, later acquired by Asseco, the largest technology corporation in Poland.
    • Architected data warehouse, ETL and reporting modules for Asylum and Country of Origin System project (€2M EU fund) that aims to provide integration between the EU and Turkey Refugee processes for the Ministry of Interior which satisfied the SOW requirements and received approval from the client according to acceptance criteria.
    • Analysed technical and functional requirements stated in SOW and developed the respective solutions for the collaboration portal for the same project successfully.
    • Designed and implemented a publishing portal for General Directorate of Security.
    • Analysed and responded to SOW requirements for a franchised content management solution for one of the oldest banks of the country.
SQL Server, SSIS, SSRS, C#, SharePoint, CSS, HTML, Open Text ECM, XML, Informatica Identity Resolution (Fuzzy Logic)

Project HouseOctober 2006 - March 2009

A pioneering interactive agency, today it’s fully incorporated into HAVAS, one of the most significant global advertising groups in the world.
    • Designed, developed and managed high integrity database solutions with high-performance reports, and advanced ETL solutions like customer deduplication which helped the company to prove the ability to provide data solutions beyond other marketing companies in that period.
    • Took responsibility for full stack developments, web sites and web services for mobile and database solutions at the same time, working one-to-one with project managers, customers, designers and proudly contributed to company’s rapid growth by providing new services for customers.
SQL Server, SSIS, C#, HTML, JavaScript, ASP.Net, Web Services, Dundas Charts, AJAX, Telerik RAD Controls

M&L ComputerSeptember 2005 - September 2006

Catering technologies to the Jewellery industry with customers around the globe.
    • Developed reporting modules for migration of existing ERM in Visual Fox Pro.
T-SQL, C#, .Net, DevExpress Xtragrid

My stack

Computer Tools

MS Office 365, Microsoft Excel


Dundas, M Language, Amazon S3, Data Integration




Trello, Core Data, Web Services, Telerik Rad Controls, SignalR, SharePoint, Telerik, Balsamiq, DevExpress, ASP.NET Web API, ASP.NET Core


Flutter, WCF, jQuery, Entity Framework, Bootstrap, .NET


LINQ, SQL, Swift, HTML, Objective-C, GraphQL, MVC, JavaScript, ASP.NET MVC, XML, ASP.NET, CSS, C#, T-SQL

IT Infrastructure

iOS, Amazon Redshift

Analysis methods and tools




Environment of Development

Xcode, SSMS, Visual Studio


SQL Server, PostGreSQL, Microsoft SQL Server

Big Data

Data Visualization


Database Design, NLog, UX

Business Intelligence

SSIS, ETL, SSRS, Power BI, Business Intelligence

My education and trainings

Bachelor of Science, Physics - Yildiz Technical University2004 - 2004