Hızır S.

Hızır S.

Senior Software Engineer & Architect

Turkey
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About Me

Hizir is an experienced software engineer with 10+ years working in various environments, from fast-paced start-ups to corporations, including as a tech leader of data engineering and architecture in Coca-Cola Icecek, leading a team of 19 people. He specializes in Java, having hands-on experience with full-cycle software development, Agile methodologies, hiring and creating teams. He had the chance to design his own flows for the development and design of software, also assessing and hiring 30+ people in the last 3 years.

Work history

UpStack
UpStack
Senior Software Engineer & Architect
2021 - Present (3 years)
Remote
  • Create and develop innovative software solutions for different clients across a broad range of industries.

  • Participate in scrums consisting of cross-functional teams, both software and hardware.

  • Ensure that features are being delivered efficiently and on-time.

Coca-Cola Icecek
Coca-Cola Icecek
Data Engineering/Architecture Leader
2019 - Present (5 years)
Turkey
  • Established 3 teams of data engineers and architecture totaling in 19 people for one of the key bottlers in the Coca-Cola System.

  • Implemented a data lake, data-warehouse, ODS, and two IoT solutions for factories.

  • Led 4 cloud environments in order of involvment: GCP, AWS, AZURE, IBM Cloud.

Comeon.com
Comeon.com
Senior Java Architect
2015 - 2019 (4 years)
Sweden
  • Worked on the development of software solutions for a wide ecosystem, including payment, fraud detection, game integrations.

  • Designed and implemented new systems with bleeding edge technologies and ported the legacy codebase to new era.

  • Closely collaborated with stakeholders to implement new reliable and scalable systems using the latest technologies.

VNGRS
VNGRS
Senior Scala Developer
2012 - 2015 (3 years)
Turkey
  • Worked on architecting and developing Leaf, an application with the goal to improve communication processes in the gastronomy sector. Developed various parts of the system, including the analytics and reporting modules, contributing to the core of the project.

  • Developed and designed Bookish.com, designed to be a competitor for amazon.com, as a book catalogue site. It was funded by the biggest publishers in the US.

  • Led the web and back-end team, also actively developing using Scala and other technologies.

SocialWire
SocialWire
Senior Software Developer/Scalability Engineer
2011 - 2012 (1 year)
Remote
  • Developed and delivered the report mechanism and recommendation algorithms for SocialWire's recommendation engine on a high scale.

  • Re-implemented some parts of the distributed and scalable message passing page crawling system.

  • Worked on facebook integration and data fetching parts, requiring a strong grasp of Java technologies.

Risk Software Technologies
Risk Software Technologies
Senior Software Engineer
2011 - 2012 (1 year)
Turkey
  • Performed software development and integration processes for the company's biggest two products namely Market Risk and Portfolio Management.

  • Used multithreading, parallel execution (RMI), native programming (JNI with ANSI C), memory and CPU allocation.

  • Developed very attractive and compact components for the interface using HTML, JavaScript, CSS, and AJAX.

Various Companies
Java Developer
2007 - 2011 (4 years)
Turkey
  • Planning, developing, and testing e-devlet transformation for İlan Kurumu in İstanbul, leading a team of three developers.

  • Managed to transform the system, including the inner workflow and outer presentation of features offered.

  • Re-implemented legacy ERP systems using Java and modern technologies; the system included CRM, HRM, Purchasing, and Stock control.

Portfolio

Software Engineer - Comeon.com
Software Engineer - Comeon.com

Founded in 2008, the ComeOn Group has had a fantastic journey growing from a small start-up to a big player in online gaming. Powered by a lean but highly skilled workforce the ComeOn Group is practicing a multi-brand strategy to be able to create better user experiences through meaningful brands. The software ecosystem is very wide including payment, fraud detection, game integrations, etc. I was responsible for designing and implementing new systems with bleeding-edge technologies and porting the legacy codebase to a new era. Made the developer hirings for the Istanbul office as well.

Software Engineer - Leaf Inc
Software Engineer - Leaf Inc

The Leaf Systems GmbH was founded in June 2013 with a goal to improve communication processes in the gastronomy sector. The system implemented innovation using mobile devices and tablet computers to dispatch meal and beverage orders, which accelerates processes and transactions and shortens communication paths. My team was developing various parts of the system. Analytics and reporting are one part. We also developed the Web UI for analytics and reports. The team also had Android developers and contributed to the core of the project.

Software Engineer - SocialWire
Software Engineer - SocialWire

SocialWire wants advertisers to hyper-optimize their Facebook ads experience. With SocialWire, brands can get users to organically share a story on Facebook’s Open Graph, and then use Facebook Sponsored Stories to promote that story to its most valuable potential customers. I worked as a Java developer on this project. We were building a recommendation engine for e-commerce, using Hadoop map-reduce and similar technologies (no spark and similar were around at that time). The project was funded $2M after our successful implementation.

Education

Highschool Diploma
Highschool Diploma
Pertevniyal Lisesi