Badges
Certifications
Work Experience
Head of Engineering
PT Global Tiket Network• May 2022 - August 2023
Engineering Manager
Zuellig Pharma• September 2021 - April 2022
Senior Software Engineer
Mighty Bear Games• November 2019 - August 2021
● Research and prototyping for multiplayer mobile games. ● Player Support Platform ● Continuous Integration & Delivery Setup ○ Preparing pipelines on Jenkins for game servers. ● Player engagement applications ○ Player facing web application to allow players to claim in-game items and promotions based on predefined actions like following certain social media accounts, posting in social networks, and giveaways based on local events. ● Analytics and tracking systems ○ Tracking player behaviour on the client and processing it for preparing meaningful data analysis for marketing and growth teams. Java, C#, GRPC, Redis,DynamoDB, AWS, React,NodeJS, SpringBoot
Solution Architect - Part-Time/Contractor
InfraDigital Nuasantara• August 2020 - October 2020
● System analysis, design, optimisations and evaluation. ● Data scraping Golang, Heroku, Python, PostgreSQL
Advanced Software Engineer cum Product Owner
TheNetCircle• March 2011 - November 2019
● Search Service ○ Leading the product management, development and on-boarding processes. ○ Serving multiple dating networks with more than 8M users, providing both core search functionalities and backbone services for a feed system, quick-and-easy storage for light weight features. ○ Based on Apache Solr and set up on an in-house self-designed cloud structure, the system helps to reduce the load on the database by 4~5 folds as searching is completely separated from the actual prod databases. ○ Customized the default functions for the needs to the sites, including ■ Mapping for non-English Latin characters into English ones to increase the accuracy and user experience. ■ Pre-processor for initial import operations from database https://github.com/durmusdeniz/solr-custom-transformer ■ Customized distance unit plugin for better search experience https://github.com/durmusdeniz/custom-distance-unit-plugin ■ Middle-layer to unify the search and update queries, adding an extra layer for input sanitization and validation. ■ Microservices for functions like real time member online/offline status handling ● Payment System ○ Leading the product management, development and on-boarding processes. ○ Serving multiple dating networks with more than 8M users, provides security, validation, membership administration, charge updates and transaction logs for all of the payments. ○ Constantly analyzing the status of the application and enabling new functionalities while keeping scaling and robustness in mind. ○ Supports both traditional payment gateways and mobile payment services of Apple and Google stores as a separate Microservice instance. Exposes different APIs, both for payments itself and for administration purposes and visualization. ○ Provides needed data for membership and purchase updates for the sites and data analysis. ● Blockchain ○ Leading the research and prototyping blockchain-based infrastructure to incentivize better user behaviour and user engagement. ○ Wallet implementations and integrations with the existing social networks. ● User Reputation & Fraud Detection ○ Combining payment, search and other user behaviour data to classify and rank users. ○ Reducing trivial fraud payments. ● Various desktop applications written in Kotlin, Java, Python and Shell script to support daily tasks and custom monitoring, as well as getting summary data of different components. ● Working with different teams in different timezones, including customer support, marketing and finance departments. Java, MySQL, Apache Solr, Apache Lucene, J2EE, SpringBoot, Hadoop, HBase, Blockchain, React, NodeJS, Kotlin, Scala, Apache Kafka, Product Management
Software Engineer
32Bit Bilgisayar• December 2010 - March 2011
Assistant Software Engineer
Huawei• December 2009 - November 2010
Education
Anadolu University
International Relations&Politics, DroppedOut• October 2009 - March 2011
Marmara University
Computer Science & Engineering, BE• October 2005 - July 2009
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Skills
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