Haydar KÜLEKCİ
Senior Software Engineer at motivolog & reformo
Ankara, Ex-İstanbul, Turkey
Summary
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SeniorHaydar Kulekci is a seasoned software engineer and founder with 12+ years of experience building scalable data processing and search infrastructure. He has led the design and operation of data pipelines using AWS Glue, Apache Spark Streaming, Kinesis, SQS, and Redshift to manage large-scale datasets and power performant APIs. An Elastic Certified Engineer and Bronze Contributor, he contributes to open-source projects such as laravel-scout-elasticsearch and the official elasticsearch-php client, focusing on search response handling and testing, and he has delivered presentations and workshops on Elasticsearch to engineering audiences. As a founder and leader, he currently co-founded Etsetra (2025–present), leads StartupDeal (since 2023), and previously steered teams at Browzzin, Zingat, Jawabkom, EPAM, and others, bringing hands-on coding together with strategic product direction. Based in Ankara, Türkiye, he is open to opportunities with relocation sponsorship to the USA, UK, or the Netherlands and seeks to translate complex data problems into practical, production-ready solutions.
13 years of coding experience
Stackoverflow
1,926reputation
70kreached
112answers
3questions
elasticsearch
top-5%
Github Skills (35)
iteration10
client-library10
laravel510
elasticsearch710
testing10
laravel610
elasticsearch810
amazon-elasticsearch10
laravel1010
iterative10
elasticsearchapi10
laravel10
laravel910
elasticsearchquery10
php10
Programming languages (11)
Github contributions (5)
matchish/laravel-scout-elasticsearch
Feb 2022 - Sep 2022
Search among multiple models with ElasticSearch and Laravel Scout
Role in this project:
Back-end Developer
Back-end DeveloperContributions:12 reviews, 35 commits, 19 PRs in 6 months
Contributions summary:Haydar primarily focused on maintaining and improving the `laravel-scout-elasticsearch` package. Their contributions include upgrading PHP versions, fixing code style issues, and addressing dependencies. They also implemented features like support for Elasticsearch 8 and improved the lazyMap functionality. The user made changes related to improving the functionality of the package in line with improvements in the laravel/scout library.
scoutphplaravel-scoutelasticsearchlaravel
elastic/elasticsearch-php
Dec 2019 - May 2023
Official PHP client for Elasticsearch.
Role in this project:Back-end Developer
Back-end DeveloperContributions:2 PRs, 24 comments in 3 years 5 months
Contributions summary:Haydar contributed to the official PHP client for Elasticsearch by adding support for Elasticsearch responses to the search iterator. This involved modifying and creating test files, specifically focusing on iterating through search responses and handling data. The user's work encompassed changes to classes related to search response iteration and hit iteration, including class property naming changes and addressing undefined method issues. These changes demonstrate their focus on enhancing the client's functionality and improving its ability to process Elasticsearch data.
phpphp-clientelasticsearch
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