Haydar Kulekci

Senior Support Engineer

Qdrant

Jan 2026 - Current (5 months)

Co-Founder

Etsetra

Feb 2025 - Current (1 year 4 months)

Founder

StartupDeal

Nov 2023 - Current (2 years 7 months)

Senior Software Engineer

EPAM Systems

Mar 2023 - Jul 2024 (1 year 5 months)

• Improved the search function to increase efficiency and created effective solutions to optimize performance (OpenSearch, Elasticsearch). • Designed and implemented a high-quality data processing pipeline using AWS Glue, Apache Spark Streaming, Kinesis, SQS, and Redshift to effectively manage large-scale datasets. • Provided expert assistance to cross-functional teams on search-related issues as Key Developer. • Provided proficient support to cross-functional teams regarding search-related matters as a key developer.

Senior Data Engineer

Browzzin

Jun 2020 - Mar 2023 (2 years 10 months)

• Worked for different products of the company and created different microservice pipelines for each of them • Especially created data pipeline to fetch from the data source and enrich them with AI service-provided data • Created an ETL pipeline on top of Elasticsearch to handle all the business-related logic for data flow

Senior Software Engineer

Jawabkom

Oct 2018 - Jun 2020 (1 year 9 months)

I was responsible for maintaining the TurbojetVPN mobile applications backend API and VPN services. Also, I worked for Jawab Chat Project backend side to build an API and messaging system services with PHP, NodeJS and MQTT. I did heavily Devops operations and developed API with PHP and Laravel.

Software Team Lead

Freebird Airlines

Jun 2016 - Jul 2017 (1 year 2 months)

I worked as a Team Leader of Freeboard Airlines Software Team. We are working on a platform to manage all the operations of the company. I am responsible for increasing team productivity and managing development processes. Besides, I am leading deployment processes and claim responsibility for controlling communication between system and software team.

Team Lead

Zingatcom

Apr 2015 - Jun 2016 (1 year 3 months)

I started as a Software Developer in Zingat. I had worked as a Soft. Dev. for six months. After that, I continued as Team Leaders for the backend team. We used Zend Framework 2 to create an API for zingat.com, is a real estate web application. I was intimately involved with Elasticsearch, Zend Framework, Queue Systems, Application Architecture, Scalability, Agile, Jira, Scrum, Team Management subjects. Also, I become heavily experienced about Elasticsearch (advanced queries, mapping, analysers, ...), Scalability of Application and Zingat Subscription Model and Payment System.

Software Developer

Zingatcom

Nov 2014 - Apr 2015 (6 months)

Founder / Search Engineer

Motivolog

Aug 2013 - Current (12 years 10 months)

My expertise spans from architecting large-scale data infrastructures and microservices to optimizing search capabilities using advanced technologies like Elasticsearch, OpenSearch, Qdrant, and AWS services. My journey reflects a passion for solving complex problems, fostering strategic partnerships, and continuously exploring cutting-edge technologies such as Vector Search and AI to empower businesses and users alike.

Application Developer

VIVEKA

Jul 2011 - Nov 2014 (3 years 5 months)

Viveka is a full-service startup accelerator and consulting in the heart of Turkey. I started Viveka as an Application developer and I ended up as the team leader of the team. I got in touch with lots of startups to develop their technologies. So, I worked on lots of technologies. I used some database systems: MySQL, Neo4j, MongoDB, Elasticsearch, etc. And some mobile development tools and languages: Obj-C, NimbleKit, Titanium (Appcelerator), Phonegap, ...etc. And developed lots of web applications and API services with PHP, Python.

G

Application Developer - Founder

GardenTR İnternet Hizmetleri

Jan 2007 - Dec 2010 (4 years)

Worked on two different CMS systems. I worked on frameworks (Codeigniter, Slim Framework, ...) and opencart e-commerce system. ALso I create a cms system for Gardentr. It is still actively maintained and use for projects.

A

Web Application Developer

Ankara Üniversitesi Sağlık Bilimleri Enstitüsü

Jan 2006 - Dec 2009 (4 years)

I worked to update and improve http://sagbilens.ankara.edu.tr/ website and create a web based forms to transfer papers and documents of the department. I create a registration system to apply the institute.

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