Data Engineer

Iyzico

Fatih

On-site

TRY 240,000 - 400,000

Full time

14 days+
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Benefits offered by this job

Yemek ve İnternet Desteği
Uzak ofis dışı destekler
Esnek çalışma modeli - sorumlulukla

Job summary

iyzico veri platformu ekibi, büyük ölçekli dağıtık veri ambarı üzerinde uçtan uca veri boru hatları geliştirecek bir veri mühendisi arıyor. Bu rolde SQL yazımı, veri modellemesi ve ETL/ELT süreçlerinin tasarımı ön plandadır.

Python ile veri işleme ve otomasyon becerileri olan, Linux/CLI ortamında çalışabilen adaylar değerlendirilecektir. Ayrıca Airflow, Kafka ve LLM tabanlı çözümlerle çalışma avantaj olarak sunulacaktır.

Qualifications

  • Veri ambarı tasarımı ve ETL/ELT süreçlerinde deneyim sahibi olma.
  • Büyük ölçekli dağıtık veri ambarında SQL yazma ve optimize etme becerisi.
  • Python ile veri işleme ve otomasyon konularında pratik çalışma.
  • Linux/CLI ortamında çalışabilme ve sürüm kontrolü kullanımı.

Responsibilities

  • Batch ve streaming veri boru hatlarını uçtan uca kurup işletmek.
  • Geniş ölçekli PostgreSQL ambarında sorguları yazmak ve optimize etmek.
  • ETL/ELT tasarımlarını geliştirmek ve veri modellerini evrimleştirmek.
  • Airflow ile iş akışlarını geliştirmek ve sürdürmek.
  • Kafka ve CDC ile gerçek zamanlı veri akışları oluşturmak ve izlemek.
  • Veri kalitesi, yönetişim ve gözlemlenebilirliği sağlamak.
  • Sorunları kök nedenine inerek çözmek ve dayanıklı çözümler üretmek.
  • Veri platformunu kurmak, yapılandırmak ve bileşenlerini troubleshoot etmek.
  • Kendi iç ULM platformu için retrieval-augmented boru hatları ve doğal dil ile SQL çözümleri geliştirmek.

Skills

SQL
Python
Data modeling
Linux/CLI
Git & testing
Problem solving
Ownership

Tools

PostgreSQL
Airflow
Kafka
Debezium
LLM platform

Job description

iyzico

iyzico was founded in 2013 to provide online payment services and artificial intelligence-based payment technologies to businesses of various sizes in the world of e-commerce. By making the complex payment processes simple through its easy and secure platform, iyzico had achieved significant successes through supporting thousands of businesses in digitalization and was acquired by the global payment systems giant PayU in 2019. With such a robust structure, iyzico is operating on the principle of democratizing financial services and making them accessible for everyone alongside the services it provides to businesses.

Through iyzico Buyer Protection, consumers’ concerns regarding shopping online are resolved and better experiences are enabled. Control is handed back to the consumers by 24/7 live support through the iyzico mobile app and convenience in cancellation/returns processes. To this date, more than 2 million consumers shopped online under the security provided by iyzico Buyer Protection and this number is increasing daily. Via pay with iyzico, which is a blended payment solution, millions of consumers who do not use banking can safely shop online under the belt of iyzico Buyer Protection.

iyzico continues to simplify online shopping for both consumers and sellers by the simple, accessible, and innovative technologies it developed.

At iyzico, the Data Platform team builds the backbone behind analytics, reporting, and AI across one of Türkiye’s largest payment platforms. You’ll work on a large-scale distributed data warehouse and real-time CDC pipelines — at genuine scale, in a regulated environment. A growing part of this work is our governed, in-house LLM platform — used to turn natural language into trustworthy analytics, automate data workflows, and build data products that engineers and analysts can rely on. This is a role for engineers who want to own data problems end to end, from raw event to production.

What you’ll do
  • Build, operate, and own batch and streaming data pipelines end to end
  • Write and optimize SQL against a large-scale distributed PostgreSQL warehouse
  • Design and evolve data models and ETL/ELT processes
  • Develop and maintain orchestration with Apache Airflow
  • Build real-time data flows with Kafka and CDC
  • Own data quality, governance, and observability — the checks, monitoring, and alerting you actually trust
  • Investigate pipeline and data issues to root cause, and ship durable fixes
  • Help run the data platform itself: install, configure, and troubleshoot its components
  • Build on our in-house LLM platform: retrieval-augmented data pipelines, natural-language-to-SQL over the warehouse, and analytics automation — with correctness and governance built in
What we’re looking for
  • 2-3 years of experience
  • Strong SQL and query optimization
  • Solid grasp of relational databases and data modeling
  • Hands-on Python for data processing and automation
  • Working knowledge of ETL/ELT and pipeline design
  • Comfort in a Linux/CLI environment
  • Git, code review, and testing as part of your normal workflow
  • A problem-solver who can dig into unfamiliar systems independently
  • Ownership: you take a problem from investigation all the way to production
Nice to have
  • PostgreSQL / Citus at scale
  • Kafka, Debezium, or other streaming/CDC tooling
  • Airflow or another orchestrator
  • Data quality, monitoring, or observability tooling
  • Linux-based data platform administration
  • Experience with LLM/AI-based systems
  • Fintech or payments background
What We Offer
  • A culture of continuous development: conferences, in-house events & Tech Talks to stay up-to-date on current research and technology.P.S.:You do not need to wait to get on the stage and share your expertise with you teammates and the community
  • Online Training Platform (Free access to Udemy, Harvard ManageMentor, Get abstract, etc.),
  • Freedom under responsibility is our common mindset. That’s how we designed our flexible working model called,
  • iyzico Homequarters. Our homequarters is in Altunizade,
  • Meal & Internet Allowance,
  • Transportation Allowance,
  • A gift voucher to meet tech needs and ergonomic workspace at home,
  • Macbook (and monitor if needed),
  • Employee support program: free psychological counseling, legal advice, financial advice etc.
  • Private health insurance,
  • 1 day birth day leave,
  • An iyzicoMate is assigned to help you with anything you may need on your onboarding,
  • A detailed orientation program designed for you to fully grasp the iyzico culture.

Başvurunuzu göndererek, belgede ve eklerinde yer alan tüm bilgilerin, ayrıca hakkınızda diğer kaynaklardan elde edilecek bilgilerin (örneğin referans olarak gösterdiğiniz kişilerin vereceği bilgiler) iyzi Ödeme ve Elektronik Para Hizmetleri A.Ş. (kısaca “iyzico”) tarafından elde edilmesine, detaylı incelemeler yapılmasına, başvuruların sonuçlandırılması ve başvuru süreçlerinin iyileştirilmesi amaçlarıyla kullanılmasına, bu amaçlarla uyumlu makul bir süre boyunca saklanmasına ve iyzico çalışanları, danışmanları ve dış hizmet sağlayıcılarına aktarılmasına, ayrıca iş arayışınızla ilgilenebilecek diğer işverenlerin de aralarında bulunduğu 3. kişi ve kurumlarla paylaşılmasına rıza göstermektesiniz.

Yasal düzenlemelerde kişisel verileri işlenen ilgili kişilere sağlanan haklardan kişisel veri işleme süreçleri, veri işlemenin amaçları, verilerin aktarıldığı kişiler hakkında bilgi talep etme; verilerin düzeltilmesini, silinmesini ve yok edilmesini talep etme; kullanılan hakların üçüncü kişilere de bildirilmesini isteme; otomatik sistemlerle yapılan işlemeler sonucu ortaya çıkan olumsuz sonuçlara itiraz etme ve işleme sebebiyle uğranan zararların tazminini talep etme haklarısikayet@iyzico.comadresine e-posta gönderilerek, veya +90 216 599 01 00 numaralı telefonla iyzico’ya ulaşılarak kullanılabilir.

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