Trendyol Group

Online marketplace connecting buyers with sellers

Data Engineer

Data EngineeringPosted on Nov 5

Full-timeİstanbul, TürkiyeNo salary listed

About the Job

Requirements

A bachelor's degree in Computer Science, Engineering, Management Information Systems, Mathematics, or a related field is required.
At least 2 years of experience as a Data Engineer, Data Developer, or in a similar data-focused role is required.
A solid understanding of distributed systems, parallel processing, and fault-tolerant architectures is required.
Strong software engineering skills in at least one of Python, Scala, or Java are required; Go is a plus.
Hands-on experience with ETL/ELT processes and big data processing frameworks such as Spark or Flink is required.
Advanced SQL skills and experience with structured and semi-structured data formats are required.
A strong understanding of data modeling concepts and analytical data structures is required.
Experience developing cloud-native data platforms and modern data architectures, including data lakes, data warehouses, and lakehouses, is required.
Experience with streaming technologies, Change Data Capture (CDC), and workflow orchestration is required.
Familiarity with AI/ML data infrastructure, LLM-based applications, retrieval-augmented generation architectures, and semantic grounding for AI agents is required.
Experience with Docker, Kubernetes, continuous integration and continuous delivery, and Infrastructure as Code is required.
Experience with automated testing, data quality validation, monitoring, and observability practices is required.
Clear written and verbal communication in English is required.

Responsibilities

Design, build, and maintain scalable batch and real-time data pipelines and processing systems.
Design, build, and evolve cloud-native data platforms that enable data ingestion, processing, analytics, and observability across the organization.
Build APIs and data services to expose processed data to downstream applications and teams.
Develop data models and warehousing solutions that support analytics, reporting, and downstream applications.
Collaborate with data scientists, analysts, product teams, and other engineering teams to deliver trusted data products.
Monitor, optimize, and maintain data pipelines and processing systems to ensure high performance, reliability, scalability, and cost efficiency.
Take end-to-end ownership of data services and pipelines, including deployment, monitoring, troubleshooting, and incident resolution.

Desired Qualifications

Experience with Go is a plus.

About the Team

At Trendyol Tech, our mission is to create a positive impact in our ecosystem by enabling commerce through technology.

We solve complex problems with data, creativity, and agility — always driven by real outcomes. With a culture built on learning, collaboration, and ownership, we grow together while building what’s next.

About the Role
As a Data Engineer, you will act as the bridge between raw data sources and actionable business intelligence. You will develop robust batch and real-time data pipelines, contribute to modern data architectures, and build data platforms. You will work closely with data scientists, analysts, product teams, and other engineering teams to build high-quality data products and platforms. You will take end-to-end ownership of your solutions, ensuring their reliability, scalability, performance, and cost efficiency.

Responsibilities

Design, build, and maintain scalable batch and real-time data pipelines and processing systems.
Design, build, and evolve cloud-native data platforms that enable data ingestion, processing, analytics, and observability across the organization.
Build APIs and data services to expose processed data to downstream applications and teams.
Develop data models and warehousing solutions that support analytics, reporting, and downstream applications.
Collaborate with data scientists, analysts, product teams, and other engineering teams to deliver trusted data products.
Monitor, optimize, and maintain data pipelines and processing systems to ensure high performance, reliability, scalability, and cost efficiency.
Take end-to-end ownership of data services and pipelines, including deployment, monitoring, troubleshooting, and incident resolution.

Expected Qualifications

Bachelor's degree in Computer Science, Engineering, MIS, Mathematics, or a related field.
2+ years of experience as a Data Engineer, Data Developer, or in a similar data-focused role.
Solid understanding of distributed systems, parallel processing, and fault-tolerant architectures.
Strong software engineering skills in at least one of Python, Scala, or Java (Go is a plus).
Hands-on experience with ETL/ELT processes and big data processing frameworks such as Spark or Flink.
Advanced SQL skills and experience with structured and semi-structured data formats.
Strong understanding of data modeling concepts and analytical data structures.
Experience in developing cloud-native data platforms and modern data architectures, including data lakes, data warehouses, and lakehouses.
Experience with streaming technologies, Change Data Capture (CDC), and workflow orchestration.
Familiarity with AI/ML data infrastructure, LLM-based applications, RAG architectures, and semantic grounding for AI agents.
Experience with Docker, Kubernetes, CI/CD, and Infrastructure as Code.
Experience with automated testing, data quality validation, monitoring, and observability practices.
Strong problem-solving skills and clear written and verbal communication in English.

What We Offer

- Hybrid working model with flexibility: a schedule that helps you find the right balance between flexibility and team bonding, including work-from-abroad opportunities and a summer working model.

- Customisable FlexBenefits budget: Adjust your daily meal allowance, choose your health insurance package (and extend it to your spouse or children), and pick from additional benefits like fuel support or Trendyol shopping credits.

- Well-being support: Access to location-based in-house doctors, as well as psychologist and dietitian support, and HPV vaccination provision.

- Personalised training allowance and learning opportunities: Use your annual budget for any training or conference of your choice, explore our Learning Management System (LMS) anytime, and join in-person learning sessions offered throughout the year.

- Responsibility from day one: Take full ownership from the start in a culture where every voice is heard and valued.

- A diverse, international team: Collaborate with global peers across our offices in Berlin, Amsterdam, Dubai, and beyond, in a startup-spirited and collaborative environment.

- Opportunities to grow with the best: Tackle meaningful challenges, develop through hands-on experience, and grow with the support of expert guidance and global mentoring.

- Meaningful connections beyond tasks: Be part of team rituals, events, and social activities that help us stay connected and inspired.

Take the Next Step

If this role excites you, apply today, we look forward to taking the next step with you.

Want to get to know the team better first? Explore our Career Website, LinkedIn, or YouTube to learn more about #LifeatTrendyol and how we work.

About the Company

Trendyol Group

Online marketplace connecting buyers with sellers

Trendyol is a large e-commerce marketplace in Turkey that connects buyers with a wide range of sellers, from global brands to local vendors, across fashion, electronics, home goods, and more. It makes money through seller commissions, a Trendyol Elite subscription program, and advertising on the platform. The company differentiates itself with a broad, diverse marketplace, strong logistics, an appealing Elite service, and promotional campaigns to drive sales and loyalty. Its goal is to be the leading online shopping platform in Turkey by helping consumers discover, buy, and receive products quickly and reliably while enabling sellers to grow their businesses.

Company size: 10,001+
Company stage: Growth Equity (Venture Capital)
Total funding: $1.5B
Headquarters: Istanbul, Türkiye
Founded: 2010

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