Trendyol Group

Software Engineer - Machine Learning Group

Reposted 11 Days Ago

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2 Locations

Hybrid

Mid level

eCommerce

The Role

Transform raw data into intelligent inputs for machine learning models, building robust services, and ensuring backend efficiency and data protection.

Summary Generated by Built In

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 Backend Engineer in the Machine Learning Group, you will build the systems that turn raw data into smart, reliable, and production-ready features used across our AI models and applications. You’ll design and develop scalable data and backend services that support model training, feature storage, and real-time inference. Working closely with Data Scientists and other engineers, you’ll ensure our models get high-quality, consistent inputs that improve performance and enable data-driven business decisions.

Responsibilities

Design and implement robust and scalable backend services using modern software stack.
Collaborate closely with product managers to ensure seamless integration and meet business requirements.
Write clean, maintainable, and efficient code.
Develop well-designed APIs to interface with frontend services, databases, and other third-party services.
Monitor system performance and identify bottlenecks, bugs, and ways to improve backend efficiency and speed.
Implement security and data protection best practices.
Conduct code reviews, ensuring high-quality code.
Stay updated with current best practices in software development and introduce them to our processes.

Expected Qualifications

3+ years of experience in backend development, with a focus on Go, Java, kotlin, .Net etc.
Strong knowledge of modern programming languages, paradigms, constructs, and idioms.
Strong understanding of system architecture, object-oriented design, and design patterns.
Knowledge of common concurrency and async communication patterns.
Experience with databases (SQL or NoSQL)
Experience with working on high volume of data.
Proficient understanding of code versioning tools, such as Git.
Knowledge and practical usage of CI/CD pipelines

Nice-to-haves
Knowledge of Docker and Kubernetes
Knowledge of Feature Stores
Experience on Flink DataStream framework
ML engineering practices including but not limited to model training, ML pipelines and inference services

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.

Top Skills

Ci/Cd

Docker

Flink Datastream

Gin

Go-Kit

Gorilla Mux

Kubernetes

NoSQL

SQL

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The Company

10,653 Employees

Year Founded: 2010

What We Do

We were founded in 2010 with a dynamic and agile start-up spirit. Since then, we have grown into a decacorn, backed by Alibaba, General Atlantic, Softbank, Princeville Capital, and several sovereign wealth funds. We believe that technology is the driver; e-commerce is the outcome. Thanks to our dedicated team, we are one of the top five e-commerce companies in EMEA and one of the fastest-growing e-commerce companies in the world! We deliver more than 1.5 million packages every day across 27 countries. We offer our 30 million customers a flawless shopping experience. Dreaming big is in our DNA: We're gearing up to be the leading global e-commerce platform. As a dynamic and passionate company, we are constantly growing with Trendyol Tech, one of the top R&D centres; Trendyol Express, the fastest growing delivery network; Dolap, the largest second-hand goods platform; and Trendyol Go, our instant food and grocery delivery service. And we’re not done yet! Now, we are on a journey to expand the positive impact we create to international markets. We opened our first international office in Berlin in May 2022 and Amsterdam followed in October 2022 and may others are on the way.