Feature Engineer

Trendyol; Sarıyer; Hybrid; TRY 1,220,000 - 1,709,000; Full time

Job summary

A leading e-commerce platform in Turkey seeks a Feature Engineer to transform raw data into intelligent inputs for machine learning models. Responsibilities include designing backend services in Go, collaborating with product managers, and ensuring system performance. Ideal candidates will have 3+ years in backend development, strong Go knowledge, and experience with databases. This position offers a hybrid working model and opportunities for personal growth.

Benefits

Hybrid working model

Customisable FlexBenefits budget

Well-being support

Personalised training allowance

Qualifications

• 3+ years of experience in backend development, focusing on Go.
• Strong knowledge of Go programming language and associated paradigms.
• Experience with databases (SQL or NoSQL).

Responsibilities

• Design and implement robust and scalable backend services using Go.
• Collaborate with product managers to meet business requirements.
• Monitor system performance and improve backend efficiency.

Job description

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 Feature Engineer, you will act as the crucial link transforming raw data into intelligent inputs for machine learning models. You\'ll build the robust, scalable systems that unlock the potential of our Data Scientists, turning complex, messy data streams into the high-value, predictive feature sets that drive model success. You will play a key role in achieving optimal AI performance by providing the single source of feature truth—consistent, reliable, and production-ready features—that power our most critical models and business decisions.

Responsibilities

• Design and implement robust and scalable backend services using Go.
• 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 Golang development and introduce them to our processes.

Expected Qualifications

• 3+ years of experience in backend development, with a focus on Go.
• Strong knowledge of Go programming language, paradigms, constructs, and idioms.
• Familiarity with Go\'s code packaging and tooling.
• Experience with Go frameworks like Gorilla Mux, Go-Kit, or Gin.
• Strong understanding of system architecture, object-oriented design, and design patterns.
• Knowledge of common Goroutine and channel patterns.
• Proficient understanding of code versioning tools, such as Git.
• Experience with databases (SQL or NoSQL).
• Knowledge on high volume of data.

Nice-to-haves

• Knowledge of Docker and Kubernetes.
• Familiarity with CI/CD pipelines.
• Knowledge of Feature Stores.
• Experience on Flink DataStream framework.

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 Life at Trendyol and how we work.