Trendyol logo



Remote, but you must be in the following location

  • 🇹🇷 Turkey

Security R&D Engineer

Ready to get to know us?

We were founded in 2010 with a dynamic and agile start-up spirit. Since then we have grown into a decacorn with a valuation of over $16.5 billion, backed by Alibaba, General Atlantic, Softbank, Princeville Capital, and several sovereign wealth funds. Operating with that same energy from the first day, we believe we will achieve our targets and grow even more together!

May the tech be with us.

From day one, we believed that technology is the driver; e-commerce is the outcome. Thanks to our dedicated team, we are now one of the top 5 e-commerce companies in EMEA and one of the fastest-growing e-commerce companies in the world! Now we’re a team in our thousands, currently delivering more than 1.5 million packages every day to 27 countries. We offer our 30 million customers a flawless shopping experience.

Can’t stop, won’t stop!

Dreaming big is in our DNA: Gearing up to be the leading global e-commerce platform. As a young and dynamic company, we are constantly growing with Trendyol Tech, one of the leading R&D centers; 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 finished yet!

A vision focused on positive impact.

Digitalizing traders and SMEs, helping businesses grow, aiming for more women’s participation in the economy; we constantly strive to have a sustainable and positive impact on our customers, business partners, and society.

All team members are equal.

We believe in the power of an inclusive workplace. Our platform is for everyone, and so is our workplace. Each and every one of us contributes to the vibrant culture of Trendyol. The more voices we have represented and amplified in our business, the more we all thrive, contribute, and shape the future together.

About the Team

If you are a techie, you belong in our Technology Team that builds scalable, high-performance platforms for our customers using up-to-date and efficient technologies.

We are all working with the same purpose: To create a positive impact in our ecosystem by enabling commerce through technology.

What will keep you super-motivated here?

* Opportunity to take responsibility from day one, develop your skills and satisfy your hunger for learning every day from a talented, international, and diverse team

* Open communication and unique company culture of flexibility and start-up spirit

* Enjoying agile practices to accelerate big and complex challenges to shape the future of e- commerce while encouraging mistakes to continuously grow and develop as a team

* Creative, diverse, and focused teams committed to learning and problem-solving through collaboration

* Learn and develop through our extensive Trendyol training platform

* Support from a global team of experts, mentoring, and professional development opportunities

* Strong focus on talent, not titles!

* Connecting with your teammates socially regardless of physical distances via events, team gatherings, and social activities

* Competitive employee benefits such as centrally and international located offices, and great tech equipment

* Good blend of flexibility and team bonding such as a hybrid working model and three months working from abroad approach


Your Main Responsibilities
  • You will be coding new products and improving existing platforms to improve the Trendyol Security infrastructure.You will be part of a research team that has a strong curiosity to follow advances in security.You will continuously improve yourself with your team members learning new technologies and acquiring new skills. You will participate in planning meetings, estimate tasks, do code reviews, and code in pairs

Qualities We Are Looking For
  • Research Mindset - passionate to develop cutting-edge cybersecurity software at scale

  • Experience in at least one of the languages such as Python, Go, JS

  • Experience building Restful backend services using popular frameworks such as Flask, DjangoREST, Go Echo

  • Experience in Relational / Non-Relational Database Management Systems such as Postgresql, ElasticSearch, Couchbase, etc.

  • Experience in Linux operating systems

  • Experience in automated deployment in Kubernetes environments

  • Technical knowledge of network security products is a big plus

  • Experience in messaging software such as Kafka, RabbitMq

  • Hands-on experience in ReactJs, Angular, VueJs, or similar frontend technologiesExperience in Continuous Delivery and building pipelines. Practical knowledge about OOP, Design Patterns, Clean Code, Craftsmanship culture, Refactoring, and Unit Testing is a big plus.

  • Being an Agile minded team player, and having good communication skills


Follow Trendyol on LinkedIn; Trendyol Tech on Youtube and Medium