Ready to learn more about us?We were founded in 2010 with a dynamic and agile start-up spirit. The trust of around 30 million customers and 250,000 sellers has made us the first decacorn in Turkey. Our success is backed by renowned investors such as Alibaba, General Atlantic, Softbank, Princeville Capital and several sovereign wealth funds. In 2022, we opened our first dedicated international office in Berlin and expanded to Amsterdam, Luxembourg and London. And that's just the beginning!
Tech at the rootWe believe that technology is the driver and e-commerce is the outcome. Thanks to the dedication of our team, we have become one of the top 5 e-commerce companies in EMEA and one of the fastest growing worldwide. We currently deliver over 1.5 million parcels daily to 27 countries.
Growth is in our DNAAs a young and dynamic company, we are constantly growing and expanding. With Trendyol Tech, one of the leading R&D centres, Trendyol Express, the fastest growing delivery network, Dolap, the largest platform for second-hand goods, and Trendyol Go, our instant food and grocery delivery service, we are gearing up to become the world's leading e-commerce platform.
Focused on positive impactOur vision goes beyond business success. We strive to make a sustainable and positive impact on our customers, business partners, and society. By digitizing merchants and SMEs, helping businesses grow, and promoting women's economic empowerment, we are dedicated to creating a better future.
ABOUT THE TEAMIf 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.

YOUR MAIN RESPONSIBILITIES

• Data Science department in Trendyol consists of 90+ talented data scientists organized under several domains. Each domain is autonomous and empowered to experiment with new ideas while cross-collaboration is strongly encouraged with horizontal structures
• In our dynamic and agile team, composed of result oriented and ambitious data scientists, we are dedicated to refining our users' search experiences across multiple languages and countries. Our mission is to guide customers through our extensive catalog by providing personalized solutions tailored to their needs. We place a significant emphasis on tackling ranking problems, enhancing relevancy, and optimizing search components to ensure the utmost efficiency and user satisfaction. With a firm belief in the power of Minimum Viable Products (MVPs), we adopt a progressive approach, iterating continually to evolve and perfect our solutions. Joining our team means contributing to a culture of innovation, where every challenge is an opportunity to improve and every solution is a step towards excellence
• Develop scalable solutions that enhance the search experience across various countries, taking into account the unique characteristics and user preferences of each region
• Curate and sort search components to ensure the most relevant and useful information is presented to the user first
• Develop and refine personalized search solutions
• Prioritize the continuous improvement of ranking algorithms to ensure the highest quality search results
• Identify and mitigate various biases in search results, such as position bias, popularity bias, and the challenge of rare event prediction
• Implement fairness and diversity measures in search algorithms to promote a balanced user experience
• Engage in collaborative brainstorming sessions with team members to ideate on new features and solutions
• Analyze search performance data to identify trends, opportunities for improvement, and the impact of implemented changes
• Be a data champion in Trendyol who relentlessly advocates for decisions based on data and actions driven by algorithms
• Execute A/B experiments, reach conclusions statistically and build upon learnings continously

QUALITIES WE ARE LOOKING FOR

• 3-8 years of proven experience in a variety of machine learning modeling techniques—including classification, regression, learning to rank algorithms, clustering, and gradient boosting
• Possesses strong analytical skills to interpret complex data and derive actionable insights
• Actively engages in knowledge sharing and collaborative problem-solving
• Approaches challenges with a solution-oriented mindset, capable of troubleshooting issues and overcoming obstacles
• Adapts quickly to changes in project priorities and can pivot between tasks efficiently
• Comfortable working in a fast-paced environment and can manage multiple projects simultaneously
• Has practical experience in designing, implementing, and deploying machine learning models, with a deep understanding of algorithms, model validation, and tuning
• Possesses a solid foundation in deep learning techniques and architectures, such as neural networks, for advanced analysis and prediction tasks
• Previous involvement in projects focused on search optimization, ranking algorithms, or related fields is highly valued
• Proficiency in Python, R, and Spark required. SQL expertise is also essential

JOIN US AND* Take responsibility from day one and develop your skills with a talented and diverse international team.* Experience open communication, flexibility, and a start-up spirit in our unique culture.* Tackle big challenges in e-commerce with Agile practices and encourage growth by learning from mistakes.* Join creative and focused teams that prioritize collaboration and problem-solving.* Access our extensive training platform for continuous learning and personal growth.* Benefit from the support of a global team of experts with mentoring and professional development opportunities.* Focus on talent and potential, not just job titles.* Connect with teammates regardless of physical distance through events, meetings, and social activities.* Enjoy competitive benefits such as Trendyol shopping budget, central and international office locations, and top-of-the-line technical equipment.

We're looking forward to receiving your application!
We embrace a hybrid working model that seamlessly blends the best of both worlds—remote productivity and the collaborative energy of our vibrant offices. Every month, we gather at our offices once to work side by side, fostering in person communication and embracing the camaraderie that fuels our team spirit. These sessions are crucial for teamwork in solving complex issues, socializing, learning from each other, and experiencing our culture.
Each division has a pre-set optional office day each week. Based on our preferences, we come together at our offices at our discretion as an opportunity to feel more team spirit, immerse in our culture, and familiarize ourselves with our way of workings.
We offer the opportunity for a two-month full remote work program, allowing you to work from abroad, during the summer period (July to August).
This working model applies to our hybrid job postings; on-site roles require being based in an office work environment.

Discover more about our #LifeatTrendyol and our culture on our Website, LinkedIn and YouTube channels.
At Trendyol, we believe in the power of an inclusive workplace. We value diversity and believe that every team member contributes to our vibrant culture. Our platform is for everyone, and so is our workplace. We encourage the representation and amplification of diverse voices in our business, as it allows us all to thrive, contribute, and shape the future together.