Trendyol Group

Network Engineer (Fintech Services)

Posted One Month Ago

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2 Locations

Remote or Hybrid

Entry level

eCommerce

The Role

Deploy, configure, and manage network, firewall, and load balancer infrastructure for high-volume fintech transactions. Maintain highly available, secure, low-latency, PCI-DSS-compliant environments; optimize traffic and design redundant architectures. Respond to network and security incidents, perform root cause analysis, and harden infrastructure against emerging threats.

Summary Generated by Built In

ABOUT THE TEAM

We’re shaping the future of financial technology at Trendyol.

As Trendyol’s technology teams, we’re not only building for today we’re designing the financial experiences of tomorrow. From payment infrastructure and digital wallets to smart credit systems and personalized financial services, we create solutions that empower millions of users across our ecosystem.

With Trendyol Pay, we enable fast, secure, and seamless payment journeys. Through Trendyol Finance, we develop inclusive and accessible products that simplify financial decisions.

We are united by a shared purpose:To create a positive impact in our ecosystem by enabling commerce through technology

About the Role

As a Network Engineer at Trendyol, you will be responsible for strengthening our dynamic fintech infrastructure and ensuring our network and security architecture operates with maximum uptime, robust security, and high performance:

Responsible for the deployment, configuration, and end-to-end management of the company's network, firewall, and load balancer infrastructure.
Maintain a 7/24 high-availability, low-latency, and highly secure environment (PCI-DSS compliant) capable of handling high-volume financial transactions.
Optimize application traffic using load balancing configurations and design redundant, high-availability (HA) architectures.
Rapidly respond to network issues and security incidents, perform root cause analyses (RCA), and proactively harden the infrastructure against emerging threats.

Qualities We Are Looking For

Deep theoretical and practical foundation in switching, routing, TCP/IP protocols, VPNs, VLANs, and dynamic routing protocols (BGP, OSPF, etc.)
Hands-on experience with enterprise-grade firewalls, rule management, NAT, IPS/IDS, and security policy design.
Experience in L4/L7 load balancing
Prior experience in fintech, banking, or managing high-traffic, mission-critical environments is a plus.
Proven ability to diagnose and resolve complex network and security issues efficiently.

What We Offer

A 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.

A customizable 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.

Comprehensive wellbeing support — Take advantage of our extended health package, which includes annual mini health screenings, access to location-based in-house doctors, psychologist and dietitian support, and HPV vaccination coverage.

Personalized 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 now and let’s take the next step together.

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.

Skills Required

Strong theoretical and practical knowledge of switching, routing, TCP/IP protocols, VPNs, VLANs, and dynamic routing protocols such as BGP and OSPF
Hands-on experience with enterprise-grade firewalls, firewall rule management, NAT, IPS/IDS, and security policy design
Experience with Layer 4 and Layer 7 load balancing
Ability to diagnose and resolve complex network and security issues
Experience in fintech, banking, or high-traffic, mission-critical environments

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The Company

HQ: İstanbul

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.