Engin Tanrıkulu

CTO @ bitaksi | Executive MBA

Istanbul, Türkiye

About

As the CTO of bitaksi, I lead a talented tech team, aligning technology strategies with business goals to drive growth and innovation. With expertise in managing high-transaction systems (350K RPM, 2M+ DAU) and transforming architectures, I focus on building scalable, efficient, and modern platforms. Leadership: Managing cross-functional teams and fostering a culture of collaboration and learning. Innovation: Implementing cutting-edge technologies to keep BiTaksi at the forefront of the market and maintain its leadership. Strategy: Defining roadmaps, optimizing resources, and driving OKRs to achieve company objectives. Expertise: Monolith to Microservices, DDD, CQRS, SQL & NoSQL, Aws, K8s, and CI/CD. I’ve contributed to impactful projects for leading companies like Delivery Hero, Yemeksepeti, Kariyer.net, and Turk Telekom, delivering scalable solutions and measurable results. Outside of tech, I enjoy CrossFit and kitesurfing.

Experience

  • bitaksi (3 yrs 4 mos)
    • Director of Research Development
      May 2026 - Present · 3 mos

    • Chief Technology Officer
      Apr 2023 - Present · 3 yrs 4 mos

  • Senior Software Engineering Manager at Delivery Hero Tech Hub
    Apr 2022 - Apr 2023 · 1 yr 1 mo

    Leading multiple teams and Engineering Managers in building customer-facing mobile/web applications and backend services across multiple countries. - Managing priorities, deadlines, and deliverables within autonomous teams while driving execution. - Defining and tracking OKRs, ensuring alignment with business goals. - Mentoring and coaching direct reports, developing growth plans to foster career progression. - Driving system design and architectural decisions in collaboration with tech leads and developers. - Engaging in product management to maximize stakeholder and customer value. - Building highly reliable, scalable, and high-concurrency systems for global operations. - Identifying and managing tech debt, defining SLIs and SLOs for improved system reliability. - Optimizing cost, performance, and resource usage for efficiency and scalability.

  • Yemeksepeti (8 yrs 3 mos)
    • Senior Software Engineering Manager
      Aug 2021 - Apr 2023 · 1 yr 9 mos

      - Leading a cross-functional Agile team with 20+ direct reports and managers, developing customer-facing mobile/web applications and backend services across multiple countries. - Managing priorities, deadlines, and deliverables within an autonomous team. - Driving system design and architectural decisions in collaboration with tech leads and developers. - Engaging in product management to maximize value for stakeholders and customers. - Building scalable, high-concurrency, and reliable systems operating globally. - Identifying and managing tech debt, defining SLIs and SLOs for improved system reliability. - Optimizing cost, performance, and resource usage for efficiency and scalability. - Implementing and tracking OKRs to measure and drive success.

    • Software Engineering Manager
      Feb 2020 - Aug 2021 · 1 yr 7 mos

      Led a team at Yemeksepeti in transforming team structure from separate teams to cross-functional teams, resulting in improved collaboration and efficiency. • Led a cross-functional Agile team with 10+ direct reports, including engineers and a manager. Designed and built a discount management system from scratch, enabling 100+ campaign types for end users. • Owned and managed critical domains: cart, campaign & discount management, pre-order, and post-order workflows. • Played a key role in migrating the monolithic architecture to microservices using Kubernetes (K8s) and Docker. • Led team structure transformation from separate teams to a cross-functional setup for improved collaboration and efficiency. • Experienced hiring manager, conducting interviews and building high-performing teams. • Hands-on experience with high-traffic systems handling 350K+ requests per minute (RPM). • Conducted 1:1 meetings to mentor and support team members.

    • Software Architect
      Sep 2018 - Feb 2020 · 1 yr 6 mos

      Leading multiple backend teams and overseeing system architecture and development. - Spearheading the monolith-to-microservices transformation using .NET Core, Redis, NoSQL/SQL databases, CQRS pattern, and CI/CD automation with Jenkins & GitHub, containerized via Docker & K8s (Rancher). - Designed and built the entire software architecture and infrastructure from scratch for Banabi (Q-commerce brand). - Established a comprehensive monitoring infrastructure with New Relic, Datadog, and Seq logging. - Leading the backend chapter, ensuring best practices, scalability, and high performance.

  • Ntvspor.net Technical Lead at Doğuş Yayın Grubu
    Sep 2013 - Feb 2015 · 1 yr 6 mos

    Led frontend/backend development for ntvspor.net and cnbce.com, optimizing speed and performance. • Detected technical requirements and managed application flows. • Collaborated with business teams to review requirements and assist with large-scale projects.

  • Software Developer at Innova
    Aug 2012 - Aug 2013 · 1 yr 1 mo

    In the PayFlex Loyalty team at Innova, I contributed to the development of loyalty solution projects for companies, service providers, institutions, and shopping malls, addressing various types of financial transactions. I was also involved in the development and implementation of the PayFlex Discount project, which aimed to help retain existing subscribers and attract new ones for Türk Telekom and Ttnet operators.