Okan K.

Backend Developer

Okan is an experienced Backend developer specializing in Golang, with a proven track record in building efficient, scalable, and high-performance systems.

He has significant expertise in designing and developing systems from scratch, bringing a product-focused mindset that adds substantial value to any team.

His commitment to continuous improvement and problem-solving drives his success in every engagement. Okan's deep understanding of Golang enables him to create robust applications capable of handling complex processes effectively.

Main expertise

  • AWS SQS
    AWS SQS 2 years
  • Golang
    Golang 4 years
  • SQL
    SQL 3 years

Other skills

  • Kubernetes
    Kubernetes 3 years
  • Docker
    Docker 3 years
  • Ruby on Rails
    Ruby on Rails 2 years
Okan

Okan K.

Turkey

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Selected experience

Employment

  • Software Engineer

    FairMoney - 2 years 10 months

    • Developed features and performance enhancements using Go and Ruby on Rails.
    • Led a complex project involving multiple stakeholders, including teams from risk, product, and other technical departments within the engineering group. Successfully delivered the project on time and within scope.
    • Transformed parts of the monolithic Ruby on Rails app into a Go microservice in an event-driven manner, enhancing its capability to handle high traffic independently.
    • Updated outdated codebases to meet modern development standards, improving overall functionality.
    • Collaborated with management, internal teams, and development partners regarding software application design and project progress.

    Technologies:

    • Technologies:
    • Ruby on Rails Ruby on Rails
    • DevOps DevOps
    • API

  • Backend Developer

    Hepsiburada - 4 months

    • Developed backend components using Go.
    • Re-architected the logging system to prevent identical errors from being re-logged in complex eCommerce projects.
    • Implemented automatically generating Swagger documentation for approximately 100-130 endpoints, significantly improving documentation efforts.

    Technologies:

    • Technologies:
    • DevOps DevOps
    • API

  • Software Engineer

    Gowit Techonology - 7 months

    • Developed backend components using Go and Python, utilizing Kafka for message queuing and PostgreSQL for the database.
    • Optimized and enhanced the CI/CD pipeline to support the development workflow.
    • Redesigned the architecture of the analytics service, adding proper caching, writing, and ingestion mechanisms, which reduced the average response time by nearly 40%.
    • Led the creation of architectural documentation for services, visualizing over 10 microservices architectures.

    Technologies:

    • Technologies:
    • DevOps DevOps
    • API
    • Machine Learning Machine Learning

  • Software Engineer

    AnalyticaHouse - 1 year 6 months

    • Created a Slack app integrating various online ad platforms (Google, Facebook, TikTok) and designed the application architecture, database tables, and UX design from scratch.
    • Implemented Jenkins for CI/CD.
    • Developed a streaming data pipeline for clickstream data in Google Cloud with a latency of 5 seconds, using Cube.js for querying and React.js for visualization.
    • Implemented Apache Airflow for batch jobs and deployed it on Compute Engine with Docker, creating and maintaining DAGs for various processes.
    • Automated the generation of product reports through web scraping of approximately 25 major e-commerce websites in Turkey, using Google Cloud VM with Crontab for automation.
    • Led version control efforts and employed GitHub and other open-source repositories for the organization.
    • Created various SQL scripts for querying and transporting BigQuery data.
    • Documented technical workflows and procedures in a private wiki to educate newly hired employees.

    Technologies:

    • Technologies:
    • API
    • Machine Learning Machine Learning

Education

  • BSc.Computer Engineering

    Karadeniz Technical University · 2015 - 2020

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