Okan Özeren

Experience

• 

  Rocktel Telecom

  Dec 2004 - Jun 2005

  Software Engineer

  • Information systems maintenance and customer support at the VOIP provider corporation.

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  SYS System Design & Integration Inc.

  Jun 2005 - Oct 2008

  Software Engineer

  • Designing, development, testing and installation of modular and fully integrated web and desktop applications as a member of a team.• A change request management web application developed using Java, Spring, Ajax, JQuery, PostgreSQL.• New data transfer protocols were developed between a web application and a natural gas volume corrector device.

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  SteelOrbis

  Oct 2008 - Jan 2010

  Software Engineer

  • Designed and developed user interfaces have been on a very large scale, unique e-marketplace and up-to-date market intelligence provider platform.

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  Turk Telekom

  Jan 2010 - May 2011

  Senior Software Developer

  • Developed back-end SOAP web services and front-end applications for a subscription management platform.

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  Telenity

  May 2011 - May 2022

  • Led the optimization of web components and back-end services for global telecom networks, ensuring high performance and scalability.• Applied strategic thinking and risk management to improve system reliability for major telecom operators.• Coordinated cross-functional teams, fostering clear communication and timely delivery of project milestones.• Resolved technical and operational conflicts efficiently, contributing to seamless project execution. • Led full-stack development of single-page web applications using Spring Boot and JavaScript (AngularJS).• Refactored legacy applications, reducing memory usage and improving performance for telecom clients. • Designed RESTful services for location-based tracking systems serving telecom operators in India (Airtel, Vodafone).• Delivered bug fixes and implemented mobile number portability solutions.

  • Senior Lead Engineer

    Dec 2020 - May 2022

  • Expert Software Developer, Web Development

    Jan 2016 - Dec 2020

  • Senior Software Engineer

    May 2011 - Jan 2016
• 

  Bridgestone Mobility Solutions

  May 2022 - Feb 2025

  Senior Software Engineer

  • As Component Owner of the Tirematics Referential Service, I defined its roadmap, aligning development with technical and business goals while ensuring scalability and reliability through cross-functional collaboration.• I migrated the legacy Tire Data Service from Oracle to a cloud-based PostgreSQL-compatible architecture, modernizing its infrastructure for seamless operation.• Contributed to Tire Telemetry Service, ingesting sensor data and forwarding to third-party services.• I implemented observability and monitoring tools for these services, ensuring reliable performance tracking and proactive issue resolution.• Enhanced features for Customer Support Application written in GWT, ensuring backward compatibility and stability.• Collaborated in an Agile environment with a global team to deliver critical features on schedule. Show less

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  Crobox

  Feb 2025 - now

  Backend Engineer