SULHADIN ÖNEY
Frontend Engineer
Istanbul,Turkey
Summary
Front End Development professional with strong background in React, Typescript, JavaScript, HTML, and CSS. Known for effective team collaboration and delivering high-quality results. Adept at adapting to changing project requirements while maintaining focus on usability and performance. Skilled in creating responsive and interactive web applications, ensuring optimal user experiences.
Overview
17
17
years of professional experience
Work History
Frontend Engineer
BiLira
Istanbul, Turkey
01.2022 - Current
- Led the development/be a part of BiLira Kripto's DeFi, Cryptocurrency market, mobile and various frontend applications, improving user interface and efficiency. Provided guidance and support to the development team.
- Created and maintained the architecture for several frontend applications.
- Delivered efficient and reliable clean code, contributing to team cohesion and skill enhancement.
- Improved team interactions and decision-making by clarifying technical information and facilitating better understanding among different departments.
- Encouraged a culture of professional growth, which positively impacted the quality of our software and the company's ability to adapt to new challenges.
- Created detailed technical documentation and provided support, improving team operations and problem-solving efficiency.
- Developed and maintained end-to-end (e2e) and unit tests, ensuring high software quality, reducing bugs, and streamlining release cycles.
- Followed SDLC best practices within Agile environment to produce rapid iterations for clients.
- Collaborated with cross-functional teams to design, develop, and launch new features for web applications.
Frontend Engineer
BluTV (HBO Max)
Istanbul, Turkey
04.2021 - 01.2022
- Worked across Smart TV and Web platforms, improving UX and feature quality.
- Delivered bug fixes and user-centric enhancements for streaming applications.
- Maintained and improved technical documentation for long-term maintainability.
Frontend Engineer
Continuous Software
03.2019 - 04.2021
- Developed frontend features for Aangine, a strategic portfolio planning platform.
- Delivered core modules and reporting dashboards.
- Boosted performance by 50% via React modernization and memoization.
- Ensured cross-browser compatibility and implemented CI/CD for reliable deployments.
Full Stack Developer
aKare Bilişim
03.2018 - 03.2019
- Played a key role in the end-to-end web transformation of the aKare ISG desktop application, converting the full application and all reporting modules into a modern web platform.
- Contributed to improving accessibility and alignment with modern Occupational Health & Safety (OHS) standards in Turkey.
Full Stack Developer
Yapı Kredi Teknoloji
11.2013 - 12.2014
- Provided ongoing maintenance and support for the company’s Occupational Health & Safety internal tool
- Developed and implemented new features and enhancements to improve system functionality.
Full Stack Developer
aKare Bilişim
12.2010 - 11.2013
- Developed and maintained multiple web and desktop applications using JavaScript, C#, and ASP.NET.
- Supported internal tools and contributed to the infrastructure of aKare ISG, a government-approved OHS platform.
Jr. Full Stack Developer
A Bilgisayar&Hosting
11.2008 - 12.2010
Education
Bachelor of Science - Computer Science
12.2019
Associate of Science - Computer Programming
12.2012
Skills
Reactjs
Timeline
Frontend Engineer - BiLira
01.2022 - Current
Frontend Engineer - BluTV (HBO Max)
04.2021 - 01.2022
Frontend Engineer - Continuous Software
03.2019 - 04.2021
Full Stack Developer - aKare Bilişim
03.2018 - 03.2019
Full Stack Developer - Yapı Kredi Teknoloji
11.2013 - 12.2014
Full Stack Developer - aKare Bilişim
12.2010 - 11.2013
Jr. Full Stack Developer - A Bilgisayar&Hosting
11.2008 - 12.2010
Boğaziçi University - Bachelor of Science, Computer Science
Beykoz University - Associate of Science, Computer Programming