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Hi, I’m Turhan Temizel, a highly motivated IT professional and software engineer with a Bachelor of Science in IT and a passion for building secure, user-friendly software. I thrive in collaborative environments, work well with stakeholders to define core functionality, and enjoy turning ideas into tangible demos and polished products. I’m pursuing security-focused certifications and have hands-on experience with iOS app development, web development, and data analysis. Outside of coding, I value continuous learning and clear communication. I’m eager to contribute to meaningful projects, expand my toolset, and grow as part of a dynamic team.…Hi, I’m Turhan Temizel, a highly motivated IT professional and software engineer with a Bachelor of Science in IT and a passion for building secure, user-friendly software. I thrive in collaborative environments, work well with stakeholders to define core functionality, and enjoy turning ideas into tangible demos and polished products. I’m pursuing security-focused certifications and have hands-on experience with iOS app development, web development, and data analysis. Outside of coding, I value continuous learning and clear communication. I’m eager to contribute to meaningful projects, expand my toolset, and grow as part of a dynamic team.

Turhan Temizel

Web Developer, Full Stack Developer, App Developer, +2

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Hi, I’m Turhan Temizel, a highly motivated IT professional and software engineer with a Bachelor of Science in IT and a passion for building secure, user-friendly software. I thrive in collaborative environments, work well with stakeholders to define core functionality, and enjoy turning ideas into tangible demos and polished products. I’m pursuing security-focused certifications and have hands-on experience with iOS app development, web development, and data analysis. Outside of coding, I value continuous learning and clear communication. I’m eager to contribute to meaningful projects, expand my toolset, and grow as part of a dynamic team.…Hi, I’m Turhan Temizel, a highly motivated IT professional and software engineer with a Bachelor of Science in IT and a passion for building secure, user-friendly software. I thrive in collaborative environments, work well with stakeholders to define core functionality, and enjoy turning ideas into tangible demos and polished products. I’m pursuing security-focused certifications and have hands-on experience with iOS app development, web development, and data analysis. Outside of coding, I value continuous learning and clear communication. I’m eager to contribute to meaningful projects, expand my toolset, and grow as part of a dynamic team.

Available to hire

Hi, I’m Turhan Temizel, a highly motivated IT professional and software engineer with a Bachelor of Science in IT and a passion for building secure, user-friendly software. I thrive in collaborative environments, work well with stakeholders to define core functionality, and enjoy turning ideas into tangible demos and polished products. I’m pursuing security-focused certifications and have hands-on experience with iOS app development, web development, and data analysis.

Outside of coding, I value continuous learning and clear communication. I’m eager to contribute to meaningful projects, expand my toolset, and grow as part of a dynamic team.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

iOS App Developer (Startup Contributor) at Coffee Sayer

December 1, 2024 - May 1, 2025

Remote role: Collaborated with stakeholders to define core functionality and user flow for a mobile iOS application. Created a full-featured mock-up using Figma to visualize UI/UX for investor presentations. Documented all interactive UI elements including buttons, navigation, and dynamic results across the app. Provided technical assistance and troubleshooting support to stakeholders, including building a basic landing page using HTML, CSS, and JavaScript, and assisting with operational tasks related to web technologies and tools.

Volunteer Web Developer at Freelance Web Site Project

July 1, 2024 - December 1, 2024

Remote: Designed and developed a responsive website using HTML5, CSS3, JavaScript, PHP, and React.js, delivering a modern and secure user experience. Conducted comprehensive security reviews using tools such as OWASP ZAP, Nmap, Burp Suite, Dependency-Check, and OpenVAS to identify vulnerabilities and enforce secure coding practices. Enhanced code quality by integrating ESLint, PHP_CodeSniffer, Stylelint, HTMLHint, and SemGrep, ensuring adherence to industry best practices. Created reports detailing security issues and implemented fixes such as closing unused ports and disallowing directory browsing. Implemented SEO enhancements with metadata optimization. Regularly collaborated with clients to gather requirements, provide progress updates, and ensure satisfaction with delivered solutions. Conducted client training sessions on system features and web security best practices.

IT Intern at Kinetica

June 1, 2023 - June 1, 2024

Supported data analysis tasks using proprietary Kinetica tools. Utilized ETL functions and SQL queries, including PostgreSQL on Kinetica’s SaaS platform, to manipulate and analyze data. Gained proficiency in creating graphical representations of data and presenting insights. Gathered and analyzed customer requirements to provide tailored data solutions. Developed a web portal using HTML, CSS, JavaScript, and PHP.

Database Specialist at Arma

June 1, 2020 - May 1, 2022

Developed RESTful APIs using Java and MongoDB to enable efficient data retrieval and integration for internal applications, improving system scalability and performance. Built a Java program to streamline data entry from Excel sheets into SQL databases. Developed and executed SQL queries for data manipulation and integrity verification. Implemented advanced indexing techniques to optimize query performance. Gathered business and design requirements to handle database operations. Performed routine maintenance tasks such as backups and updates to ensure data integrity. Participated in meetings to gather and assess database requirements and utilized database normalization techniques to improve data integrity and reduce redundancy.