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Computer Engineering graduate with practical experience in full-stack web development, including a software development internship in Barcelona. Worked with React, Next.js, Node.js, Java, and Spring Boot on production web applications, with a growing focus on backend development. Built a semantic search pipeline using Python, PostgreSQL, Sentence Transformers, and vector search.…

Koray Kocaelli

Full Stack Developer, Front-End Developer, Back-End Developer, +4

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Computer Engineering graduate with practical experience in full-stack web development, including a software development internship in Barcelona. Worked with React, Next.js, Node.js, Java, and Spring Boot on production web applications, with a growing focus on backend development. Built a semantic search pipeline using Python, PostgreSQL, Sentence Transformers, and vector search.…

Available to hire

Computer Engineering graduate with practical experience in full-stack web development, including a software development internship in Barcelona. Worked with React, Next.js, Node.js, Java, and Spring Boot on production web applications, with a growing focus on backend development. Built a semantic search pipeline using Python, PostgreSQL, Sentence Transformers, and vector search.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Turkish

Fluent

German

Beginner

Spanish; Castilian

Beginner

Work Experience

Software Developer Internship at Placenet, The Internet of Places

October 1, 2025 - January 1, 2026

Improved production websites through UI/UX, SEO, content, and responsive updates across existing pages. Built 3 new pages and 3 new Flipcard components, and improved existing Flipcards with responsive behavior for desktop and mobile. Built a Payload CMS-based site architecture from scratch, enabling non-technical users to manage content via a structured admin interface.

IT Consultant Internship at The Adaptavist Group

July 1, 2024 - August 1, 2024

Completed hands-on projects in an Agile environment using Jira, Confluence, and Jira Service Management, simulating real client workflows and service management scenarios. Built Jira workflows and automations across cloud and local environments, configured and tested solutions, and presented results in English at the end of the internship.

Java Software Developer Intern at Kafein Technology Solutions

January 29, 2024 - February 28, 2025

This internship provided insights into full-stack web development, including database management, API design, and front-end implementation using Java, Spring Boot, and Vue.js.

Web Operations & Archive Support (Part-time) at Temple Radio

January 1, 2024 - Present

Manage a live online radio platform and its DJ/set archive. Publish new content, remove outdated entries, and keep site content current. Provide web support and troubleshooting, performing regular content and platform updates to maintain reliability and consistency.