Selim Gecin

Full Stack Developer
📍 Ankara, Turkey
📧 gecin18@gmail.com
📞 +90 545 744 58 56
🔗 LinkedIn | GitHub | GitLab

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🧑‍💻 Summary

I am a Full Stack Developer with 3 years of experience in front-end and back-end technologies.
I’ve worked on REST APIs, IoT systems, microservices, e-commerce platforms, and virtual POS integrations.
I focus on type safety, clean code, and scalable architectures.

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💼 Experience

🚀 Connect-ION Tech. — Full Stack Developer

Feb 2024 – Present | Ankara, Turkey

• Built Angular web apps managing 1,000+ IoT devices with MQTT.
• Led projects: Connect360, SecurWatt, ForestEye.
• Designed backend services for Raspberry Pi devices to handle real-time logs via MQTT.

💳 CZ London — Full Stack Developer

Oct 2022 – Feb 2024 | Ankara, Turkey

• Built scalable Node.js APIs and services.
• Experience with CI/CD, PRs, testing (unit, integration, E2E).
• Developed CloudFrame with AWS CDN support.
• Led CZ Pay, improving conversion and reducing payment times.

🧠 Arasta ITC — Full Stack Developer

Apr 2022 – Oct 2022 | Ankara, Turkey

• Worked with MongoDB, Node.js, React, Next.js, TailwindCSS.
• Developed features for e-commerce return & refund systems.
• Led internal Jira-like task tracking web app.

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🛠️ Skills

• Languages: TypeScript, JavaScript
• Frontend: React, Next.js, Angular
• Backend: Node.js, Express.js, Socket.io
• Databases: MongoDB, Redis
• DevOps: Docker, AWS, CI/CD
• Testing: Jest, Cypress, E2E, Unit Tests
• Practices: OOP, TDD, SOLID, Type Safety
• Tools: Git, GitHub, GitLab, Jira, Agile, Scrum
• Languages: Turkish (Native), English (B1)

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🔧 Projects

📍 Connect360 (Vehicle Tracking System)

Tracks logistics fleet data in real-time: fuel, video, and distance. Optimizes fleet management.

⚡ SecurWatt

Monitors amperage values in remote devices and protects against power surges. Managed via web app.

🌲 ForestEye

IoT-based system to monitor water levels in pools for forest fire response teams.

🌐 Global Sync

Manages domestic and international stock updates for shoes in warehouses and marketplaces.

🔁 ExpressFlow

A load-balanced API service manager that distributes traffic and improves response times.

💰 CZ Pay

3D secure virtual POS integration with Vakıfbank for seamless customer payments.

🛒 Product Management Services

Automates order cancellations and stock return processes across Trendyol, Allegro, Ozon, Joom, Fruugo, Etsy.

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Last updated: September 2024