Mert (Syrins)
Full-stack developer. Idea to production—fast, secure, scalable web products. Istanbul (GMT+3) • Remote-friendly • Async workflow.
Build Timeline
Focus areas across public and private projects. Each includes verifiable work and open-source contributions.
Cors-Bridge Ecosystem
Public APIBuilder / Maintainer
Production-ready CORS proxy API with rate-limiting, abuse detection, and observability. Includes NPM package, CLI, and public playground. • Security guardrails: SSRF protection, rate-limit, origin validation • Monitoring: uptime tracking, log aggregation, metrics dashboard
Stock & Inventory System
Inventory / StockFull-Stack + Automation
A system that manages stock and inventory flows for B2B operations. Focused on product/card management, warehouse movements, counting, and reporting. • Core: stock entry/exit, transfer, counting, minimum stock alerts • Ops: role-based authorization (RBAC), audit log, quick search/filtering, CSV/Excel import/export
Muhasebe B2B
🔒 Private ERPFull-Stack + Automation
B2B sales, accounting integration, and operation automation (WhatsApp, OCR order processing, ZPL labels). • Automation: WhatsApp Business API, OCR-based orders, notification flows • Security: RBAC, audit trail, encrypted data handling
Selected Work
Public projects and verifiable deliverables. Backed by repo links and documentation.
Cors-Bridge
linkcors-bridge.comVisitProduction-ready CORS proxy. Security-first approach, rate limiting, and NPM ecosystem integration.
Stock & Inventory System
linksyrins.tech/work#inventoryVisitA system that manages stock and inventory flows for B2B operations. Focused on product/card management, warehouse movements, counting, and reporting. • Core: stock entry/exit, transfer, counting, minimum stock alerts • Ops: role-based authorization (RBAC), audit log, quick search/filtering, CSV/Excel import/export.
Tech Stack
Modern, battle-tested tools. Proven in production environments.
React / Next.js
Frontend framework • SSR/SSG • Performance-first
TypeScript / Vite
Type safety • Fast builds • Developer experience
Node.js / API
Backend runtime • RESTful design • Gateway patterns
PostgreSQL / Supabase
Relational DB • Real-time • Edge functions
Cloudflare / Edge
CDN • DDoS protection • Worker scripts
Docker / Linux
Containerization • Server management • Process orchestration
Testimonials
Feedback from startup founders and tech leads I've worked with.
Alex M.
Worked with Mert on Cors-Bridge integration. His focus on API security and rate-limiting helped us move to production fast and securely. The documentation was so clear that our team had zero issues integrating.
Sarah K.
Mert didn't just write code for our dashboard; he was proactive with suggestions at every step. His async workflow is fantastic, always clear and solution-oriented on Slack. We shipped way faster than expected.
James L.
He solved major bottlenecks in our e-commerce operations with automation. By automating manual tasks like order processing and invoicing, he saved us 10+ hours weekly. Great technical skills combined with business impact.
Elena R.
We brought him in for tech debt cleanup and performance optimization. Thanks to his clean architecture approach and focus on code quality, our codebase is much more manageable now. His security best practices knowledge was invaluable.