Abdullah Kaamil

01. About

02. Experience

1. Software Technical Lead

   Ozan Financial Services · İstanbul 01/2025 – 12/2025
   • Led 3 cross-functional squads (9 developers) across Payment Processing, User Onboarding & Open Banking, ensuring on-time delivery across all three workstreams.
   • Partnered with the CTO & Managing Director on technical roadmaps and capacity planning, improving delivery predictability and de-risking timelines.
   • Instituted rigorous code review (PSR-12, static analysis) & mentoring, reducing production bugs by 35% and improving maintainability.
   • Architected PCI-DSS compliant PHP (Laravel/Drupal) solutions for POS & payment services, maintaining compliance and backward compatibility for existing clients.

2. Senior PHP Software Developer

   Ozan Financial Services · İstanbul 10/2021 – 12/2024
   • Refactored legacy Drupal 7 & Laravel queries, delivering a 95% throughput increase at peak traffic and securing SLA compliance for the largest enterprise client.
   • Led end-to-end encryption & OAuth2 authentication, achieving PCI-DSS compliance and securing sensitive financial data across all integration points.
   • Built a unified middleware connecting Core Banking, PSP & ERP via SOAP/REST, automating 500+ business processes and eliminating manual data entry.
   • Deployed AWS infrastructure (RDS, API Gateway, S3, Route 53), improving system uptime to 99.9% and raising transaction success rates by 80%.

3. Full Stack Engineer

   Fincore Financial Services · İstanbul 03/2021 – 10/2021
   • Engineered core microservices with Laravel & Lumen, cutting API response time by 30% while scaling for a 40% surge in concurrent users.
   • Led an Open Banking platform (Laravel, Angular, Bootstrap), cutting page load times by 40% and improving user retention.

4. Full Stack Engineer

   Markakod Software Services · İstanbul 05/2020 – 03/2021
   • Designed 5+ proprietary PHP modules, extending platform functionality by 20% and enabling rapid client-specific customization.
   • Delivered 11 client projects with UI/UX & QA teams, reducing production downtime by 30% through rigorous testing.

5. Full Stack Engineer

   Bilet.com · İstanbul 02/2018 – 05/2020
   • Re-architected the core ticketing platform (Laravel, Framework7), supporting 70,000+ monthly active users at 99.9% uptime during peak sales.
   • Ran CRO on front-end flows & checkout, increasing ticket sales by 50%.

03. Featured Projects

orthoptiek.nl Orthoptiek

◆ Live in production

Healthcare SaaS Platform ↗

Multi-tenant platform for healthcare professionals · orthoptiek.nl

Architected and shipped a multi-tenant SaaS for freelance healthcare professionals (starting with orthoptists): multi-location appointment scheduling, patient intake workflows, secure role-based access, and partner-clinic collaboration. Built on a scalable, modular Laravel architecture with tenant isolation and secure patient-data management.

• Laravel
• Inertia.js
• Vue.js
• MySQL
• Multi-tenant

payfull.com Payfull

◆ Acquired by Ozan

Payfull

Consolidated virtual-POS payment platform

Turkey-based payment solutions provider (founded 2015, later acquired by Ozan) giving businesses a single panel to manage online collections across multiple virtual POS providers. Multi-POS integration, recurring payment management, and a dealer collection system, built to PCI-DSS Level 1 and serving automotive, education & hospitality — targeting 10B TL transaction volume by end of 2025.

• PHP
• Drupal
• JavaScript
• AWS
• REST API
• PCI-DSS

komsumnet.com KomşumNet

◆ 2025 – Present

KomşumNet ↗

Social networking platform · komsumnet.com

Scalable social platform built from scratch with Laravel & Jetstream, featuring real-time chat (WebSockets), posts, likes & friendships, multichannel SMS/Email verification, plus Agora audio/video calls and Firebase push notifications.

• Laravel
• Jetstream
• WebSockets
• Agora SDK
• Firebase

selnotes.com Selnotes

◆ Live · Advisory

Selnotes ↗

Student notes marketplace · selnotes.com

A startup marketplace where students sell and buy study notes to earn from their work. I supported the founding team as a technical advisor — shaping the system architecture, providing engineering leadership, and mentoring the developers as they built and shipped the platform.

• Architecture
• Tech Leadership
• Mentorship
• Marketplace

banking-dashboard Open Banking

◆ 2023 – Present

Open Banking & ERP Platform

Multi-bank transactions dashboard

Open banking platform connecting 20+ Turkish banks via REST/SOAP, auto-fetching transactions every 15 minutes (−90% manual work). Unified analytics dashboard and Mikro/Nebim ERP integration saving finance teams 20+ hours weekly.

• Laravel
• REST
• SOAP
• ERP
• Analytics

construction-erp Construction

◆ 2023 – Present

Construction Management System

İstanbul-based construction company

Replaced manual Excel workflows with a centralized web platform (Laravel, Alpine.js, MySQL on Ubuntu), cutting data-entry time by 70%. Modules for daily reports, DOF, tenders, progress payments, materials tracking & HR across 5+ departments.

• Laravel
• Alpine.js
• MySQL
• Ubuntu

04. Skills & Tools