hello, i'm önder
software developer
i am a software developer specializing in designing, developing, and deploying scalable, high-performance systems across various domains including erp, crm, saas, fintech, multitenancy, fraud detection, wallet solutions, and card management.
my expertise spans backend architecture, real-time systems, and cloud-based infrastructure with a strong focus on security, performance optimization, and reliability.
core competencies
application types
- erp & crm systems
- saas platforms & multitenancy architectures
- fintech solutions (walletgate, fraud detection, virtual & physical card management)
- real-time and high-traffic systems
- distributed and fault-tolerant architectures
technologies & tools
languages & frameworks: node.js, javascript, php, laravel, nestjs, express, python, c, c++
databases: redis, postgresql, mysql, mongodb, sqlite,
infrastructure & messaging: kafka, docker, aws, nginx, linux
other skills: realtime communication, cloudflare, server setup from scratch
specialized knowledge
- realtime systems
- microservices architecture
- system security & fallback scenarios
- distributed systems
- high-traffic application scaling
- multitenancy system design
- fraud prevention mechanisms
additional technical interests
- electronics, arduino, raspberry pi, esp32, esp8266
- pcb design & microcontroller programming (pic, esp32)
- low-level programming
- embedded systems, iot