Sr. Full Stack Developer · Founder
Feb 2019 — Present
Didivor Teknoloji Sanayi ve Ticaret Ltd. Şti.
- Founded and lead an engineering team of 10 delivering custom software for fintech, defense and energy clients.
- Architected a multi-tenant platform serving 4.2B+ monthly events with 99.99% uptime SLOs.
- Owned the technical strategy: stack selection, hiring bar, code review culture and security posture (ISO 27001, KVKK, GDPR).
- Shipped 11 production systems in 24 months — including core banking, payment switch and trading terminals.
- Drove p99 latency down to < 80 ms across critical APIs through caching, async pipelines and query tuning.
- Established CI/CD on GitOps with policy-as-code, cutting deploy lead time from days to under 12 minutes.
Principal Software Engineer
May 2016 — Jan 2019
Enterprise Platform Engineering · Contract
- Led the rewrite of a convergent BSS billing core from a monolith to event-sourced microservices on Kafka.
- Migrated 38M telecom subscribers over 6 rolling waves with zero data loss and dual-stack reconciliation.
- Designed an EV charging orchestrator (OCPP 2.0.1) for 4,800+ stations, reducing peak grid load by 18%.
- Mentored 8 senior engineers; introduced trunk-based development, ADRs and platform SRE practices.
- Authored the internal architecture playbook adopted across 4 squads.
Senior Backend Engineer
2013 — 2016
Product Engineering · Full-time
- Built low-latency order-routing services in Go and C++ powering a regional capital-markets venue.
- Cut order-book replay time by 33× with a deterministic event-sourced redesign.
- Owned observability: SLOs, distributed tracing, structured logging — incident MTTR dropped 61%.
- Coached 3 engineers from mid to senior; ran the bi-weekly architecture review forum.
Full Stack Engineer
2011 — 2013
SaaS & Consultancy
- Delivered 20+ production web applications across e-commerce, logistics and healthtech verticals.
- Built reusable component libraries and design systems adopted by 6 client teams.
- Set up the first DevOps pipelines (Docker, K8s, Terraform) for clients moving off bare-metal hosting.