Summary
Senior full-stack engineer delivering SEO-first SSR/SSG web apps, high-traffic RESTful APIs, and mobile apps with TypeScript, Next.js, React Native, Expo EAS, Strapi, Firebase, and Go. Delivered 1.4M+ visits, 3.0M pageviews, 2.0M requests/month (p95 latency 96ms), and 280K+ TRY GMV. Core Web Vitals green; INP under 200ms on key templates.
Experience
Ablefy.io GmbHDec 2025 – Present
Full Stack Developer · Berlin, Germany
- Core engineer on a multi-tenant community SaaS: 250+ commits, 110K+ LOC in 7 months (Next.js App Router, React 19, tRPC, Prisma/PostgreSQL, Clerk, Inngest)
- Built community platform core to Open Beta launch: rooms, posts, membership lifecycle (invites, approvals, roles, archive/removal), pinning, permissions, moderation, full en/de i18n
- Live commerce: webinars + live shopping with realtime product overlays, drag-and-drop layer editor, in-stream checkout, viewer presence
- Realtime messaging: shipped direct messaging end-to-end; live session chat with scoped Ably tokens, server-side publish, persisted history, host moderation modes
- AI authoring: selection-based AI edits, AI review popover, prompt assist, AI-seeded community onboarding
- Notifications and email: in-app deep links, locale-aware (en/de) transactional emails, weekly digest engine (per-community cron fan-out, ranking queries, branded templates, opt-out preferences)
- Identity: cross-platform SSO bridge to parent commerce platform (Clerk), user sync and external-ID backfill
- Hardening: closed cross-tenant authorization gaps, cleared 74/76 Dependabot alerts (all 32 highs); SEO foundation (robots.txt fix, sitemaps, canonical URLs, OG images)
- Quality/DevEx: Playwright E2E stabilization, Sentry-to-Jira ticket automation, staging CI, Dockerized local setup; Next.js 16, React 19, rich-text editor major upgrades
Cosmopolitan TurkeyAug 2024 – Aug 2025
Chief Technology Officer (Hands-on Senior Full-Stack & DevOps)
- Sole engineer: 1.4M visits, 3.0M pageviews in 12 months (zero marketing budget)
- SEO: JSON-LD, AI metadata (gpt-4o-mini/Strapi), 1.01M clicks, 15.9M impressions
- Architecture: Next.js SSR (Vercel/Coolify), custom Strapi CMS, block-based page builder
- Performance: Caching/revalidation, SSR TTFB 100ms/p95 500ms, zero downtime, CWV green
- Cosmo Quiz API: 1.3M solves/5 months, 10M+ events, 2.0M requests/month, Bun/Hono/TypeScript/Drizzle/SQLite, 48ms/p95 96ms, 99.9% uptime
- Search: Meilisearch AI semantic "Similar Documents" (20 per page)
- Subscribe: SSR gating, iyzico router (20+ endpoints), magazine pipeline, Shopify, 170 subscriptions
- Shop: Shopify SSR, webhook revalidation, 1,305 orders, 280K TRY revenue
- Auth/Admin: cross-domain SSO (NextAuth), React/Vite/TanStack admin with RBAC/analytics
- CI/CD: GitHub Actions, E2E tests, observability/alerting
Aposto!Sep 2021 – Apr 2025
Mobile, Web, Full-Stack Engineer · Istanbul, Turkey
- Aposto! mobile app (50+ screens): offline podcast, read list, Turkish/English, dark/light modes, TestFlight/Play Console
- 100K+ downloads, 3.05M App Store impressions, Apple featured (2022), Top 3 Turkey (Media)
- aposto.com (Next.js 12/Redux): inbox, reading, authors, authentication, follow/unfollow, share
- About/Newsletters subdomains (Next.js 13 App Router), Lighthouse 98
- Premium subscriptions (Stripe): paywall, card management, shared TypeScript KV library
- Premium Stories: Go (chi)/SQLite, Cloudflare-cached, 100K requests/month
- Admin modernization: CRA/React 16 → Bun/Vite/React Router, TTS editor (ElevenLabs)
- Quality: crash monitoring, E2E paywall tests
- Impact: 100K+ monthly visitors, 1.5M+ users, 100K+ USD revenue, ~10 team
Sober DigitalMar 2024 – Feb 2025
Lead Full-Stack Engineer · Istanbul, Turkey
- Shop, editorial site and festival app for a biannual print magazine; 50K+ users, 600K+ TRY GMV
- Next.js 14 SSR e-commerce (Firebase Functions/Firestore, 20+ endpoints, iyzico), custom admin (merch/categories/coupons)
- Festival inventory: QR-coded SKUs, isolated stock pools
- Strapi CMS (self-hosted): issue > sections > content modeling, unified web/mobile
- Expo app: Feed, Events (iyzico ticketing, QR check-in), Explore (mini-games, Spotify), Shop, Perks
- Auth/Growth: NextAuth (web), soft login/registration walls
- Media/Performance: Bunny CDN, video carousel, GIF galleries
- Ops: Vercel, VPS Strapi, Firebase backend, ~50 USD/month
- Observability: Firestore/Functions dashboards/alerting
- "Sober People" SEO catalog (50+ profiles)
UrWordAug 2022 – Dec 2023
CTO · New York, USA
- Sole developer (NYC integrity/trust platform): backend, database, mobile app, admin site
- 180+ TestFlight builds; Firestore (10K+ documents, security rules)
- Firebase Functions: 12 RESTful endpoints, 150 services (pacts, connections, data sharing, notifications, moderation, analytics)
- Expo/React Native/TypeScript/Redux app (50+ screens, 1,000+ components), admin dashboard
Skills
- Frontend
- React, Next.js (App Router, SSR, SSG, ISR), TypeScript, TanStack Query, Redux, Zustand, CSS-in-JS, a11y, CWV
- Mobile
- React Native, Expo EAS, in-app purchases, deep links, push notifications (FCM), TestFlight, Play Console
- Backend
- Node.js, Bun, Go (chi), Hono, RESTful APIs, microservices, webhooks, Firebase Functions, Firestore, PostgreSQL, SQLite, Drizzle ORM
- Infrastructure
- Docker, Docker Compose, Vercel, VPS, Nginx, Coolify, GitHub Actions, CI/CD, CDN/caching, GCP
- CMS/Search
- Strapi (self-hosted), Meilisearch
- Auth/Security
- NextAuth, OAuth 2.0, JWT, SSO, RBAC, rate limiting, feature flags
- Commerce/Payments
- Shopify, Stripe, iyzico
- Media/Storage/CDN
- Bunny CDN, Cloudflare R2
- Analytics/SEO
- Google Analytics, Google Search Console, Plausible, JSON-LD, technical SEO
- Observability/Testing
- Sentry, Dozzle, Firebase Crashlytics, Google Cloud Monitoring/Logging, Jest, Vitest
Open Source
- 4-year GitHub contributor: 11K+ contributions (2022-2025)
- iyzico-subscription-ts: Modern TypeScript SDK for Iyzico Subscription API, cross-platform compatible (Node.js, Bun, Deno, browsers, serverless), zero dependencies, full TypeScript support
Awards
Solana Ideathon 2nd place; Solana Presentation 3rd place; Solana HyperDrive Global Hackathon invitee
Education
- Touro University, New York — M.S. Artificial Intelligence, started 2026
- MEF University, Istanbul — B.Sc. Computer Engineering, 2023IAESTE member; algorithm competition finalist
- UIST “St. Paul the Apostle”, Ohrid — 2021iOS “Code Tracker” app (GitHub auth, full grade)