Lead Software Engineer with 10+ years of shipping enterprise, commerce, and platform products end to end. I set technical direction, lead teams through delivery, and turn legacy systems into software people enjoy using.
I'm a Lead Software Engineer in Istanbul with more than ten years of building products end to end, from the first architecture sketch to the release people depend on. I set technical direction, lead teams through delivery, and still write a good share of the code myself.
At Digiturk I lead the modernization of internal platforms: replacing legacy systems with modern web and mobile applications, building the services behind them, and raising the bar on security, testing, and release quality along the way.
Beyond my day job I lead product builds for clients and my own ventures, including B2B commerce and marketplaces, mobile apps, payment flows, and hosting infrastructure. I also publish open-source developer tools and keep a from-scratch language model project running on the side.
As a lead I care about clear architecture decisions, small and safe releases, and teams that own what they ship. I mentor engineers, review a lot of code, and use AI agents with real review gates rather than blind trust.
>Leading the modernization of the company's internal workflow and HR platform, replacing a legacy web-forms system with a modern web application, API, and a new workflow engine.
>Delivered the employee mobile app for iOS and Android, bringing approvals, leave, the people directory, company news, and surveys into one place.
>Built the push-notification platform that connects workflow events, admin tooling, and the mobile app, with targeting, scheduling, and delivery tracking.
>Drove security hardening and performance testing across legacy and modern systems, and introduced tooling that scaffolds new workflow modules.
>Building an on-premises AI assistant that helps employees find answers in internal documents.
>Mentor engineers across the team and led the move from TFS to Git-based workflows.
>Yazılımcı Bul — Led development of Turkey's developer marketplace, where clients post projects and receive offers from freelance developers and agencies, with matching, messaging, payments, and an admin panel for escrow and disputes.
>Kapsül Mobilya — Built a furniture store where customers design modular furniture in a real-time 3D configurator and order it with online payment.
>E-Export City — Built a digital export marketplace where companies and brokers list products, post requests, and trade, with tiered memberships and admin moderation.
>Eşlik Et — Built a social events app where people create and join activities together, with real-time chat, an admin panel, and over-the-air updates.
>Taşırım Kurye — Built an on-demand courier service with customer and driver apps, web booking, and live shipment tracking.
>And more — Delivered further web and mobile products for clients, from an AI workspace for trade teams to service-business websites.
Modernization of a large internal workflow and HR platform: a legacy web-forms system replaced by a modern web application, API, and a new workflow engine, rolled out without stopping day-to-day operations.
An iOS and Android app for employees that brings workflow approvals, leave, the people directory, company news, and surveys into one place, with native push notifications and single sign-on.
A multi-surface B2B marketplace and supply-chain platform spanning a Next.js storefront, React admin console, Expo mobile app, and .NET 10 API. Supports catalog and vendor operations, carts and checkout, 3-D Secure and bank-transfer payment flows, order fulfilment, returns, reporting, and made-to-order workflows.
A mobile-first social travel platform for discovering and publishing trips, planning itineraries, exploring maps, and coordinating group travel through collaborators, polls, and expense splitting. Its current foundation spans an Expo mobile app, a server-rendered web surface, and a Fastify/PostgreSQL/PostGIS API with explicit offline conflict handling.
An AI-supported exam-preparation platform for YKS and LGS students, combining Merota and specialist coaches with personalized study plans, structured lessons, practice sessions, mistake review, insights, mock exams, and persistent chat across web, iOS, and Android.
A dark-first consumer app for how bodies move — fitness, bodybuilding, pilates, mobility, and sports. Phase 1 is a sourced movement catalog with licensed demonstration media, consistent tags, and step-by-step guidance; later releases add reviewed, safety-gated AI plans.
A privacy-first Expo app that combines cycle, movement, water, meals, and Quiet Time tools with optional health connections. Works fully offline as a guest; accounts, encrypted cloud backup, and multi-device sync are opt-in. Not a diagnostic or treatment system.
Hosting, domain, server, and customer-management platform supporting commercial operations — comparable in scope to WHMCS. Runs on a high-availability stack achieving 99.9% uptime using HAProxy, Patroni, PgBouncer, etcd, keepalived, and Bind9.
A business email service built around a responsive web interface and managed hosting infrastructure. Tailored software and server operations support everyday communication needs for organizations.
A corporate website for an asset-management company, combining responsive interface development with Python and FastAPI backend services. The project also covers the server infrastructure supporting its web presence.
A personal-care e-commerce platform developed with Makdos, covering a responsive storefront and the application and server infrastructure behind it. React and Next.js power the web experience, with Tailwind CSS for the interface and Python supporting backend development.
An auditable, from-scratch PyTorch LLM stack covering the tokenizer, decoder-only Transformer, pretraining and alignment, evaluation, RAG and tools, OpenAI-compatible serving, and safetensors export.
Two focused .NET packages: a CQRS-style in-process mediator and an object mapper with profiles, resolvers, converters, and query projection. Source generation and safety-first defaults keep the runtime surface small.
An open-source full-stack development platform that unites microservices and microfrontends under a single CLI. Ships Docker-aware service scaffolds, Kubernetes/Helm/GitOps manifest generation, Kafka/Redis Streams async transport scaffolds, and Elasticsearch/ELK observability templates across .NET, Java, Rust, Python, and Node.js generators.
An open-source CLI that runs multiple AI reviewers in parallel, then applies deterministic PASS, WARN, or FAIL merge gates. Provider output and verdict artifacts stay inspectable.
An open-source Linux distribution with a Turkish-language command layer — making the terminal accessible to Turkish-speaking users through native-language commands on top of a familiar Linux base.
Local-first coding-time and AI-activity observability across a VS Code extension, desktop app, CLI, loopback daemon, and MCP server. Data stays in a local SQLite store with no cloud account required.
A local-first Rust terminal coding agent with tool use, MCP integration, LSP and debugger hooks, plus Quorate review gates. It keeps orchestration and evidence close to the developer's terminal.
A developer platform built around one capability-security model. Karst is the systems language at the center — region-first memory and inferred ownership with Rust-class safety, without lifetime annotations — plus a bootstrap compiler with query frontend, MIR, interpreter, and Cranelift JIT.
An events companion mobile app connecting people to attend events together. Expo React Native app (iOS & Android) backed by an Express + TypeScript API with MongoDB and Socket.io real-time messaging, a React/Vite admin panel, and a self-hosted Expo Updates server for OTA delivery. Features Google/Apple sign-in, maps and location, in-app purchases, and push notifications.
An interactive e-commerce platform for custom furniture with a real-time 3D configurator powered by Babylon.js. Customers can visually customize products before purchase with integrated payment processing via iyzico.
A digital export portal enabling Turkish businesses to reach global markets. Features catalog management, inquiry workflows, tiered memberships, and admin tooling for cross-border sales enablement; Redis backs Socket.io notification counters so real-time messaging and unread counts stay fast as traffic grows.
A bilingual (Turkish/English) public leaderboard where makers buy placement for AI agents, tools, and software products. Rank is set only by confirmed payments, recorded in an append-only rank-credit ledger and projected into all-time, last-24-hours, and category boards by pg-boss workers, with PayTR checkout integration and a passkey-protected operations panel.
A custom WordPress rebuild for a Turkish influencer marketplace. Implements a mobile-first influencer directory and profiles, brand campaigns, account and profile claims, moderated brand–creator messaging, and follower synchronisation through a PHP domain plugin, bespoke theme, and signed crawler worker.
A 24/7 courier & logistics platform for motorcycle and vehicle couriers serving individual and corporate customers. Features shipment creation, real-time package tracking, ETA calculations, and tiered corporate pricing — optimized for intra-city deliveries in Istanbul.
Verify it in DevTools: boot a cartridge, open Network, and watch the work stay on-device.
Follow your curiosity.
Hands-on rooms about the systems I build, the tools I trust and the universe I can't stop looking up at. Everything runs in your browser, and every model shows its assumptions.
Open now
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Systems
How software behaves under load, failure and change.
