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Coşkun Atak

@cokunatak

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FullStack Engineer at Wisersell LLC who developed its core order management system and integrated 30+ e-commerce APIs.

Turkey

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At Wisersell LLC, I developed the core order management system, connecting Node.js backends with React and Next.js dashboards.

I integrated more than 30 e-commerce APIs, including Amazon, Etsy, and GraphQL, using RabbitMQ for asynchronous events and reducing manual sync overhead by 40%.

At RexvenTeknoloji A.Ş., I built a price-tracking automation with concurrent TypeScript and Node.js scrapers and React dashboards for visualizing daily updates. I also worked on Elasticsearch data pipelines and Redis caching that cut database load by 60%.

On Sozluk, I built a collaborative web application with NestJS, Next.js, and PostgreSQL. For Mate'Morphosis, I developed game mechanics in C#/Unity and integrated Steamworks API for cloud saves and leaderboards.

Experience

Work history, roles, and key accomplishments

FullStack Developer

Wisersell LLC

Dec 2022 - May 2026 (3 years 5 months)

Spearheaded end-to-end development of the core order management system, bridging scalable Node.js backends with interactive React/Next.js dashboards. Orchestrated 30+ e-commerce API integrations and maintained 99.9% uptime with AWS, Docker, and Kubernetes.

NodeJS React Next.js Prisma Zustand React Query RabbitMQ AWS Docker Kubernetes Nginx Playwright

FullStack Developer

Rexven Teknoloji A.Ş.

Mar 2022 - Oct 2022 (7 months)

Owned the architecture of a price tracking automation, building concurrent TypeScript/Node.js scrapers and React.js dashboards. Designed full-stack data pipelines using Elasticsearch and implemented Redis caching to cut database load by 60%.