Klarna is a Swedish fintech company providing payment and banking services to consumers and businesses, including "buy now, pay later" and installment plans. It's one of the fastest-growing fintech companies in Europe, serving millions of customers worldwide.I am working on the application side to provide Klarna users with a smooth debt settlement process.

Cormind is a real-time manufacturing execution system that provides visibility into critical areas such as machine utilization, downtime, and OEE. It streamlines operations, improves capacity, and maximizes efficiency by identifying and eliminating bottlenecks.As part of my role, I worked on a major refactor of our codebase, implementing best practices and streamlining our processes. To do this, I created and implemented a GraphQL structure based on our existing REST API, rewriting class components and HOCs with functional components and hooks. I also removed redux in favor of GraphQL, improving the scalability and maintainability of our application.To ensure efficient development and deployment, I implemented a CI/CD pipeline with Gitlab CI and Docker Swarm. Additionally, I migrated our API services from callback hell to promise structure and typescript, improving code quality and readability.To improve our communication with ERP tools such as SAP and IFS, I created new services and integrated them with our existing systems. Overall, my contributions helped to enhance the performance, reliability, and functionality of our application, providing significant benefits to our users.

Oceanvoy is a low commission ship-brokerage platform used to help chartering and operating parties in the marine industry, find and fix a ship quickly and easily.I helped maintain and improve the SAAS application. My focus was on implementing features related to vessel operations, order matching, and freight rate analysis, helping clients make informed decisions and optimize their operations.

Creosafe is a RegTech Delaware startup that enables conversion of existing illiquid securities into digital securities to provide liquidity on a secondary marketplace.I created and maintained the React-based web application that converts illiquid securities to digital assets for secondary market liquidity. I implemented scripts in both frontend and backend to communicate with Ethereum blockchain ERC20 contracts, using web3 library to sign transactions, check wallet balances and execute custom functions in smart contracts.

Carla is a mobile app that connects travelers with rental cars on a global scale, offering a convenient and reliable solution for those seeking transportation while traveling.I built the website using React from the ground up. I helped improve the website's ranking by implementing server-side rendering and building an AMP web

VNGRS builds platforms, solutions and apps with their clients powered by customized agile approach, good engineering practices and reliable partners.I was an outsourced developer for the largest media corporation in Turkey, Doğuş Media Group, maintaining a javascript library that is responsible for ad operations of various websites.

Getir is a technology company that joins the worlds of mobile technology and logistics, providing unprecedented solutions to the delivery of goods in urban areas.I maintained a MEAN project that served as an internal dashboard for the operations of the company

I started as an intern and continued working with API developed in Symfony2, then contributed to reconstruction of the website in Angular.