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I'm a Full-Stack Software Engineer (Microservices, Backend, AWS, Web3, Mobile Apps) with experience in system architecture design, end-to-end product development, and founding early-stage start-ups. I have extensive experience designing, developing, and deploying scalable microservices, APIs, and mobile applications, along with hands-on expertise in AWS infrastructure and DevOps practices. I’ve also worked extensively on mobile apps, both with React Native/Expo and native, on various kinds of products (Social, Utility, Entertainment). I also bring deep experience in blockchain and DeFi, having worked with EVM-compatible networks, Stellar, and Solana to build decentralized applications and protocol integrations.…I'm a Full-Stack Software Engineer (Microservices, Backend, AWS, Web3, Mobile Apps) with experience in system architecture design, end-to-end product development, and founding early-stage start-ups. I have extensive experience designing, developing, and deploying scalable microservices, APIs, and mobile applications, along with hands-on expertise in AWS infrastructure and DevOps practices. I’ve also worked extensively on mobile apps, both with React Native/Expo and native, on various kinds of products (Social, Utility, Entertainment). I also bring deep experience in blockchain and DeFi, having worked with EVM-compatible networks, Stellar, and Solana to build decentralized applications and protocol integrations.

Ozan Yaldır

Full Stack Developer, Back-End Developer, Web Developer, +2

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I'm a Full-Stack Software Engineer (Microservices, Backend, AWS, Web3, Mobile Apps) with experience in system architecture design, end-to-end product development, and founding early-stage start-ups. I have extensive experience designing, developing, and deploying scalable microservices, APIs, and mobile applications, along with hands-on expertise in AWS infrastructure and DevOps practices. I’ve also worked extensively on mobile apps, both with React Native/Expo and native, on various kinds of products (Social, Utility, Entertainment). I also bring deep experience in blockchain and DeFi, having worked with EVM-compatible networks, Stellar, and Solana to build decentralized applications and protocol integrations.…I'm a Full-Stack Software Engineer (Microservices, Backend, AWS, Web3, Mobile Apps) with experience in system architecture design, end-to-end product development, and founding early-stage start-ups. I have extensive experience designing, developing, and deploying scalable microservices, APIs, and mobile applications, along with hands-on expertise in AWS infrastructure and DevOps practices. I’ve also worked extensively on mobile apps, both with React Native/Expo and native, on various kinds of products (Social, Utility, Entertainment). I also bring deep experience in blockchain and DeFi, having worked with EVM-compatible networks, Stellar, and Solana to build decentralized applications and protocol integrations.

Available to hire

I’m a Full-Stack Software Engineer (Microservices, Backend, AWS, Web3, Mobile Apps) with experience in system architecture design, end-to-end product development, and founding early-stage start-ups.

I have extensive experience designing, developing, and deploying scalable microservices, APIs, and mobile applications, along with hands-on expertise in AWS infrastructure and DevOps practices.

I’ve also worked extensively on mobile apps, both with React Native/Expo and native, on various kinds of products (Social, Utility, Entertainment).

I also bring deep experience in blockchain and DeFi, having worked with EVM-compatible networks, Stellar, and Solana to build decentralized applications and protocol integrations.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Turkish

Fluent

English

Advanced

Work Experience

Software Engineer at ARF Financial GmbH

January 1, 2025 - January 1, 2025

Built the mobile application for iOS and Android using React Native (Expo), implemented backend services with NestJS, and designed the cloud infrastructure on AWS. This included running backend services on EC2, using RDS MySQL as the primary database, storing user assets on S3, distributing media through CloudFront, and managing logs and metrics with CloudWatch. I also used AWS Lambda for background workers and asynchronous tasks, AWS Secrets Manager for securely handling credentials and environment configuration, and Amazon ElastiCache (Redis) to enable horizontal scaling for real-time messaging and Socket.IO communication across multiple EC2 instances. Managed all technical, design, and operational aspects independently, continuously iterating and optimizing the product based on user feedback and analytics.

iOS Developer (Freelance) at Sinemia

July 1, 2019 - July 1, 2019

Rebuilt the iOS app from Ionic to a fully native Swift implementation, added social features and real-time messaging, and prepared updates for the App Store. Implemented real-time messaging (Socket.IO) and laid groundwork for future features; collaborated with backend and QA teams to ensure a stable, polished user experience.

Freelancer Software Engineer | iOS, Android at Faladdin

June 1, 2018 - January 1, 2019

I developed social features for both Android and iOS apps. My role was building social features, where I used Socket.io for implementing real-time messaging. I used Swift for iOS and Kotlin for Android to build and integrate these features, ensuring seamless communication and a polished, intuitive experience across both platforms.

iOS App Developer at Mangis Information Systems

November 1, 2016 - November 1, 2016

Developed and maintained iOS applications for a range of client projects, focusing on robust UI and performance. Worked with Objective-C and Swift, participated in code reviews and collaboration with cross-functional teams.

Contract Software Engineer | Backend, AWS, iOS, Android at Indigo Dating App

January 1, 2025 - November 1, 2025