Senior Full Stack Engineer with 9+ years of experience building scalable, high-performance applications across SaaS, fintech, e-commerce, and AI-driven platforms. Proficient across the full stack, with strong expertise in modern frontend technologies like Next.js, React, TypeScript, and Tailwind CSS, combined with robust backend development using Node.js, Java, Python, PHP, and Golang, designing microservices and REST/GraphQL APIs. Experienced in cloud-native architectures on AWS, GCP, and Azure, with hands-on DevOps practices including Docker and CI/CD pipelines. I have a proven track record of owning end-to-end feature delivery, optimizing system performance, and enhancing user experience, while integrating AI capabilities such as LLMs and automation into production systems. Comfortable working in remote, async environments, I focus on writing clean, scalable code, conducting code reviews, and delivering reliable, user-centric products.

Adrian Gortopan

Senior Full Stack Engineer with 9+ years of experience building scalable, high-performance applications across SaaS, fintech, e-commerce, and AI-driven platforms. Proficient across the full stack, with strong expertise in modern frontend technologies like Next.js, React, TypeScript, and Tailwind CSS, combined with robust backend development using Node.js, Java, Python, PHP, and Golang, designing microservices and REST/GraphQL APIs. Experienced in cloud-native architectures on AWS, GCP, and Azure, with hands-on DevOps practices including Docker and CI/CD pipelines. I have a proven track record of owning end-to-end feature delivery, optimizing system performance, and enhancing user experience, while integrating AI capabilities such as LLMs and automation into production systems. Comfortable working in remote, async environments, I focus on writing clean, scalable code, conducting code reviews, and delivering reliable, user-centric products.

Available to hire

Senior Full Stack Engineer with 9+ years of experience building scalable, high-performance applications across SaaS, fintech, e-commerce, and AI-driven platforms. Proficient across the full stack, with strong expertise in modern frontend technologies like Next.js, React, TypeScript, and Tailwind CSS, combined with robust backend development using Node.js, Java, Python, PHP, and Golang, designing microservices and REST/GraphQL APIs. Experienced in cloud-native architectures on AWS, GCP, and Azure, with hands-on DevOps practices including Docker and CI/CD pipelines.

I have a proven track record of owning end-to-end feature delivery, optimizing system performance, and enhancing user experience, while integrating AI capabilities such as LLMs and automation into production systems. Comfortable working in remote, async environments, I focus on writing clean, scalable code, conducting code reviews, and delivering reliable, user-centric products.

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Work Experience

AI Full Stack Engineer at 20Robots
March 1, 2023 - Present
Designed and developed full-stack features using Next.js, TypeScript, and Tailwind CSS to improve UI responsiveness and user engagement in ecommerce SaaS platforms. Architected microservices-based backend with Node.js and AWS, enabling scalable, real-time processing. Integrated AI-powered features into frontend workflows to personalize user journeys and automate tasks. Led end-to-end feature ownership from design to deployment, reviewed code for frontend and backend, and mentored team members. Refactored legacy systems to scalable architectures, implemented structured debugging and testing processes, and collaborated asynchronously with cross-functional teams.
Senior Software Engineer at Retargeting - Bucharest
July 1, 2020 - April 30, 2023
Developed full-stack features using React, TypeScript, and Node.js to support large-scale marketing automation systems. Built and optimized event-driven dashboards processing millions of real-time user events. Improved UI responsiveness and frontend performance, and integrated backend services with third-party platforms (ads, CRM, email systems) into unified workflows. Participated in code reviews and validation, collaborated in distributed teams, and optimized system performance to reduce latency across frontend and backend. Ensured reliability through structured debugging and testing.
Software Engineer at Voypost
September 1, 2018 - June 30, 2020
Developed backend and frontend components for fintech and healthcare platforms, ensuring reliability and performance. Built secure APIs and integrations supporting sensitive financial and medical data. Implemented scalable architecture patterns and maintained high code quality through testing. Collaborated with cross-functional teams to deliver user-facing features, improved system stability, and reduced downtime through performance optimizations. Supported frontend integration and responsive behavior across applications.
Full Stack Developer at Digis
May 1, 2016 - August 31, 2018
Developed full-stack features using React, Node.js, and TypeScript, delivering marketplace platforms. Built responsive UI components and optimized frontend performance across devices. Implemented REST APIs, authentication systems, and payment integrations. Improved search, filtering, and user experience through frontend enhancements. Worked with backend systems and databases to support scalable applications.

Education

Bachelor of Computer Science at Kyoto University, Japan
April 1, 2012 - March 31, 2016

Qualifications

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Industry Experience

Software & Internet, Financial Services, Retail