Description

Full-Stack Developer with 7+ years of experience building SaaS platforms, enterprise web applications, AI-powered tools, dashboards, automation systems, and operational software using React, Next.js, TypeScript, C#, and .NET. Experienced across the full product lifecycle including architecture, backend APIs, frontend development, database design, CI/CD, cloud deployment, and integrations. Recently focused on AI-assisted systems, workflow automation, assessment platforms, LMS systems, real-time applications, and scalable business tooling. I enjoy building clean, maintainable systems that solve real operational problems and can scale long term.

Industry field of expertise

Languages

English
Fluent
Bulgarian
Fluent

Workplace preferences

Remote only

Primarily works remotely

Freelance / Independent Projects
Full-Stack & AI Solutions Developer
January 2021 - Today (5 years and 7 months)
• Designed and developed custom SaaS platforms, dashboards, automation systems, and business applications for independent projects and clients.
• Built AI-powered tools using OpenAI APIs, workflow automation, and modern frontend/backend architectures.
• Developed full-stack applications using React, Next.js, TypeScript, ASP.NET Core, SQL Server, and REST APIs.
• Worked on assessment systems, LMS platforms, admin dashboards, booking systems, and operational business software.
• Handled full project lifecycle including architecture, backend APIs, frontend development, database design, deployment, and integrations.
Next.js React.js ASP.NET Core Typescript artificial intelligence
ETS PLC
Full-Stack Web Developer
September 2018 - Today (7 years and 11 months)
United Kingdom
ETS PLC is a UK-based software and research company specializing in survey platforms, assessment systems, data collection, and enterprise web applications. Worked as a Full-Stack Developer responsible for developing, maintaining, and modernizing large-scale internal and client-facing systems using .NET, React, SQL Server, and modern web technologies. Contributed to platform architecture, CI/CD, performance optimization, AI-powered internal tools, and full project lifecycle delivery within Agile teams.
ASP.NET MVC React.js ASP.NET Core Next.js artificial intelligence

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BSc Computing
London Metropolitan University
2018
BSc Computing

Tsetso Gatev

AI & Full-Stack Developer | React & .NET

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