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Hi there! I’m Boyan Koychev, a Bulgarian software engineer with a solid track record building scalable web apps and microservices. I enjoy turning complex problems into clean, maintainable solutions using React, Node/Express/Nest, and Go. Over the past 4+ years I’ve shipped features in international teams, focused on performance, security, and robust architecture. I thrive in fast-moving environments and love learning new technologies, especially in cybersecurity and cloud-native workflows.…Hi there! I’m Boyan Koychev, a Bulgarian software engineer with a solid track record building scalable web apps and microservices. I enjoy turning complex problems into clean, maintainable solutions using React, Node/Express/Nest, and Go. Over the past 4+ years I’ve shipped features in international teams, focused on performance, security, and robust architecture. I thrive in fast-moving environments and love learning new technologies, especially in cybersecurity and cloud-native workflows.

Boyan Koychev

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

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Hi there! I’m Boyan Koychev, a Bulgarian software engineer with a solid track record building scalable web apps and microservices. I enjoy turning complex problems into clean, maintainable solutions using React, Node/Express/Nest, and Go. Over the past 4+ years I’ve shipped features in international teams, focused on performance, security, and robust architecture. I thrive in fast-moving environments and love learning new technologies, especially in cybersecurity and cloud-native workflows.…Hi there! I’m Boyan Koychev, a Bulgarian software engineer with a solid track record building scalable web apps and microservices. I enjoy turning complex problems into clean, maintainable solutions using React, Node/Express/Nest, and Go. Over the past 4+ years I’ve shipped features in international teams, focused on performance, security, and robust architecture. I thrive in fast-moving environments and love learning new technologies, especially in cybersecurity and cloud-native workflows.

Available to hire

Hi there! I’m Boyan Koychev, a Bulgarian software engineer with a solid track record building scalable web apps and microservices. I enjoy turning complex problems into clean, maintainable solutions using React, Node/Express/Nest, and Go.

Over the past 4+ years I’ve shipped features in international teams, focused on performance, security, and robust architecture. I thrive in fast-moving environments and love learning new technologies, especially in cybersecurity and cloud-native workflows.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Bulgarian

Fluent

English

Fluent

Work Experience

Fullstack Software Engineer at Yara International

February 1, 2021 - September 1, 2025

Started as a junior Front-end developer and transitioned to mid-level Full-stack engineer. Built component-based UIs using React for agricultural software applications. Implemented scalable backend services with Express and Nest.js. Collaborated with an international team on high-impact features for modern farming solutions. Focused on performance, maintainability, and scalable architecture in real-world software projects. Gained hands-on experience across the full JavaScript ecosystem, reinforcing mid-level engineering proficiency.

Software Engineer at Palo Alto Networks

September 1, 2025 - Present

Contributed to the development of identity security and access management systems. Built scalable backend services using Go, Express, and NestJS; migrated part of the old micro-frontends into the new Palo Alto platform, implementing new features and fixing legacy bugs. Worked on high-security, high-availability systems handling identity and authentication flows. Focused on scalability, performance, and secure architecture design.