Kasra Parhun

A versatile and resilient Full Stack Developer with over 15 years of experience across the full product lifecycle, from digital marketing and UI/UX to quality assurance and modern front-end/back-end development. My unique journey has provided me with a holistic understanding of how to build, test, and launch successful products. I thrive on solving complex problems, am an expert in AI-augmented development workflows, and am deeply committed to writing high-quality, maintainable code.

CTO and Lead Developer at Sustainly s.r.o (2025-07 – Present)

• Architected and developed core application features using Next.js, TypeScript, and PostgreSQL.
• Engineered API integrations with third-party services (n8n) and managed database schemas with Drizzle.
• Contributed to product strategy by providing UX feedback and mentoring junior interns on best practices.

Full-Stack Developer at Freelance (2023-01 – 2025-06)

• Analyzing requirements and refining them.
• Designing the system based on requirements and implanting them using suitable technologies.
• Complete test coverage and providing high quality apps

Senior QA Engineer at Pixelfield s.r.o (2021-02 – 2022-12)

• Served as the de facto QA Lead, holding final sign-off authority for production releases of over 15 mobile and web applications.
• Established and owned the entire QA process, dramatically improving product quality and reducing post-release bugs.
• Acted as a key client-facing contact, conducting product demonstrations and managing bug report communication.
• Mentored junior QA team members and demonstrated a strong work ethic and commitment to deadlines in a high-pressure, agile environment.

Web Development & Digital Marketing at Various (2008-01 – 2020-12)

• Managed a portfolio of web properties, including Iran's first flat-finder website, handling the full business lifecycle from development (PHP, WordPress) and SEO to client support and agency coordination.
• Gained over a decade of hands-on experience in building and scaling online businesses.

Bachelor in Software Technology – Andishe Institute of Higher Education (2015-03)