Hi there! I'm Zivko Ostojic, a software engineer with 5+ years of experience building production-grade web systems and SaaS products across enterprise and startup environments. I have a strong focus on architecture, performance, and maintainability, and I love turning ambitious ideas into robust, scalable solutions. I enjoy frontend engineering and end-to-end system ownership, collaborating with design, QA, and product teams, and exploring freelance opportunities while building personal projects. I'm always learning and adapting to new tech stacks to deliver high-quality user experiences.

Zivko Ostojic

Hi there! I'm Zivko Ostojic, a software engineer with 5+ years of experience building production-grade web systems and SaaS products across enterprise and startup environments. I have a strong focus on architecture, performance, and maintainability, and I love turning ambitious ideas into robust, scalable solutions. I enjoy frontend engineering and end-to-end system ownership, collaborating with design, QA, and product teams, and exploring freelance opportunities while building personal projects. I'm always learning and adapting to new tech stacks to deliver high-quality user experiences.

Available to hire

Hi there! I’m Zivko Ostojic, a software engineer with 5+ years of experience building production-grade web systems and SaaS products across enterprise and startup environments. I have a strong focus on architecture, performance, and maintainability, and I love turning ambitious ideas into robust, scalable solutions.

I enjoy frontend engineering and end-to-end system ownership, collaborating with design, QA, and product teams, and exploring freelance opportunities while building personal projects. I’m always learning and adapting to new tech stacks to deliver high-quality user experiences.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
See more

Language

English
Fluent

Work Experience

Software Engineer
November 1, 2025 - Present
Independent contract Software Engineer focused on frontend and backend development, delivering production-grade SaaS across enterprise and startup environments with emphasis on architecture, performance, and maintainability.
Lead Developer
April 1, 2025 - October 1, 2025
Led development efforts with a tech stack including TypeScript, Next.js, Node.js, PostgreSQL, Redis, Docker, Azure, and Stripe; responsible for architecture decisions and delivering scalable frontend/backend components.
Frontend Developer / Component Library Engineer
March 1, 2022 - March 1, 2025
Built frontend systems and maintained a component library using JavaScript, React, Lit, and Storybook.
Full-Stack Developer
January 1, 2022 - March 1, 2022
Full-stack development with Java Spring Boot, React, TypeScript, and SQL.
Software Engineering Intern at Vega IT
July 1, 2021 - November 1, 2021
Software engineering internship focusing on frontend development and industry best practices.

Education

Completed coursework in Energy Electronics and Electric Machines at University of Novi Sad
January 11, 2030 - February 10, 2026

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Computers & Electronics, Professional Services