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Hi, I’m Janko Jovanovic, a Senior Full-Stack Developer specializing in Shopify and e-commerce. I design and build end-to-end web solutions, lead development teams, and craft scalable systems that deliver real business value. I love collaborating with designers and product managers to turn complex requirements into polished, user-friendly experiences, and I stay current with modern frontend and backend tools to keep projects fast, reliable, and secure.…Hi, I’m Janko Jovanovic, a Senior Full-Stack Developer specializing in Shopify and e-commerce. I design and build end-to-end web solutions, lead development teams, and craft scalable systems that deliver real business value. I love collaborating with designers and product managers to turn complex requirements into polished, user-friendly experiences, and I stay current with modern frontend and backend tools to keep projects fast, reliable, and secure.

Janko Jovanovic

Full Stack Developer, Web Developer, Front-End Developer, +3

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Hi, I’m Janko Jovanovic, a Senior Full-Stack Developer specializing in Shopify and e-commerce. I design and build end-to-end web solutions, lead development teams, and craft scalable systems that deliver real business value. I love collaborating with designers and product managers to turn complex requirements into polished, user-friendly experiences, and I stay current with modern frontend and backend tools to keep projects fast, reliable, and secure.…Hi, I’m Janko Jovanovic, a Senior Full-Stack Developer specializing in Shopify and e-commerce. I design and build end-to-end web solutions, lead development teams, and craft scalable systems that deliver real business value. I love collaborating with designers and product managers to turn complex requirements into polished, user-friendly experiences, and I stay current with modern frontend and backend tools to keep projects fast, reliable, and secure.

Available to hire

Hi, I’m Janko Jovanovic, a Senior Full-Stack Developer specializing in Shopify and e-commerce. I design and build end-to-end web solutions, lead development teams, and craft scalable systems that deliver real business value.

I love collaborating with designers and product managers to turn complex requirements into polished, user-friendly experiences, and I stay current with modern frontend and backend tools to keep projects fast, reliable, and secure.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

German

Intermediate

Serbian

Fluent

Work Experience

Senior Full-Stack Web Developer at Team Cubate ApS

August 1, 2021 - Present

Consultant for Team Cubate ApS, leading development of various projects as a full-stack web developer. Responsibilities included developing custom Shopify stores from scratch (theme architecture, performance optimization, UX improvements), building and maintaining custom Shopify apps, implementing complex Shopify integrations with third-party services and APIs, collaborating with designers, product managers, and stakeholders to deliver high-quality e-commerce solutions, and providing technical guidance and mentorship to other developers.

Full-Stack Shopify Developer / Development Lead at Good Karma Agency

November 1, 2021 - January 2, 2025

Led end-to-end development of custom Shopify themes and applications; architected scalable e-commerce solutions; managed a development team (code reviews, planning, mentoring); built scalable Shopify solutions using Node.js/Express, React/Next.js, and related tech; worked on remote Belgrade-based team.

Senior Full-Stack Web Developer at Teamcubate ApS

August 1, 2021 - Present

Lead development for Teamcubate ApS projects as a Senior Full-Stack Web Developer. Implemented end-to-end Shopify-related work, including theme architecture, performance optimizations, and UX improvements. Built and maintained Shopify applications to extend core platform functionality. Collaborated with designers, product managers, and stakeholders to deliver high-quality e-commerce solutions. Provided technical guidance and mentorship to other developers.

Full-Stack Shopify Developer at Good Karma Agency

November 1, 2021 - January 1, 2025

Led end-to-end development of custom Shopify themes and applications at Good Karma Agency (remote). Architected and delivered scalable e-commerce solutions, managed a development team (code reviews, planning, mentoring), and ensured on-time delivery. Built custom apps using Node.js, React, Remix.js, Express.js, and other stacks; integrated analytics, marketing platforms, and third-party services. Implemented technical guidance and mentorship to other developers.

Full-Stack Web Developer at Self-Employed / Freelancer

April 1, 2015 - August 1, 2021

Delivered custom web and e-commerce solutions for international clients. Worked directly with stakeholders on requirements, architecture, and delivery. Implemented frontend and backend features across a wide tech stack (HTML, CSS, JavaScript, React, Node.js, Next.js, Vue.js, Liquid, Shopify APIs). Built scalable apps using Node.js, Express.js, Remix.js, and REST/GraphQL APIs.