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I'm a backend-focused software engineer with a passion for building reliable, scalable systems. I specialize in Python, Django, and modern microservices, delivering production-ready solutions from architecture to deployment. I thrive in challenging environments where performance and maintainability matter. I enjoy collaborating with product, frontend, and support teams to translate complex requirements into robust technical designs. I've shipped end-to-end platforms, improved deployment speed, and reduced incident resolution times by strengthening tests and automation. Currently based in Switzerland, I take pride in practical, user-centered engineering that solves real-world problems.…I'm a backend-focused software engineer with a passion for building reliable, scalable systems. I specialize in Python, Django, and modern microservices, delivering production-ready solutions from architecture to deployment. I thrive in challenging environments where performance and maintainability matter. I enjoy collaborating with product, frontend, and support teams to translate complex requirements into robust technical designs. I've shipped end-to-end platforms, improved deployment speed, and reduced incident resolution times by strengthening tests and automation. Currently based in Switzerland, I take pride in practical, user-centered engineering that solves real-world problems.

Domagoj Puljic

Full Stack Developer, Back-End Developer, Web Developer, +6

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I'm a backend-focused software engineer with a passion for building reliable, scalable systems. I specialize in Python, Django, and modern microservices, delivering production-ready solutions from architecture to deployment. I thrive in challenging environments where performance and maintainability matter. I enjoy collaborating with product, frontend, and support teams to translate complex requirements into robust technical designs. I've shipped end-to-end platforms, improved deployment speed, and reduced incident resolution times by strengthening tests and automation. Currently based in Switzerland, I take pride in practical, user-centered engineering that solves real-world problems.…I'm a backend-focused software engineer with a passion for building reliable, scalable systems. I specialize in Python, Django, and modern microservices, delivering production-ready solutions from architecture to deployment. I thrive in challenging environments where performance and maintainability matter. I enjoy collaborating with product, frontend, and support teams to translate complex requirements into robust technical designs. I've shipped end-to-end platforms, improved deployment speed, and reduced incident resolution times by strengthening tests and automation. Currently based in Switzerland, I take pride in practical, user-centered engineering that solves real-world problems.

Available to hire

I’m a backend-focused software engineer with a passion for building reliable, scalable systems. I specialize in Python, Django, and modern microservices, delivering production-ready solutions from architecture to deployment. I thrive in challenging environments where performance and maintainability matter.

I enjoy collaborating with product, frontend, and support teams to translate complex requirements into robust technical designs. I’ve shipped end-to-end platforms, improved deployment speed, and reduced incident resolution times by strengthening tests and automation. Currently based in Switzerland, I take pride in practical, user-centered engineering that solves real-world problems.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Advanced

German

Intermediate

Croatian

Fluent

Work Experience

Software Engineer at Freelance / Self-employed

July 1, 2025 - Present

Built and deployed a professional website for a medical practice in Gattikon using Next.js; currently developing a community website for a local Zürich-based organization; responsible for full-stack development, deployment, and ongoing maintenance.

Python Engineer at ETurnity AG

June 30, 2025 - October 17, 2025

Maintained and optimized Django APIs in a microservice architecture; improved DRF efficiency via PostgreSQL query optimization; wrote unit and integration tests using pytest; collaborated with frontend, product and customer support teams; translated business requirements into technical solutions; contributed to Clean Code practices and code reviews; optimized performance and database efficiency with PostgreSQL and Redis; provided 2nd-level support and wrote automated scripts to reduce incident resolution time by 20%.

Software Engineer at INTIS d.o.o

November 30, 2023 - October 17, 2025

Transitioned monolith (Django) to microservices (FastAPI, Flask); Docker; improved deployment speed by 40%; containerized microservices with Docker and assisted in automated deployments; gained strong SQL experience with PostgreSQL, adaptable to Oracle/MySQL; optimized pytest test pipeline; reduced execution time by 30%; wrote extensive unit and integration tests with pytest and raised code coverage by 15%.

Software Engineer at Seek and Hit

July 31, 2021 - October 17, 2025

Maintained and enhanced APIs for Tequila web application (Flask, FastAPI); Migrated API proxy from Apigee to FastAPI, saving ~$100k/year in operational costs; developed in-house authorization system for enhanced security; contributed to CI/CD pipelines and containerization with Docker and GitLab; improved deployment speed and reliability.

Software Engineer Intern at Ericsson Nikola Tesla

August 31, 2018 - October 17, 2025

Built back-end of a web app for cause mapping (Node.js, MongoDB, React).

Freelance Web Developer at Self-employed / Freelance

July 1, 2025 - November 10, 2025

Built and deployed a professional website for a medical practice in Gattikon (hulu k.ch) using Next.js, deployed on Webland. Currently developing a community website for a local Zürich-based organization.

Python Engineer at Eturnity AG

June 1, 2025 - June 1, 2025

Maintained and optimized Django APIs in a microservice architecture; improved DRF efficiency via PostgreSQL query optimization; wrote unit and integration tests using pytest; collaborated with frontend, product and customer support teams; translated business requirements into technical solutions; contributed to Clean Code practices and code reviews; optimized performance and database efficiency with PostgreSQL and Redis; Provided 2nd level support; wrote automated scripts and reduced incident resolution time by 20%.

Software Engineer at Seek and Hit

July 1, 2021 - July 1, 2021

Maintained and enhanced APIs for Tequila web app (Flask, FastAPI); Migrated API proxy from Nginx to FastAPI, saving ~$100k/year in operational costs; Developed in-house authorization system for enhanced security; Contributed to CI/CD pipelines and containerization with Docker, GitLab.

Software Engineer Intern at Seek and Hit

December 1, 2020 - December 1, 2020

Gained experience in Python backend development (Flask, FastAPI). Participated in Agile/Scrum development and code reviews.

Summer Intern at Ericsson Nikola Tesla

August 1, 2018 - August 1, 2018

Built backend of a web app for cause code mapping (Node.js, MongoDB, React).

Freelance - Software Engineer (Backend/Python) at Freelance

July 1, 2025 - Present

Designed, built, and deployed end-to-end web systems using Python, Django, and Flask. Owned architecture to production, serving as a technical point of contact for clients and translating requirements into scalable backend solutions.

Software Engineer at INTIS d.o.o

August 1, 2021 - November 1, 2023

Supported architectural migration from a Django monolith to microservices (FastAPI/Flask); containerized services with Docker; improved deployment speed by 40%; built backend services integrating with external devices and enterprise systems; strong SQL/PostgreSQL usage and automated testing (pytest); reduced test pipeline runtime by 30%.

Software Engineer at Seek and Hit

December 1, 2018 - July 1, 2021

Developed APIs for high-traffic advertising and analytics platforms; migrated API proxy from Apigee to FastAPI, cutting operational costs by $100k/year; built in-house authentication system; contributed to CI/CD and Dockerization; strengthened SQL/PostgreSQL usage and automated testing.