Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I’m a Python Software Engineer based in Zurich, Switzerland, with several years of experience in Django, FastAPI, and microservice architecture. Over the past few years, I’ve worked on backend optimization, API development, and full-stack projects for companies like Eturnity AG and INTIS and Kiwi.com, focusing on performance, clean code, and reliability. Currently, I’m working as a freelancer, building and maintaining web solutions for Swiss clients using modern frameworks like Next.js. I hold a Master’s degree in Computer Science and enjoy solving complex technical problems, collaborating across many teams, and delivering well-engineered, scalable software.…I’m a Python Software Engineer based in Zurich, Switzerland, with several years of experience in Django, FastAPI, and microservice architecture. Over the past few years, I’ve worked on backend optimization, API development, and full-stack projects for companies like Eturnity AG and INTIS and Kiwi.com, focusing on performance, clean code, and reliability. Currently, I’m working as a freelancer, building and maintaining web solutions for Swiss clients using modern frameworks like Next.js. I hold a Master’s degree in Computer Science and enjoy solving complex technical problems, collaborating across many teams, and delivering well-engineered, scalable software.

Domagoj Puljic

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





I’m a Python Software Engineer based in Zurich, Switzerland, with several years of experience in Django, FastAPI, and microservice architecture. Over the past few years, I’ve worked on backend optimization, API development, and full-stack projects for companies like Eturnity AG and INTIS and Kiwi.com, focusing on performance, clean code, and reliability. Currently, I’m working as a freelancer, building and maintaining web solutions for Swiss clients using modern frameworks like Next.js. I hold a Master’s degree in Computer Science and enjoy solving complex technical problems, collaborating across many teams, and delivering well-engineered, scalable software.…I’m a Python Software Engineer based in Zurich, Switzerland, with several years of experience in Django, FastAPI, and microservice architecture. Over the past few years, I’ve worked on backend optimization, API development, and full-stack projects for companies like Eturnity AG and INTIS and Kiwi.com, focusing on performance, clean code, and reliability. Currently, I’m working as a freelancer, building and maintaining web solutions for Swiss clients using modern frameworks like Next.js. I hold a Master’s degree in Computer Science and enjoy solving complex technical problems, collaborating across many teams, and delivering well-engineered, scalable software.

Available to hire

I’m a Python Software Engineer based in Zurich, Switzerland, with several years of experience in Django, FastAPI, and microservice architecture. Over the past few years, I’ve worked on backend optimization, API development, and full-stack projects for companies like Eturnity AG and INTIS and Kiwi.com, focusing on performance, clean code, and reliability.

Currently, I’m working as a freelancer, building and maintaining web solutions for Swiss clients using modern frameworks like Next.js. I hold a Master’s degree in Computer Science and enjoy solving complex technical problems, collaborating across many teams, and delivering well-engineered, scalable software.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

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).