Backend Engineer Intern

Stack

Responsibilities

• ▹Build and maintain backend features under the guidance of senior engineers
• ▹Write and optimize SQL queries and work with relational databases (MySQL/PostgreSQL) day to day
• ▹Integrate with internal and third-party APIs
• ▹Use AI coding assistants to write, refactor and debug code
• ▹Write tests and help keep the codebase clean and readable
• ▹Take part in code reviews, stand-ups and technical discussions
• ▹Investigate bugs, reproduce issues and propose fixes

Requirements

• ▹Basic programming skills in at least one backend programming language
• ▹Basic understanding of relational databases (MySQL or PostgreSQL) and the ability to write simple SQL queries
• ▹Hands-on experience using AI coding tools such as Claude Code, and a healthy critical eye toward what they produce
• ▹Familiarity with Git and basic version control workflows
• ▹Good English, enough to read documentation and communicate with an international team
• ▹A genuine willingness to learn and take feedback

Nice to have

• ▹Experience with Python or Node.js
• ▹Understanding of caching concepts
• ▹Familiarity with REST APIs, GraphQL, Docker, Linux basics
• ▹Personal projects, open-source contributions or a GitHub profile to show

Soft skills

What we offer

• ▹Competitive internship compensation and fully paid commuting expenses
• ▹Hands-on mentoring from experienced engineers and real production work from week one
• ▹Hybrid work setup
• ▹Warm daily lunch in the office
• ▹International company with more than 25 nationalities
• ▹Recently renovated office 2 minutes from Leidseplein in Amsterdam

About the company

Creative Clicks is a leading global marketing agency with offices worldwide and 200+ professionals. Since 2009, it has been empowering brands, publishers and marketers to attract and engage customers at scale with technology and creativity.