Senior Game Developer

Seepia
Full-time Finland, Finland Other-General
Posted:
February 23, 2026
Location:
Finland, Finland, Finland

Job Description

Seepia is building the future of playable experiences.

As we continue to grow, we are looking for a Senior Game Developer to design, build, and optimise high-performing interactive ads and games.

This is a hands-on engineering role focused on building performant, scalable, and reusable systems. You will work in small, cross-functional teams alongside art, design, QA, and production to deliver high-quality playable ads and gambling games.

If you enjoy solving technical challenges, building systems from scratch, and improving performance under real-world constraints, this is an opportunity to have a meaningful impact in a fast-moving environment.

What You'll Do

  • Develop well-performing ads using HTML5 / Typescript.
  • Develop gambling games (including slot games and eInstants) using HTML5.
  • Support the team with your technical knowledge from initial designs to final delivery.
  • Optimise features to meet strict performance and...

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Job Overview

Job Type: Full-time
Location: Finland, Finland
Posted: February 23, 2026
Deadline: April 04, 2026