Senior Unity/
Engine Developer
Poland, Warsaw (B2B)
Hello, we are Luna!

We are Unity’s (after merger with ironSource) creative solution that empowers app businesses to drive incremental growth through creatives. Our technology supports all stages of their creative process, from concept iteration to creative production, delivery, reporting, and optimization.

Luna provides the best quality tools for playable production in-house and is a “go to” solution to produce Playable Ads. We are empowering the growth of the top growing companies in both AppStore/GooglePlay. Creatives made with Luna are shown >8 billion times across the globe monthly.

About the role

Luna Playable Plugin is currently looking for a Unity developer for the Senior Engine Developer position.

As part of our mission to provide games studios with the tools to enhance their creative production process for HTML5/JS Playable Ads. Playable ads are lightweight web mini-games which provide users with a real gameplay experience, quickly teach how to play and engage in the game to achieve wow effect in under 30 seconds.

To achieve that we are building a custom lightweight JS runtime for Unity to allow our customers to achieve full game experience with small build size and great technical performance on all variety of mobile devices in Web context.


  • R&D — research and develop engine runtime features like RenderingPipeline, Physics, Animator.
  • Implement new features in LunaWindow — UnityEditor window to build playables. The goal is to provide instruments to customize and optimize builds to achieve <5MB build size
  • Improve runtime technical performance: FPS, RAM usage, loading time by optimizing engine systems
  • Implement API for engine systems
  • Improve StartupTime for the engine
  • Writing/maintaining internal/public documentation


  • Wide an in depth understanding of Unity3d engine with at least 5 years of professional experience
  • Great Math skills for computer graphics/physics applications
  • Great skill in technical optimisation
  • Good communication skills
  • In depth understanding of C# language and .NET platform
  • Great level of independent problem solving
  • Intermediate level of English (B1+)

Examples of tasks:

  • Implement Rendering Pipeline features: URP, Dynamic Batching, RealtimeShadows
  • Implement Physics components: CharacterJoint, MeshCollider
  • Research WebGL2 specification and suggest features to implement with arguments and implement them
  • Research glTF/glb formats, suggest feature to implement
  • Optimise performance for Animation/Animator component


  • Web games related experience - JS, Unity.WebGL, Three.JS, Playcanvas
  • C++
  • WASM
  • Experience in low level Graphics libraries - OpenGL, WebGL, GLES
  • Engine development experience


  • Work in a highly professional team. Informal and friendly atmosphere in the team.
  • Ability to work from our comfortable downtown office in Warsaw
  • Paid vacation — 20 business days per year, 100% sick leave payment
  • 3 additional Friday-days off (U days) during the year
  • 5 sick days per year
  • Equipment provision
  • Medical insurance (after the end of the probationary period)
  • Partially compensated educational costs (for courses, certifications, professional events, etc.)
  • Inflation-protected wages with regular revision of compensation conditions
  • English and Polish courses — 2 times a week
  • Bright and memorable corporate life: corporate parties 2 times a year, gifts to employees in honor of life events
Join us ✨
Please note that you should have a PBH visa/
Karta pobytu/Paszport polski to be considered
for this position. Thank you!
Iryna Hudozhnikava