Senior C# / Unity Developer

**About the company:** Slacker Apps Nakano-ku, Tokyo We are a dedicated collective of technologists, innovators, and artists dedicated to crafting compelling digital content. Whether we’re developing cutting-edge applications for clients or pioneering our own in-house projects, our passion for innovation drives everything we do. Read more **Responsibilities:** Act as Lead Engineer for the Unity front-end across Stratbox Analytics and Core Explorer. Architect scalable, maintainable C# systems and set technical standards for the team. Lead development of geospatial pipelines, globe rendering, and visualisation tools. Solve advanced performance challenges (large datasets, GPU rendering, precision issues). Translate complex domain workflows into clean technical implementations. Collaborate closely with UI/UX developers, feature developers, technical artists, and backend/system engineers. Provide technical leadership and mentorship to a direct team of 3–4 developers (UI specialist + 2–3 feature developers). Take ultimate responsibility for the technical quality, performance, and stability of the Unity application. Requirements 5+ years professional Unity development experience. Expert-level C# knowledge, architecture patterns, and editor tooling. Experience building complex 3D applications or technical software. Strong understanding of rendering pipelines and performance optimisation. Proven ability to lead or technically own a significant codebase. Comfortable collaborating across disciplines and translating requirements into systems. Ability to work from our office four days per week Nice to haves While not specifically required, tell us if you have any of the following. Experience with data visualisation, scientific, engineering, or CAD-style applications. Familiarity with geospatial concepts (tiles, projections, large-world coordinates). Experience working with large numerical datasets or precision-sensitive systems. Experience mentoring developers or leading small engineering teams. Interest in UX for technical users and complex workflows. Experience integrating Unity front-ends with backend data services. Compensation ¥6,000,000 ~ ¥8,000,000 annually. APPLY FOR THIS POSITION DO YOU NEED MORE INFO? ASK A QUESTION **Requirements:** 5+ years professional Unity development experience. Expert-level C# knowledge, architecture patterns, and editor tooling. Experience building complex 3D applications or technical software. Strong understanding of rendering pipelines and performance optimisation. Proven ability to lead or technically own a significant codebase. Comfortable collaborating across disciplines and translating requirements into systems. Ability to work from our office four days per week **Nice to have:** While not specifically required, tell us if you have any of the following. Experience with data visualisation, scientific, engineering, or CAD-style applications. Familiarity with geospatial concepts (tiles, projections, large-world coordinates). Experience working with large numerical datasets or precision-sensitive systems. Experience mentoring developers or leading small engineering teams. Interest in UX for technical users and complex workflows. Experience integrating Unity front-ends with backend data services. **Compensation:** ¥6,000,000 ~ ¥8,000,000 annually. APPLY FOR THIS POSITION DO YOU NEED MORE INFO? ASK A QUESTION