Top Tech Jobs & Startup Jobs in London

Design, prototype, and implement enemy behaviours, AI systems, boss encounters and balancing for a mobile first-person shooter. Collaborate with level, art, animation, audio, and engineering teams, analyse playtest and player data, and document designs to deliver polished, shipping-quality enemies and encounters.

Design and own metagame, progression, economy and engagement features for a live FPS mobile title. Prototype, balance, analyze KPIs and player data, collaborate across design, art, UX, engineering and product to iterate and expand live features, and document concepts to align teams.

Lead profitable user acquisition strategy and execution for Gram Games and Merge Dragons! across major channels. Own growth planning, budget scaling, measurement, experimentation, ROAS, LTV, and full-funnel performance. Mentor UA managers and analysts while partnering with Product, Creative, ASO, and Data teams to improve acquisition efficiency, creative testing, reporting, and cross-functional execution.

Own and optimize the VFX and animation pipeline for mobile casual puzzle games. Create high-quality, “juicy” VFX and animations from concept through final Unity implementation, using Particle System, Shader Graph, Animation Timeline, URP, and custom materials. Optimize for mobile performance and memory, troubleshoot visual and sorting issues, and collaborate with art, design, tech art, engineering, and production to improve workflows and runtime performance.

Lead a new Merge 2 game from concept to live operations: define creative vision, core loop, progression, economy and monetization. Mentor designers, partner with product/engineering/art, use analytics and live feedback to iterate systems and maintain player retention.

The Senior Game Economy Designer will optimize in-game economies for engagement and monetization, using data-driven strategies and collaborating with cross-functional teams.

Lead the end-to-end UX and UI vision for an unannounced mobile live-service title, manage and mentor a team of designers, create and maintain scalable design systems, collaborate with Art and Product leadership, iterate using player data and testing, and oversee technical implementation in Unreal Engine.

The Director of Product will oversee game product lifecycles, drive strategy, mentor teams, and leverage data for product development.

Lead ASO and platform partnership strategy for a portfolio of mobile games. Own organic growth roadmap, secure featuring and editorial opportunities, run store listing experiments, optimize metadata and creatives, measure organic uplift, and mentor an ASO team while collaborating with Product, Creative, UA, and Data.