Jobs at Easybrain

Develop advertising concepts for mobile games across video, static, and playable formats. Create briefs, review creative quality, test playable ads, analyze competitor trends, contribute to performance analysis, and coordinate production with designers, developers, and the Creative Producer.

Analyze player behavior and product metrics for mobile games, design and evaluate A/B tests, identify growth opportunities, and provide actionable recommendations to product stakeholders. The role requires Python, SQL, quantitative analysis, product analytics, and practical AI-tool usage. Responsibilities include monitoring retention, engagement, and monetization, researching progression and game balance, and supporting experiment rollout decisions.

Build and operate real-time machine learning services for ads monetization and game personalization. Develop large-scale data pipelines, optimize Python services and SQL queries, deploy models to production, and establish CI/CD, monitoring, and model quality tracking. Partner with Data Scientists to translate research into production systems, define interfaces, gather business requirements, and make technical decisions across backend engineering, data engineering, and MLOps.

Manage the Warsaw office environment, resolve daily operational issues, support internal events and employee onboarding, prepare workspaces, and coordinate with suppliers, contractors, and service providers. The role also involves maintaining office supplies, purchases, budgets, and a welcoming, organized workplace.

Build and deploy machine learning systems for ads monetization, LTV prediction, user acquisition optimization, and in-game personalization. Own models end to end, including problem framing, data exploration, research, production deployment, validation, A/B testing, and post-launch iteration. Collaborate with analytics teams to improve business metrics using behavioral data and modern ML techniques.

Design and manage large game features, systems, and content for casual games. Turn concepts into feature requirements, collaborate with production and other teams, and use feedback and data to optimize retention and monetization.

Own and improve ads monetization: propose optimizations, coordinate implementation with production, analyze LTV-related metrics with analytics, and optimize the ad stack.

Maintain full statutory accounting records per Polish regulations, perform month- and year-end closings, manage bank transactions and payroll entries (~50 employees), prepare tax declarations (VAT, CIT, JPK), produce reports and statutory financial statements, cooperate with auditors, and supervise a junior accountant.

Design mobile game interfaces and animations for iOS/Android, build interactive prototypes, adapt UIs for tablets, prepare layout guidelines, review game builds, present design solutions, and collaborate with developers to solve product problems and improve game experiences.