Senior Java Engineer
Cosmose AI provides Attention-as-a-Service using first-party data and proprietary AI models. Its products deliver personalized experiences through smartphone lock screens and other digital touchpoints for brands and businesses.
Funding history
Investors
About Cosmose AI
Cosmose AI is an artificial intelligence company focused on attention and personalization. Its proprietary MindMentor AI engine powers personalized lock-screen content through on-device computing, emphasizing privacy and keeping personal data on the device. The company serves luxury brands, FMCG companies, automotive companies, and e-commerce businesses with AI-powered solutions designed to improve audience engagement and growth.
Skills
About the Role
You build and scale backend services for the KaiKai Lock Screen and CMS, processing and delivering content to millions of users. You improve architecture, performance, reliability, and efficiency, support integrations, maintain code quality, and collaborate with product, content, and data functions.
Requirements
- Strong Java backend development experience
- Experience building scalable and high-performance backend systems
- Familiarity with event-driven systems and Kafka
- Knowledge of relational databases and SQL
- Ownership and solution-driving ability
- Polish and English communication skills
- High-traffic systems experience is advantageous
Responsibilities
- Design, develop, and maintain backend services
- Build scalable systems for large-scale data processing and real-time content delivery
- Contribute to architecture and system design improvements
- Maintain code quality through testing and code reviews
- Build scalable solutions with distributed and event-driven systems
- Improve system performance, reliability, and efficiency
- Support external service and third-party integrations
- Collaborate with product, content, and data teams
- Share knowledge and contribute to team improvement
Benefits
- Stock options