Develop and operate mobile client SDKs for KARTE for App, supporting iOS, Android, Flutter, and React Native. Improve device compatibility, testing, CI/CD, and high-volume tracking.
About this role
KARTE Signals uses first-party data collected by companies, including customer behavior, CRM data, and offline POS data, to optimize advertising delivery and make advertising results visible. The product mainly consists of Signals Dashboard for advertising measurement and LTV analysis, and Signals Connector for data integration with major platforms such as Google and Meta and conversion completion.
The Product Engineer develops and improves dashboard features for visualizing advertising performance and implementing LTV and ROAS analysis UI and UX. Responsibilities also include building automated import and aggregation processes for advertising-media reports, defining requirements and implementing campaign-management features that support the PDCA cycle of advertising initiatives, and designing and implementing connectors for additional advertising media through Conversion APIs such as those provided by Google, Meta, and LINE.
The role includes planning and implementing AI-based features intended to automate and optimize advertising operations. It also covers product-wide quality improvements, including performance improvements for queries and aggregation processes that handle large-scale data, as well as participation in code reviews and design discussions.
The stated technology stack includes TypeScript and Vue.js or React on the frontend, Node.js on the backend, and GCP infrastructure including BigQuery, Bigtable, and GKE. Docker, GitHub, MongoDB, Redis, and dbt are also listed.
The team is small and consists of engineers, designers, and product managers who work closely together across product design, development, and operations. The role is based at the head office in Ginza, Chuo-ku, Tokyo. The stated work arrangement is hybrid, combining office and remote work; depending on company and team circumstances, a certain number of office days may be requested. The posting states that business-side roles currently generally attend the office three days per week.
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