About this role

Design, development, and improvement of new features related to Merpay’s core platform functions (e.g., identity verification, bank integrations, internal server-driven UI infrastructure)
Team-based development in collaboration with product managers, designers, backend engineers, and QA/Test engineers
Improving code quality and enhancing the development environment
Conducting code reviews for team members
Creating prototypes and proofs of concept (POCs) to introduce new iOS-related technologies

Alignment with the mission and values of the Mercari Group and its companies
Passion for the financial services domain
Experience developing native iOS applications using Swift
Knowledge of iOS standard libraries and frameworks
Experience in team-based application development in collaboration with product managers, designers, backend engineers, and QA
Willingness to go beyond iOS and work across adjacent domains when needed
Strong interest in AI-native development, with the ability to validate correctness, maintainability, and safety
Candidates should meet one of the following:
English: Independent (CEFR B2) / Japanese: Basic (CEFR A2) — preferred
Japanese: Independent (CEFR B2) / English: Basic (CEFR A2) — preferred

Software Engineer, iOS – Platform Product

Key skills