Lead development for a spend-management product, shaping product, team, or technology strategy and building scalable backend and frontend systems for financial workflows.
About this role
This full-time, mid-career role is a tech lead position for freee’s internal products. The team is working to make the company, which operates at a scale of several thousand people, a highly productive and advanced organization through its internal systems and data platform.
The role leads the internal data platform from planning and architecture through implementation, operation, and maintenance. Responsibilities include designing data connections among back-office systems such as human resources, accounting, and recruiting; developing a semantic layer that enables broader use of distributed data; selecting and operating modern solutions with AI use in mind; and leading the full development cycle from hearing operational issues and defining requirements to development and ongoing support. The scope of responsibilities may change depending on the company’s business situation and the individual’s suitability.
The technical environment includes AWS and Google Cloud, including BigQuery and Looker. Development languages include TypeScript, JavaScript, and Python. AI development tools named in it include Claude Code, Codex, and Devin. Infrastructure is managed with Terraform as infrastructure as code, and the tools include GitHub, Jira, and Slack.
Required qualifications are experience as a tech lead or leader of an engineering team; experience building a data analysis environment or performing advanced data modeling; experience building cloud infrastructure with AWS or Google Cloud; experience managing infrastructure with infrastructure as code such as Terraform; development experience with at least one of TypeScript, JavaScript, or Python; and proficiency with standard Linux commands and Git-based development workflows.
Knowledge of AI technologies such as large language models and experience applying them to practical work are welcomed. Experience leading large-scale data migration or system replacement projects is also welcomed.
The work focuses on updating internal systems for AI-native operations and improving access to company data. The position offers responsibility for technology selection based on an ideal future state rather than existing constraints. The organization states that discussions are intended to be flat regardless of tenure and that team members are expected to think independently, act proactively, communicate with diverse stakeholders using logical reasoning, and value maximizing team results alongside individual technical ability.
The job is located in Tokyo.
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