Mid-level Software Engineer – Backend, Python/Django

• Solve complex domain-modeling challenges in the energy sector
• Write robust, fault-tolerant software primarily using Python, Django, GraphQL, Celery, and PostgreSQL
• Write clean code and unit, integration, and functional tests
• Debug production issues using structured methods
• Learn and work within a large, complex codebase
• Write documentation for features and stakeholders
• Own and deliver medium-sized engineering problems
• Address system observability gaps and manage technical escalations independently
• Mentor junior engineers and assist with onboarding
• Participate in hiring debriefs
• Collaborate across domains and promote performance, security, and testability best practices

• Usually 4–8 years of experience for Engineer II roles
• Strong technical coding ability comparable to a senior engineer
• Experience with Python and Django or an equivalent web framework
• Knowledge of domain modeling and architectural design
• Experience with GraphQL
• Ability to write robust and fault-tolerant software
• Experience with Celery and asynchronous processing
• Experience with PostgreSQL
• Right to work in Japan at the time of application
• English and Japanese proficiency

• Remote work within Japan
• Hybrid work option from Tokyo
• Career growth and continued support
• Opportunity to work with talented engineers globally
• Professional development and skill advancement
• Accommodation support during the hiring process
• Equal opportunity workplace