Tech Lead (Golang/Java/Python, Scrum Master)

Responsibilities and Duties

• Lead a small development team (initially 2 members), balancing hands-on development and team facilitation.
• Drive sprint planning, daily stand-ups, retrospectives, and other Agile ceremonies.
• Act as a key contact point between engineering, business stakeholders, and management to ensure alignment and visibility.
• Contribute directly to development, designing and implementing scalable backend systems and services.
• Provide technical guidance, mentorship, and regular code reviews to ensure high engineering standards.
• Track team progress and health using tools like Jira, ensuring timely delivery and continuous improvement.
• Help shape team processes, estimation practices, and foster a culture of shared ownership and accountability.

Qualifications

• 5+ years of experience in software development with strong hands-on skills in a modern programming language (e.g., Go, Java, Kotlin, TypeScript, Python, etc.).
• Experience in leading small teams or acting as a Scrum Master, Tech Lead, or Engineering Manager in an Agile environment.
• Deep understanding of backend system design, software architecture, and micro-services.
• Strong communication and stakeholder management skills, with ability to collaborate effectively with product managers, designers, and leaders.
• Comfortable facilitating Agile ceremonies and balancing delivery accountability with technical execution.
• Strong sense of ownership, self-direction, and reliability in fast-moving environments.

Nice-to-Haves

• Experience with distributed systems, message queues (e.g., Kafka), or event-driven architectures.
• Familiarity with Domain-Driven Design (DDD), clean architecture, or design patterns for scalable backend development.
• Exposure to infrastructure as code, containerized environments (e.g., Docker, Kubernetes), or cloud platforms (especially AWS).
• Experience working in a multi-national, cross-timezone team environment.
• Scrum Master certification (CSM, PSM) or similar is a plus.

Language Skills

• Business level English proficiency (TOEIC score of 700 or above equivalent).
• Japanese proficiency is not required but nice to have.

Technology Stack

• Language: Go, Java, Python or any other languages
• Database: MySQL, DynamoDB, Redis
• Infrastructure/Middleware: Terraform, Kubernetes, AWS (EKS, ECR, RDS, S3, SQS, SNS, etc…), GCP, Docker, Kafka, NginX, Consul

Tools Used

• Communication: Slack, Kibela, Zoom
• Monitoring: Datadog, Rollbar, Sentry
• Repository Management: GitHub
• CI/CD: Argo CD, Circle CI, Jenkins, GitHub Actions
• Ticket Management: Jira
• Security: Dependabot, Sonarqube