Backend Software Engineer（Senior）

必須

• 5+ years of experience designing, developing, and leading backend systems for large-scale applications.
• Extensive experience building and maintaining robust APIs, including gRPC and RESTful architectures.
• Strong proficiency in at least one major backend server languages and frameworks (e.g., Go/Jin, Python/Django, Java/Spring)
• Strong proficiency with CICD and devops.
• Experience with designing and developing cloud-based applications (AWS, Azure, GCP, etc.)
• Proficiency in containerization technologies like Docker and Kubernetes, including architecture design and implementation.
• Experience with both relational (RDBMS) and NoSQL databases, including schema design, optimization, and data management.
• Ability to assess and select appropriate technologies (SaaS, OSS, etc.) based on trade-offs, cost, and business needs.
• Experience with the full software lifecycle of designing, delivering, operating, and maintaining complex systems.
• Ability to define error budgets, SLAs, and SLOs to ensure system reliability and meet business requirements.
• Proven ability to lead agile projects, make architectural decisions, mentor junior engineers, and foster best practices.
• Familiarity with security best practices (e.g., ISMS), data encryption, access control, and compliance standards (e.g., GDPR).
• Proficient in written and verbal business-level English.
• You are able to work in Japanese

歓迎

• Experience in Devops practices.
• Active contributor to open-source projects..
• Experience in collaborating with client or presenting technical information.
• Experience in the market research or ad-tech industry.
• Experience in microservices architecture.
• Familiarity with statistical concepts and their application in data analysis.

求める人物像

• You have a growth mindset who embraces challenges, views setbacks as learning opportunities, and isn't afraid to step outside their comfort zone.
• You thrive on taking ownership and driving projects forward. Someone with a strong sense of responsibility and the determination to see tasks through to completion.
• You thrive in a team environment and can effectively communicate with diverse stakeholders.
• You are driven by a desire to build high-quality, impactful software.
• You are passionate about tackling complex challenges and finding creative solutions.
• You have a positive attitude towards English

使用ツール

About the Job

• Lead Software Development: Design, develop, and deliver high-quality, high-performance, scallable, and secure software platform that meet defined requirements to support Macromill's business, while accurately estimating development effort.
• Analyze and understand: Dive deep into Macromill's existing legacy systems to understand their architecture, dependencies, and limitations.
• Prioritize Maintainability and Quality: Write clean, well-documented, and maintainable code. Develop comprehensive test code to ensure software quality and contribute to continuous improvement efforts of the codebase.
• Champion Agile Best Practices: Actively participate in an Agile team, contributing to all phases of the development lifecycle.
• Ensure Code Quality: Participate in code reviews for both internal and vendor-developed code, providing constructive feedback and ensuring adherence to coding standards and best practices.
• Collaborate effectively: Build and maintain relationship with stakeholders and take ownership in communicating technical decisions and progress.
• Mentor and guide: Provide technical guidance and mentorship to junior engineers.

Opportunities

• Join our Global Technology department, a driving force behind Macromill's business growth and a key area of focus for the company. Your work here will have a direct and significant impact on our success.
• You'll have the opportunity to go beyond simply supporting the business – you'll be leveraging technology to transform our operations and even help launch new business ventures. You'll be building the future by designing and developing modern platforms and processes with cutting-edge architectures and technologies. This role offers invaluable experience to expand your skillset and knowledge in both legacy and modern technology, allowing you to be part of a transformation, contributing to a significant organisational shift and work with the latest technologies to build a strong foundation for your career growth.
• In addition, you will work alongside a talented and supportive team with opportunities for leadership, mentorship and professional development in a fast-evolving environment.

Team

• You will be part of the Global Technology Department.