Senior Backend Engineer

5日前

Tokyo Rakuten Full time

Description

Department Overview

The Global Ad Technology Department (GATD) manages the whole of the advertising systems that power Rakuten. We are a cross-functional and data-driven organization working together in a diverse team spread across five countries: Japan, Singapore, India, China and UK.

About the team

We pride ourselves in having over 20 years of experience in the business being one of the greatest affiliate marketing networks in the performance marketing community. By our data-driven technologies we empower both advertisers and publishers in creating effective partnerships to successfully reach consumers and accelerate performance.

Rakuten Marketing Japan is a digital advertisement solutions company. We provide affiliate services, display ads, search ads, and so on, but not limited to those areas.

Position:

Why We Hire

We are seeking a highly skilled Senior Backend Engineer with proven expertise in PHP and Laravel framework development. The ideal candidate will have extensive experience in building and maintaining scalable backend systems, proficiency in database management (including NoSQL), and a strong background in backend architecture design. This role requires a proactive problem solver who can contribute to the development and enhancement of our platform, including the continuous adoption of microservices and containerization.

Position Details

Design, develop, and maintain backend services and APIs using PHP and Laravel.

Implement and optimize database solutions, including relational and NoSQL databases.

Work closely with frontend developers to integrate user-facing elements with server-side logic.

Collaborate with DevOps teams to implement containerization and ensure scalability and reliability of backend systems.

Participate in code reviews, architectural discussions, production deployment, and troubleshooting sessions.

Lead efforts to refactor and modernize legacy applications into better architectural designs.

Drive best practices in software development, including coding standards, code reviews, and testing.

Help in mentoring junior developers and contribute to the overall growth of the engineering team.

Work Environment

We have members from various countries and different cultural backgrounds.

In addition, there is no barrier between job titles and services in charge. The entire department has an open and flat atmosphere, and we are very active in exchange meetings with other groups for information sharing meetings and problem solving.

Mandatory Qualifications:

Minimum 6 years of proven and recent professional experience in PHP.

Expertise in Laravel framework.

Proficiency in designing and developing RESTful APIs.

Strong understanding and experience with NoSQL databases like MongoDB.

Familiarity with containerization and orchestration technologies (Docker, Kubernetes).

Experience with databases such as MySQL, PostgreSQL, or similar.

Hands-on experience in building highly scalable and reliable systems (including deployment of monitoring of such systems).

Proficient understanding of version control systems (Git).

Strong knowledge of software design principles and architectural patterns.

Ability to port and modernize legacy applications.

Familiarity with cloud platforms (AWS, Google Cloud, or Azure).

Strong familiarity in working with Unix-based systems (terminal, shells, editors, scripts, etc.).

Excellent problem-solving skills and ability to troubleshoot complex issues.

Minimum of a Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience).

Desired Qualifications:

Ability to communicate complex technical work, documentation and issues to non-technical stakeholders.

Experience working in teams using agile methodologies.

Knowledge of frontend technologies.

Understanding of microservices architecture.

Experience with other PHP frameworks (Symfony, CodeIgniter, etc.).

Previous exposure to message brokers (RabbitMQ, Kafka).

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