Staff Engineer - Backend Technologies (10-12 yrs)

Department Overview :

Marketing Cloud Platform Department (MCPD)'s mission is to lead Rakuten's marketing related products strategy, execute product development and implementation.

We empower Rakuten internal marketing teams by building engaging, respectful and cost-efficient marketing platforms that put our customer at the center. Our main advantage comes from our ability to leverage the Rakuten Ecosystem. We provide marketing solutions such as marketing campaign management, multichannel communication and personalization.

As a 200+ experts across Japan, India and Singapore, we are proud to be a technology organization, and we share our knowledge across the Rakuten Tech community.

Job Description :

Position Overview :

- We are seeking a highly skilled and experienced Staff Engineer to to join our engineering team. The ideal candidate will possess deep expertise in Java, advanced Java, and microservices architecture, with strong skills in system design, low-level design (LLD), and database scaling.

- You will play a pivotal role in shaping our technology stack, ensuring high availability and scalability, and mentoring junior engineers.

- A key focus will be on leveraging Kubernetes for container orchestration and driving technical excellence across the organization.

- As a Staff Engineer, you will be responsible for hands-on and overseeing the development and delivery of our MCPD products, ensuring the highest standards of quality, performance, and reliability.

Key Responsibilities :

- Architect and Design Systems: Lead the design and development of highly scalable and resilient microservices-based systems, providing both high-level architecture (HLD) and detailed low-level designs (LLD).

- Code Reviews and Best Practices: Drive engineering best practices through code reviews, design discussions, and collaboration with cross-functional teams.

- Database Scaling: Design and optimize databases to support high transaction volumes, ensuring efficient scaling and performance tuning for production environments.

- Microservices Development: Build, deploy, and manage microservices using modern technologies and frameworks, ensuring smooth operation in distributed environments.

- System Ownership: Take full ownership of features or systems from conception to production, ensuring they meet reliability, performance, and security standards.

- Kubernetes & Cloud-Native Architecture: Leverage Kubernetes for deploying, scaling, and managing containerized applications, ensuring seamless orchestration in cloud environments.

- Mentorship and Leadership: Mentor junior engineers and contribute to their professional growth through knowledge sharing, coaching, and promoting a culture of continuous improvement.

- Collaboration: Work closely with product managers, architects, and other engineering teams to translate business requirements into technical solutions.

- Innovation and R&D: Stay updated with the latest technology trends and evaluate new tools, frameworks, and methodologies to ensure the team is leveraging cutting-edge solutions.

Qualifications :

- Bachelor's or master's degree in computer science, Engineering, or a related field.

- 10+ years of experience in software development, with expertise in Java and advanced Java concepts.

- Proven experience with microservices architecture, including hands-on experience building and maintaining distributed systems.

- Strong understanding of system design and ability to create high-availability, high-performance applications.

- Experience with low-level design (LLD), providing detailed design solutions for complex problems.

- Deep knowledge of database scaling techniques, such as partitioning, sharding, and replication.

- Proficient in Kubernetes for container orchestration, including production experience with large-scale deployments.

- Knowledge of messaging systems (Kafka, RabbitMQ).

- Familiarity with cloud platforms (AWS, GCP, Azure) and modern DevOps practices.

Preferred Skills :

- Experience with other languages such as Python, Go, or Node.js.

- Familiarity with AIOps, observability, and monitoring tools.

Mandatory Skills :

- Java, Microservice, System Design, Low Level Design, High Level Design

"Rakuten is committed to cultivating and preserving a culture of inclusion and connectedness. We are able to grow and learn better together with a diverse team and inclusive workforce. The collective sum of the individual differences, life experiences, knowledge, innovation, self-expression, and talent that our employees invest in their work represents not only part of our culture, but our reputation and Rakuten's achievement as well. In recruiting for our team, we welcome the unique contributions that you can bring in terms of their education, opinions, culture, ethnicity, race, sex, gender identity and expression, nation of origin, age, languages spoken, veteran's status, color, religion, disability, sexual orientation, and beliefs."