PayPay is seeking a skilled Senior Backend Engineer (Tech Lead) to enhance our payment system, ensuring an optimal payment experience for our customers.
Responsibilities
- Design and develop large-scale systems to support high throughput applications with complex requirements.
- Utilize infrastructure effectively to address scalability challenges.
- Contribute to open source projects and develop tools to improve system efficiency.
- Embrace problem-solving as a core practice, focusing on root cause analysis and providing ongoing support for production code.
Requirements
- Proficiency in Java or equivalent programming languages (Scala, Python, Go).
- Eagerness to learn new languages and technologies as required.
- Experience with SQL and NoSQL databases, as well as distributed caching.
- Strong understanding of data structures, algorithms, and object-oriented programming principles.
- Knowledge of concurrency and distributed computing.
- Hands-on experience with RESTful APIs, Pub/Sub Systems, and Database Clients.
- Familiarity with microservices architecture.
- Previous involvement in designing and maintaining high-traffic systems.
- Bachelor’s degree in Computer Engineering, Computer Science, or equivalent experience in SaaS platform development (minimum 5 years).
Nice to haves
While not specifically required, tell us if you have any of the following.
- Previous experience in developing new products from inception.
- Ability to design systems compliant with legal and security standards, with strong leadership skills for requirement identification.
- Experience in improving system resilience and implementing disaster recovery strategies.
- Awareness of market trends and needs, prioritizing speed and quality through MVP approaches.
- Track record of delivering products within tight deadlines.
- Commitment to continuous product improvement post-launch.
- Strong cost-efficiency mindset with effective system cost analysis skills.
- Willingness to share experiences and foster a culture of learning and improvement.
- Experience in finance, payment, or related industries.
- Language proficiency in Japanese.
- Experience with AWS services.
Compensation
14 to 18 million JPY annually.
