PayPay Securities
Backend Engineer
Location
Remote
Remote
On-site / hybrid
Visa
Not specified
Language
Japanese: Not Required / English: Business Level
Posted
Sep 8, 2025
Python
Scala
Go
PHP
MySQL
Apply now
Review the role details and submit your application.
Gallery
Overview
Main Responsibilities
Develop and operate the Backend Application system for PayPay Securities product (PHP/Java, SpringBoot, MySQL/AuroraDB)
Design large scale systems with high complexity to support our high throughput applications
Understand how to leverage infrastructure for solving such large scale problems
Develop tools and contribute to open source wherever possible
Adopt problem solving as a way of life – always go to root cause!
Required Skills
- 3-5 experience in developing Backend Application for company products
- Experience in using Java/PHP under professional environment, or if you are non-Java user, excellent skills in generalized programming languages, such as Scala, Python and Go
- Interest and ability to learn other coding languages as needed
- Experience with NoSQL databases and distributed cache
- Strong fundamentals in data structures, algorithms and object oriented programming
- In-depth understanding of concurrency and distributed computing
- Degree in Computer Engineering or Computer Science or 5+ years equivalent experience in SaaS platform development
- Business level in either English or Japanese (JLPT N1)
Preferred Skills
- Experience with implementing platform components such as RESTful APIs, Pub/Sub Systems, Database Clients
- Experience with AWS services
- Experience in system design, development of web system which handles massive amount of transactions or requires scalability
- Experience with Microservices
- Experience in working for system development in securities, finance, or similar industries
- Experience in developing inhouse Product/Service
Quick Facts
CompanyPayPay Securities
LocationRemote
RemoteOn-site / hybrid
VisaNot specified
LanguageJapanese: Not Required / English: Business Level
Interested in this role?
Submit your application for this role at PayPay Securities.