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Backend Engineer / バックエンドエンジニア at PayPay Securities in 日本 | Swiftcruit
PayPay is a FinTech company that has surpassed 70 million users (as of July 2025) in 7 years since its launch in 2018, is rapidly expanding its business scale as a payment platform used by approximately one out of every two smartphone users in Japan.
PayPay Securities Corporation provides a unique and familiar asset management service that anyone can easily use in their daily lives as a specialized smartphone brokerage firm that can be used through PayPay.
As a member of the PayPay Group, we are refining our products at an overwhelming speed that no other company can imitate, and we will promote the spread of cashless payments in Japan and the financial life platform that uses them at a dash. We are looking for people who are passionate about these things as professionals, who can identify issues on their own, and who can work together with others to create new value.
※ Please note that you cannot apply or be selected in parallel with PayPay Corporation, PayPay Card Corporation and PayPay Securities Corporation.
PayPay Securities, as an important part of PayPay’s financial ecosystem, has launched “Point Management” with over 20 million users and “PayPay Asset Management, the first initiative in Japan that enables asset management on a payment application. Now that the business foundation of the financial ecosystem is finally in place, we intend to expand our business to change the structure of asset management in Japan, with the main target being those who have not yet started asset management or were not interested in it before.
To achieve our goal, PayPay Securities is preparing to bring in technical talents not only from Japan but also globally, just as we have done with PayPay’s product division. As a Backend Engineer, you will be collaborating with engineers, designers and QAs, and working in an environment where you can be one of the founding members to build up a new organization within PayPay Securities.
Be part of the team to build up a new organization and environment
Develop skills in making business plans from a high perspective, through the high-level coordination with departments and affiliated companies within PayPay Group to support the top management’s decision
Gain experience in a company that aiming to be the pioneer in the market to provide a brand new Mobile Securities services, which never had before during the era of Financial reformation
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)
Hybrid Workstyle (flexible working style including Remote and office) ※There are no fixed rules regarding office attendance in Product group; it depends on each individual's discretion.
Work Hours
Super Flex Time (No Core Time)
In principle, 9:00am-5:45pm + 1h break (actual working hours: 7h45m + 1h break)
Holidays
Every Sat/Sun/National holidays (In Japan)
Summer break (2 days / generally taken between July 1st and September 30th / subject to change depending on month of employment)
Year-end and New Year holidays (12/31-1/3)
Paid leave
Annual paid leave (1 to 10 days depending on the month of joining will be granted upon employment date)
Salary
Annual salary paid in 12 installments (monthly)
Based on skills, experience and abilities
Review once a year
Overtime allowance, Late overtime allowance, Commuting and transportation expenses, Work style support allowance
Benefits
Social Insurances (Health insurance, Employee pension, Employment insurance and Industrial accident compensation insurance)
