About Paidy Inc.

Paidy is Japan's pioneer and leading BNPL service company. At Paidy, we believe in creating simple, instant experiences to take the hassle out of shopping with a touch of magic.

Paidy offers instant, monthly-consolidated credit to consumers by removing hassles from payment and purchase experiences. Paidy uses proprietary models and machine learning to underwrite transactions in seconds and guarantee payments to merchants. Paidy increases revenue for merchants by reducing the number of incomplete transactions, increasing conversion rates, boosting average order values, and facilitating repeat purchases from consumers. 

Paidy has reached an agreement to join PayPal, the global payments company. Paidy will continue to operate its existing business, maintain its brand and support a wide variety of consumer wallets and marketplaces by providing convenient and innovative services.

Paidy continues to innovate to make shopping easier and more fun both online and offline. For more information, please visit  

This position is based at the Paidy Office in Tokyo, Japan.

About Position 

We are looking for a passionate, innovative and dedicated software engineer who is ready to make an impact by accelerating growth in the number of Paidy users over the upcoming months. Showcase your entrepreneurial spirit

Key Role and Responsibilities

You will be responsible for developing and scaling our payments platform while meeting the highest standards in terms of security, maintainability and resilience to failure. You will meet regularly with the product team to align software delivery with business goals. With the help of your team members, you will come up with software design tradeoffs and communicate them clearly to other engineers as well as product team members to implement mutually agreed-upon solutions. You will also have the opportunity to work cross functionally in feature teams to deliver product features and services. In addition to regular deliverables expected of the engineering team, you are expected to follow and stay current with industry best practices -- such as writing automated tests and taking part in regular code reviews to ensure quality code at its highest possible standards. We look forward to meeting you

Skills and Requirements

Required Skills to have:

• Knowledge of one or more high-level statically-typed languages (i.e. Java, Scala, Haskell, Kotlin, Rust, C++, OCaml, C#, F#, etc), plus an interest in Functional Programming
• Knowledge of Git
• Quality code and testing: Legibly-written code that is easily understood by others
• Approaches debugging with a systematic approach
• Understands automated testing with a curiosity to suggest performance improvements
• Ability to understand code independently and make intelligent inferences to code in the broader context
• Understanding of software architecture and design with the ability to align the overall service architecture
• Basic understanding of security measures and how they may implicate the wider system
• Comfortable with knowledge sharing, working on a team and building relationships
• Shows interest in the organization's engineering strategy, product development strategy and how that aligns to the overall business strategy
• Ability to define task outlines and deliverables
• Demonstrates a sense of urgency when required
• Ability to manage some ambiguity and exercises good judgment when needed
• Ability to give and receive constructive feedback tactfully upstream and downstream
• Entrepreneurial spirit and eager to learn how to grow the business

Good to have:

• Preferably relevant experience in technologies and concepts that we use at Paidy: Scala, Cassandra, Kafka, Postgres, Functional Programming, REST API, microservices architecture, JSON, Avro, CI/CD, AWS, Fargate, Terraform, Git, Data streaming, ElasticSearch, Redis, Event Sourcing, unit/functional testing, cats, cats-effect, tagless final, CQRS, event sourcing.
• Understands cross-team interdependencies and work streams
• Ability to envision delivery roadmap and articulates this clearly for others to follow
• Builds relationships with stakeholders throughout the organization
• Understands product opportunities, differentiators and competition
• Knowledge of cloud computing platforms such as AWS
• Experience building distributed systems
• Experience working on a payment platform or other fintech field

We look forward to meeting the engineering genius in you

The Paidy team will ask about your user experiences with Paidy Apps during the interview. Please download the Paidy App and try it out

• iOS:
• Android:

For those who are not able to download Paidy App, due to the regional restrictions, please be advised that you download the similar App, such as Klarna, Afterpay, Affirm and so forth, and come up with your opinions on these applications and services.

Please note that you must be eligible to work in Japan.

What We Offer You

• Diversified team with 230+ colleagues from 30+ countries
• Exciting work opportunities in a rapid-growing organization
• Cross-functional collaboration
• Hybrid remote work model - minimum 2 times in office per week (subject to change at company discretion)
• Competitive salary and benefits