Principal Software Engineer

Mission

Drive teams to expand and optimize technical vision, architecture, system design, development process of systems

Work with teams to answer consultations; furthermore, identify and prioritize tech debt and determine the best approach for resolving it.

Realize the vision through measurable gains in system scalability and efficiency.

Serve as a role model for junior engineers through mentoring and direct education.

 

Job Description

We are looking for a Principal Software Engineer to work on our various systems which need high scalability, reliability and availability. These challenges require creative thinking and a deep understanding of how software and platform work.

 

Our ideal candidate is an ace problem solver and a learner at heart. You should have a very high degree of comfort in a programming language of your choice. We offer a flexible work schedule and you get your choice of tools (both hardware and software) and most importantly, the opportunity to work on tough problems with the brightest minds around you. So, if challenges excite you, and you’re ready for a big one, let us know.

 

 

 

Responsibilities: 

 

Design, develop, test, deploy, maintain and improve software and core platform

Lead technical aspects for multiple projects through hands-on execution and guidance of other engineers

Provide architectural blueprints and technical leadership. 

Provides input and guidance during all phases of programs to solve challenging technical issues.

Build common platforms to support different business vertical application systems

Develop tools and contribute to open source wherever possible

Adopt problem-solving as a way of life – always go to the root cause!

 

 

Experience:

 

Solid foundation in designing, implementing, and maintaining a large-scale distributed system.

Experience in developing distributed platform systems such as Messaging Platforms, Pub/Sub Systems, Databases, Distributed Computing Frameworks, and Schedulers.

 

 

Tech Stack:

 

Our technology stack may vary based on project needs. Currently, we utilize:

 

Programming Languages: Java, Kotlin, Scala

Frameworks and Tools: Spring Boot, JUnit, Resilience4j, Feign

Databases: MySQL/AuroraDB, DynamoDB, ELK, Kafka, Redis, TiDB

Deployment and Orchestration: Docker, Kubernetes, ArgoCD, AWS, GCP

Development Tools: GitHub, IntelliJ, Gradle, Maven, npm/yarn, Flyway, Jenkins

Data Analytics: BigQuery, Kibana, Spark

Diagramming Tools: PlantUML, draw.io, miro.com

Communication: Slack, Zoom

 

 

Qualifications: 

 

Degree in Computer Engineering or Computer Science or 7+ years equivalent experience in software development

Strong fundamentals in data structure, algorithm, operating system and object-oriented programming

Deep understanding of concurrency, distributed computing, large-scale system, messaging and algorithm

Software development experience in one or more general-purpose programming languages

Interest and ability to learn new technology stacks as needed

 

 

Preferred Qualifications:

 

Experience in working for system development in finance, payment, or similar industries

Experience with AWS services

Contribute to open-source projects

Language ability in Japanese and English is a plus (We have a professional translator but it is nice to have language skills)

 

 

Portrait: 

 

Experience: Demonstrated experience designing and implementing large scale, high performance, micro-service based architectures utilizing new concepts and technologies where appropriate. 

Ownership: A mentoring approach to owning, managing and improving the technical aspects of a large scale system end to end. 

Communication: The ability to clearly and logically communicate your choice of technology and architectural decision based on its implementation strengths and limitations.

Commitment: As a professional, commit to the growth and business goals of the organization and create impactful results by your ownership.

Curiosity: Foster a development culture that explores new ideas knowing that we learn even from the ones that fail.

 

 

PayPay 5 senses

Please refer PayPay 5 senses to learn what we value at work.

 

 

Working Conditions 

Employment Status

Full Time

Office Location

WFA(Work From Anywhere at Anytime)  

Remote Job 

You can live anywhere in Japan 

Work Hours

Super Flex Time (No Core Time)

In principle, 10:00am-6:45pm (actual working hours: 7h45m + 1h break)

Holidays

Every Sat/Sun/National holidays (In Japan)/New Year’s break/Company-designated Special days

 

Paid leave

 

Annual leave (up to 14 days in the first year, granted proportionally according to the month of employment. Can be used from the date of hire)

Personal leave (5 days each year, granted proportionally according to the month of employment）

＊PayPay’s own special paid leave system, which can be used to attend to illnesses, injuries, hospital visits, etc., of the employee, family members, pets, etc.

Salary

Annual salary paid in 12 installments (monthly)

Based on skills, experience, and abilities

Reviewed once a year

Special Incentive once a year *Based on company performance and individual contribution and evaluation

Late overtime allowance, Work from anywhere allowance (JPY100,000)

 

※Payroll payment can be changed to digital salary payment “PayPay Paycheck” for an amount set by you

Benefits

Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)

401K

Translation/Interpretation support

VISA sponsor + Relocation support