PayPay

👥 1001-5000💰 $67.4m on 2020-10-12Internet Mobile Payments Finance FinTech

PayPay is an online payment app that allows users to make transactions up to a certain limit per payment and per month. It offers a grant rate for payments made with credit cards other than Yahoo! Card.

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🔥 Frontend Engineer

Posted 2024-10-09

📍 Japan

🧭 Full-Time

🔍 FinTech

At least 3 years of industry experience developing secure web frontend applications in JavaScript and/or other transpile-to-JavaScript languages.
At least 1 year of industry experience with VueJS (preferred), or React.
Software engineering best practices and computer science knowledge.
Business level of English.

We are looking for a web frontend engineer to join PayPay.
You will be building features that change how people in Japan use and manage their finances and business.
Work with Product Managers, Designers and various tech teams to implement features.
Contribute to the team by sharing knowledge, participating in code reviews, and providing feedback to uphold and ensure best practices.
Triage, debug, and resolve product issues.

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Posted 2024-10-09

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🔥 Senior Backend Engineer

Posted 2024-09-20

📍 Japan

🧭 Full-Time

🔍 FinTech

Excellent skills in Java, or any other generalized programming language, such as Scala, Python, or Go.
Interest and ability to learn other coding languages as needed.
Experience with SQL and NoSQL databases, along with distributed cache.
Strong fundamentals in data structures, algorithms and object oriented programming.
In-depth understanding of concurrency and distributed computing.
Experience implementing platform components such as RESTful APIs, Pub/Sub Systems, and Database Clients.
Experience with microservices.
Experience designing high traffic systems.
Degree in Computer Engineering or Computer Science or 5+ years equivalent experience in SaaS platform development.

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 the root cause! Support the code you write in production.
Participate in code reviews to maintain high quality code standards and ensure security/data protection measures.
Support team members by providing technical guidance and design directions.
Constantly identify performance improvements and optimize the application for maximum speed and scalability.
Collaborate with product managers and other stakeholders to gather requirements and deliver features on time.

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Posted 2024-09-20

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🔥 Senior Product Designer(UX/UI) / シニアプロダクトデザイナー(UX/UI)

Posted 2024-09-13

📍 Japan

🧭 Full-Time

🔍 FinTech

More than 6 years of hands-on professional experience in mobile app (iOS/Android) or mobile web UX/UI design.
Experience in UX/UI design using Figma and Adobe.
Hands-on experience in product release, effectiveness measurement, and product improvement.
Business conversation level in Japanese or English.
Experience in using PayPay application.

Commit to the business by designing a high-level UX strategy based on a deep understanding of PayPay's strategy and KGI/KPI, and a comprehensive decision to balance profit and UX.
Communicate closely with other roles such as product managers and engineers, as well as stakeholders, and make decisions based on a wide perspective of PayPay's overall UX, not as a single function of the UX.
Team management, quality control, and training junior to middle level designers.

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Posted 2024-09-13

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🔥 Automation QA Engineer

Posted 2024-09-10

📍 Japan

🧭 Full-Time

🔍 FinTech

Minimum 3 or more years of experience in running and maintaining automated test cases for mobile apps, web apps, or APIs.
Professional experience in using one of the following frameworks/tools: Appium for mobile apps, Selenium for web-based apps, or unirest/Rest Assured for APIs.
Well versed in using Cucumber for all test cases.
Familiar with Continuous Integration and Continuous Development tools like Jenkins/Bitrise.

Utilizes Testing Methodology to analyze testing requirements to develop scenarios.
Designs test cases to demonstrate conformance to functional and non-functional requirements.
Executes tasks related to the production of test cases, scripts, and data.
Analyzes testing results and recommends solutions.
Participates in testing discussions and improves testing collateral through lessons learned.
Performs assigned work and is accountable for own tasks.

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Posted 2024-09-10

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🔥 Data Engineer, Credit Modeling

Posted 2024-08-23

📍 Japan

🧭 Full-Time

🔍 FinTech

3+ years experience building complex data pipelines and working with both technical and business stakeholders.
Experience in at least one primary programming language (Java, Scala, Python) and SQL.
Experience with BigQuery, Spark, AWS Redshift, Kafka, or Kinesis streaming.
Experience creating and maintaining ETL processes.
Experience designing, building, and operating a DataLake or Data Warehouse.
Experience with DBMS and SQL tuning.
Strong fundamentals in big data and machine learning.

Design, build, and maintain distributed batch and real-time data pipelines and data models.
Facilitate real-life actionable use cases leveraging data with a user- and product-oriented mindset.
Support teams without data engineers with decentralized data solutions and product integrations, such as those involving DynamoDB.
Enforce privacy and security standards by design.

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Posted 2024-08-23

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🔥 Machine Learning Engineer, Credit Modeling

Posted 2024-08-22

📍 Japan

🧭 Full-Time

💸 100000 - 120000 JPY per year

🔍 FinTech

3+ years of professional experience in developing and implementing credit ML models or systems within the banking or FinTech industry.
Educational background in Computer Science, Engineering, Mathematics, or related field.
Good understanding of supervised and unsupervised learning, deep learning, reinforcement learning, and ensemble methods.
Proficiency in Python, PostgreSQL, Java/Scala.
Strong knowledge of database management systems (MySQL, PostgreSQL), data wrangling, feature engineering, ETL processes, and SQL databases.
Familiarity with Apache Spark.
Experience with Docker, Kubernetes, and cloud platforms (AWS preferred). Knowledge of MLOps practices.
Expertise in TensorFlow, PyTorch, Keras, scikit-learn, and XGBoost.
Proficiency with Jupyter Notebooks, Git, Jenkins, Apache Spark, and Hadoop.

Design and implement credit ML models and systems, ensuring robust and scalable solutions.
Develop end-to-end ML pipelines for credit modeling, including data collection, preprocessing, model training, and deployment.
Collaborate with data scientists and software engineers to integrate ML models into production environments.
Utilize cloud platforms (AWS preferred) to scale ML solutions, manage resources, and optimize costs.

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Posted 2024-08-22

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🔥 Employee Referral

Posted 2024-08-19

📍 Japan

🔍 FinTech

To apply via this program, applicants must provide the name of the referring employee.
The referred employee may need to confirm the referral after the application is completed.
The application form must be filled out by the applicants only.

At PayPay, applicants must apply based on referrals from current employees.
Candidates who resonate with PayPay's work values are encouraged to apply.
The hiring team will review applications and connect with the applicants shortly.

Posted 2024-08-19

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🔥 Senior Data Scientist, Credit Modeling

Posted 2024-08-19

📍 Japan

🧭 Full-Time

🔍 FinTech

8+ years of software engineering experience and a proven track record of successfully architecting and taking ML systems to production.
Designed and built multiple complex, scalable, high throughput, low latency streaming/batch processing machine learning pipelines for both data flows and algorithm execution.
Ability to explain and present analyses and machine learning concepts to a broad technical audience.
Have an extreme bias towards action with a 'Get Things Done' attitude.
Ability to maintain high-performance within a high-energy and fast-paced work environment.
Master's degree or equivalent in Computer Science, Engineering, Mathematics, or a related field.
Working knowledge of PyTorch, TensorFlow, or other similar frameworks is a plus.
Working experience of AWS SageMaker, Google Vertex is a plus.

Drive a roadmap that applies Machine Learning technologies to content discovery, engagement, recommendation, prediction, risk underwriting, etc.
Work with the leadership team to identify opportunities for using ML and drive solutioning in areas of Credit.
Collaborate with stakeholders to showcase the benefits of your system and promote product adoption.
Design scalable and deployable machine learning solutions.
Define performance and validation metrics and coach the team to achieve these.
Introduce and own the process of model building and the infrastructure behind it.

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Posted 2024-08-19

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🔥 Principal Software Engineer

Posted 2024-08-07

📍 Japan

🧭 Full-Time

🔍 FinTech

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 algorithms.
Software development experience in one or more general-purpose programming languages.
Interest and ability to learn new technology stacks as needed.

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.
Provide 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.

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Posted 2024-08-07

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