{"componentChunkName":"component---src-templates-job-post-js","path":"/media_center/work_life/recruitment/job/7742390003","result":{"data":{"allGreenhouseJobPost":{"nodes":[{"title":"Global Strategic Accounts Sales Manager","location":{"name":"Tokyo, Japan"},"content":"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

About Paidy Inc.

\n
\n

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.

\n

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. 

\n

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.

\n

Paidy continues to innovate to make shopping easier and more fun both online and offline. For more information, please visit http://www.paidy.com. 

\n

PayPal has been revolutionizing commerce globally for more than 25 years. Creating innovative experiences that make moving money, selling, and shopping simple, personalized, and secure, PayPal empowers consumers and businesses in approximately 200 markets to join and thrive in the global economy.

\n

PayPal operates a global, two-sided network at scale that connects hundreds of millions of merchants and consumers. We help merchants and consumers connect, transact, and complete payments, whether they are online or in person. PayPal is more than a connection to third-party payment networks, providing proprietary payment solutions accepted by merchants that enable the completion of payments on our platform on behalf of our customers.

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Paidy has reached an agreement to join PayPal. This role will support both businesses in Japan.

\n
\n

About Position 

\n
\n

The Sales Strategy team is responsible for supporting field sales to acquire large-scale merchants, developing strategic business plans, and planning promotions to strengthen revenue and branding for Paidy services.

\n

This role involves identifying global merchants’ core challenges, considering how those challenges can be solved through payment solutions, and building win-win relationships with merchants through negotiations based on strategic initiatives.

\n
\n

Key Role and Responsibilities

\n
\n
    \n
  • Working with PayPal’s Global Merchants sales teams to gain access to decision makers for the Japan market
    • \n
  • Prospecting and proposal-based sales to Global merchants
    • \n
  • Supporting onboarding of Global merchants and expanding Paidy and PayPal business growth through issue resolution
    • \n
  • Building and managing a sales pipeline to achieve targets
    • \n
  • Expanding Paidy and PayPal business growth through problem-solving and identifying the opportunity for marketing initiatives for new and existing global merchants
    • \n
  • Maintaining appropriate communication with internal stakeholders and related departments
    • \n
  • B2B contract negotiations
    • \n
\n
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Skills and Requirements

\n
\n

Required qualifications

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    \n
  • Bachelor’s degree or equivalent knowledge
    • \n
  • Speaking, reading and writing English at a business level
    • \n
  • Ability to work in a matrix organization including heavy engagement with team members outside of Japan
    • \n
  • General awareness and knowledge of information security (personal data)
    • \n
  • Minimum of 10 years of sales experience, with a proven track record of building new businesses or customer portfolios
    • \n
  • Strong logical thinking skills, with the ability to accurately understand situations and explain them clearly
    • \n
  • Experience in problem-solving through hypothesis setting, solution development, execution, and systematization
    • \n
  • Strong communication skills to proactively build relationships with various stakeholders
    • \n
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Preferred Qualifications

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    \n
  • Speaking, reading and writing Japanese at a business level strongly desired
    • \n
  • Experience in IT, e-commerce, or payment-related fields
    • \n
  • Experience selling to global organizations
    • \n
  • Experience with common customer relationship management (CRM) tools like Salesforce or Pipedrive
    • \n
\n

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

\n\n

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.

\n
","greenhouseId":"7632802003","created_at":"2026-02-16T09:21:45.214Z","parent":{"__typename":"GreenhouseDepartment","id":"Greenhouse__Department__4051833003","name":"Strategy, Marketing & Operations Division"}},{"title":"Data Scientist - Data","location":{"name":"Tokyo, Japan"},"content":"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

About Paidy Inc.

\n
\n

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.

\n

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. 

\n

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.

\n

Paidy continues to innovate to make shopping easier and more fun both online and offline. For more information, please visit http://www.paidy.com. 

\n
\n

About Position 

\n
\n

 

\n

Your role: as a Senior Data Scientist in the team, you'll work on data science projects related to marketing, UX, product design, and financial planning, focused on helping the company make the right product improvements and strategic decisions for our customers and business bottom line. Your projects will make a direct impact, touching Paidy's consumers and merchants, driving business decisions for the future strategic direction of Paidy.

\n

Your role involves frequently consulting with business owners and executive team to understand a project/topic quickly, then proposing and delivering a solution to them and do so in a way that adds/enhances our department's assets in terms of feature engineering pipelines, predictive models, custom data marts, simulation/forecasting tools/algorithms, Scala Spark packages, and Looker model changes. If you want a hands-on fast-paced environment in a small team where you own something big and your data science solutions actually make a difference, consider joining us! 

\n

 

\n
\n

Skills and Requirements

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\n
    \n
  • More than 5 years of experience as a Data Scientist at technology, marketing, media, or entertainment companies solving related business problems as described above
    • \n
  • Experience extracting insights and engineering features from large datasets (clickstream data, app activity data, streaming service logs) using big data frameworks like Spark, Hive, Athena, BigQuery
    • \n
  • Experience working with a BI tool like Looker, Tableau. Looker dashboards are one of the main tools we use to deliver data science solutions.
    • \n
  • Experience developing predictive models applied to real-world business problems in technology industry; experience working with production ML pipelines with a managed service like Sagemaker is a plus
    • \n
  • Good foundational skills with statistics, experience designing, and evaluating experiments that aim to cause behavior change on some group of customers/users
    • \n
  • Experience building ETL pipelines with a job orchestration tool like Prefect, Airflow, Argo
    • \n
  • Experienced working with github and a staging-production development environment for ETL and ML pipelines
    • \n
  • Excellent command of SQL (understanding how to write performant queries on big partitioned tables) and Python
    • \n
\n
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What We Offer You

\n\n\n\n\n\n\n\n\n\n\n\n\n
\n
    \n
  • Diversified team with 230+ colleagues from 35+ countries
    • \n
  • Exciting work opportunities in a rapid-growing organization
    • \n
  • Cross-functional collaboration
    • \n
  • Hybrid remote work model - minimum 2 times in office per week (subject to change at company discretion)
    • \n
  • Competitive salary and benefits
    • \n
\n
\n

Paidy Values

\n
\n

Be a winner / 勝ちにこだわる

\n
    \n
  • Always seek to beat expectations. / 期待値を超える為に常に努力する。
    • \n
  • Display surprising speed and resourcefulness. / 人をスピードと機知で驚かす。
    • \n
  • Overcome weaknesses by leveraging the strength and help of others to win. / 仲間の強みを活かしたり協力を得ることで、自身の弱みや足りない点を克服する。
    • \n
\n

Own it and deliver, together / 共に結果を出す

\n
    \n
  • Fully support the final decision even if at times you may disagree. / たとえ意見が対立することがあったとしても、最終決定を全面的に受け入れ支持する。
    • \n
  • Acknowledge and gather the power of others, by communicating and collaborating with them. / 仲間の力を認めて活用し、積極的にコミュニケーションをとり、協力する。
    • \n
  • Show a will to own actions and go the extra mile without being asked. / 行動について強いオーナーシップを持ち、言われずとも業務を遂行しきる覚悟を持つ。
    • \n
\n

Be a valuable team member / 価値を認められるメンバーになる

\n
    \n
  • Strive to play an integral role. / 替えの効かない役割を果たす。
    • \n
  • Embrace and bridge differences in perspective, language, and culture. / 異なる意見・考え方、言語と文化の架け橋になる。
    • \n
  • Don’t compromise - raise the bar for yourself and others. / スタンダードを上げ続けることに妥協しない。
    • \n
\n
","greenhouseId":"7695947003","created_at":"2026-04-10T07:16:55.636Z","parent":{"__typename":"GreenhouseDepartment","id":"Greenhouse__Department__4051833003","name":"Strategy, Marketing & Operations Division"}},{"title":"Accountant","location":{"name":"Tokyo, Japan"},"content":"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

ペイディについて

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\n

Paidy合同会社は、日本において、業界をリードするあと払い（Buy Now Pay Later）サービス「ペイディ」を提供しています。社会に「信頼」を広め、すべての人が「夢に自信を持ち、心に余裕を持てる世界」を作ることがペイディの使命です。

\n

ペイディは、お買い物の「めんどくさい」を取り除くために日々取り組みを進めています。お客様はメールアドレスと携帯電話番号のみで簡単に決済が出来、ご利用になった金額は翌月まとめてお支払いいただくことが可能です。独自の機械学習モデルを活用し、わずか0.5秒で審査を実施、加盟店への支払いを保証しています。健全な取引を見極めながら、お客様のカゴ落ちを防ぎ、ご利用金額や頻度を向上させることで、加盟店の利益増加に貢献しています。

\n

なお、Paidy合同会社は、ペイパルによるPaidy全株式取得について合意しています。今後も、「ペイディ」ブランドのもと変わらず現在のビジネスを継続し、お客様および加盟店に便利で革新的なお買い物サービスを提供していきます。

\n

ペイディは、オンラインとオフライン双方においてお買い物をより簡単に、より便利にするために革新を続けています。より詳しい情報についてはPaidy.comを参照ください。 http://www.paidy.com. 

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本ポジションの勤務地はPaidyオフィス（東京）になります。

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ポジション概要

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\n

AccountantはFinance & Accounting本部に所属します。主に、月次/年次決算・監査・税金・買掛金管理に携わっていただきます。社内外の関係者とコミュニケーションを取ることが多いポジションです。買掛金管理に関しては、PayPalグループのAPチームとの密な連携が必要となります。

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\n

役割と責任範囲

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\n

Paidyはこれまで国内ベンチャーとして多くのユーザー様と加盟店様にご活用頂き、PayPalグループに加入後も継続して成長を遂げております。ダイバーシティ豊かな環境でチームの新たな仲間として、ベンチャー企業と外資系企業の両方の特徴を持つPaidyの現在の状況を楽しみ、会社の成長を経理の力で推進いただける方を探しています。

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​​経理・税務に関する実務

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・PaidyのPayPal報告目的としての月次・年次決算業務（USGAAP）

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・Paidyの会社法目的としての月次・年次決算業務（JGAAP）

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・PayPalグループの会計監査&SOX及びPaidy単体の会計監査対応

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・買掛金管理、経費精算

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・新規取引の会計、税務的な論点の検討

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・税務申告、納税、税務調査等への対応

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・プロセス改善

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\n

求められるスキルと要件

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求める人物像

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    \n
  • 問題解決能力と高いコミュニケーション能力
    • \n
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  • 社内外の関係者を巻き込み、オーナーシップを持って仕事を進められる
    • \n
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    \n
  • スピード感・正確性・責任感・セルフスターター
    • \n
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  • 少数精鋭のチームですので、迅速な対応や自己発信能力が重要となります。
    • \n
  • 物事を最後まで諦めずに粘り強く取り組むことができる
    • \n
\n

必須要件（Must have）

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    \n
  • 3年以上の実務経験（日系企業又は外資系企業における月次・年度決算業務の実務経験）
    • \n
  • 監査対応経験
    • \n
  • 税金申告業務経験
    • \n
  • 英語（ビジネスレベルの会話及び読み書き）
    • \n
  • 日本語（ビジネスレベルの会話及び読み書き）
    • \n
  • 商業簿記2級以上の知識
    • \n
\n

歓迎要件（Nice to have）

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    \n
  • SAP・Freee・Slackの利用経験
    • \n
  • 金融機関（クレジットカード会社含む）、Payment業界での実務経験
    • \n
  • 外資系企業における親会社とのインテグレーションの実務経験
    • \n
  • 少人数の部署での実務経験
    • \n
\n

選考の過程でPaidyアプリの利用体験についてお伺いする可能性がございます。ぜひダウンロードしてお試しください！

\n\n

本ポジションには日本での労働許可が必須となります

\n
\n

ポジションの魅力

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\n
    \n
  • 35ヶ国以上から集まる230人強の多様性に富んだチーム
    • \n
  • 急成長中の組織における刺激的な仕事
    • \n
  • 部門をまたいだコラボレーション機会
    • \n
  • ハイブリッド在宅勤務制度：最低週2回出社必須（会社の裁量により変更の可能性有）
    • \n
\n
","greenhouseId":"6615942003","created_at":"2025-06-20T00:46:00.796Z","parent":{"__typename":"GreenhouseDepartment","id":"Greenhouse__Department__4015374003","name":"Finance Division "}},{"title":"QA Engineer","location":{"name":"Tokyo, Japan"},"content":"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

About Paidy Inc.

\n
\n

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.

\n

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. 

\n

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.

\n

Paidy continues to innovate to make shopping easier and more fun both online and offline. For more information, please visit http://www.paidy.com.  

\n
\n

About Position 

\n
\n

Paidy is looking for a skilled Software QA Engineer committed to achieving high quality software products.

\n

You will be a member of Paidy’s QA Engineering Department, responsible for ensuring the quality of all of Paidy’s products through a combination of automated and manual tests of our apps, websites, APIs and backend platform. You will be working with stakeholders, developers, and teammates to help design and develop test plans and test strategies. 

\n

This is an excellent position for both mid-career and experienced QA Engineers who want to work in an international, fast paced environment using the latest technologies and putting their testing skills and knowledge to the limit.

\n
\n

Key Role and Responsibilities

\n
\n

This position reports to the head of the Quality Assurance Department and as a QA Engineer your primary responsibility will be to: 

\n
    \n
  • Create test plans to ensure new Paidy app and Web features are properly verified before release
    • \n
  • Ensure the Paidy Apps are defect free before every release
    • \n
  • Track application issues, interact with engineers in other departments to make sure issues are understood and corrected
    • \n
  • Participate in QA Department internal meetings to plan and prioritize test activities 
    • \n
  • Work along with highly-skilled and fast delivering Development Teams
    • \n
  • Constantly learn and suggest improvements within the Department
    • \n
\n

Our tech stack includes:

\n
    \n
  • Test Scripts and Software QA testing frameworks written in Python
    • \n
  • FrontEnd and BackEnd Testing Libraries and Frameworks such as Selenium, Appium, Pytest BDD.
    • \n
  • Circle CI + terraform provisioning and deployment
    • \n
\n
\n

Skills and Requirements

\n
\n

Qualifications/Must Have:

\n
    \n
  • At least 3 years experience in software testing as Software QA Engineer or SDET
    • \n
  • Knowledgeable on testing techniques, strategies and test design best practices
    • \n
  • Skilled with the Python programming language
    • \n
  • Experience building automated testing frameworks or writing automated tests
    • \n
  • Experience with non-functional testing, such as performance testing
    • \n
  • Great communication skills in order to work along with stakeholders to write test plans for acceptance and functional testing, both FrontEnd and BackEnd
    • \n
  • Experience working with developers in integrating automated tests into the CI/CD process
    • \n
  • Business-level or higher English (both reading and writing) 
    • \n
\n

The following are encouraged, but not required:

\n
    \n
  • Conversational fluency in Japanese
    • \n
  • Experience in the Fin-Tech or Financial industries
    • \n
\n

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

\n\n

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.

\n

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

\n
\n

What We Offer You

\n
\n
    \n
  • Diversified team with 230+ colleagues from 35+ countries
    • \n
  • Exciting work opportunities in a rapid-growing organization
    • \n
  • Cross-functional collaboration
    • \n
  • Hybrid remote work model - minimum 2 times in office per week (subject to change at company discretion)
    • \n
  • Competitive salary and benefits
    • \n
\n
\n

Paidy Values

\n
\n

Be a winner / 勝ちにこだわる

\n
    \n
  • Always seek to beat expectations. / 期待値を超える為に常に努力する。
    • \n
  • Display surprising speed and resourcefulness. / 人をスピードと機知で驚かす。
    • \n
  • Overcome weaknesses by leveraging the strength and help of others to win. / 仲間の強みを活かしたり協力を得ることで、自身の弱みや足りない点を克服する。
    • \n
\n

Own it and deliver, together / 共に結果を出す

\n
    \n
  • Fully support the final decision even if at times you may disagree. / たとえ意見が対立することがあったとしても、最終決定を全面的に受け入れ支持する。
    • \n
  • Acknowledge and gather the power of others, by communicating and collaborating with them. / 仲間の力を認めて活用し、積極的にコミュニケーションをとり、協力する。
    • \n
  • Show a will to own actions and go the extra mile without being asked. / 行動について強いオーナーシップを持ち、言われずとも業務を遂行しきる覚悟を持つ。
    • \n
\n

Be a valuable team member / 価値を認められるメンバーになる

\n
    \n
  • Strive to play an integral role. / 替えの効かない役割を果たす。
    • \n
  • Embrace and bridge differences in perspective, language, and culture. / 異なる意見・考え方、言語と文化の架け橋になる。
    • \n
  • Don’t compromise - raise the bar for yourself and others. / スタンダードを上げ続けることに妥協しない。
    • \n
\n
\n

 

","greenhouseId":"7592302003","created_at":"2026-01-15T05:31:05.707Z","parent":{"__typename":"GreenhouseDepartment","id":"Greenhouse__Department__4015377003","name":"Engineering / IT Division "}}]},"site":{"siteMetadata":{"title":"corp.paidy.com","ogImage":"/paidy_ogp_042025.png","twitterImage":"/paidy_ogp_042025.png","siteUrl":"https://corp.paidy.com"}}},"pageContext":{"greenhouseId":"7742390003","title":"AppSec & Mobile Cybersecurity Lead","location":"Tokyo, Japan","content":"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

About Paidy Inc.

\n
\n

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.

\n

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. 

\n

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.

\n

Paidy continues to innovate to make shopping easier and more fun both online and offline. For more information, please visit http://www.paidy.com. 

\n
\n

About the Position 

\n
\n

Cybersecurity is everyone’s responsibility, but our security team leads the charge on solving some of the most challenging and consequential problems facing our organization and industry. As a fintech company operating within a larger corporate group, we navigate a dynamic regulatory landscape while integrating our security program with our parent company’s broader initiatives.

\n

The AppSec & Mobile Cybersecurity Lead is responsible for designing, implementing, and scaling security across Paidy’s iOS and Android applications, mobile APIs, and backend services. This role hardens the systems that power our consumer and merchant experiences by embedding security into the software development lifecycle, building automation that scales with engineering velocity, and staying ahead of an evolving threat landscape that now includes AI-driven attacks and AI-generated fraud. The successful candidate will collaborate closely with mobile engineering, platform, and compliance teams, as well as external auditors and our parent company’s security teams.

\n
\n

Key Role & Responsibilities

\n
\n

Application & Mobile Security Architecture:

\n
    \n
  • Define and enforce application and mobile security standards across iOS/Android apps, mobile APIs, backend services, and the SDLC
    • \n
  • Lead AppSec and mobile security architecture, ensuring strong access controls, secure data handling, resilient client-server interactions, and appropriate platform-level protections
    • \n
  • Partner with mobile and backend engineering teams to design secure-by-default services that balance usability, fraud and abuse resistance, and privacy requirements
    • \n
  • Conduct threat modeling to proactively identify and mitigate risks across the mobile and application stack
    • \n
  • Own the design and security of REST and GraphQL APIs, with a solid command of the OAuth2 protocol and mobile authentication flows
    • \n
\n

CI/CD Security & Automation:

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  • Build and scale security testing within CI/CD pipelines: SAST, SCA, DAST, secrets scanning, container scanning, IaC checks, MAST, binary analysis, and SBOMs for mobile build infrastructure
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  • Integrate security gates into CircleCI and GitHub workflows, ensuring security findings are surfaced early and tracked to resolution
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  • Build custom security tooling to automate recurring security validation, coverage measurement, and control verification tasks
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  • Own container image and runtime scanning across mobile and application build infrastructure
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Vulnerability Management & Threat Landscape:

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  • Own the vulnerability management lifecycle for applications and mobile: triage SLAs, risk ratings, remediation guidance, verification, and recurring root-cause fixes through secure coding patterns and hardened libraries
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  • Monitor the mobile and application threat landscape (e.g. OWASP MASVS/MSTG, OWASP Top 10, API threats, and mobile fraud patterns) and translate intelligence into actionable engineering priorities
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  • Track and respond to emerging AI-era threats including LLM and agent supply chain attacks, prompt injection, model abuse in integrated AI features, and AI-generated fraud patterns targeting mobile payment flows
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  • Communicate vulnerability risk and remediation posture clearly to engineering teams and security leadership
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Compliance Support:

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  • Support audit and compliance programs including SOC 2 (Type 1 and Type 2), ISO 27001, the Japan Act on the Protection of Personal Information (APPI), and the Japan Installment Sales Act (割賦販売法)
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  • Provide AppSec and mobile security evidence, control mapping, and remediation tracking in support of internal and external audits led by the GRC & Cybersecurity Lead
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  • Develop and maintain secure coding standards and application security policies in collaboration with engineering and compliance stakeholders
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Engineering Enablement & AI-Augmented Tooling:

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  • Mentor engineering teams on secure design patterns, mobile hardening, and threat-aware development
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  • Build and maintain security automation using scripting, workflow tools, and AI coding tools including Claude Code to scale security coverage, reduce manual burden, and track KPI and KRI metrics
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  • Leverage AI-driven tooling to continuously validate security controls, detect regressions, and surface risk trends across the application and mobile estate
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  • Deliver security awareness and enablement programs tailored to mobile and application engineers
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Skills & Requirements

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Required Qualifications & Experience:

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  • 5+ years of experience in application security, mobile security, or DevSecOps with demonstrated technical depth
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  • Strong hands-on Android and iOS development and security hardening expertise
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  • Experience with end-to-end vulnerability management including SAST, SCA, and DAST tooling 
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  • Proven experience building security controls into CI/CD pipelines on AWS
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  • Experience with container scanning (image and runtime) and infrastructure as code security checks
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  • Solid understanding of the OAuth2 protocol and experience designing and securing REST and GraphQL APIs at scale
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  • Broad software development experience in one or more of: Rust, Scala, Python, Java, or equivalent modern languages
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  • Extensive experience with AWS cloud security across common services (API Gateway, Lambda, ECS, RDS, and related)
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  • Confidence with Docker and Terraform as development and infrastructure tools
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  • Hands-on experience using AI coding tools (e.g., Claude Code) to build or automate security workflows
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  • Effective communicator with a pragmatic approach to security — able to build strong relationships with engineering and business stakeholders
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  • Business-level English required; Japanese language ability is helpful but not required
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  • B.S. in Computer Science, Information Security, or a related field, or equivalent practical experience
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Desired Qualifications & Experience:

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  • Japanese language proficiency (JLPT 2 or above)
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  • Experience securing mobile payments or fintech applications in regulated environments
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  • Demonstrated history of building custom internal security tools, not only consuming commercial products
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  • Familiarity with the Japanese regulatory environment including APPI and the Installment Sales Act (割賦販売法)
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  • Prior experience defending mobile platforms at scale against fraud, abuse, and automated attacks
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The Paidy team will ask about your user experiences with the Paidy App during the interview. Please download the Paidy App and try it out!

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For those who are not able to download the 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.

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

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What We Offer You

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  • Diversified team with 230+ colleagues from 35+ countries
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  • Exciting work opportunities in a rapid-growing organization
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  • Cross-functional collaboration
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  • Hybrid remote work model - minimum 2 times in office per week (subject to change at company discretion)
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  • Competitive salary and benefits
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Paidy Values

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Be a winner / 勝ちにこだわる

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  • Always seek to beat expectations. / 期待値を超える為に常に努力する。
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  • Display surprising speed and resourcefulness. / 人をスピードと機知で驚かす。
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  • Overcome weaknesses by leveraging the strength and help of others to win. / 仲間の強みを活かしたり協力を得ることで、自身の弱みや足りない点を克服する。
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Own it and deliver, together / 共に結果を出す

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  • Fully support the final decision even if at times you may disagree. / たとえ意見が対立することがあったとしても、最終決定を全面的に受け入れ支持する。
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  • Acknowledge and gather the power of others, by communicating and collaborating with them. / 仲間の力を認めて活用し、積極的にコミュニケーションをとり、協力する。
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  • Show a will to own actions and go the extra mile without being asked. / 行動について強いオーナーシップを持ち、言われずとも業務を遂行しきる覚悟を持つ。
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Be a valuable team member / 価値を認められるメンバーになる

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  • Strive to play an integral role. / 替えの効かない役割を果たす。
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  • Embrace and bridge differences in perspective, language, and culture. / 異なる意見・考え方、言語と文化の架け橋になる。
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  • Don’t compromise - raise the bar for yourself and others. / スタンダードを上げ続けることに妥協しない。
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