求人票 - EZO CONSULTING GROUP株式会社 HRBP候補

PPCD Backend Engineer (V4)

• About PayPay Card
• Job Description
  •  
  • Main Responsibilities
  •  
  • Tech Stack
  •  
  • Required Qualifications
  •  
  • Preferred Qualifications
• Working Conditions
  • Employment Status
  • Office Location
  • Work Hours
  • Holidays
  • Paid leave
  • Salary
  • Benefits

Career Opportunity for a Senior Backend Engineer in Japan!

■ Senior Backend Engineer 

■ Company Overview

With over millions of active users worldwide, the platform is a leading messenger, while also maintaining a strong presence in many countries. Guided by the mission to create an exceptional life platform that delivers an excellent experience, it is dedicated to transforming the digital landscape through services spanning chat messaging, entertainment, fintech, lifestyle offerings, and more.

■ Your Role and Responsibilities 

●Develop and operate services in both Kotlin and Perl environments. While promoting new development using Kotlin, facilitate migration from Perl to Kotlin as needed when modifying existing features.

●Lead the development of back-end services for user-facing features.

●Design architectures that enhance efficiency and flexibility.

●Design and develop services that maintain high standards of availability, reliability, and fault tolerance.

●Support team members in software implementation and operational best practices.

●Collaborate with other teams and actively participate in code reviews and design reviews to support high-quality implementation.

■ Experience and Qualifications

● 5+ years of server-side application development experience.

● Experience and skills in issue handling and incident response.

● Knowledge of and experience using scalable data storage technology such as MySQL.

● Fundamental computer science knowledge.

● Product and Service Development: Kotlin, Ktor

● Observability: Prometheus, Grafana, OpenSearch

● Storage: MySQL

● Infrastructure: Container(Kubernetes), VM/PM on Private Cloud.

● Infrastructure as Code, CI/CD, Configuration repository: ArgoCD, GitHub Actions

■ Additional Preferred Qualifications
● JVM application tuning and monitoring.

● Development experience with Kotlin

● Experience in the coaching, management and/or leadership of a technical team.

● Kubernetes-based application development.

■ Good Reasons to Join

● Hybrid position in Japan

● Work with International team members

■ Work Location

Tokyo, Japan

Details will be provided during the meeting.

Career Opportunity for a Platform Engineer in Japan!

■ Platform Engineer 

■ Company Overview

A leading FinTech organization, cashless payments in Japan, offering innovative and convenient credit services integrated with a major digital payment platform. 

■ Your Role and Responsibilities 

This role will be responsible for the engineering of Cloud Infrastructure Platforms to provide robust, reliable and cost-efficient Platform so that we can deliver the best experience for our growing customers base.

Main Responsibilities

●Architect and build a robust, scalable and stable infrastructure

●Architect and build Infrastructure that is easily maintainable during patching and upgrades

●Architect and build Infrastructure with AWS regional level failure tolerance

●Work together with our Security Engineers to provision a secure Infrastructure

●Automations for AWS Deployments to ensure fast delivery of Cloud Services to our developers

●Provide through Automations means for developers to easily deploy resources on AWS.

Tech Stack

AWS: VPC, EC2, ECS, EKS, Lambda, Cloudfront, MWAA, RDS, ElastiCache, DynamoDB, Opensearch, S3, CloudWatch, Cognito, SQS, KMS, Secret Manager, KMS, MSK, CodeCommit, CodeBuild, CodeDeploy, CodePipeline, CloudFormation and other services Terraform, Github Actions, Prometheus, Grafana, Dynatrace, Atlantis, ArgoCD, OpenTelemetry

■ Experience and Qualifications

●More than 5 years of technical experience in Cloud based Infrastructure Platform

●Ability to demonstrate high degree of ownership in a Production environment

●Good understanding of Cloud security best practices and payment industry compliance standards

●Expertise in designing, building and troubleshooting large-scale streaming and distributed systems using Kafka.

●Expertise in building Robust platforms based on NoSQL/KVS datastores like DynamoDB, Opensearch/ Elasticsearch and Redis.

●Experience in Cloud infrastructure and platform systems availability, performance and cost management

●Extensive technical hands-on experience of Computing, Storage and Analytical Services on Cloud(AWS)

●Experience with IAC tools in AWS such as Terraform, CloudFormation, CDK

●Experience with Cloud Services Monitoring, Detection and Response

●Experience in Cloud Services Performance Tuning, cost controls and management

●Experience in Cloud Infrastructure Service patching and upgrades

Skills required:

●Python

●ShellScripting

●Go/ Rust (optional)

■ Additional Preferred Qualifications
●Experience with other cloud service providers (e.g GCP, Azure)

●Experience with Kubernetes (CKA, CKAD or CKS)

●Experience with Event-Driven Architecture (Kafka preferred)

●Experience using and contributing to Open Source tools

●Experience in managing IT compliance and security risk

●Bilingual in English and Japanese is nice to have, but not required. Proficiency in either language is fine.

■ Good Reasons to Join

● Hybrid remote position within Japan

■ Work Location

Tokyo, Japan

Details will be provided during the meeting.

Career Opportunity for a Senior Manager QA  in Japan!

■ Senior Manager QA  

■ Company Overview

An e-commerce, fintech, digital content and communications company with more than 30,000 employees, and operations in 30 countries and regions.

■ Your Role and Responsibilities 

●We are not just looking for someone to 'manage testing', we are seeking a leader who can maximize business growth through technical innovation, such as driving test automation using AI and elevating the engineering capabilities of the entire organization.

●We are currently in a pivotal phase of redefining what QA means. Together with our 120 team members, let’s build world-class quality assurance.

You will lead a global team of about 120 people (mostly full-time employees) with many nationalities and backgrounds.

As a “manager of managers” leading about 10 managers, you will have these broad responsibilities:

- Create and execute org strategy:

Formulating mid- to long-term QA roadmaps and optimizing resources for an organization of 120 members

- People management:

Develop and grow managers (mentoring/coaching) and build the next generation of leaders

- Driving AI-powered QA:

Introduce AI tools and the latest automation tech to teams, and lead QA process efficiency improvements

- Stakeholder management:

Aligned QA strategies with business requirements through close collaboration with development leadership

- Global Governance:

Cultivating a unified culture across cross-border teams (Japan/China) and establishing global QA standards

●Managers and QA leads who have experience leading QA organizations at global tech companies

●Test engineers who used to manage large projects at SI/system integrator companies and then moved into Agile/DevOps ways of working

●Specialists with deep expertise in test automation and SDET (Software Engineer in Test), who have improved and transformed organizations through technology

Development Tools

- Test automation: Playwright, Appium

- CI/CD: Jenkins

- AI/tools: AI an internally built test management tool

- Collaboration: Jira, Confluence

■ Experience and Qualifications

●Large-team management experience: Experience managing a team of 20+ people, or 5+ years of experience managing managers (a “manager of managers” role)

●Global communication: Business-level communication skills in English 

●Change management: A track record of improving and transforming an organization by not sticking to old processes and by adopting new technologies (like AI) and new ways of working

■ Additional Preferred Qualifications
●Experience doing QA for a large e-commerce or travel service

●Experience in architecting test automation frameworks from scratch, as well as driving large-scale modernization of existing systems

●Deep QA expertise: 10+ years of experience creating and running QA strategies based on software testing theory (like ISTQB)

●At least 6 years of experience in system test management, including planning, test design, test implementation, and quality assessment for both manual and automated system tests

●At least 5 years of experience leading multiple projects simultaneously in QA or development

●Business level communication in Japanese

■ Good Reasons to Join

● Hybrid position in Japan

● Work with International team members

■ Work Location

Tokyo, Japan

Details will be provided during the meeting.

Career Opportunity for a Product Manager in Japan!

■ Product Manager (Needs Japanese and English proficiency)

■ Company Overview

An e-commerce, fintech, digital content and communications company with more than 30,000 employees, and operations in 30 countries and regions.

■ Your Role and Responsibilities 

●We are seeking a Product Manager to lead the development of new business foundation and AI-driven applications. You will be expected to translate deep operational insights into product solutions, bridging the gap between business needs and engineering possibilities.

●You will serve as a Product Manager responsible for product planning, problem definition, requirements gathering, development, and continuous improvement within the back-office domain. You will be expected to gain a deep understanding of business operations and collaborate with diverse stakeholders—including business units, engineers, and QA teams—to drive business transformation and operational efficiency through our products.

1) Product Ownership

●Lead the planning, development, and promotion of BPM solutions and AI-driven applications.

●Define roadmaps and prioritize backlogs based on business goals and operational strategies.

2) Requirements Analysis

●Identify "true" pain points through stakeholder interviews and operational observation.

●Analyze process data to identify bottlenecks and translate them into system requirements.

3) Solution Planning & Development

●Collaborate with engineering teams to balance technical feasibility with business value.

●Lead the implementation of generative AI and workflow automation features.

4) Stakeholder Management

●Act as a bridge between operational departments and engineering teams.

●Manage complex stakeholder relationships and report on progress, risks, and ROI to leadership.

5) Effectiveness & Improvement

●Monitor KPIs post-release and drive continuous improvements based on data and user feedback.

■ Experience and Qualifications

●3+ years of experience in product management or equivalent roles.

●Proven experience in gathering requirements, defining specifications, and identifying problems based on user/stakeholder feedback.

●Experience in translating business challenges into actionable solutions and driving projects forward.

●Experience collaborating with engineering teams to launch and develop products.

●Strong foundation in product planning and project management.

●Excellent communication skills and the ability to collaborate effectively across technical and non-technical teams.

●Strong problem-solving skills and the ability to structure complex business processes.

●Proactive and collaborative mindset with a focus on self-driven problem identification.

■ Additional Preferred Qualifications
●Experience in developing enterprise products 

●Experience in planning and implementing products utilizing AI, Machine Learning, or Generative AI.

●Experience with data analysis (SQL, BI tools, etc.), KPI design, and effectiveness verification.

●Product management experience in E-commerce platforms or B2B SaaS.

●Experience in improving productivity through business process analysis.

●Ability to translate complex business requirements into technical specifications.

●Experience in resource and progress management for projects.

■ Good Reasons to Join

● Hybrid position in Japan

● Work with International team members

● Business-level proficiency or above in both Japanese and English

■ Work Location

Tokyo, Japan

Details will be provided during the meeting.

Career Opportunity for a Java Software Engineer  in Japan!

■ Java Software Engineer 

■ Company Overview

An e-commerce, fintech, digital content and communications company with more than 30,000 employees, and operations in 30 countries and regions.

■ Your Role and Responsibilities 

This Department builds and operates the mission-critical systems that power these logistics services. Every package delivered to a customer depends on the reliability and performance of the platforms we develop. As a software engineer on our team, you’ll solve challenging distributed systems problems while building highly available backend services that support millions of customers and merchants across e-commerce platform.

●Build mission-critical systems that directly support one of Japan’s largest e-commerce platforms.

●Design and develop highly scalable backend services.

●Solve challenging distributed systems and performance problems.

●Work with modern cloud-native technologies.

●Influence technical design and architecture.

●Collaborate with experienced engineers across multiple platform teams.

●Take ownership of services from design through production operations.

<Responsibilities>

●Design, develop, and maintain scalable backend services using Java.

●Design reliable and highly available distributed systems.

●Improve system performance, scalability, and operational efficiency.

●Collaborate with platform and framework teams to improve developer productivity.

●Participate in architecture discussions and technical design reviews.

●Monitor production systems and contribute to incident response and continuous improvement.

●Write clean, maintainable, well-tested production code.

●Contribute to engineering best practices.

■ Experience and Qualifications

● More than 6 years of professional Java development experience.

●Deep expertise in Java, Micronaut, and modern backend development.

●Proven track record designing and delivering production-grade RESTful APIs and/or gRPC services

●Proven experience designing, building, and operating microservice architectures at scale.

●Proven production experience designing event-driven systems with Kafka, including partitioning strategies, consumer group management, and failure handling.

●Deep experience building and operating scalable, highly available distributed systems.

●Hands-on production experience with reactive programming (Reactor, RxJava, etc.)

●Experience diagnosing and resolving distributed systems failures in production.

●Production experience deploying, scaling, and operating services on Kubernetes.

●Experience developing cloud-native applications on Kubernetes and private cloud platforms; AWS exposure is a plus.

●Experience with CI/CD pipelines and Git.

●Experience with capacity planning and performance tuning at scale.

●Strong understanding of software architecture principles and design patterns.

●Experience leading technical design reviews and making architectural decisions.

●Deep experience with relational and NoSQL databases (MySQL, Oracle, or Couchbase), including query optimization, schema design, and performance tuning.

<Development Environment>

●Java

●Kotlin (Gradle scripts and tooling)

●Micronaut

●Kubernetes

●Docker

●Kafka

●gRPC / Protocol Buffers

●REST APIs

●MySQL / Oracle / Couchbase

●Redis

●Gradle

●Git

●CI/CD (Jenkins)

●Elastic / Kibana

■ Additional Preferred Qualifications
● Experience working in Agile/Scrum teams.

●Experience with monitoring and observability tools such as Elastic/Kibana, Prometheus, or Grafana.

●Experience working on large-scale, high-traffic, mission-critical backend systems.

●Experience working in a globally distributed engineering team.

●Comfort working with AI-powered developer tools (coding assistants, internal chatbots, etc.).

●Excellent problem-solving and communication skills.

■ Good Reasons to Join

● Hybrid position in Japan

● Work with International team members

■ Work Location

Tokyo, Japan

Details will be provided during the meeting.

PPCD Senior Backend Engineer (V4)

• About PayPay Card
• Job Description
  •  
  • Main Responsibilities
  •  
  • Tech Stack
  •  
  • Required Qualifications
  • Preferred Qualifications
• Working Conditions
  • Employment Status
  • Office Location
  • Work Hours
  • Holidays
  • Paid leave
  • Salary
  • Benefits