Zeals Full Stack Engineer

• What you'll Need
• Technical Environment
• Preferred Experience
• What makes you stand out
• Team & Culture
• Interview Process
• Now is the time to take your code to the world

• 募集背景
• 仕事内容
• 応募条件

• 募集背景
• 仕事内容
• 応募条件

Career Opportunity for a Full stack Engineer in Japan! 

■ Full stack Engineer 

■ Company Overview

With the aim of enhancing the potential of working people through AI technology, we leverage cutting-edge AI technology to drive research and development both domestically and internationally. We focus particularly on the development of AI agents, providing innovative products and solutions that utilize large language models (LLM). This enables us to improve productivity and operational efficiency across various industries.

■ Your Role and Responsibilities 

●As a Full-Stack Engineer, you will join our development team to lead the evolution of our AI products.

●Design and develop products leveraging Large Language Models (LLM).

●Lead projects to integrate multiple APIs and create new APIs.

●Perform design and implementation with a focus on performance and maintainability.

●Develop frontend applications using TypeScript and Next.js.

■ Experience and Qualifications

Tech Stack

Languages: Python (for framework development), TypeScript / React / Next.js (for frontend development) / NX

Infrastructure: GCP (containers / Kubernetes), Docker

Tools: Slack, Confluence, Linear, Google Workspace, GitHub, Notion

Work Environment: Mac (Apple Silicon), dual monitors available

●3+ years of experience in web application development using modern frameworks.

●2+ years of experience in server-side implementation.

●Proficiency in at least one backend language (e.g., Python, Java).

●Experience with cloud services (AWS, GCP, Azure) and understanding of container technologies (Docker, Kubernetes).

●Fluency in English and/or Japanese (business level or higher in at least one language).

■ Additional Preferred Qualifications
●Experience in developing SaaS web applications.

●Experience in designing and building large-scale, complex architectures.

●Basic understanding and interest in Generative AI.

●Ability to stay updated on the latest technology trends and share knowledge within the organization.

■ Good Reasons to Join

● Work with International team members

● Hybrid working environment

■ Work Location

Tokyo, Japan

Details will be provided during the meeting.

Career Opportunity for a Full stack Engineer in Japan! 

■ Full stack Engineer 

■ Company Overview

We combine AI and conversation design expertise, provides brands the ability to easily create and integrate automated chat experiences, transforming post, story, or ad into personalized interactive experiences. 

■ Your Role and Responsibilities 

●Your main responsibility will be development and maintenance of Affiliate system understanding both business demand and available system assets.

●Involved in the whole process of web application development life cycle: architecture design, middleware selection, development, configuration setting, release and system operation.

●In case of trouble, detecting root cause and recovering with team members proactively with ownership of service/system.

●Proposing new technologies, middle-wares, tools etc. to improve architecture of systems.

■ Experience and Qualifications

●9+ years building production software systems

●5+ years building scalable backend services in production environments with Go, plus working knowledge of Ruby on Rails. Equivalent experience with other backend technologies (Python, C#, Node.js, etc.) will also be considered

●3+ years building modern web applications with React or Vue

●Experience with distributed systems design and microservices architecture

●Global state management in complex frontend applications

●Production database optimization and query performance tuning

●CI/CD pipeline design and automated testing strategies

Technical Environment

Backend: Go microservices with Rails BFF layer

Frontend: React with TypeScript

Data: PostgreSQL with Redis caching

Infrastructure: Cloud-native deployment with container orchestration

Development: GitHub-based workflows with automated deployment

■ Additional Preferred Qualifications
●Engineers who understand that chatbots suck and want to build something that actually works

●Full-stack developers who can cross frontend/backend boundaries and autonomously drive product growth

●Builders with curiosity and drive to immediately implement new AI/LLM technologies into products

●Engineers who thrive on startup speed and can push beyond limits

●Familiar with cloud platforms such as GCP, AWS and Azure.

■ Good Reasons to Join

● Full remote position within Japan

● Work with International team members

■ Work Location

Tokyo, Japan

Details will be provided during the meeting.

Career Opportunity for a Frontend Engineer in Japan! 

■ Frontend 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 

●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.

●Support architecture improvements

●Triage, debug, and resolve product issues.

■ Experience and Qualifications

●Frontend web application:

-Main implementation is in Nuxt 3 (Vue.js 3, TypeScript)

-Storybook is used for component visualization and UI testing

-Form validation is handled by Vee-validate

-Google Analytics is used for product reporting

-Web application are deployed on AWS ECS, in a Docker container

●Coding environment: GitHub, Visual Code

●Documentation & Project management: Confluence, Miro, JIRA

●At least 3 years of industry experience developing secure web frontend applications in JavaScript and/or TypeScript.

●At least 1 year of industry experience with VueJS (preferred), or React.

●Software engineering best practices and computer science knowledge.

■ Additional Preferred Qualifications
●Experience with Frontend performance monitoring and optimization.

●Experience with designing server side RESTful APIs.

●Experience with web hosting infrastructure such as CDNs.

●Knowledge in web components and/or island architecture.

●Experience in a multicultural environment

■ Good Reasons to Join

● Full remote work environment within Japan

● Work with International team members

● No Japanese proficiency is needed

■ Work Location

Tokyo, Japan

Details will be provided during the meeting.

Career Opportunity for a QA Manager in Japan! 

■ QA Manager 

■ Company Overview

A fintech company has grown rapidly and is widely used as a payment platform by about half of smartphone users in Japan. It also offers simple, everyday investment services through a mobile app, making asset management easy and accessible. As part of a larger group, the company is rapidly improving its products and driving the adoption of cashless payments and digital financial services in Japan. It is looking for professionals who are proactive, collaborative, and passionate about creating new value.

■ Your Role and Responsibilities 

●QA Manager, you will be collaborating with engineers, designers and QAs, and working in an environment where you can be one of the founding members to build up a new organization within company

Highlights of the opportunity

●Be part of the team to build up a new organization and environment

●Develop skills in making business plans from a high perspective, through the high-level coordination with departments and affiliated companies to support the top management’s decision

●Leading weekly release test cycles as QAM, including test planning, test execution, test progress control, test result analyze/issue triage and reporting for QA Functional and Non-Functional tests.

●Leading Roadmap Projects, responsible for product STLC, create Test Plan, define Test Scope, track status for test progress, and ensure software quality.

●Prepare test data, tools, and environment needed for test execution

●Report found defects, track status of reported defects, and verify fixes

●Design, create and review test cases based on specifications by closely collaborating with QA Engineers

■ Experience and Qualifications

●3-5 years of QA Lead / QA Manager experience (5+ years of QA Engineer/Tester experience)

●Ability to understand and analyze technical specifications. Experience in test planning, defining necessary test scope for designing and creating test cases

●Strong knowledge of QA methodology and QA tools, such as ALM, TestRail, TestLink, QASymphony, Zephyr etc.

●Familiar with test automation process and tools, such as Appium, Selenium, UFT, Load Runner, Cucumber etc.

●Strong organizational and problem solving skills with attention to detail

●Have excellent verbal communication skills and documentation skills

●Business level in Japanese (Native Japanese speaker Or JLPT N1 equivalent)

■ Additional Preferred Qualifications
●Experience in working on QA in securities & finance 

●Experience in testing mobile applications (Android and iOS)

●ISTQB or equivalent certificate

●Experience in working under a fast-paced development environment in IT/Web industry (experience of Agile development is a plus)

●Experience in developing the standardization of QA process and methodology, and/or proposing improvement in QA processes

●Experience in proposing and introducing new QA tools in the test process

●Experience in carrying out projects by collaborating with other teams and external vendor partners

■ Good Reasons to Join

● Full remote work environment within Japan

● Work with International team members

● Native Japanese speaker Or JLPT N1 equivalent

■ Work Location

Tokyo, Japan

Details will be provided during the meeting.