TypeScrypt fullstack  Engineer

6日前

Tokyo G Talent
★Full Stack Lead | AI+Marketing

Japanese:
Business Level Required

◆ Famous Venture Company
◆ Flextime & Fully Remote Work
◆ In-house Products/Services
◆ Global Team
◆ Annual salary: 7 million yen - 11 million yen

【About the company】

The company provides a communication platform that leverages LINE to bridge the gap between businesses and their customers. They offer specialized solutions across a broad range of industries, including human resources, education, and real estate.


By placing their proprietary product at the core of their strategy, the company helps clients optimize communication to drive revenue growth and reduce operational costs.

Currently, they are heavily focused on accelerating feature development and further enhancing their support ecosystem.

【 Job Description】

The company provides a high-traffic, enterprise-grade SaaS used daily by major corporations. We are currently seeking core members to join our rapidly growing startup environment. This is a unique opportunity to personally refine a product and directly enhance the user experience.

You will be expected to take ownership of a wide range of advanced technical challenges, including:
・System Optimization:
Optimizing architectures to handle high-traffic demands.
・AI Integration:
Designing and developing new features powered by Artificial Intelligence.
・Infrastructure Improvement:
Enhancing real-time processing foundations.

In this position, you will work alongside lead engineers to drive development that directly impacts product growth. You will also have the opportunity to participate in technical decision-making and the establishment of engineering standards.

・Multicultural Environment:
You will collaborate within a bilingual team, sharpening your professional skills in a global development setting.
・Impact:

This is a highly rewarding role where you are expected to contribute proactively not just to code, but to the overall growth of the team and the product.

【Responsibilities】
As a Full-Stack Development Engineer, you will play a central role within the development team.

You will be responsible for balancing the stability of the current platform with the creation of new value through the following tasks:

・Stabilizing Content Delivery Infrastructure:
Develop and maintain a robust infrastructure that ensures stable content delivery, even for enterprise clients with massive user bases
・New Feature Development:

Execute the development of new features based on the product roadmap to continuously enhance the overall value of the product.

・Customer-Driven Feature Development:

Identify and develop highly versatile features by prioritizing specific requests gathered through Customer Success activities that align with market needs.

■About the Product
This product is a communication platform that utilizes one of Japan's largest platforms as its integration foundation.

By facilitating customer retention from websites, delivering individually optimized messages through data utilization, providing one-on-one customer support, and integrating with other systems, the platform comprehensively solves corporate marketing challenges and maximizes results.

Its core strength lies in its ability to provide seamless, end-to-end support for the entire customer journey, from initial acquisition to building long-term brand loyalty.

What you can gain in this position
・Experience in building scalable systems and implementing AI technologies
・Collaboration skills within a global development team
・Practical experience in personally driving product growth

Tech Stack

  • Mico Engage AI

Web Backend:
TypeScript (NestJS), Go, Elixir

  • Web Frontend: TypeScript ), Chakra UI
  • Databases: TiDB, Aurora MySQL, DynamoDB, MemoryDB for Redis
  • Common Infrastructure: AWS (Cognito, EC2, ECS, Route53, Lambda, Kinesis Data Stream, Kinesis Firehose, SQS, SES, ElastiCache, RDS, CloudWatch, IAM, Audit, API Gateway, CodeDeploy), IaC (Terraform, AWS CDK)
  • Middleware: Nginx, Supervisor
  • Monitoring: NewRelic, Sentry, AWS (CloudWatch)
  • Data Analysis: BigQuery, Google Data Studio, Google Analytics, Metabase, Trocco
  • Environment Setup: Docker
  • CI: GitHub Actions, Amplify Hosting
  • CDN: CloudFront
  • Source Code Management: GitHub
  • Communication: Google Meet, Slack, Notion, Redmine, Jira, ClickUp
【 Requirements】

Requirements

  • 5+ years of handson system development experience
  • Development experience using TypeScript and React
  • Experience as a fullstack engineer (frontend and backend expertise)
  • Ability to independently complete the entire development cycle from specification to release
  • 2+ years of code review experience
  • Ability to implement test code to improve quality
  • Experience making technology decisions (comprehensively evaluating technical requirements, cost, and operability to make decisions)
  • Businesslevel Japanese proficiency
  • 2+ years of experience leading development as a technical lead (teams of 5+ members)
  • Experience designing REST APIs
Preferred Experiences

  • Development experience with Go
  • Experience designing domaindriven or clean architecture
  • Experience developing gRPC APIs
  • Ability to efficiently leverage AI to improve development speed and quality. Also, ability to organize and share knowledge on effective AI usage.
  • Development experience with
  • Experience building CI/CD pipelines
  • Infrastructure setup experience (AWSrelated, Docker, etc.)
  • Businesslevel English proficiency
Ideal Applicants

  • Drive forward through ambiguity and undefined states with curiosity and initiative
  • Balance technical decisions between shortterm effort and longterm value
  • Rapidly iterate through hypothesis testing and learn from failures
  • Set high standards through code and reviews, inspiring the team
  • Identify product challenges and see them through to completion
  • Collaborate with multinational members and openly share knowledge
【Welfare】
・Transportation allowance (bicycle commuting permitted)
・Company-issued laptop provided
・Company-issued mobile phone provided ※For certain positions only
・Flexible start time system (may apply every 2 months)
・Social insurance (Health Insurance, Employees' Pension Insurance, Employment Insurance, Workers' Accident Compensation Insurance)
・Life and health support leave
・Health checkup costs covered
・Childbirth and childcare support system
・Club activities

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