Mico

Senior Fullstack Engineer (Mico Message)

Japan (Hybrid)RemotePosted Today¥7,000,000 – ¥7,000,000

Full TimeSeniorRemoteJP

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Job Description

Mico Message is Mico’s AI-native customer engagement platform. Through messaging automation, real-time communication, and AI-powered interactions, we develop systems that build meaningful relationship

Key Highlights

Enjoy solving complex technical and product challenges while balancing speed and long-term maintainability
Communicate effectively with both technical and non-technical stakeholders
Work independently while collaborating in a distributed, remote-first environment
Take meaningful ownership of system architecture and product direction
Contribute proactively to engineering culture and technical standards

Qualifications

Required Qualifications

5+ years of professional software engineering experience
Experience working in Agile and Scrum development environments
Business-level proficiency in both Japanese and English
Strong full-stack web application development experience
Experience with frontend technologies such as React, Vue.js, or Next.js
Experience with backend technologies such as Node.js, Python, Elixir, Ruby, or PHP
Experience designing scalable APIs and backend systems
Deep understanding of software architecture, system design, and technical trade-offs
Experience with relational databases such as PostgreSQL or MySQL
Experience owning production systems in live environments
Experience mentoring engineers and leading technical initiatives
Excellent communication, debugging, collaboration, and problem-solving skills
Ability to thrive in ambiguous environments and proactively drive projects forward

Preferred Qualifications

Experience with statically typed languages, including TypeScript or Python type hints
Experience using gRPC and Protocol Buffers
Experience with Elixir/Phoenix or functional programming
Experience building scalable SaaS platforms
Understanding of conversational AI and LLM-powered applications
Experience designing event-driven architectures and distributed systems
Experience collaborating closely with Infrastructure or DevOps teams
Experience improving engineering processes and development workflows
Experience working in fast-growing startups
Interest in AI-assisted software development workflows

Skills & Technologies

AgileScrumReactVueNext.jsNode.jsPythonElixirRubyPHPPostgreSQLMySQLTypeScriptgRPC

About the Company

Mico

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Job Details

Employment Type

Full Time

Experience Level

Senior

Salary Range

¥7,000,000 – ¥7,000,000

Location

Japan (Hybrid)

Work Mode

Remote

Posted

Today

Country