Tech Lead - Android Engineer

  • Remote OK - Anywhere in Japan
  • Full-time
  • November 12, 2023
Apply from Japan Only
No relocation to Japan
(No visa sponsorship from overseas)
Language Requirements
Japanese: Conversational
English: Business Level
Minimum Experience
Mid-level or above

What we do

Our team consists of many engineers who pursue " cutting-edge technology" to develop brand new services (iOS/Android apps and web services). We have both planning and technical expertise, and we take charge of everything from planning to the development of creative projects using O2O, machine learning recommendations, video streaming, and other technologies.

In a nutshell

You will be responsible for developing new web services and smartphone apps that are not yet available in the world and lead the delivery of these services as well as the full lifecycle development phase, taking into account quality and efficiency in development.

As a Tech Lead, You will be involved not only in coding, but also in design and technology segmentation, providing best-practice recommendations to the client.

Tech Stack

  • Frontend: TypeScript, Javascript 
  • Backend: Golang, Ruby, Node.js, Java, PHP 
  • Mobile: Flutter, Kotlin, Swift 
  • Frameworks: React, Vue.js, Node.js, Ruby on rails, Laravel, Spring boot 
  • Public cloud: AWS, Azure, GCP 
  • Database: RDB, NoSQL 
  • Project management: JIRA, Confluence, Backlog, Redmine 
  • Code management: Github 
  • Communication tools: Slack, Zoom 
  • Design tools: Figma, Adobe XD, Zeplin, Sketch

What makes us stand out

  • Develop products from scratch (0-1) opportunities 
  • We have delivered more than 2200 projects 
  • A wide range of technology including MaaS/ Fin Tech/ IoT/ AI/VR 
  • A Diverse team 
  • As a global tech company, we share our knowledge across the world for the best practice. 
  • Full flex working hours 
  • You can work from anywhere in Japan 
  • We offer a variety of career paths based on your goal 


  • At least 3 years of working experience in Android applications development in Kotlin.
  • Application development and operating in modern architectures such as Rxkotlin, MVVM, etc.
  • Japanese conversational skills 

Nice to have

  • Flutter (Dart) or Kotlin application development experience
  • Familiarity with development environments such as CI and/or test automation and demonstrated experience in implementing improvements to these environments
  • Firebase (A/B Testing / App Distribution / Remote Config / Dynamic Links) experience
  • Familiarity with UnitTest
  • Object-oriented design, API design, data structures, fundamental algorithm knowledge
  • Business English skills
  • Strong teamwork skills
  • Development direction experience
  • Experience in development with overseas offshore teams

Monstarlab’s mission is to “Empower talent everywhere to engineer awesome products, services and ecosystems; building a brighter world for us all”. We provide solutions for a variety of our clients coming from different industries.

We have worked on more than 2200 projects and we need more members for our business/ service expansion.

We align with our clients to provide solutions for their success in business.

We are looking for candidates who are ambitious to learn the latest technologies and solve the challenges our clients have.

View Monstarlab's company page

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Tech Lead - Android Engineer at Monstarlab
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