This position is closed and is no longer accepting applications.

Full Stack Developer

Spider Labs Minato-ku, Tokyo
  • 💴 No salary range given
  • 🏡 Partially remote
  • 🧪 Minimum years of experience unspecified
  • 💬 No Japanese required
  • 🌏 Apply from abroad
  • 🧳 Relocate to Japan

About Spider Labs

Spider Labs Minato-ku, Tokyo

Spider ‎‎AF is an ad fraud countermeasure tool. We support ad networks, advertisers, and agencies. We have many happy customers across the digital advertising industry.

Key benefits

  • Flexible, relaxed work environment
  • Diverse, international team
  • Family friendly

About the position

  • Collaborate with engineering teams to continue expanding and improving our dashboard in terms of both features and software quality.
  • Collaborate with engineering and customer success teams to investigate and resolve maintenance issues and integrate client feedback into our product.
  • Create new data structures and data processing workflows to support novel concepts according to business requirements.
  • Create web-based data access and editing workflows (CRUDS) from planning backend data flow to visually enabling such actions to users.
  • Create more complex data visualizations such as graphs and complex tables.
  • Contribute in other areas such as big data processing, ML models deployment, CI/CD and/or infrastructure related operations


  • 5-7 years of experience developing software with at least 3 years in web development with a framework using an MVC design pattern (e.g. Rails/Ruby, Phoenix/Elixir).
  • Experience with frontend technologies (e.g. HTML, CSS, LESS, etc), libraries (e.g. Bootstrap, Foundation, etc) and frameworks (e.g. VueJs, React, Angular, etc).
  • Desire to employ/learn the best software development practices to create readable, testable and maintainable software.
  • Conscious of potential security, scalability and maintainability issues while developing software so that these can be proactively prevented.
  • Understanding of technical constraints, development time and ability to adjust the approach accordingly.
  • Desire to work in a respectful, transparent, and collaborative work environment, following our company values, culture and ways of working

Nice to have

While not required, tell us if you have experience with any of the following.

  • Previous experience working with Elixir/Phoenix, Google BigQuery, or Kubernetes
  • Previous experience in startup environments
  • Fraud detection experience
  • Online and mobile advertisement knowledge

Meet Spider Labs's Developers

Eurico is the CTO of Spider Labs, whose ad fraud detection tool handles billions of requests and terabytes of data on a daily basis. The Elixir programming language has been instrumental in helping them reach this scale.

Read his story...

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