This position is closed and is no longer accepting applications.

R&D Engineer

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

The Spider Labs’ research and development activities cover developing technology and insights that ensures Spider Labs stays relevant in the medium to long-term (3-10 years). This involves leading technology change that impacts the whole industry. The solutions developed saves our clients multiple millions of dollars in fraud and prevents abuse on their services.

As an R&D Engineer, you will be responsible for pushing the state of the art, conducting investigations, creating and validating prototypes, and developing technology that can be used in high-throughput real time web environments.


  • A degree (or equivalent experience) in Computer Science or equivalent
  • Experience in a role involving R&D, especially in a cyber security field
  • Comprehensive knowledge of network stacks, Operative systems and Browsers and web & mobile ecosystems
  • Experience intercepting traffic & reverse engineering; Experience in generating of indicators of compromise for use in detecting anomalous activities
  • Self-motivated, with the drive and initiative to carry out projects according to plan, and the ability to quickly adapt in a fast-changing business environment
  • Experience with network packet filtering / processing
  • Experience with Javascript runtime environment and implementation details that differ cross browsers
  • Advanced understanding of lower level programming in C, C++ or Rust
  • Advanced understanding of algorithms & operating systems

Nice to have

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

  • Previous experience in startup environments
  • Fraud or anomaly 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...

Related jobs

More jobs like this

I'll send you a digest of new English-friendly software developer jobs in Japan. Your email stays private, I don’t share or sell it.