Lead Data Scientist (Big Data)


Ahrefs.com is one of the leading brands in the industry of tools for Search Engine Optimization. We run an internet-scale bot that crawls the whole Web 24/7, storing huge volumes of information to be indexed and structured in a timely fashion. On top of that we're building various analytical services for our customers to play with all this data.

Job role:

We're looking for someone, who is proficient in working with large amounts of data to extract all kinds of insights and regularities from it.

We're also building our own models of calculating the "power" of a web page and it's likelihood of ranking high in search results.


  • good knowledge in a wide variety of advanced data analysis and machine learning techniques, and experience in developing solutions in response to real-world business problems;
  • proficient with programming languages such as Python and R;
  • experience in scaling Machine Learning models related to Information Retrieval and/or Web Search in production is a huge plus.
  • experience in full stack data science is preferred
  • good knowledge with NLP, and experience with open source NLP library such as NLTK, Gensim, Spacy, Pytorch and etc.;
  • experience with mainstream big data platforms such as Spark and Hadoop;
  • experience in Tensorflow, Theano, or other deep learning frameworks preferred;
  • experience with Elasticsearch or similar DB, and ability to conduct independent research utilising large unstructured data sets;
  • visualisation using open source tools.

What you get:

  • Competitive salary
  • Informal and thriving atmosphere
  • First-class workplace equipment (hardware, tools)
  • Medical insurance
  • Modern office in CBD (with amazing view)
  • No dress code

How to apply:

  • Please send your applications to jobs@ahrefs.com
  • The subject of the email should be "Lead Data Scientist"
  • Please tell briefly about yourself and your past work experience.
  • Please specify which of our requirements you meet perfectly and which ones you're not very familiar with.


  • Remote
  • Singapore, modern office in CBD

Have questions?

Chat with usSend us an email to support@ahrefs.com