Job Description

Ahrefs is looking for a backend developer with deep understanding of networks, distributed systems, OS fundamentals and taste for simple and efficient architectural designs.

In this role, be prepared to deal with petabytes of live data, a highly-optimized custom storage engine and Linux on a daily basis.

Basic Requirements:

• Proficiency in C++, including C++20
• Working experience with linux system-level programming
• Understanding of OS inner workings
• Experience optimizing code for speed and memory
• Knowledge of OCaml is a plus

The ideal candidate is expected to:

• Independently deal with bugs, schedule tasks and investigate code
• Make well-reasoned technical choices and take responsibility for them
• Understand the whole technology stack at all levels: from network and user-space code to OS internals and hardware
• Handle full development cycle of a single component i.e. formalize task, write code and tests, setup and support production (DevOps), assure data correctness and quality
• Approach problems with a practical mindset and suppress perfectionism when time is a priority
• Write flexible, maintainable code and adapt to post-launch requirements/tweaks

These requirements stem naturally from our approach to development with fast feedback cycle, highly-focused personal areas of responsibility and strong tendency to vertical component splitting.

Who We Are

Ahrefs runs 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. Our backend system is powered by a custom petabyte-scale distributed key-value storage to accommodate all that data coming in at high speed. With this data, Ahrefs builds analytics services for end-users in the Search Engine Optimization (SEO) space, and is looking to build a web-scale search engine with profit share model for creators.

We are a lean and robust team who strongly believe that better technology leads to better solutions for real-world problems. We worship functional languages and static typing, extensively employ code generation and meta-programming, value code clarity and predictability, and are constantly seeking to automate repetitive tasks and eliminate boilerplate, guided by DRY and following KISS. If there is any new technology that will make our life easier – no doubt, we’ll give it a try. We rely heavily on opensource code (as the only viable way to build maintainable system) and contribute back, see e.g. .

Our motto is “first do it, then do it right, then do it better”.

Ahrefs does not engage with agencies or third party recruitment solutions for the roles we hire for. If at any point we need help, we’ll let you know!

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