# OCaml Developer

**Company:** [Ahrefs](https://hotfix.jobs/companies/ahrefs)
**Location:** Cambridge, MA, Palo Alto, CA, Tokyo, Japan
**Role:** Backend Engineering
**Skills:** Ocaml, C++, Linux, Distributed Systems, Networking, Operating Systems, Os Internals, Hardware, Software Testing
**Posted:** 2026-08-06

> Backend developer building and operating large-scale components primarily in OCaml, with responsibility spanning architecture, systems programming, testing, and production support. Requires strong knowledge of networks, distributed systems, operating systems, and OCaml.

## Job Description

## Responsibilities
- Independently investigate and resolve bugs, schedule tasks, and investigate code.
- Make well-reasoned technical decisions and take responsibility for them.
- Understand the full technology stack, from networks and user-space code through OS internals and hardware.
- Own the full development lifecycle of components: formalize tasks, write code and tests, set up and support production, and resolve user requests.
- Write flexible, maintainable code and adapt to post-launch requirements.
- Work with large-scale live data, OCaml, and Linux.

## Requirements
- Proficiency in OCaml.
- Deep understanding of networks, distributed systems, and operating-system fundamentals.
- Ability to design simple and efficient architectures.
- Ability to work independently and take ownership of technical decisions.

## Nice-to-haves
- Knowledge of C++.

## Compensation and Benefits
- Competitive compensation package.
- Above-average perks and fringe benefits.
- First-class workplace hardware and software.

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