Software Engineer, Pub/Sub

Overview

Ably is hiring a Software Engineer for the Pub/Sub team to help build the core backend infrastructure that powers its edge messaging platform at a large scale. This role focuses on designing and improving the systems that support realtime digital experiences for developers and their users globally.

Requirements

Applicants should have a strong interest in or direct experience with distributed systems and large-scale infrastructure, alongside experience building or working with messaging queues, pub/sub systems, or streaming systems at scale. Candidates need extensive experience with a high-level server-side language, with Node.js or Go preferred, as well as the ability to self-start and navigate ambiguity. The position calls for a practical approach to AI tooling, a collaborative and transparent mindset, and adaptability suited for dynamic, early-stage environments. Bonus qualifications include prior experience building developer-first products or working within product-led growth models.

What you get

The position offers a remote-first and flexible work environment across the United Kingdom and Europe, alongside access to a London office located next to Old Street. Employees participate in company get-togethers twice a year in February and August, where attendance in person is expected.