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# Senior Software Engineer (up to £100k)

- **Company:** Dex Technologies, Inc.
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Salary:** $100,000.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Software as a Service, Distributed Systems, Fault Tolerance, Node.Js, Rapid Prototyping Process, System Availability, Backend, Low Latency, Real Time Data, Software Coding
- **Published:** August 24, 2026
- **Apply:** https://arc.dev/remote-jobs/j/redirect/peccbvrv6y

## About the Role

* 5+ years of commercial experience building and operating distributed systems and large-scale infrastructure in production.
 * Proven experience with messaging queues or pub/sub systems at significant scale.
 * Extensive hands-on coding experience in Go or Node.js, with a preference for Go.
 * A track record of self-starting, making independent technical decisions, and navigating ambiguity in complex environments.
 * You use AI tools to accelerate development, but your judgment and rigour define the quality bar.

## Description

This company builds the core infrastructure for real-time messaging, powering billions of messages daily across millions of devices. They're a Series B company, backed by leading investors, tackling planet-scale distributed systems problems at the edge. This isn't just another SaaS application; it's the foundational layer for real-time data.

You'll join the Pub/Sub team, the technical backbone of the entire platform. This is a hands-on Senior Software Engineer role, focused on designing and optimising backend services for extreme low latency, high availability, and scalability. This isn't a role for managing others or just integrating APIs; it's for a deep technical contributor who thrives on owning critical distributed systems problems from design to deployment, with an AI-first approach that still demands human rigour.

The work

 * Design, develop, and deploy core backend services for a planet-scale edge messaging platform.
 * Optimise systems for extreme low latency, high availability, and fault tolerance, handling billions of messages daily.
 * Drive new features and initiatives to scale and improve the Pub/Sub platform, from concept to production.
 * Tackle complex distributed systems challenges, ensuring reliability and performance for millions of devices.
 * Leverage AI tooling for rapid prototyping and iteration, while maintaining full ownership and accountability for technical decisions and quality.


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