Senior Backend Engineer - Real-Time Pub/Sub, AI-Driven

Dex; United Kingdom; Remote; GBP 90,000 - 120,000; Full time

Job summary

Dex, in partnership with a planet-scale data infrastructure leader, is seeking a seasoned backend engineer to join the Pub/Sub team. You will own design, development and optimisation of core services with ultra-low latency and high availability.

You'll apply your experience with distributed systems and messaging at scale, coding in Node.js or Go, and using AI tooling to accelerate planning while maintaining rigorous quality.

Qualifications

• Extensive production experience with distributed systems and large-scale infrastructure.
• Proven track record with messaging queues or pub/sub at scale.
• Strong server-side coding in Node.js or Go and measurable performance focus.

Responsibilities

• Design, develop, and deploy core backend services with low latency and high availability.
• Drive new functionality and initiatives to scale the Pub/Sub platform.
• Ship features, implement performance improvements, and maintain planet-scale reliability.
• Leverage AI tools for rapid planning, prototyping, and iteration while owning quality.

Skills

Distributed systems

Pub/Sub systems

Node.js

Go

Performance analysis

AI tooling

Job description

Dex, in partnership with a planet-scale data infrastructure leader, is seeking a seasoned backend engineer to join the Pub/Sub team. You will own design, development and optimisation of core services with ultra-low latency and high availability.

You'll apply your experience with distributed systems and messaging at scale, coding in Node.js or Go, and using AI tooling to accelerate planning while maintaining rigorous quality.