Backend Software Engineer - Distributed Systems

Client Server Limited; England; Hybrid; GBP 100,000 - 120,000; Full time

Benefits offered by this job

28 days annual leave

Enhanced maternity and parental leave

Your choice of kit and home-station

Personal learning and development预算

BUPA Health Insurance + dental costs

Pension, Life Assurance, Income Pro‑ta

Fully paid one month sabbatical at 5+年

Gym subsidies, Cycle to work scheme

Job summary

Client Server Limited in the United Kingdom is seeking a Backend Software Engineer to design and build distributed, real-time messaging systems using Go and Node.js. You will contribute to a scalable platform powering developers and businesses worldwide.

This role offers remote or hybrid work from London area with equity and a competitive package; you’ll work on Pub/Sub, event-driven architectures, and AI-enabled infrastructure while owning architecture and code quality, collaborating across

Qualifications

• Strong backend development with Go, Node.js or similar
• Experience building or operating distributed systems and messaging platforms
• Understanding of scalability, concurrency, performance optimization and fault-tolerant design
• Comfortable working autonomously in fast-paced environments

Responsibilities

• Design and build core messaging platform for real-time infrastructure
• Work on highly scalable distributed systems, low-latency messaging and Pub/Sub services
• Contribute to state synchronization and next-gen AI communication infrastructure
• Own architecture, code quality and technical decision-making

Skills

Go

Node.js

Distributed systems

Event-driven architectures

Kafka

RabbitMQ

NATS

Cloud infrastructure

Job description

Backend Software Engineer (Go / Node.js Distributed Systems) Remote / Hybrid to £120k + Equity

Are you an experienced Backend Software Engineer who enjoys building distributed systems, real-time infrastructure and solving complex scalability challenges?

You could be progressing your career at a high growth technology company whose messaging platform powers millions of real-time interactions for developers and businesses worldwide.

Your role:

As a Backend Software Engineer, you'll join the team responsible for the core messaging platform that underpins the company's real-time infrastructure. Working on highly scalable distributed systems, you'll design and build new platform capabilities, improve performance and reliability and solve complex engineering problems at scale.

You'll contribute across low latency messaging, Pub/Sub services, state synchronisation and next generation AI communication infrastructure, delivering production grade software used by developers around the globe.

Working in an AI first engineering environment, you'll leverage modern AI tools to accelerate development while retaining full ownership of architecture, code quality and technical decision-making.

Location / WFH:

You can work from most of the time, collaborating via Slack and meeting up with the team at the dog friendly office in North London for tech talks, lunch and learn events etc. around once a month.

About You

• You have strong backend development experience with Go, Node.js or another modern server-side language
• You have experience building or operating distributed systems, messaging platforms, event-driven architectures or streaming technologies
• You understand scalability, concurrency, performance optimisation and fault tolerant system design
• You enjoy solving complex technical challenges and delivering high quality, production ready software
• You're comfortable working autonomously in a fast-paced engineering environment
• You embrace modern AI development tools while maintaining a strong focus on engineering quality
• Experience with Pub/Sub platforms, Kafka, RabbitMQ, NATS, streaming systems, developer platforms or cloud infrastructure would be highly advantageous

What's in it for you:

As a Backend Software Engineer will earn a competitive salary package including:

• Salary to £120k
• 28 days annual leave
• Enhanced maternity and parental leave packages
• Your choice of kit and home-station set up
• Personal learning and development budget (£1000 p/a + 5% time to work on your own projects)
• BUPA Health Insurance + dental costs + mental health and wellness
• Pension, Life Assurance, Income Protection
• Fully paid one month sabbatical at five years' service
• Gym subsidies, Cycle to work scheme and more

Backend Software Engineer - Distributed Systems London, England