Lead Software Engineer - Performance & Reliability (AWS)

Signify Technology; Greater London; On-site; GBP 70,000 - 100,000; Full time

Job summary

A prominent technology firm in Greater London is seeking a hands-on Lead Software Engineer specializing in performance, scalability, and reliability for critical platforms. This role includes defining standards, leading strategies, and shaping technical direction. Ideal candidates should have expertise in full-stack development, strong knowledge of AWS, and experience with performance testing tools. If you enjoy solving complex system challenges and want to drive real business outcomes, apply now.

Qualifications

• Expert in full-stack, performance, and reliability engineering.
• Proven development experience with Node OR Python architecting and building performant systems.
• Strong knowledge of cloud architecture and how design choices impact throughput, latency, and scaling.
• Hands-on experience with performance testing tools.
• Comfortable influencing architectural decisions with evidence-backed recommendations.

Responsibilities

• Define, develop, and enforce standards for performance, scalability, and reliability.
• Lead the performance and reliability strategy for a high-scale platform.
• Shape the technical direction alongside senior architects and engineering leads.

Skills

Full-stack development

Performance engineering

Reliability engineering

AWS

Node.js

Python

Performance testing tools

Tools

JMeter

Gatling

Locust

k6

Job description

A prominent technology firm in Greater London is seeking a hands-on Lead Software Engineer specializing in performance, scalability, and reliability for critical platforms. This role includes defining standards, leading strategies, and shaping technical direction. Ideal candidates should have expertise in full-stack development, strong knowledge of AWS, and experience with performance testing tools. If you enjoy solving complex system challenges and want to drive real business outcomes, apply now.