Principal Software Engineer, Node/Golang
<p><b>Salary: £40,000 - 70,000 per year</b></p>
<b>Requirements:</b>
<ul><li>Experience designing and implementing scalable solutions for high throughput systems</li><li>Advanced hands-on experience with complex, large-scale distributed systems</li><li>Proficiency in synchronous (e.g., REST APIs) and asynchronous (e.g., WebSockets, message queues like Kafka or RabbitMQ) communication patterns</li><li>Experience with High Availability and disaster recovery strategies for 24/7 financial systems</li><li>Proficiency in multiple development languages, particularly Node.js and Go/Golang</li><li>Strategic mindset with experience in evaluating buy vs build decisions and 3rd party vendors</li><li>Strong knowledge of modern databases</li><li>Exceptional communication skills with the ability to influence technical and non-technical stakeholders</li></ul>
<b>Responsibilities:</b>
<ul><li>Collaborate across various technical teams to oversee technical standards and drive excellence</li><li>Develop and champion a cohesive, long-term technical roadmap for existing services</li><li>Lead the design of resilient, high-throughput systems that adhere to security and robustness standards</li><li>Act as the technical authority for complex cross-team challenges related to data resiliency and uptime</li><li>Mentor senior engineers on advanced architectural patterns and operational best practices</li><li>Foster a culture of technical curiosity and ownership within the team</li></ul>
<b>Technologies:</b>
<ul><li>Golang</li><li>Kafka</li><li>REST</li><li>RabbitMQ</li><li>Security</li><li>NodeJS</li><li>API</li><li>Backend</li></ul>
<p><b>More:</b></p>
<p>We are a global cryptocurrency market data and trade execution technology company, experiencing significant growth by handling billions of events per month. Our new Central London offices provide an exciting workplace for our team. As a Principal Software Engineer, youll work in a supportive environment that values continual learning and self-development opportunities on cutting-edge systems. We believe in a diverse workplace that allows individuals to thrive and do not discriminate based on race, color, religion, sex, gender identity, sexual orientation, national origin, genetics, disability, age, or veteran status.</p>
<p>last updated 8 week of 2026</p>
<b>Requirements:</b>
<ul><li>Experience designing and implementing scalable solutions for high throughput systems</li><li>Advanced hands-on experience with complex, large-scale distributed systems</li><li>Proficiency in synchronous (e.g., REST APIs) and asynchronous (e.g., WebSockets, message queues like Kafka or RabbitMQ) communication patterns</li><li>Experience with High Availability and disaster recovery strategies for 24/7 financial systems</li><li>Proficiency in multiple development languages, particularly Node.js and Go/Golang</li><li>Strategic mindset with experience in evaluating buy vs build decisions and 3rd party vendors</li><li>Strong knowledge of modern databases</li><li>Exceptional communication skills with the ability to influence technical and non-technical stakeholders</li></ul>
<b>Responsibilities:</b>
<ul><li>Collaborate across various technical teams to oversee technical standards and drive excellence</li><li>Develop and champion a cohesive, long-term technical roadmap for existing services</li><li>Lead the design of resilient, high-throughput systems that adhere to security and robustness standards</li><li>Act as the technical authority for complex cross-team challenges related to data resiliency and uptime</li><li>Mentor senior engineers on advanced architectural patterns and operational best practices</li><li>Foster a culture of technical curiosity and ownership within the team</li></ul>
<b>Technologies:</b>
<ul><li>Golang</li><li>Kafka</li><li>REST</li><li>RabbitMQ</li><li>Security</li><li>NodeJS</li><li>API</li><li>Backend</li></ul>
<p><b>More:</b></p>
<p>We are a global cryptocurrency market data and trade execution technology company, experiencing significant growth by handling billions of events per month. Our new Central London offices provide an exciting workplace for our team. As a Principal Software Engineer, youll work in a supportive environment that values continual learning and self-development opportunities on cutting-edge systems. We believe in a diverse workplace that allows individuals to thrive and do not discriminate based on race, color, religion, sex, gender identity, sexual orientation, national origin, genetics, disability, age, or veteran status.</p>
<p>last updated 8 week of 2026</p>