Lead Backend Software Engineer / Developer (Go API Messaging) London onsite Are you a senior, backend focussed Software Engineer with strong Go / Golang coding skills and real-time messaging experience? You could be progressing your career in a hands-on Lead Backend Software Engineer role at a global cryptocurrency market data and trade execution technology company that is experiencing great success and is growing as a result, the systems currently deal with multiple billions of events per month. As a Lead Backend Software Engineer you will work on cutting edge systems that handle a million messages per second from a diverse range of external APIs within a high performance data pipeline. You'll design and implement high throughput data services with a focus on scalability, reliability and performance, taking ownership of projects and collaborating with data and infrastructure teams you'll ensure seamless integration and efficient workflows. Location / WFH: You'll join the team in brand new Central London based offices on a fulltime basis (Monday to Friday). About you: You have experience of taking ownership of high profile projects You have strong Go / Golang coding skills You have strong experience of designing and implementing scalable solutions to handle high throughput systems including WebSocket APIs and services You have a strong knowledge of queue or stream based messaging systems e.g. Amazon SQS, Kafka You have a good knowledge of both relational and non-relational databases, PostgreSQL and Redis preferred You're highly numerate with strong maths knowledge (numerical computations and algorithms) You are degree educated in Computer Science or similar technical discipline You have a personal interest in traditional financial markets or the cryptocurrency space What's in it for you: As a Lead Backend Software Engineer you will receive a comprehensive package: Competitive Salary Bonus Continual learning and self development opportunities working on cutting edge systems Apply now to find out more about this Lead Backend Software Engineer / Developer (Go / Golang Messaging) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.