Senior Back-End Developer | Hybrid (London) | £130,000 - £180,000Applicants must live in London and be able to work from the Soho office 4 days a week.No visa sponsorship is available.I'm working with an innovative client in digital asset trading, renowned for cutting-edge execution technology. They're seeking a Senior Back-End Developer to join their London team.About the CompanyA leader in digital trading, the company specializes in high-performance solutions powered by advanced algorithms, low-latency systems, and machine learning. They provide reliable, data-driven results for their clients.The RoleYou’ll design and develop secure, high-performance applications, optimizing system efficiency and scalability for 24/7 operations. You’ll also lead development projects, code reviews, and help shape future projects.Key Responsibilities:Design scalable, secure back-end solutions using KubernetesOptimize performance and stability in live environmentsImplement security protocols for sensitive dataTranslate business requirements into technical solutionsMentor junior developers and lead code reviewsRequired Experience:Extensive backend programming experience with C++Trading experience; Trade execution/front office & Low-latency expertise.Expertise in RESTful APIs, AWS, and cloud infrastructureStrong problem-solving skills and database managementTech Stack:C++ for trading componentsAWS (API Gateway, Lambda, EKS)Aurora RDS PostgreSQL, MemoryDB, TimescaleLocation & SalaryHybrid role; Soho, London office (4 days/week)£130,000 - £180,000 + benefitsReady to elevate your career and work on innovative trading solutions? Apply now and help shape the future of finance!