Senior Software Developer Permanent - Full time London (Hybrid) £85,000 per annum + Benefits Our client, a specialist in delivering software and services for BSS/OSS transformations in the telecommunications industry, is seeking a Senior Developer to be based in London on a permanent basis.This is a hybrid set up, with 2 days in office per week (Tuesday + Thursday), and you must have full right to work in the UK. (no visa sponsorship available).Key Requirements:8-12 years of experience in software design and development using Java-based technologies3-5 years of experience in technical leadership or senior developer rolesStrong hands-on experience with Java and Spring BootMicroservices, REST APIs, and containerisation technologies (Kubernetes or OpenShift)Solid RDBMS experienceFront End experience with Angular, JavaScript, and BootstrapExperience working on large-scale, high-transaction Enterprise systemsTelecom BSS/OSS, Billing, CRM, Self-Service, Product Catalogue, or similar enterprise domainsTechnical leadership or mentoring experience is a plusAgile/Scrum environments