Senior Java Software Engineer

Sentinel
📍 greater london, England, United-Kingdom 💼 Full-time 🕒 Posted March 02, 2026

Job Description

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 technologies
  • 3–5 years of experience in technical leadership or senior developer roles
  • Strong hands-on experience with Java and Spring Boot
  • Microservices, REST APIs, and containerisation technologies (Kubernetes or OpenShift)
  • Solid RDBMS experience
  • Experience working on large-scale, high-transaction Enterprise systems
  • Telecom BSS/OSS, Billing, CRM, Self-Service, Product Catalogue, or similar enterprise domains
  • Technical leadership or mentor...

Ready to Apply?

Submit your application today and join our talented team at Sentinel.

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Job Details

  • Location greater london, England
  • Job Type Full-time
  • Category IT & Technology
  • Posted Date March 02, 2026
  • Application Deadline April 11, 2026