Senior Java Developer - London

Location London
Job Type Permanent
Salary Attractive salary & benefits
Reference 31655

One of the world’s leading providers of carrier billing and mobile identity solutions is looking for a Senior Java Developer to join their growing team in London!


In this role you will be expected to work closely with the Product Team and be a good problem-solver.


  • Work hands-on with a highly skilled team of engineers
  • Mentoring engineers and fostering an environment of continuous learning
  • Participate in all phases of the software development lifecycle, including design, development, testing, and release
  • Build a layered, component-based, service-oriented architecture
  • Operate as a technical point of contact for the scrum team
  • Meet and lead technical discussions with our existing and potential customers
  • Work collaboratively and effectively with a range of stakeholders including product managers and program managers
  • Be highly motivated and maintain a positive, 'can-do attitude in a fast-moving environment
  • Foster the spirit of collaboration across multiple internal and external teams



  • 5+ years of relevant experience in Software Engineering working on high-volume and low-latency systems
  • Fluent in Java and have experience with building service-oriented, database-driven applications
  • Strong software design and architecture skills
  • Demonstrated great communication and influential skill
  • Curious and love staying on top of technology trends
  • Attention to detail and strong organization skills



  • Familiarity and experience with a wide range of programming languages and technologies
  • Experience with containerisation concepts and runtimes such as Docker, containerd, CRI-O.
  • Experience integrating with third-party web services across a variety of technologies, e.g. REST, SOAP, SMPP
  • Experience with some (or all) of the following technologies/frameworks/tools: Maven, Git, MySQL, JMS, Spring
  • Experience working with mobile carriers or mobile SMS systems
  • Experience with authentication methods, sign up and login flows
  • Experience using agile methodologies and tools
  • Experience in designing and implementing systems for cloud based (AWS, GCP etc.) environments.
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