_{04th November, 2024}

Sepura TETRA digital radio products are similar to mobile phones, but also provide robust, long range, secure communication in harsh environments to public safety, military, transport, utilities and commercial customers. Sepura offer a broad range of radio products, support tools and accessories. Our next generation products will need to meet similar requirements but will need to utilise broadband communication and platform technologies.
  
This role will focus on the development, configuration and tuning of the Android platform, Android framework/service alterations, and the Android development toolchain. Whilst experience of developing Android Apps is useful, this is not an Android App developer role
  
Ideally, candidates will be able to demonstrate previous experience gained over the full development life-cycle of a released Android product.
  
Come and join Sepura Ltd at an exciting time of growth and progress your career within this innovative technology company, based in Waterbeach, Cambridge.
  
Your Role

Specific responsibilities may include:

• Android platform development, kernel configuration including modifications to the scheduler, performance optimisations and minimising latencies.
• Trialling and integrating open-source development tools for debugging, profiling, code-coverage, memory leak detection etc.
• Monitoring relevant Android community mailing lists
• Prototyping of demonstration systems to generate early feedback on proposed solutions.
• The production of architectural, design and test specifications.
• Integration testing, investigation and resolution of issues.
• Participation in project planning and technical reviews.

Your Day to Day:
  
Our customer base includes many different industries and markets around the world. Our complete TETRA and LTE solutions have been developed specifically for users in multiple sectors to face their critical communications challenges.

There is no such thing as a typical day here at Sepura. You will be supported by your manager and team, as well as collaborating with other departments across the business. Technical engineering activities you will be responsible for would include a variety SW development tasks.
  
What you need to succeed

Must-haves:

Qualifications

• Degree level qualification in a relevant discipline

Experience and Skills

• Significant contribution to the platform development of a commercially released product using Android.
• Good understanding of the Android architecture and ecosystem (including low level and security)
• Understanding of the Android SDK and APIs (especially telecoms and networking)
• Experience optimising Android performance, e.g. power management
• Experience with most of the following:
  • Binder
  • AIDL
  • Services (C++/Java)
  • Framework APIs
  • NDK, JNI
  • CTS
• Excellent knowledge of the C++ programming language in real-time multi-processor, multi-threaded, event-driven software.
• Experience of developing for mobile platforms
• Ability to interface to all levels of the company, using a variety of methods (presentations, reports, workshops)
• Customer (internal and external) focused
• Structured in his/her working practices with a practical understanding of quality software development processes

Nice to have:
 
Experience and Skills

• Familiar with Embedded Linux kernel, driver architecture, USB, networking, memory and scheduling subsystems. Experience of using ARM BSPs.
• Developing production quality real time embedded software for low level device drivers.
• Experience with Linux open-source project configuration management and patching techniques.
• Familiarity with working with a hardware development team (interpretation of schematics and a practical knowledge of debugging using logic analysers and oscilloscopes.
• Experience in the complete software development lifecycle.
• Experience of using configuration management and fault tracking tools.

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