Senior Java Developer

BBBH14619_1707066002
  • £100000 - £150000 per annum
  • London
  • Permanent

Senior Java Developer

Salary: Up to £150,000

Fully Remote (UK)

Green Tech

We are looking to speak with expert Java Developers who have a passion and focus on building highly concurrent, scalability and reliable systems, dealing with huge amounts of data sets.


A bonus if you also specialise in low latency development. The business do not use any frameworks, so they need engineers who have recent experience writing Core Java code without any use of frameworks (Spring)

It is an exciting business to be in, they have two entirely different product lines and you'll be working across both of them.

1) A software-as-a-service platform which empowers energy suppliers across the UK.

We are in a world where on certain things, software can make better decisions than people, it can also be used to take away the mundane jobs you don't want to do. This platform use's real time data to feed a step by step guide to the customer on how to be the most energy efficient, helping them lead a more affordable and sustainable lifestyle with no extra effort needed.

2) They are also an Energy supplier.

Due to the success of the platform, they decided to make a direct impact and become an energy suppler themselves, they currently have just over 10,000 customers, but plan to have over 100,000 by the end of 2024.

As a Senior Java Developer, you will be:

  • Building real time, highly distributed systems with a focus on performance and concurrency.
  • Working with Java 17/19, Microservices, AWS, Docker, Kubernetes and adopting the best technologies for the best results
  • Designing and building their own frameworks and tools, they are currently doing this as well as building their own database from scratch.
  • Writing clean, readable and scalable code in an agile environment.
  • Working within a passionate and innovative team, they need creative minds who want to design and develop systems from scratch and bring new ideas to the table to keep breaking barriers.

As a Senior Core Java Developer, you will need to bring:

  • Extensive experience working with CORE Java
  • Deep knowledge across Low Latency / Concurrency / Scalability / Multithreaded
  • Innovative mindset, we need engineers who are deep thinkers who can think of concepts from scratch and bring them to reality.

If you want to find out more about this role, apply to this advert or contact me directly.

Email: jdevaney@understandingrecruitment.com

Jordan Devaney Senior Java Recruitment Consultant

Apply for this role