Core Java Developer

  • £60000 - £120000 per annum
  • London
  • Permanent

Senior Java Engineer

Salary: £120,000 - £150,000 

Fully Remote (UK)


If you enjoy building state of the art, data centric, low latency, highly concurrent systems, then this will tick all of the boxes.

We're working with an exciting Green-Tech business who are rapidly growing. They're on the hunt for Core Java developers who have a passion around building highly concurrent systems and have performance at the forefront of their mind.

You'll be working across two product lines:

1) Building an energy provider business, they currently have 10,000 customers which is set to rise to over 100,000 customers by the end of 2024

2) Working on their SaaS platform which is being used by energy suppliers across the UK

As a Senior Core Java Developer, you will assume the following responsibilities:

  • Building real-time, highly distributed systems with a strong emphasis on performance and concurrency across multiple Greenfield projects.
  • Working with cutting-edge technology stacks, including Java 17/19, Microservices, AWS, Docker, Kubernetes, and remaining receptive to adopting emerging technologies.
  • Designing and developing bespoke frameworks. Notably, the team is presently engaged in constructing their very own database and frameworks.
  • Collaborating with a passionate and innovative team, where your ideas will be given the freedom to flourish, as you work collectively towards creating something truly exceptional.

To thrive in this role as a Senior Core Java Developer, you should possess the following qualifications:

  • A deep understanding and extensive experience in working with Core Java, Multithreaded Code, and Highly Concurrent and Distributed Systems.
  • Demonstrated expertise in building systems from the ground up, exhibiting a comprehensive understanding of the entire Software Development Life Cycle and taking ownership of it all.
  • A genuine passion for effecting positive change in the world and the ability to create robust systems from scratch. The company takes great pride in their commitment to tailoring solutions to their unique vision.

If you are ready to make a significant impact and join a team devoted to creating a more sustainable future, we invite you to explore this opportunity further.


Jordan Devaney Senior Java Recruitment Consultant

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