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This software platform allows us to offer responsive, reliable services to Electricity grid operators (National Grid in the UK) while also analysing trading markets to optimise the revenue of assets under our control. You will be collaborating with a small team of talented software engineers from across disciplines to create a flexible and efficient platform that our users will use to transform the makeup modern national electricity grids.

The tools and languages we mainly work with are:

  • Go for application microservices
  • Cassandra for storage
  • Docker of service orchestration
  • AWS for infrastructure
  • GitLab of code management and CI/CD

As part of the Software team, you’ll work closely with team members from across the business to meet the most pressing technical needs. You’ll need to focus on adaptability both personally and with your code as the markets we operate in and the problems we need to solve are quickly evolving.


  • Develop high quality microservice applications that meet the functional requirements that the business needs
  • Lead on developing automation systems that will allow the team to build, test and deploy code as quickly as possible, increasing resilience and stability of our platform
  • Integrate your applications into a scalable, fault tolerant ecosystem to add value to the overall platform
  • Liaise with our trading and asset management teams to ensure that functionality is meeting the needs of our users
  • Integrate our platform with various 3rd party services in a flexible and resilient manner
  • Work in an agile development model with regular stand-ups, planning and stakeholder acceptance checkpoints


  • Around 3-5 years + experience within a similar role
  • A highly organised and adaptable team player
  • A self-motivated individual with a proven background in solving problems pragmatically and collaboratively
  • Experience with Go or any other strongly typed languages
  • Experience with AWS and cloud native technologies
  • Experience in working with cloud-based, microservice architectures with a focus on continuous integration and delivery
  • Interested in making a real impact on climate change with innovative technology


As we move to the high-renewables era, electricity storage is transforming the way the energy industry operates. The energy industry is fast becoming a digital and multidisciplinary sector that provides a fundamental service for modern society, but these needs must be delivered in a socially responsible way. Arenko are using new technology to add flexibility to the grid and secure supply in this fast-changing industry, offering a huge variety of opportunities for the future.

Arenko was founded in January 2014 and we are growing rapidly in an emerging sector. Arenko is a fun, inclusive and fast-paced environment and our team are self-motivated, enthusiastic and take a collaborative approach to help the business develop and grow.

We offer a range of benefits including: 25 days annual leave (+ bank holidays), flexible working arrangements, monthly socials and a commitment to your individual wellbeing, with access to our Employee Assistance Programme and other wellbeing initiatives. Finally, whilst joining a social and hard-working team, you will have access to some of the most prestigious employee competitions of all time: The Arenko Bake off and the annual Arenko Olympics.


Our team is growing, and we would love your help in reinventing the energy system. Please send your CV and Cover letter titled “Backend Software Engineer” to: