Backend Developer - Core APIs

Kraken is the technology tentacle of the Octopus Energy Group.Our teamAll technology is written and maintained by a multi-discipline engineering team of around 300 people globally. Our engineers work in ‘super teams’ which are focused on key areas of our platform as well as other innovative products. This also includes server-side, client-side and mobile engineers working closely with UX experts, copywriters and designers.Teams are empowered to choose a way of working that works for them, often opting for a Kanban-like approach. Notion and Asana are then used to specify and manage work; Github, CircleCI and Terraform Enterprise as part of an immutable-infrastructure, continuous delivery pipeline; and Datadog, Sentry and Cloudwatch to measure performance and monitor production.Some of our coding conventions are open-source .Kraken is a great place to learn, work with some talented engineers and level-up your skills.Our technologyOn the server-side, we mainly use Python. Most of our websites are powered by Django, Django-REST-framework and GraphQL (Graphene).We use AWS heavily as part of a continuous deployment pipeline. See, for example, Django, ELB health checks and continuous delivery.Client-side, we use React, htmx and SASS; our mobile apps are built using native code or React Native.Our teamOur team is dedicated to building cutting-edge tools and frameworks that empower all Kraken tech developers to create APIs that are not only easy to implement but also prioritise security and performance.We pride ourselves on tackling challenging technical problems, such as authentication/authorisation, roles/permissions (RBAC), system-to-system integration, performance optimisation, auto-generated documentation, PACT (contract) testing, and scalability. In addition, we oversee the development patterns of APIs, including GraphQL and REST, and are committed to sharing best practices in API development and helping other teams self-serve.What you'll doPythonDjangoGraphQL (Graphene or equivalent frameworks)Django REST frameworkGood understanding of API design principlesGood understanding of API security conceptsExperience with microservices architectureExperience PACT (contract) testingWriting robust, fault-tolerant and scalable softwareCelery and async processingPostgresDomain modellingWhat you'll needAWSKubernetesTerraform, Packer, ConsulWhy else you'll love about usWondering what the salary for this role is?Just ask us! On a call with one of our recruiters it's something we always cover as we genuinely want to match your experience with the correct salary. The reason why we don't advertise is because we honestly have a degree of flexibility and would never want salary to be a reason why someone doesn't apply to Octopus - what's more important to us is finding the right octofit!Octopus Energy is aunique culture. An organisation where people learn, decide, and build quicker. Where people work with autonomy, alongside a wide range of amazing co-owners, on projects that break new ground. We want your hard work to be rewarded with perks you actually care about! We wonbest company to work forin 2022, on Glassdoor we we're voted50 best places to work in 2022and our Group CEO, Greg has recordeda podcast about our cultureand how we empower our peopleVisit our perks hub -Octopus Employee BenefitsWe would prefer someone who can work in our London office but will consider remote candidates. However, you do need to be able to work in the UK. We're very excited to be growing our team. We're looking for skills and experience to help shape and define the future of not only our team, but the wider business at a global scale. If you're reading this and grinning, please apply! There are huge challenges to tackle, and we need amazing people who are keen to get stuck in.If this sounds like you then we'd love to hear from you. Studies have shown that some groups of people, like women, are less likely to apply to a role unless they meet 100% of the job requirements. Whoever you are, if you like one of our jobs, we encourage you to apply as you might just be the candidate we hire. Across Octopus, we're looking for genuinely decent people who are honest and empathetic. Our people are our strongest asset and the unique skills and perspectives people bring to the team are the driving force of our success. As an equal opportunity employer, we do not discriminate on the basis of any protected attribute. Our commitment is to provide equal opportunities, an inclusive work environment, and fairness for everyone.
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