Backend Engineer

London, England, United Kingdom expand job description ↓


About Marshmallow:

We're building a smart, digital insurer of the future to help us achieve our mission of helping everyone have equal access to fair financial products. We're a small team backed by investors who have backed Spotify, Monzo, Adyen and others. Following our successful launch earlier this year we are now scaling - FAST.

To build an insurer that can compete with huge multi-billion dollar monsters such as Axa, Allianz, and Direct Line we need customer centric, and awesome customer operations πŸ’ͺ. You'd be joining a team that have worked at billion dollar fintechs such as Transferwise & Monzo, and large insurers such as Zurich.

What you will be doing...

  • Collaborating closely with the product team to build customer centric solutions to big problems
  • Building scalable, efficient, fault tolerant microservices
  • Working on predominantly greenfield projects
  • Be involved in a lot of wider discussions and architectural decisions.

Our technology stack

  • Java 12 with Spring Boot
  • AWS
  • MySQL, DynamoDB
  • Protobuf & JSON
  • Continuous Delivery using technologies such as Docker and Fargate/Kubernetes
  • Event Sourcing


  • Our process consists of a phone interview, a coding test and a few hours onsite. We will endeavour to be communicative and transparent throughout :)


  • Experience with core Java 8+
  • Experience with MVC Frameworks (Spring preferred)
  • Experience working with SQL databases, writing custom queries and designing schemas
  • A good understanding of test-driven development (TDD) with the desire to write tests
  • Experience working with continuous delivery.

You will be even more loved if you have...

  • Experience living in a foreign country
  • Worked in a startup before
  • Often read customer centric books/blogs


  • Competitive salary πŸ’΅
  • Stock options πŸ‘©β€πŸ‘©β€πŸ‘¦β€πŸ‘¦
  • Health Insurance πŸ₯
  • Working from home 🏠
  • Monthly Socials πŸŽ‰
  • 33 day holiday allowance (inc bank holidays) πŸ–οΈ
  • Pension πŸ‘΅πŸ½
  • Cycle to work scheme πŸš΄β€β™‚οΈ
  • Unlimited books πŸ“š
  • Equipment πŸ’»
  • Weekly knowledge sharing presentations πŸ’‘
  • Friday all-hands with snacks πŸŽ₯
  • Learning and training supported ✍️
  • Fruit, snacks and soft drinks in the office πŸ“
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