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Backend Software Engineer – Java



3d ago

  • Job
    Mid-level (3-4 years) - Senior (5-8 years)
  • Software Engineering
  • London

AI generated summary

  • You need 4+ years of Java backend dev. exp., practical knowledge of Spring, product skills, Event Sourcing & CQRS knowledge, passion for tests, and strong English communication skills.
  • You'll lead the tech development at Lightyear, shaping the trading platform and expanding the tech stack. Collaborate with cross-functional teams to create top-notch user experiences, conduct code reviews, and own end-to-end project delivery.


  • 4+ years of professional backend software development experience
  • Practical knowledge of modern Java and Spring is a strong plus
  • Strong product skills - having built a previous startup or app is a bonus.
  • Knowledge of Event Sourcing & CQRS.
  • A true passion for unit and integration tests.
  • You have a solid command of written and spoken English, which you use to communicate clearly and succinctly with other members of the team. You are comfortable writing reports and documentation.


  • As an early Product Engineer and a core team member, you will have the unique task of building the main pillars of our trading platform. You’ll identify resource needs, and together with the CTO, select the appropriate tools and establish internal protocols that enable a smooth, cross-platform, continuous delivery environment. You’ll have the freedom to share ideas and have a lasting impact on our organisation. We offer a competitive startup package, a chic office in London, an accelerated professional growth path, and the opportunity to work with an international team!
  • Our technical environment consists primarily of Java 14+, Spring Framework (SpringBoot), Jooq, PostgreSQL, Docker, AWS, React/Next.js, Strapi, Flutter for Mobile, and want you to help us expand our stack.
  • Work closely with engineers, product managers, and designers to create great user experiences and build our customer-facing application.
  • Develop high-performance applications and continuously enhance our suite of technologies in use.
  • Conduct code reviews for future team members and take end-to-end ownership, from development to production.


What is the main goal of the company you will be working for as a Backend Software Engineer – Java?

The main goal of the company is to make investing better for everyone in Europe by combining multi-currency accounts with unlimited access to global markets.

How much has the company grown over the last 2 years?

The company has grown from just an idea to a regulated business in both the UK & the EU, launching in 22 countries and raising $35M.

How big is the team you will be working with as a Backend Software Engineer – Java?

You will be working with a team of 50+ people from some of the best fintechs and startups in Europe.

Lightyear is a simple and approachable way to invest your money globally without unnecessary barriers or fees.

Founded Year

Mission & Purpose

Investing? Own it.


  • Stock options

    Our long-term success depends on the effort of our team – we want them to benefit from the growth of the company they are helping to build.

  • Full flexibility

    We trust our people to manage their time in the most efficient way. Enjoy 100% flexible working hours with a relaxed hybrid office setup.

  • International team events

    Build strong connections with your colleagues through regular local and international events.

  • Enhanced parental leave

    Take the time you need to bond with your new family member with our UK extended parental leave policy.

  • Private medical insurance

    Take care of yourself and your loved ones with our medical insurance coverage.