Summer Intern Programme

November 11, 2022

At Caplin we help banks provide an outstanding service to their customers by providing a distinctive, compliant and efficient trading experience. We were founded in 2000 and are based in Leadenhall Street in London, close to ‘The Gherkin’. We use agile software development methods, and aim to create a relaxed and friendly environment for intelligent and hardworking people. We welcome innovation and value our employees’ ideas and involvement, showcased in our monthly Dev Days. We are problem solvers and fast thinkers who are passionate about using the latest technology to deliver complex systems in simple applications

The role

This is a full time, paid internship programme with 37.5 hours per week for 10 weeks starting July 2023, and is based in Leadenhall Street, London. Our interns join the engineering team and form their own ‘pod’, headed up by a senior engineer. They work closely with our other development pods on a software development project that provides real business value. Your code will need to be high quality, tested, and will be reviewed by others. This gives the opportunity to greatly develop your skills in programming and the technologies you’ll be using, along with experience working within a modern agile team structure. We often use intern projects to map out the cutting edge we want to explore later, or to kick off customer-facing UIs for new pieces of our technology.

Previous intern projects have included

  • Expanding a code generator framework to target a new language - typescript - for one of our key messaging libraries
  • A react web UI for managing the new cloud infrastructure for our back end.
  • A data explorer web application for our streaming server.
  • A Margin GUI addition for our Caplin One product.

You should apply if:

We’re looking for people planning a career in technology who can deliver something meaningful and interesting in the 10 weeks of the intern project, and that we could imagine working with longer term at Caplin. This means that you’ll need to be intellectually curious, keen to learn, with an attitude that finds ways around obstacles rather than getting stuck. You’ll be excited by tackling challenging problems. You’ll have a pragmatic, best-tool-for-the-job approach, but also the enthusiasm for your field to have developed your own opinions and interests in particular areas. You’ll need to have experience programming, ideally in Java or Javascript, although we will consider people with other programming backgrounds too if they are sufficiently deep, and we would expect you to be pursuing a STEM degree. Those who perform well on the intern programme are likely to be offered jobs in our graduate intake when they complete their studies. 

Work with us!

Please send us your CV and Covering Letter to

Note: Applications are for individual applications only and all contact from unsolicited agents will be rejected.