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Front End Software Engineer

Janestreet · London

MakeYouFirst tailors your CV to this job, writes the cover letter, finds the recruiter’s email and sends the application from your own mailbox, once you approve it.

In brief

Janestreet is hiring: Front End Software Engineer in London.

Duties

  • We’re looking for a software engineer who is passionate about front-end development, user-interface design, and typed functional programming.
  • You would take part in the design and implementation of our next-generation of browser-based tools for operating our trading infrastructure.

Required profile

  • We’re looking to add someone with a particular mix of skills and experience:
  • Practical experience building sophisticated UIs in the browser.
  • Experience with languages like Elm, ReasonML, Purescript, and Typescript is a plus (we don’t expect experience in OCaml in particular.)
  • Fluency in English is required

Excerpt from the ad

We’re looking for a software engineer who is passionate about front-end development, user-interface design, and typed functional programming. You would take part in the design and implementation of our next-generation…

Source: ad by Janestreet, published on Arbeitnow. MakeYouFirst summarises this ad; the advertiser remains responsible for its content.

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FAQ

Frequently asked questions

Where is the job based?

The job is based in London (United Kingdom).

How do I apply for this job?

Click “Apply now”: with your free MakeYouFirst account, your CV and cover letter are tailored to this job, the recruiter’s email is found for you and the application is sent from your own mailbox once you approve it.

Which software should I master for software engineer jobs?

Business support roles expect strong office software skills and often a specialist tool, such as an ERP, an HR system, accounting software or a CRM. Name them precisely in your CV, with your level.

Can you start software engineer jobs through an apprenticeship or internship?

Yes, business support and IT employers regularly hire apprentices, interns and graduates, often with a permanent job at the end. Use the contract filter to list those offers.

Listing published by Youssef Douiri, founder of MakeYouFirst · Updated on 12 November 2026

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