Frontend Developer - React + Svelte

Harrington Starr

  • London
  • Permanent
  • Full-time
  • 2 months ago
You'll be working on a cutting-edge post-trade platform within the energy trading space - think live intraday PnL, position management, and digitised workflows for one of the most dynamic trading businesses in Europe. It's a hybrid environment with React or Svelte at the core and AWS powering the infrastructure. You'll work alongside high-calibre devs and tech leads pushing scalable, secure, real-time trading systems.What you'll be doing:
  • Building UI features for a real-time energy trading platform
  • Developing clean, scalable code in React or Svelte (daily hands-on coding)
  • Collaborating across dev, cloud, infra and trading desks to shape architecture
  • Contributing to the CI/CD pipeline and DevOps best practices
  • Delivering secure, high-performing apps that support front office workflows
  • Influencing technical design and tooling strategy
What you'll need:
  • 7+ years hands-on front-end experience (React or Svelte essential)
  • Recent experience in commodities or financial services trading (essential)
  • Strong exposure to AWS (S3, ECS, AppSync preferred)
  • Familiarity with REST/GraphQL, Kafka, PostgreSQL or similar
  • Comfortable working in Agile squads with a DevOps-first mindset
  • Bonus if you can work in Python, but not essential
If you're a front-end expert who wants to build performant, business-critical platforms in a fast-paced trading floor environment, this contract will be right for you!.Everyone matters here:
  • We promote an inclusive, supportive environment for all genders
  • We're committed to creating a workplace where everyone feels welcome and valued
  • We actively support gender diversity and inclusion at every level
  • We foster a culture of work-life balance and equal opportunity
? To apply - click the link or for a faster response, email Barry.Ansell@HarringtonStarr.comHead of Contract RecruitmentApply for this roleFirst NameThis is a required fieldLast NameThis is a required fieldTelephone NumberThis is a required fieldEmail AddressThis is a required field A valid email address is required.CV, LinkedIn or Dropbox URLThis is a required fieldCV UploadChoose File This is a required fieldLinkedIn / Dropbox URLThis is a required field A valid LinkedIn URL is required, please ensure it begins with https://www.linkedin.com/ A valid DropBox URL is required, please ensure it begins with https://www.dropbox.com/MessageBy submitting this form you agree to our , & . This is a required fieldNot yet registered?Already have an account?Still Looking? What about...Featured JobsContact UsUK: US:Useful LinksSectorsSign up to our newsletterI confirm that I have read and agree with Harrington Starr's privacy notice, which can be accessed This is a required field A valid email address is requiredHarrington StarrSite byQuick CV DropoffFirst NameThis is a required fieldLast NameThis is a required fieldEmail AddressThis is a required field A valid email address is requiredTelephone NumberThis is a required fieldJob TitleThis is a required fieldCompanyThis is a required fieldCV Upload or URLThis is a required fieldCV UrlThis is a required fieldCV UploadChoose File This is a required field You can only upload files up to 10 MB in size You can only upload doc, docx or pdf filesI would like to be kept up to date with the latest marketing insights and job opportunities.

Harrington Starr