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Please double check you have the right level of experience and qualifications by reading the full overview of this opportunity below. Senior Front-End Developer Energy Trading Central London (3 days on-site) 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. Its 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 youll 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 youll 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 youre 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 Were 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.com Seniority level Seniority levelMid-Senior level Employment type Employment typeContract Job function Job functionFinance, Information Technology, and Consulting IndustriesFinancial Services, Investment Banking, and IT Services and IT Consulting Referrals increase your chances of interviewing at Harrington Starr by 2x Get notified about new Software Engineer jobs in London Area, United Kingdom . London, England, United Kingdom 1 week ago London, England, United Kingdom 50,000.00-60,000.00 1 month ago London, England, United Kingdom 2 weeks ago London, England, United Kingdom 1 month ago London, England, United Kingdom 1 week ago London, England, United Kingdom 1 week ago London, England, United Kingdom 1 day ago London, England, United Kingdom 2 days ago London, England, United Kingdom 2 months ago London, England, United Kingdom 2 weeks ago London, England, United Kingdom 1 week ago London, England, United Kingdom 3 days ago London, England, United Kingdom 3 days ago Graduate Software Engineer 2025 - RegTech London, England, United Kingdom 2 weeks ago London, England, United Kingdom 1 month ago London, England, United Kingdom 35,000.00-50,000.00 1 month ago London, England, United Kingdom 1 year ago Newsroom Front-End Developer (12 Month FTC/Secondment) Isleworth, England, United Kingdom 1 week ago London, England, United Kingdom 1 month ago London, England, United Kingdom 5 months ago London, England, United Kingdom 2 weeks ago London, England, United Kingdom 1 week ago London, England, United Kingdom 1 month ago Newsroom Front-End Developer (12 Month FTC/Secondment) Isleworth, England, United Kingdom 3 days ago London, England, United Kingdom 1 month ago London, England, United Kingdom 4 days ago London, England, United Kingdom 1 week ago Software Engineer-Full stack (All Levels) London, England, United Kingdom 1 month ago Junior Software Engineer (Integration Team) London, England, United Kingdom 1 day ago London, England, United Kingdom 7 months ago London, England, United Kingdom 3 weeks ago London, England, United Kingdom 4 months ago Were unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.

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