Home
Jobs
Joseph Harry Ltd
Lead React Developer Software Engineer Trading Finance London

Lead React Developer Software Engineer Trading Finance London

On site

London, United kingdom

£ 150,000 /year

Senior

Full Time

23-02-2026

Share this job:

Score my CV

Skills

Java JavaScript Go TypeScript GraphQL react AWS ReactJs Agile JS React.js Redux Kafka

Job Specifications

Lead React Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds Agile Buy Side Asset Manager Investment Management Finance Front Office Trading Financial Services UI Front-End Front End EMS OMS Execution Order Management System Portfolio Golang Go) required by our trading software client in London.
You MUST have the following:
Strong experience as a Lead React Developer/Software Engineer/Programmer
Excellent JavaScript, TypeScript and React
Redux
Experience building front office trading systems (execution or order management, risk or PnL analysis)
Strong ability to lead and take concepts and ideas into technical solutions
Excellent stakeholder interaction skills
Agile
The following is DESIRABLE, not essential:
Ag-Grid and GraphQL
Golang
Java
Role: Lead React Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds Agile Buy Side Asset Manager Investment Management Finance Front Office Trading Financial Services UI Front-End Front End EMS OMS Execution Order Management System Portfolio Golang Go) required by our trading software client in London. You will be joining a small team to build a new multi-asset portfolio management system. The stack is React, TypeScript, Redux, Ag-Grid, GraphQL and Playwright. This all sits on Golang, Kafka, Java and AWS, which the other developers will be building. Although, any Back End experience would be advantageous.
You need experience building trading systems but it does not matter what the asset class is. If you have experience with execution management or order management systems, that would be ideal but is not essential. Similarly, it doesn't matter if your financial experience is from the buy-side or the sell-side.
This is a well-backed company that is growing rapidly and will likely IPO in the next 24 months. There is hybrid working with a possibility for remote working.
Salary: £120-150k + 50% Bonus + Pension

About the Company

Joseph Harry was established to deliver a high level recruitment service to IT within the financial sector. Our reach is global in both permanent and temporary contract markets. We pride ourselves in providing quality service to both our clients and candidates, maintaining our long-lasting relationships. We employ consultants who provide an intelligent and knowledgeable approach to ensure greater efficiency and quality in service. We see our staff as our most valuable asset. We value transparency and trust in all our deali... Know more