Enable job alerts via email!

Senior Frontend Developer

83zero

London

On-site

GBP 35,000 - 50,000

Full time

3 days ago

Be an early applicant

Boost your interview chances

Create a job specific, tailored resume for higher success rate.

Job summary

A fast-growing investment technology platform seeks a talented Senior React Developer to join its frontend team. In this collaborative role, you will work on essential web applications for trade execution and risk analysis, mentoring junior developers and ensuring a high-quality user experience.

Benefits

Enhanced health insurance covering dental and mental health

Financial support for professional development

Annual bonus eligibility

Qualifications

Strong TypeScript and React skills required.
Experience with testing frameworks like Vitest and Playwright.
Ability to write high-quality CSS.

Responsibilities

Deliver high-quality, tested features across core applications.
Collaborate on end-to-end features with cross-functional teams.
Mentor junior developers and enhance UX.

Skills

TypeScript

React

State Management

CSS

Tools

Vitest

Playwright

This range is provided by 83zero. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

Direct message the job poster from 83zero

A fast-growing investment technology platform is seeking a talented Senior React Developer to join its frontend development team. The successful candidate will work on a suite of web applications supporting trade execution, portfolio management, and risk analysis across private equity, private debt, and real estate investment strategies.

The frontend team collaborates closely with quantitative analysts, backend engineers, and platform teams to evolve the company’s core technology platform.

Key Responsibilities:

Deliver high-quality, tested features across core applications such as the order and risk management systems

Collaborate with cross-functional teams on end-to-end features

Mentor junior developers through code reviews and guidance

Enhance UX and maintain consistent design principles across the platform

Participate in Agile ceremonies including stand-ups, backlog refinement, and retrospectives

Evaluate and improve the frontend architecture, including state management and API integrations

Help implement real-time frontend/backend communication using WebSockets

Extend and optimise the use of Nx for a frontend monorepo setup

Leverage Zustand and TanStack Query for state/data handling, and React Router for navigation

Work on real-time data visualisation, such as interactive market data graphs using HighCharts

Improve spreadsheet-like data displays using HandsOnTable for better performance and usability

Requirements:

Strong TypeScript and React skills

Experience with state management libraries (e.g., Zustand)

Proficiency in writing clean, testable code with solid test coverage

Experience with testing frameworks such as Vitest and Playwright

Familiarity with REST or GraphQL API design

Ability to write high-quality CSS

Independent ownership of deliverables and strong communication skills in a collaborative environment

Preferred Qualifications:

Experience working on financial risk management software or related platforms

Competitive salary with eligibility for annual bonus

Enhanced health insurance with dental, optical, and mental health coverage

Financial support for continued professional development and qualifications

Seniority level

Seniority level
Mid-Senior level

Employment type

Employment type
Full-time

Job function

Job function
Information Technology

Referrals increase your chances of interviewing at 83zero by 2x

London, England, United Kingdom £35,000.00-£50,000.00 1 month ago