Principal React Engineer - Financial Services

ZipRecruiter; City Of London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading tech company in London is seeking a Principal/Lead Frontend Engineer. You will build responsive UI components using React and TypeScript and collaborate with key stakeholders to enhance a financial research platform. The ideal candidate has strong experience in JavaScript, APIs, and cloud technologies, along with problem-solving skills and familiarity with the financial sector. This role offers a dynamic environment focused on quality and innovation.

Qualifications

• Strong hands-on development experience in React and TypeScript in an enterprise environment.
• Solid understanding of JavaScript fundamentals like scopes and closures.
• Experience with cloud technologies and APIs.
• Knowledge of best practices and modern development workflows.

Responsibilities

• Build highly responsive UI components using React and TypeScript.
• Ensure high-quality, testable, and scalable software.
• Interact with stakeholders for platform enhancements.
• Oversee the full software development life cycle.

Skills

React development

TypeScript development

API experience (REST, GraphQL, WebSockets)

Problem-solving skills

Understanding of JavaScript fundamentals

Knowledge of software engineering best practices

Experience in financial services

Tools

AWS AppSync

CloudFront

Job description

Overview

You will join as a Principal/Lead Frontend Engineer focused on Readt where you will play a key role in delivering a first-class platform to support quantitative research.

You will be responsible for building highly responsive UI components using React and TypeScript, ensuring that the software you produce is high-quality, testable, and scalable.

Working as part of a business-facing team, you will enjoy high visibility and regular interaction with key stakeholders and end users, refining and enhancing our investment and research platform in line with evolving business requirements.

In summary

Responsibilities

• Strong hands-on React and TypeScript development experience in an enterprise environment and proficiency with React packages, libraries and tools for builds, state management, data visualisation, testing and code quality
• Solid understanding of JavaScript fundamentals (eg scopes, closures, function binding)
• Experience with APIs (REST, GraphQL, WebSockets) and cloud technologies such as AWS AppSync and CloudFront
• Knowledge of software engineering best practices, design patterns and modern development workflows
• Strong problem-solving skills with the ability to think creatively and communicate ideas effectively, including UX collaboration
• Familiarity with financial services or asset management and confidence working in a regulated environment
• Comfortable overseeing the full software development life cycle and taking ownership of delivery

Qualifications

• Strong hands-on React and TypeScript development experience in an enterprise environment and proficiency with React packages, libraries and tools for builds, state management, data visualisation, testing and code quality
• Solid understanding of JavaScript fundamentals (eg scopes, closures, function binding)
• Experience with APIs (REST, GraphQL, WebSockets) and cloud technologies such as AWS AppSync and CloudFront
• Knowledge of software engineering best practices, design patterns and modern development workflows
• Strong problem-solving skills with the ability to think creatively and communicate ideas effectively, including UX collaboration
• Familiarity with financial services or asset management and confidence working in a regulated environment
• Comfortable overseeing the full software development life cycle and taking ownership of delivery