Senior Front-End Engineer

Radley James; Greater London; On-site; GBP 126,000 - 154,000; Full time

Benefits offered by this job

Equity

Pension

Medical insurance

Dental insurance

Parental leave

Job summary

Radley James is partnering with a capital markets technology firm to hire a Senior Front-End Engineer for its London team. You will own and influence front-end architecture, delivering data-intensive applications used by hedge funds, traders, and portfolio managers.

You’ll collaborate with product, design and backend engineering, setting high standards for performance, reliability and user experience while mentoring engineers and leading complex feature delivery.

Qualifications

• Six+ years building scalable React/TypeScript apps.
• Strong front-end architecture and design fundamentals.
• Experience with data-intensive business requirements.
• Proven ownership and mentoring of engineers.
• Excellent communication and delivery quality.

Responsibilities

• Lead the design and delivery of complex front-end features and reusable components.
• Make architectural decisions that support scalability and maintainability.
• Improve engineering standards across testing, tooling and code quality.
• Translate business requirements into clear technical plans.
• Mentor engineers through code reviews and pairing.
• Own production reliability, monitoring and application performance.

Skills

React

TypeScript

Front-end architecture

Data-intensive apps

Ownership

Mentoring

Job description

We are partnering with a capital markets technology firm to hire a Senior Front-End Engineer for its London team.

You will help develop a flagship platform used by hedge funds, traders and portfolio managers, combining hands-on engineering with ownership of front-end architecture and technical delivery.

The opportunity

Joining the team responsible for the platform’s core foundations, you will build complex, data-intensive applications and shared capabilities. You will work closely with product, design and backend engineering teams, influencing how the platform develops and setting high standards for performance, reliability and user experience.

Your responsibilities will include:

• Leading the design and delivery of complex front-end features and reusable components.


• Making architectural decisions that support scalability and maintainability.


• Improving engineering standards across testing, tooling and code quality.


• Translating business requirements into clear technical plans.


• Mentoring engineers through code reviews, pairing and technical guidance.


• Taking ownership of production reliability, monitoring and application performance.

What you’ll bring:

• At least six years of professional experience building scalable applications with React and TypeScript.


• Strong knowledge of front-end architecture, system design and software engineering fundamentals.


• Experience working with complex business requirements and substantial volumes of data.


• A track record of technical ownership, mentoring and improving engineering practices.


• Strong communication skills and a focus on delivering high-quality products.

What’s offered

A base salary of up to £140,000, company equity, pension, medical and dental insurance, and gender-neutral parental leave.