Frontend Developer

Harnham; Greater London; Hybrid; GBP 64,000 - 80,000; Full time

Benefits offered by this job

Hybrid working

Growth opportunity

Job summary

Harnham, a UK-based AI software company, is building a next-generation platform for the investment and financial services sector. You will join a founding-style engineering team in London to shape product and technical direction from an early stage.

You will build the user-facing experience, creating intuitive interfaces for interacting with complex data and AI-powered workflows, collaborating with Product, Design and Engineering to deliver new features.

Qualifications

• Commercial React experience required.
• Production TypeScript experience.
• Experience building SaaS or B2B products.

Responsibilities

• Build modern web applications using React and TypeScript.
• Develop dashboards, reporting tools and AI-driven user experiences.
• Collaborate with Product teams to define and deliver new features.
• Improve application performance and scalability.
• Contribute to frontend architecture and engineering best practices.
• Write high-quality, maintainable and tested code.

Skills

React

TypeScript

SaaS/B2B

Job description

We're working with an AI software company building a next-generation platform for the investment and financial services sector.

This is a unique opportunity to join a founding-style engineering team, helping shape both the product and technical direction from an early stage. Whilst the environment feels like a startup, the business benefits from the backing, investment and stability of an established parent company.

The Role

You'll be responsible for building the user-facing experience of the platform, creating intuitive interfaces that allow customers to interact with complex data and AI-powered workflows.

Working closely with Product, Design and Engineering teams, you'll play a key role in shaping how users experience the platform.

Key Responsibilities

• Build modern web applications using React and TypeScript
• Develop dashboards, reporting tools and AI-driven user experiences
• Collaborate with Product teams to define and deliver new features
• Improve application performance and scalability
• Contribute to frontend architecture and engineering best practices
• Write high-quality, maintainable and tested code

Ideal Background

• Strong commercial React and TypeScript experience
• Experience building SaaS or B2B products
• Comfortable working in fast-moving environments
• Exposure to cloud environments and modern development practices

Package

• Up to £80,000 + Benefits
• Hybrid working (3 days per week in King's Cross)
• Opportunity to join a growing AI business at a key stage of its journey