Principal Front End & React Developer

Avanti Recruitment; Manchester; On-site; GBP 70,000 - 85,000; Full time

Job summary

A leading UK technology organization seeks a Principal Front End Developer to lead architectural strategies and drive hands-on development using React and TypeScript. You'll mentor engineers and influence product standards within a supportive environment. The role is almost fully remote but requires one on‑site day per month in Manchester. As part of a strong benefits package, you can expect a competitive salary up to £85,000, private healthcare, and generous holiday policies.

Benefits

Competitive salary up to £85,000

7 percent matched pension contribution

Private healthcare and wellbeing support

Life assurance scheme

25 days holiday plus bank holidays

Birthday day off

Company bonus scheme

Learning and development support

Qualifications

• Deep React and TypeScript experience in mature, complex product environments.
• Track record of influencing architecture, standards, and long-term direction.
• Experience mentoring both junior and senior engineers.

Responsibilities

• Lead architectural and front end direction across several products.
• Hands-on development using React, TypeScript, and modern front end tools.
• Mentor engineers from apprentice level to senior/lead.

Skills

React

TypeScript

Mentoring

Cloud environments (AWS)

CI/CD pipelines

Automated testing

Tools

Playwright

Job description

Principal Front End / React Developer

Up to £85,000 | Remote (1 day per month required in Manchester)

We are supporting a UK technology organisation seeking a Principal Front End Developer to take a senior, hands‑on role within their engineering team. This position combines deep technical ownership with the ability to guide, influence and raise standards across multiple long‑lived products.

The Role

You will act as the senior front end authority across the business, working closely with other principals, tech leads and cross‑functional teams. Key aspects of the role include:

• Leading architectural and front end direction across several products
• Hands‑on development using React, TypeScript and a broad modern front end toolkit
• Improving a large, evolving front end estate with inconsistent legacy patterns
• Breaking down major refactors and tech debt into realistic, incremental pieces
• Being the go‑to person for complex front end problem solving
• Mentoring engineers from apprentice level right through to senior/lead
• Supporting high standards in testing, automation and release processes
• Helping bring consistency and clarity to the wider front end approach

This role suits someone who enjoys improving real product systems rather than purely working on greenfield builds.

Required Experience

You must have:

• Deep React and TypeScript experience in mature, complex product environments
• A track record of influencing architecture, standards and long‑term direction
• Experience mentoring both junior engineers and highly capable seniors
• Exposure to automated testing and tools such as Playwright
• Experience with cloud‑based environments – AWS
• Experience working within CI/CD pipelines and delivering production‑ready software

Benefits

The organisation offers a strong and genuinely supportive benefits package, including:

• Competitive salary up to £85,000
• 7 percent matched pension contribution
• Private healthcare and wellbeing support
• Life assurance scheme
• 25 days holiday plus bank holidays, with the option to buy or sell up to five days
• Birthday day off
• Company bonus scheme
• Learning and development support

Working Pattern

• Almost fully remote
• Requirement to attend one on‑site day per month – Manchester

If this position is of interest, please apply for immediate consideration