Senior Frontend Developer

The Acorn Group; Liverpool; On-site; GBP 65,000 - 75,000; Full time

Benefits offered by this job

Hybrid work

Mentorship

Career progression

Mental health support

Job summary

The Acorn Group is seeking a Senior Frontend Developer in Liverpool. You will design and build modern, responsive web apps using React, Next.js and TypeScript, mentor teammates, and collaborate with designers and product owners in an agile setting.

Hybrid in-office and remote work, with salary £65,000–£75,000 depending on experience. Join a team focused on craftsmanship, performance and accessible, high-quality user experiences.

Qualifications

• Proven experience building production-ready frontend applications.
• Strong expertise in React, Next.js and TypeScript.
• Understanding of frontend performance, accessibility and security best practices.
• Experience mentoring others and helping teams improve their craft.

Responsibilities

• Design and develop modern, responsive web applications using React, Next.js and TypeScript
• Build scalable, reusable frontend components with clean, maintainable code
• Collaborate with designers and product owners in an agile environment
• Mentor other developers and help shape frontend standards and practices
• Focus on performance, accessibility and clean design patterns
• Monitor frontend performance using Sentry, PostHog and Grafana

Skills

React

Next.js

TypeScript

Frontend architecture

Tools

Docker

Azure

Sentry

PostHog

Grafana

Job description

We’re looking for a Senior Frontend Developer who loves building seamless, high-quality user experiences and has an eye for detail. You’ll play a key role in creating the next generation of our digital products, shaping how thousands of customers interact with our services every day.

You’ll have the freedom to lead on technical decisions, the support to grow, and the chance to mentor others. We believe learning and sharing knowledge is what makes a team truly exceptional.

We work together in our Liverpool HQ three days a week because collaboration, creativity and quick feedback make for better products and a stronger team.

Role: Senior Frontend Developer

Location: Liverpool City Centre HQ / Hybrid (3 days in office)**
Salary: £65,000–£75,000 depending on experience

What You’ll Do:

• Design and develop modern, responsive web applications using React, Next.js and TypeScript
• Build scalable, reusable frontend components with clean, maintainable code
• Work closely with designers who are part of your squad to bring ideas from concept to polished experiences
• Optimise for performance, accessibility and security
• Use Sentry and PostHog to monitor, measure and improve frontend performance
• Collaborate with backend engineers and product owners in an agile environment
• Mentor other developers and help shape our frontend standards and practices
• Share feedback, suggest improvements and help the team continuously level up

Frontend: React, Next.js, TypeScript
Infrastructure: Nginx, Docker, Azure
Monitoring and Analytics: Sentry, PostHog
Tooling: Git, CI/CD pipelines, Agile methodologies

Experience with React Native is a bonus as we continue expanding our digital products into mobile.

We take craftsmanship seriously and believe great products start with great engineering.

• Testing, code reviews and maintainable architecture are part of our everyday practice
• Focus on performance, accessibility and clean design patterns
• Monitoring and observability with Sentry, PostHog and Grafana for insight into user experience and system health
• A culture of experimentation, learning and continuous improvement

What We’re Looking For:

• Proven experience building production-ready frontend applications
• Strong expertise in React, Next.js and TypeScript
• A solid understanding of frontend architecture, performance and security best practices
• Experience with Docker and Azure deployments
• A collaborative mindset and strong communication skills
• A passion for creating user-focused, beautifully crafted digital experiences
• Experience mentoring others and helping teams improve their craft

Nice to Have:

• Knowledge of modern state management such as Redux or Zustand
• Understanding of accessibility standards and WCAG guidelines
• Familiarity with web performance optimisation and web vitals

Why Join Us

• Modern tech stack and a strong culture of engineering excellence
• Work closely with designers and product owners to shape the user experience
• Career progression into technical leadership or architecture
• Supportive environment with clear standards and room to innovate
• Top-tier tools and a workspace designed for creativity and collaboration

Team and Culture

You’ll join a squad that genuinely enjoys working together. Designers, engineers and product thinkers sit side by side, sharing ideas and solving problems as a team.

We believe in ownership, curiosity and craftsmanship. Everyone has a voice, and we encourage ideas from across the squad. We share knowledge, celebrate success and support each other every step of the way.

If you care about building great products and growing as part of a collaborative, design-led team, you’ll fit right in.

Grow with Acorn

At Acorn Insurance , we’re proud of our Liverpool roots — and even prouder of how far we’ve come. As part of the Acorn Group , we bring over 40 years of specialist insurance expertise to the table. From humble beginnings, we’ve grown into a national leader, now employing 1,700+ people across the UK and reached a milestone £750 million in total value of insurance policies written in 2024.

We’re growing fast, with new opportunities emerging every week. That growth is largely due to the values we share :

W e run through walls for our customers and each other

W e challenge the status quo

W e succeed when we help those around us succeed

We decide quickly when the smart thing to do is use our judgement

A maximum of 35 days’ holiday ( depending on role and tenure) including bank holidays, with addit ional buy/sell options

24/7 mental health support & free counselling available

Grow with us : Through career fairs, leadership programs, and learning on the go!

Flexible benefits , including early access to salary via our internal platform

H ybrid working options to support work-life balance and individual needs

Our Commitment to our colleague ’ s :

T h ese aren’t just words — they’re the principles we live by. And we’re proud to back them up with real action, earning recognition and accreditation from leading organisations that share our commitment to people and growth:

Mindful Employer – championing mental health and wellbeing

Disability Confident Level 1 & 2 – creating accessible, inclusive opportunities

Menopause Friendly accredited – supporting every stage of life

Armed Forces Covenant signatory – honouring those who serve

Armed Forces Defence employer recognition scheme - Supporting those who serve

Great Places to Work 2024/25 – fostering an engaging and positive workplace culture

Best Place to Work for Development – proud to be investing in people’s future

Best Place to Work for Women – breaking down barriers to women's career progression

If you’re looking for a company with a strong culture, real career progression, and a people-first approach — all rooted in the heart of Liverpool — Grow with Acorn.

A Few Things to Know Before You Apply

We’re really excited that you’re considering joining Acorn! To help everything go smoothly, here are a couple of things to keep in mind:

If your application is successful, we will commence relevant employment checks prior to you commencing employment with us. These will include a standard criminal record check and an insolvency register check.

Visa Requirements B ecause our training is quite comprehensive, we can only consider applicants who have at least one year remaining on their Graduate or Post-Study Work visa. At the moment , we’re not able to offer visa sponsorship.

We’re Here to Support You W e’re committed to creating an inclusive, supportive workplace where everyone can flourish . If you need any adjustments during the recruitment process—or once you’re part of the team—just let us know. Whether it’s flexible hours, adapted equipment, or a bit of extra support, we’ll work with you to make sure you can do your best work.