Senior Frontend Developer

TN United Kingdom; Greater London; On-site; GBP 50,000 - 55,000; Full time

Job summary

Join a dynamic and rapidly growing online marketplace that is dedicated to providing the best choice for customers everywhere. This innovative company values collaboration and personal growth, offering a flexible work environment where your contributions matter. As part of a close-knit team, you will develop cutting-edge web applications using modern technologies. With a focus on quality and performance, you will have the opportunity to make a real impact while enjoying competitive benefits, including generous leave and company equity. If you're ready to take charge and thrive in a fast-paced setting, this role is for you.

Benefits

25 days annual leave + Bank Holidays

1 extra day off for your Birthday

Employee Assistance Programme

Perks at Work benefit platform

Opportunities for career development

Company equity

Qualifications

• Experience with modern web frameworks and PHP/MySQL.
• Ability to write clean and performant code.

Responsibilities

• Develop and implement web-based user interfaces.
• Collaborate with a multidisciplinary team to deliver solutions.
• Debug and resolve frontend issues.

Skills

PHP

MySQL

React

Vue.js

Angular

LESS/SCSS

SOLID principles

Tools

Cypress

Job description

OnBuy are an online marketplace who are on a mission of being the best choice for every customer, everywhere.

We have recently been named one of the UK's fastest-growing tech companies in the Sunday Times 100 Tech list.

All achievements we are very proud of, but we don't let that go to our head. We are all laser focused on our mission and understand the huge joint effort ahead of us needed to succeed.

Working at OnBuy:

We are a team of driven and motivated people who thrive when working at pace. To succeed at OnBuy you need to take charge and fully own your responsibilities, rolling your sleeves up when needed to 'get it done'. Working at OnBuy you are surrounded by so much opportunity, but you must possess the ability to stay focused and prioritise ruthlessly. Most importantly, you will thrive in an ever-changing environment as we are constantly evolving.

At OnBuy, you're not just a number or another cog in a machine. We are creating something really special, and you have the opportunity to affect meaningful change and have your voice heard.

We are a close team, who have the opportunity to learn and grow as OnBuy evolves. We work in a flexible way, meaning we can prioritise our health and relationships, but when we are working, we graft.

Key Responsibilities:

• Develop and implement web-based user interfaces following industry best practices and coding standards.
• Collaborate effectively with a multidisciplinary team, including designers, back-end developers, testers and product managers, to deliver high-quality solutions on time
• Participate in code reviews to maintain code quality and ensure adherence to coding standards.
• Stay up to date with the latest frontend technologies, trends, and best practices and apply them to projects.
• Debug and resolve frontend issues and defects, ensuring high-quality code.
• Optimise web applications for maximum speed and scalability.
• Work closely with back-end developers to integrate frontend components with server-side logic.
• Collaborate with the design team to ensure the technical feasibility of UI/UX designs and provide input on usability and interaction.
• Write new frontend tests (JS) and help maintain a suite of automated regression tests (Cypress)
• Drive the adoption of Agile methodologies to boost adaptability, teamwork, and ongoing enhancement within the technical operations team.

Requirements

Experience and Skills:

• Familiarity with PHP and MySQL
• Experience working with modern web frameworks like React, Vue.js or Angular
• Contribute to all phases of the development lifecycle
• Ability to write clean, well-designed and performant code that follows SOLID principles
• LESS/SCSS

The salary range on offer for this role is £50,000 - £55,000 per annum, depending on experience.

We also offer the following benefits:

25 days annual leave + Bank Holidays

1 extra day off for your Birthday

Employee Assistance Programme

Perks at Work benefit platform

Opportunities for career development and progression

Plus in return for helping us to grow, we’ll offer you company equity, meaning you own a piece of this business we are all working so hard to build.

Our Commitment

OnBuy is an equal opportunities employer. We are dedicated to creating a fair and transparent workforce, starting with a recruitment process that does not discriminate on the basis of gender, sexual orientation, marital or civil partnership status, pregnancy or maternity, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability, or age.

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Created on 26/04/2025 by TN United Kingdom