Junior Front End Developer

Contract Type: Full Time

Location: Hybrid (3 days office, 2 days remote)

Start Date: April 2026

Salary: Upon Application

OnBrand is looking for a proactive, enthusiastic and highly organised Junior Front End Developer to join our growing team and support the delivery of websites, digital platforms and interactive user experiences across a varied portfolio of client projects.

Role Summary

This role will focus on supporting the development, maintenance and optimisation of front-end websites and digital experiences, with a particular emphasis on React and WordPress.

Working closely with our development team, designers and wider digital specialists, you will be responsible for building and updating responsive websites, implementing front-end features, supporting WordPress builds and contributing to React-based projects. You will help turn approved creative concepts and designs into clean, functional and user-friendly digital experiences that align with both client objectives and user needs.

This role is ideal for someone who is passionate about front-end development, has a strong interest in modern web technologies and is looking to build their experience across both React applications and WordPress websites in a fast-paced agency environment.

You will work alongside our developers, designers, account managers and strategists to deliver high-quality digital work that performs well, looks great and supports wider marketing goals.

Key Responsibilities

Front End Development

• Build responsive and user-friendly front-end layouts for websites and digital platforms
• Support the development of components and features using React
• Assist with the creation, maintenance and updating of WordPress websites
• Convert designs, wireframes and mock-ups into high-quality front-end code
• Write clean, structured and reusable HTML, CSS, JavaScript and JSX
• Support the development team in delivering websites to a high technical and visual standard

WordPress Development Support

• Assist with the build and development of WordPress websites with a high level of attention to detail
• Accurately build out website pages and templates from approved designs and wireframes
• Ensure finished websites closely reflect creative layouts across desktop, tablet and mobile
• Support the maintenance and improvement of existing WordPress websites
• Work with custom themes, plugins and CMS functionality where required
• Help ensure websites are easy for clients and internal teams to manage and update

React Development Support

• Support the build and maintenance of front-end interfaces using React
• Assist with component creation and styling across React-based projects
• Work with senior developers to implement dynamic content and interactive elements
• Help improve usability, responsiveness and consistency across digital products

Website QA, Maintenance & Optimisation

• Test websites and front-end builds across desktop and mobile devices
• Identify and resolve front-end bugs, layout issues and styling inconsistencies
• Support website launches, updates and ongoing maintenance tasks
• Help improve website performance, accessibility and cross-browser compatibility
• Assist with troubleshooting front-end issues across live and staging environments

Collaboration

• Work closely with designers to ensure creative concepts are accurately brought to life
• Collaborate with developers, strategists and account managers throughout project delivery
• Support the wider digital needs of OnBrand’s broader client portfolio
• Contribute ideas and solutions that improve project quality, workflow and user experience

What success looks like in this role

• Consistent delivery of high-quality front-end work
• Well-built, responsive and visually accurate websites and digital interfaces
• Strong support across React and WordPress projects
• Improved website usability, performance and responsiveness
• Positive feedback from clients and internal teams
• Successful support of website builds, launches and ongoing digital development projects

Skills & Experience

Essential

• Basic commercial, freelance or personal project experience in front-end development
• Good understanding of HTML, CSS and JavaScript
• Experience or familiarity with React
• Experience or familiarity with WordPress
• Understanding of responsive design and mobile-first development
• Strong attention to detail and ability to follow design layouts accurately
• Basic understanding of website testing, debugging and browser compatibility
• Familiarity with Git or other version control tools
• Strong organisational skills and ability to manage multiple tasks
• Excellent communication and collaboration skills

Desired

• Experience working with custom WordPress themes
• Basic knowledge of PHP in a WordPress environment
• Experience with SCSS or CSS frameworks
• Experience using page builders or Advanced Custom Fields
• Understanding of web accessibility best practice
• Basic experience working with APIs or dynamic content
• Agency experience or experience working across multiple client projects

Personal Attributes

• A proactive thinker with a genuine passion for front-end development
• Highly organised and able to manage multiple digital tasks and deadlines
• A collaborative team player who enjoys working in a fast-paced environment
• Detail-oriented with a strong eye for layout, consistency and usability
• Enthusiastic about learning new technologies and improving technical skills
• Positive, adaptable and keen to contribute to the wider team

About OnBrand

OnBrand is a full-service marketing agency based in St Albans, specialising in destination, retail and place marketing.

With a growing client portfolio and a team of ambitious specialists, OnBrand offers a collaborative environment where ideas are encouraged, innovation is embraced and career progression is supported.

Benefits

• 20 days annual leave + Bank Holidays
• Westfield Primary Healthcare Plan
• Company pension
• Office gym
• Weekly office food order
• Casual dress (excluding meetings)
• Opportunity to work from home up to 2 days a week

If you’re interested in this role, please send a CV and cover letter to [email protected]
.