Senior Backend Developer | Agency | Hybrid or remote ON | $100-110K in London

Senior Backend Developer | Agency | Hybrid or remote ON | $100-110K in London

London Full-Time 47181 - 52413 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Lead the design and development of scalable web applications using PHP and innovative technologies.
  • Company: Join a forward-thinking digital agency known for its creative and collaborative culture.
  • Benefits: Enjoy a competitive salary, flexible work options, and opportunities for continuous learning.
  • Other info: Dynamic environment with a focus on AI, automation, and career growth.
  • Why this job: Make an impact by working on cutting-edge projects and mentoring fellow developers.
  • Qualifications: 6+ years of PHP experience and strong skills in API-driven solutions and web services.

The predicted salary is between 47181 - 52413 £ per year.

The Company

An established and forward-thinking digital agency is seeking a Senior Backend Developer to join its growing team in London, Ontario.

Known for delivering enterprise-grade digital solutions for mid-market and enterprise organizations, this innovative firm combines strategy, technology, and creativity to build high-performing web applications and marketing technology platforms.

Collaboration, continuous learning, and emerging technologies—including AI-powered development workflows—are at the heart of its culture.

The Role

This is an opportunity for an experienced backend developer to lead the design, development, and delivery of scalable web applications and integrations.

Working alongside designers, UX specialists, product owners, and fellow developers, the successful candidate will build robust PHP-based solutions, architect API-driven systems, mentor team members, and help shape development best practices.

This role also embraces AI and automation to improve efficiency while maintaining accountability for code quality and technical excellence.

Responsibilities

  • Design, develop, maintain, and optimize enterprise web applications using PHP and CMS platforms such as Word Press.
  • Build and integrate REST, Graph QL, SOAP, and webhook-based APIs.
  • Develop headless CMS and API-first architectures.
  • Write clean, reusable, well-tested code that meets established quality standards.
  • Utilize AI and automation tools to improve development workflows and accelerate delivery.
  • Collaborate with cross-functional teams to deliver innovative digital solutions.
  • Provide technical leadership, mentorship, and architectural guidance to developers.
  • Troubleshoot complex technical challenges and recommend scalable solutions.
  • Identify project risks, communicate progress, and contribute to Agile Scrum ceremonies.
  • Champion continuous improvement across development processes and best practices.

Requirements

  • 6+ years of professional PHP development experience.
  • 4+ years designing API-driven and headless CMS solutions.
  • Strong experience with REST, Graph QL, SOAP, web services, and system integrations.
  • Advanced knowledge of My SQL and database optimization.
  • Experience architecting scalable software solutions and integration patterns.
  • Proficiency with Laravel, Symfony, Code Igniter, or similar PHP frameworks.
  • Experience with Git, unit testing, CI practices, and Agile development.
  • Strong understanding of AI-assisted development, automation tools, and workflow platforms.
  • Knowledge of web security, WCAG standards, and modern software design principles.
  • University degree or college diploma in Software Development, Computer Science, Engineering, or a related discipline.
  • #welcometowhitebay #sineadbuckley

Senior Backend Developer | Agency | Hybrid or remote ON | $100-110K in London employer: White Bay

This established digital agency in London, Ontario, is an excellent employer for a Senior Backend Developer, offering a dynamic work culture that prioritises collaboration and continuous learning. With a strong focus on innovation and the integration of emerging technologies like AI, employees are encouraged to grow their skills while contributing to impactful projects. The hybrid or remote work options provide flexibility, making it an attractive workplace for those seeking meaningful and rewarding employment.

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Contact Details:

White Bay Recruitment Team

We think you need these skills to ace Senior Backend Developer | Agency | Hybrid or remote ON | $100-110K in London

PHP Development
API Design
REST
GraphQL
SOAP
Headless CMS
MySQL