Senior Magento Developer

We're working with a growing UK/EU e-commerce business that's investing heavily in its digital capability. They're now hiring a Senior Magento Developer to take end-to-end ownership of their Magento 2 platform and supporting infrastructure. This is a hands-on, senior position where your work will directly influence platform stability, performance, and business growth.

If you enjoy solving complex e-commerce challenges, working across integrations and marketplaces, and being trusted to lead technical decisions - this role offers genuine impact and long-term progression.

The Opportunity

You'll become the technical owner of a multi-store Magento 2 environment, responsible for architecture, integrations, platform performance, and continuous improvement. Working closely with internal teams and external partners, you'll deliver a secure, scalable and resilient platform supporting customers across the UK and Europe.

This role suits someone who enjoys responsibility, variety, and having the freedom to improve systems rather than simply maintain them.

Key Responsibilities

• Own the stability, performance and development of the Magento 2 platform, including custom module development, upgrades and optimisation

• Lead production issue resolution while maintaining strong security, monitoring and resilience standards

• Manage critical integrations and data flows across ERP, middleware, marketplaces and analytics platforms

• Maintain APIs, automation workflows, cron jobs and backend processes ensuring data accuracy across stock, pricing, orders and customers

• Support multichannel operations including eBay, Amazon and Google Merchant Centre

• Maintain clean, scalable code with strong Git and CI/CD practices

• Act as the technical lead for e-commerce systems, owning documentation, deployments and knowledge sharing

• Strong commercial experience developing Magento 2 (Open Source) platforms

• Proven track record supporting live, revenue-generating e-commerce websites

• Deep understanding of Magento architecture, APIs and ORM

• Solid web stack knowledge: PHP, MySQL, Python, HTML, CSS, JavaScript

• Experience owning integrations and complex data flows (ERP, feeds, marketplaces)

• Confident using Git/Bitbucket and structured deployment workflows

• Strong troubleshooting and problem-solving skills

• Ability to communicate technical decisions clearly to non-technical stakeholders

• Strong awareness of security, compliance and data privacy best practices

Nice-to-Have Skills

• ERP integrations (NAV / Business Central)

• Middleware or integration-heavy environments

• Varnish, Elasticsearch/OpenSearch

• Magento certifications

• AWS or Cloudflare experience

• Hyvä theme development

• Headless or composable commerce exposure

• Experience leading technical delivery in fast-paced e-commerce environments