Back-end Magento Developer

iSupport Worldwide; Braintree; On-site; GBP 50,000 - 70,000; Full time

Job summary

A tech-forward outsourcing company in the UK is seeking a Magento Back-End Developer to build high-performance e-commerce systems. You will develop custom Magento 2 modules, integrate various platforms, and optimize performance. The ideal candidate has 3–7 years of Magento experience and a strong command over backend technologies. The company offers a comprehensive HMO, dynamic events, and above-industry salary packages.

Benefits

Free learning and development courses

Comprehensive HMO benefits

Dynamic company events

Above-industry salary package

Free meals and snacks

Qualifications

• 3–7 years as a Back-End Developer specializing in Magento 2
• Strong experience developing custom Magento modules
• Experience with API authentication: OAuth, JWT

Responsibilities

• Develop custom Magento 2 modules and extensions
• Integrate Magento with ERP, CRM, and other platforms
• Optimize backend performance and database queries

Skills

Magento Commerce / Adobe Commerce

Custom Magento modules and extensions

PHP 7.4+/8.x

MySQL/MariaDB optimization

EAV model

Git

Docker

Education

Bachelor’s degree in Computer Science or equivalent

Tools

PHPUnit

Xdebug

Redis

Varnish

Job description

We are looking for a Magento Back-End Developer who can build high-performance, secure, and scalable e-commerce systems. You will develop custom Magento 2 modules, integrate ERP/CRM/PIM systems, optimize performance, maintain platform security, and support complex API workflows. If you excel in solving backend challenges and delivering robust Adobe Commerce solutions, this role is for you.

What is your mission?

You will provide the best service to our partnerbrands by performing these tasks:

• Develop custom Magento 2 modules and extensions
• Integrate Magento with ERP, CRM, PIM, and other third-party platforms
• Build and maintain custom APIs and synchronization processes
• Optimize backend performance and database queries
• Troubleshoot and resolve complex backend issues
• Apply Magento patches and maintain platform security
• Write unit tests and perform code reviews
• Produce technical documentation for system components
• Mentor junior developers and collaborate cross-functionally with product, QA, and front-end teams
  

Who are we looking for?

• Bachelor’s degree in Computer Science, Information Technology, or equivalent experience
• 3–7 years as a Back-End Developer specializing in Magento 2
• Strong experience with Magento Commerce / Adobe Commerce
• Proven experience developing custom Magento modules and extensions
• Deep knowledge of Magento 2 architecture , DI, plugins, observers, events
• Strong command of EAV model , service contracts, repository patterns
• Experience with indexers, cron jobs, message queues, CLI commands
• Advanced experience with PHP 7.4+/8.x , OOP, and design patterns
• Expertise in MySQL/MariaDB optimization, indexing, normalization, query tuning
• Experience with Redis , Varnish , and caching strategies
• Integration experience with ERP, CRM, PIM, and payment gateways (Adyen, Stripe, PayPal, Braintree)
• Experience with API authentication: OAuth, JWT
• Proficiency with Git, Composer , Docker, CI/CD (Jenkins, GitLab CI, GitHub Actions)
• Experience with PHPUnit, Xdebug, monitoring tools (New Relic)
• Experience with cloud platforms (AWS, Azure, GCP)
• Nice-to-have: Multi-store setups, B2B commerce, OMS experience
• Nice-to-have: Elasticsearch/OpenSearch, RabbitMQ, PWA backend support
• Magento Certification preferred (Professional Developer)
• Contributions to Magento open-source community a plus
• Strong problem-solving, communication skills, and ability to work in a collaborative engineering culture

Company Perks

Free learning and development courses for your personal andcareer growth

Comprehensive HMO benefitsand insurance since day 1

Dynamic company events

Above-industry salary package and incentives

Opportunities for promotion

Free meals and snacks

Our Values

Worldwide, strongly upholdour values to be of service to our people, our clients, and our community.

WE PUT PEOPLE FIRST

We consider our people as the foundation ofour success.

WE STRIVE FOR EXCELLENCE

Our commitment to quality ensures that wealways do our best.

WE EMBRACE INNOVATION

We stay agile and fast, always looking forways to solve our clients’ needs.

WE DELIVER DELIGHT

We pride ourselves on helping our clients reach their full potential.

WE CREATE REAL IMPACT

We do things right and we get the job done.

We are one of the leading modern offshoring companies in thePhilippines.

Founded in 2006,iSupport Worldwide is a US-Owned BPO companythat provides world-class and dedicatedstaffing, facilities, and managed operations forfast-growing companies and small to medium-sizedbusinesses in any industry, vertical, andlanguage.