Careers ยป Senior Backend Developer (PHP / AI)
Multis UK Limited is looking for an experienced Senior Backend Developer for the development and improvement of production systems, APIs and online marketplace platforms. AI-assisted development is part of our everyday workflow.
Form of employment: part-time, full-time, contract
Location: Remotely
Job responsibilities:
Design and development of backend applications and REST APIs
Development in PHP 8+ with SQL databases
Architecture and improvement of existing production systems
Search, automation and third-party service integrations
Code review, debugging and automated testing
Use of AI coding tools and AI agents for development, research, testing and code review
Integration of AI APIs and agents into applications where appropriate
Technical guidance for junior developers
Requirements:
Strong commercial backend development experience
Very good PHP and SQL knowledge
Experience designing and maintaining REST APIs
Git and modern development workflows
Linux and Docker experience
Ability to understand and improve existing codebases
Ability to work independently and make sound technical decisions
Comfortable using modern AI coding tools and AI agents as part of development
Advantage:
MySQL and PostgreSQL
Elasticsearch and search technologies
Microsoft Azure or other cloud platforms
JavaScript or TypeScript
Automated functional and API testing
Microservices and asynchronous processing
Experience integrating LLM/AI APIs, agents or AI-assisted content processing
We offer:
Work on real international production systems and online marketplaces
Modern development workflow including AI-assisted engineering
Flexible remote cooperation
High level of technical independence
Opportunity to influence architecture and technical direction
If you are interested in this position, please send your CV and a short introduction to info@multisltd.co.uk. Please include "Senior Backend Developer" in the subject line or here.
Contact for this job position:
Multis UK Limited
info@multisltd.co.uk
Senior Backend Developer (PHP / AI)
Multis UK Limited is looking for an experienced Senior Backend Developer for the development and improvement of production systems, APIs and online marketplace platforms. AI-assisted development is part of our everyday workflow.
Form of employment: part-time, full-time, contract
Location: Remotely
Job responsibilities:
Design and development of backend applications and REST APIs
Development in PHP 8+ with SQL databases
Architecture and improvement of existing production systems
Search, automation and third-party service integrations
Code review, debugging and automated testing
Use of AI coding tools and AI agents for development, research, testing and code review
Integration of AI APIs and agents into applications where appropriate
Technical guidance for junior developers
Requirements:
Strong commercial backend development experience
Very good PHP and SQL knowledge
Experience designing and maintaining REST APIs
Git and modern development workflows
Linux and Docker experience
Ability to understand and improve existing codebases
Ability to work independently and make sound technical decisions
Comfortable using modern AI coding tools and AI agents as part of development
Advantage:
MySQL and PostgreSQL
Elasticsearch and search technologies
Microsoft Azure or other cloud platforms
JavaScript or TypeScript
Automated functional and API testing
Microservices and asynchronous processing
Experience integrating LLM/AI APIs, agents or AI-assisted content processing
We offer:
Work on real international production systems and online marketplaces
Modern development workflow including AI-assisted engineering
Flexible remote cooperation
High level of technical independence
Opportunity to influence architecture and technical direction
If you are interested in this position, please send your CV and a short introduction to info@multisltd.co.uk. Please include "Senior Backend Developer" in the subject line or here.
Contact for this job position:
Multis UK Limited
info@multisltd.co.uk