Backend Integration Engineer | PHP, Symfony and AI
- Salary
- £55K–£70K
- Hiring from
- United Kingdom
- Work type
- Remote
- Posted
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Job Description
Backend Integration Engineer | PHP, Symfony and AI
A fantastic opportunity for an experienced Backend Integration Engineer to join a growing SaaS company whose product depends on reliable connections with external software platforms. This is a hands-on role for someone who has personally built and maintained multiple connectors to other companies’ APIs. You will work primarily with PHP and Symfony, using AI-assisted development tools as part of your everyday engineering workflow.
Location: Fully remote within the UK, although ideally you will be based near London. You must be available to travel to London for occasional team meetings and start work at 8:30 am UK time.
Salary: £55,000 - £70,000 per annum depending on experience. Less senior candidates are likely to be considered around £60,000, with the upper end reserved for those offering broader senior-level experience. Additional paid weekend on-call rota, performance bonus and share options.
Requirements for Backend Integration Engineer:
- Strong hands-on commercial experience developing production systems using PHP and Symfony
- Genuine experience personally building and maintaining connectors to multiple external platforms
- Experience integrating with other companies’ APIs, rather than primarily developing your own APIs for others to consume
- Proven ownership of integrations after launch, including maintaining them when external APIs, schemas, credentials or platform behaviour change
- Strong understanding of REST APIs, webhooks, OAuth, rate limiting, retries, idempotency, queues and asynchronous processing
- Experience monitoring integrations in production and investigating failures across internal and external systems
- Regular use of AI-assisted development tools as part of your day-to-day software engineering work
- Ability to work autonomously, make sound technical judgements and progress work without detailed instructions
- Experience with automated testing, code quality and CI/CD practices
- Some production AWS experience, although extensive infrastructure ownership is no longer required
- Evidence of sustained contribution and ownership within at least one organisation
- Comfortable committing fully to a permanent, full-time position
- Experience within food and beverage technology would be beneficial, although a genuine interest in working within the sector is also welcomed
- Must be based in the UK with existing right to work. Visa sponsorship is not available
Responsibilities for Backend Integration Engineer:
- Design, build and maintain connectors to multiple external software platforms
- Develop integration services using PHP and Symfony
- Take integrations through development, testing, launch and ongoing production support
- Maintain integrations as partners change their APIs, schemas and authentication requirements
- Build adapters and transformation layers between different external systems
- Develop reliable workflows using REST APIs, webhooks, queues and asynchronous processing
- Monitor live integrations and investigate failures involving both internal and partner systems
- Use AI-assisted development tools to support coding, testing, code review and technical analysis
- Develop automated tests and strengthen CI/CD quality gates
- Contribute to backend platform features and technical architecture
- Support the operation of the company’s AWS environment
- Take ownership of technical problems and propose appropriate solutions
- Participate in a paid weekend on-call rota supporting urgent integration issues
What this role offers:
- Ownership of business-critical integrations that sit at the heart of the company’s product
- The opportunity to use AI-assisted engineering tools as a core part of everyday development
- Excellent scope to influence technical decisions and take on wider responsibility as the company grows
Applications:
If you would like to apply for this unique Backend Integration Engineer role, please send your CV via the relevant links!
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Keywords: Backend Integration Engineer / Software Integration Engineer / Partner Integration Engineer / PHP Developer / Symfony Developer / Backend Software Engineer / API Integration Engineer / Connectivity Engineer / Ecosystem Engineer / Connector Engineer / Integration Platform Engineer / Senior Backend Engineer / PHP / Symfony / AWS / REST APIs / Webhooks / OAuth / Docker / Terraform / Microservices / CI/CD / GitHub Actions / Message Queues / AI-Assisted Development / Claude Code / Generative AI / Event-Driven Architecture / MySQL / MariaDB / Redis / DynamoDB / Computer Science / Software Engineering / Information Technology / Computing / Mathematics
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