Backend Integration Engineer | PHP, Symfony and AI at RedTech Recruitment Ltd.
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About this role
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
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!
We’re committed to creating an inclusive and accessible recruitment process. If you require reasonable adjustments for your application or during the review process, please highlight this by separately emailing (if this email address has been removed by the job board, full contact details are readily available on our website).
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
RedTech Recruitment Ltd focus on finding roles for Engineers and Scientists. Even if the above role isn’t of interest, please visit our website to see our other opportunities.
We are an equal opportunity employer and value diversity at RedTech. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
Originally posted on Himalayas