Senior Backend Engineer, Partner Integrations, PHP Symfony
A fantastic opportunity for a Senior Backend Engineer to join a growing, integration-led SaaS company. This is a hands-on role for a true integration engineer who has repeatedly built and maintained connections with different external partners, rather than a general product engineer who has only occasionally connected third-party services. You will use PHP and Symfony to develop a portfolio of production integrations while also contributing to the company’s AWS infrastructure.
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 8:30am UK time.
Salary: £55,000 - £70,000 per annum. Additional paid weekend on-call rota, performance bonus and share options.
Requirements for Senior Backend Engineer, Partner Integrations:
- Strong commercial experience developing production backend systems using PHP
- Commercial Symfony experience within production applications or services
- Proven experience personally building and maintaining multiple integrations with different external partners
- Experience taking integrations through development, testing, launch and ongoing production support
- Strong understanding of REST APIs, webhooks, OAuth, rate limiting, retries, idempotency, queues and asynchronous processing
- Experience building connectors, adapters or transformation layers between different external systems
- Experience monitoring production integrations and investigating failures involving both internal and partner systems
- Meaningful production AWS experience, including containers, monitoring, infrastructure as code and incident response
- Strong understanding of automated testing, code quality and CI/CD practices
- Comfortable adapting integrations when partners change their APIs, schemas, credentials or platform behaviour
- Experience working autonomously within a startup, scale-up, SME or small product engineering team
- A pragmatic approach to engineering, with the ability to balance technical quality against commercial delivery requirements
- Comfortable taking long-term ownership of integrations after launch
- Experience within payments, travel technology, marketplaces, hospitality, accounting software, logistics, e-commerce, martech or another integration-heavy SaaS environment would be beneficial
- Must be based in the UK with existing right to work. Visa sponsorship is not available
Responsibilities for Senior Backend Engineer, Partner Integrations:
- Design, build and maintain a portfolio of integrations with external software platforms
- Develop partner-specific connectors using PHP and Symfony
- Translate different external data structures and behaviors into reliable internal formats
- Take integrations through development, sandbox testing, launch and ongoing support
- Maintain existing integrations as external APIs, schemas and authentication requirements change
- Investigate production failures across internal services and third-party platforms
- Build reliable integration workflows using webhooks, queues and asynchronous processing
- Develop backend platform and API features across a microservices-based environment
- Improve automated testing, observability and CI/CD quality gates
- Contribute to the operation and development of the company’s AWS infrastructure
- Participate in a paid weekend on-call rota supporting urgent integration issues
- Contribute informed opinions to technical and architectural decisions as the platform grows
What this role offers:
- Ownership of business-critical partner integrations within a growing SaaS company
- The opportunity to influence integration architecture, engineering practices and the future direction of the platform
- Excellent longer-term scope to take on wider technical and management responsibilities as the company expands
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).
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.
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Senior Backend Engineer, Partner Integrations, Php Symfony employer: RedTech Recruitment Ltd
RedTech Recruitment Ltd is an exceptional employer for aspiring Cybersecurity Operations Engineers, offering a dynamic work environment in London with the flexibility of hybrid working. The company prioritises employee growth through a clear career progression path and fosters a supportive team culture, ensuring that every team member can thrive while gaining diverse skills in the cybersecurity field. With a commitment to inclusivity and a focus on professional development, RedTech stands out as a rewarding place to build a meaningful career.
