Galaxi Consulting Group
Senior PHP Developer
Get notified of more jobs like this · No spam, ever
How your CV stacks up
Upload your CV to see how well it fits this job role
?%
Senior PHP Developer – Technical Architect
Location: London, UK – Hybrid (2–3 days/week in office)
Experience: 9+ years
Employment Type: Permanent / Contract
Salary: Up to £90,000–£94,000 per annum
Contract Rate: £500 per day
Work Authorisation: Valid UK work authorisation is mandatory
Role Overview
We are looking for a Senior PHP Developer – Technical Architect with 9+ years of experience in backend development and large-scale production systems. The ideal candidate will have strong PHP expertise combined with experience designing scalable, highly available architectures for high-traffic consumer products.
Key Responsibilities & Skills
- Design, develop and operate high-scale PHP backend systems.
- Build robust, scalable and highly available production systems.
- Design and maintain APIs, client-server communication and mobile API versioning.
- Work extensively with MySQL, caching, distributed systems and high-availability architectures.
- Hands-on experience with gRPC and Protocol Buffers.
- Work with GCP, Kafka, Kubernetes, Docker and CI/CD.
- Drive performance optimisation, monitoring, observability and incident management.
- Work with monetisation and payment systems, including subscriptions and in-app purchases.
- Collaborate closely with Product, QA, Design and Mobile Engineering teams.
- Use modern AI-assisted development tools, including Claude Code, where appropriate.
Reasons to use Rodeo
Start with a chat, not a search bar
Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.
It searches the market for you
Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
Preferred Skills
- Degree in Computer Science or a related discipline.
- Experience with Aerospike, ClickHouse and Elasticsearch.
- Experience working with large monolithic applications and cloud migration programmes.
- Good understanding of GDPR and consumer data privacy requirements.
Ideal Candidate
The successful candidate will combine strong hands-on PHP development skills with technical architecture, scalability and system-design expertise. Experience working on high-traffic consumer-facing platforms and production systems at scale is highly desirable.
Get help with your application
Your very own career expert that helps elevate your application to the next level.
Mandatory:
- 9+ years of relevant experience and valid UK work authorisation.
- Strong recent PHP backend development
- High-traffic / high-scale production systems
- API design + mobile API versioning
- MySQL + caching + distributed systems
- gRPC / Protocol Buffers
- GCP + Kubernetes + Docker + CI/CD
- Architecture / technical design experience
- Monitoring, observability & performance optimisation
- Valid UK work authorisation
- London hybrid – 2–3 days WFO
- Ideally, payments/subscriptions/in-app purchases
Nice-to-have:
- Aerospike, ClickHouse, Elasticsearch, Kafka, cloud migration, GDPR, and AI-assisted development tools.
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
Skills
Location