Lead PHP Engineer - Trust & Safety

UK London
Engineering – Software Engineering /
Employee - Regular/Permanent /
Hybrid
Bumble is in search of a Lead Software Engineer in PHP to contribute to the continuous advancement and maintenance of our Trust & Safety ecosystem. The Trust & Safety team is dedicated to catching bad actors and preventing them from harming good users. 

This pivotal role zeroes in on the vital low-level components of our engine, offering you the chance to shape the experiences of millions of users worldwide. With deep integration with AI-powered technologies, we build a comprehensive shield which protects millions of our customers. 

Situated within the Data and Services Group, this role is integral to furnishing the core functionalities of our applications. We emphasize scalability, reliability, performance, and reusability to cater to the demands of end-users and developers alike. Our overarching goal is to develop a balanced system aligned with business objectives, ensuring each problem domain is addressed comprehensively.

What you’ll do

    • Participate in the creation of our Trust & Safety system, including things like:
    • Driving large backend projects leading a working group of engineers (backend / data science / ML)
    • Support existing subsystems written in PHP, Go and C. Regular maintenance of the system and aligning it with existing data governance requirements
    • Writing services and running them in the cloud and on-prem data centres using contemporary technologies like K8s, ArgoCD, Vault.
    • Support our critical PHP-based backend software, optimised for performance and reliability, holding data for hundreds of millions of users, and interacting via GRPC.
    • Help to implement AI-driven models for surviving our customers' requests and enhancing the existing system capabilities
    • Optimise backend code, look for bottlenecks and maintain the health of your services in production
    • Suggest and implement innovative solutions
    • Proactively communicate with colleagues to refine application design
    • Actively participate in the whole process of development, from initial design to deployment and support
    • Write backend code using PHP, Go or Kotlin

About you:

    • A Computer Science/Tech related degree is highly desirable
    • Extensive experience in PHP language
    • Experience in relational databases and SQL, preferably MySQL
    • Understanding how to optimise and fine-tune backend application that uses MySQL or other external data sources
    • Experience with caching, sharding, replication, reliability and scalability issues
    • Knowledge of *nix console environment
    • Experience in building large-scale solutions
    • Strong collaboration skills
    • Proven experience driving big backend projects with multiple people involved
    • Strong will to learn new technologies
    • Solid communication skills and team-working capability