Senior Full Stack Engineer
- Hiring Organisation
- Prolo
- Location
- City of London, London, United Kingdom
with graph databases (Neo4j preferred) or willingness to learn quickly Knowledge of event-driven architectures and message queues Knowledge of API design principles, data validation, and serialisation Experience with observability tools (OpenTelemetry, Prometheus, Grafana) Experience with AWS Lambda and serverless architectures Experience working across the stack (backend + some frontend … external tools and data sources Knowledge of LLM evaluation methods — measuring accuracy, hallucination, latency, and cost Awareness of responsible AI practices: bias, safety, output validation, and guardrails in production systems Experience managing LLM costs and optimising for latency vs. quality trade-offs in real deployments Soft Skills Wearer of Many ...