Java Developer
- Hiring Organisation
- Lorien
- Location
- London, South East, England, United Kingdom
- Employment Type
- Contractor
- Contract Rate
- Salary negotiable
message semantics (idempotency, deduplication). A collaborative mindset, ownership of outcomes, and a passion for building resilient, scalable systems. Nice to have Experience with Hazelcast, Kafka Connect, Schema Registry, or Confluent Platform. Knowledge of security in payments: OAuth2/OpenID Connect, mTLS, HSMs, tokenisation. Background in performance engineering (JMH, Gatling ...