Senior Full Stack Engineer (AWS Microservices & Integrations)
- Hiring Organisation
- Narwhal Labs
- Location
- City Of Bristol, England, United Kingdom
PostgreSQL), using S3 for object storage and KMS for secrets and encryption Build and maintain an integrations layer including OAuth/API-key onboarding, webhook ingestion with idempotency, retries and DLQs, rate-limit mediation, circuit breakers and versioned connector contracts Integrate with third-party platforms and payment systems, ensuring secure … with GraphQL a plus Strong data modelling skills including NoSQL vs relational trade-offs, partitioning, indexing and migration strategies Proven experience building and consuming webhook-heavy third-party integrations with idempotency and signature verification Experience integrating with payment gateways such as Stripe, Adyen or Braintree and handling PCI/ ...