Back end Engineer

2) Back-End Engineer (Java-first; Python-friendly) - banking

Build reliable, secure, and observable back-end services powering customer/colleague experiences and AI features.

6 month contract

uk wide

hybrid

Core skills

  • Java, Spring Boot, Spring Data/JPA (Hibernate), PostgreSQL.
  • Eventing: Kafka; RESTful APIs (GraphQL a plus).
  • Security: OAuth2/OIDC, secrets management, secure coding.
  • CI/CD and containerisation: Docker; deploy to AWS and/or PCF on-prem.

Responsibilities

  • Own services end-to-end: design, implement, test, deploy, operate.
  • Data modelling, migrations, performance tuning, resilient integrations.
  • Observability (metrics/logs/traces), SLOs.

Nice-to-have

  • Experience with the DWS parent and NatWest platform standards is a strong plus.
  • Experience working within NatWest engineering standards and governance.
  • Ability to deliver microservices in Python when needed (FastAPI/Django).
  • Terraform/IaC, EKS, service meshes, Postgres performance, Kafka.

Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.

Job Details

Company
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Salary
Salary negotiable
Posted