Full Stack Java Developer

Company: Vallum Associates
Apply for the Full Stack Java Developer
Location: Sheffield
Job Description:

Qualifications

  • High concurrency and scalability patterns
  • Strong knowledge of:
  • System trade-offs (consistency vs availability, latency vs throughput)
  • API design and service boundaries
  • Fault tolerance and resilience design
  • Experience with system decomposition and domain modelling
  • Expert-level proficiency in Java (8/11/17+)
  • Strong experience with Spring Boot / Spring Cloud
  • Deep understanding of RESTful APIs and microservices
  • Experience with ORM frameworks (Hibernate, JPA)

Frontend

  • Strong hands-on experience with at least one:
  • Solid understanding of frontend architecture and state management
  • Ability to contribute to frontend system design (not just coding)

Data & Infrastructure

  • Strong experience with relational databases (Oracle / SQL Server / PostgreSQL)
  • Experience with:
  • Redis or distributed caching
  • Familiar with:
  • CI/CD and automated deployment pipelines

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Posted: March 25th, 2026