Full Stack Java Developer
Vallum Associates • sheffield, england • Posted May 23, 2026
Position Overview
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...