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Backend Java Developer at Nextwave | JobVerse
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Backend Java Developer
Nextwave
Website
LinkedIn
Backend Java Developer
United Kingdom
Contract
6 hours ago
$50,000 - $65,000 GBP
No H1B
Apply Now
Key skills
Docker
Java
Jenkins
JUnit
Maven
Mockito
Spring
SQL
CI/CD
About this role
Role Overview
Build core backend services in Java (17/21) for access control and query manipulation
Implement deterministic policy / rule engines for data governance
Work on SQL parsing, planning, validation, and transformation (e.g., Calcite or similar planners)
Integrate with distributed data platforms / query engines (e.g., Starburst or similar)
Own API contracts with living documentation in CI/CD
Build production-grade, testable pipelines
Drive observability, reliability, and performance
Contribute to architecture decisions (modularity, DI, extensibility)
Requirements
Strong hands-on experience in Java (17/21) + Spring
Deep understanding of JDBC, SQL parsing/validation, query planning/optimization
Experience with SQL planners or query transformation layers
Strong grounding in data structures, algorithms, and backend performance
Production-grade testing using JUnit 5, Mockito
Experience with clean architecture, DI, modular design
Comfortable owning CI/CD, code quality, observability
Familiarity with Docker, Maven, Jenkins
Tech Stack
Docker
Java
Jenkins
JUnit
Maven
Mockito
Spring
SQL
Apply Now
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