Java Full Stack Developer
- Hiring Organisation
- Citigroup
- Location
- London, England, United Kingdom
ownership from backend services up to user-facing web tools.We actively embrace GenAI-assisted engineering (Devin, GitHub Copilot, Cursor) to automate boilerplate, accelerate unit testing, and achieve high engineering velocity.Key Responsibilities:Backend Microservices: Design, build, and maintain production-grade REST APIs and microservices using Java 21/… development experience with core focus on Java (21/25) and Spring/Spring Boot.Strong foundation in RESTful API design, microservice architecture, and enterprise integration patterns.Deep expertise in relational databases (SQL), schema design, data indexing, transactions, and performance tuning (PostgreSQL, Oracle, or MySQL).Solid experience building data ingestion, transformation ...