Senior Java Lead - Spring Boot, Kafka & GCP

Project Global Limited; City of Edinburgh; Hybrid; GBP 111,000 - 166,000; Full time

Job summary

Project Global Limited seeks a Lead Java Engineer to own onshore delivery of Java backend services in a major UK banking environment. Hybrid role with remote UK work and two days in London or Edinburgh, starting ASAP on a 12+ month contract.

You will design and implement APIs and microservices using Java, Spring Boot, REST, Kafka and cloud-native patterns, coordinating with product, architecture, DevOps and offshore teams to ensure delivery quality and security.

Qualifications

• Strong hands-on backend engineering experience with Java 8+ and Spring Boot.
• Experience designing and delivering services using Kafka and event-driven patterns.
• Experience with Docker, Helm, Kubernetes configuration and cloud-native deployment practices.
• Working with Google Cloud Platform and cloud-based deployment.
• BDDT/TDD, JUnit and automated unit testing practices.
• CI/CD and tools such as Jenkins, Git, SonarQube and Docker.
• Knowledge of API gateways, API security and service-to-service communication.
• Understanding of SDLC, release and production-readiness controls.
• Agile delivery using Scrum, Jira and Confluence.

Responsibilities

• Own onshore technical delivery for Java backend services, coordinating with client, product and offshore teams.
• Design and develop scalable, secure APIs and microservices using Java, Spring Boot, REST and cloud-native patterns.
• Translate requirements into technical designs, estimates, delivery plans and engineering backlogs.
• Lead impact assessments, solution discussions, code reviews and technical governance.
• Maintain engineering quality through unit testing, BDD/TDD, CI/CD controls, security, performance and observability.
• Guide engineers on implementation standards and reusable patterns.
• Coordinate integration, release planning, defect triage, production readiness and ongoing support.
• Work with product owners, architects, DevOps, QA and service teams to manage dependencies and outcomes.
• Identify risks, dependencies and blockers early and communicate actions to stakeholders.
• Support documentation, knowledge transfer and handover to teams.

Skills

Java 8+

Spring Boot

REST APIs

Microservices

Kafka

Event-driven

BDD/TDD

Unit testing

CI/CD

Jenkins

Git

SonarQube

API gateways

API security

Agile Scrum

Jira

Confluence

Google Cloud Platform

Cloud deployment

Docker

Helm

Kubernetes

Tools

Docker

Helm

Kubernetes

Jenkins

Git

SonarQube

Job description

Project Global Limited seeks a Lead Java Engineer to own onshore delivery of Java backend services in a major UK banking environment. Hybrid role with remote UK work and two days in London or Edinburgh, starting ASAP on a 12+ month contract.

You will design and implement APIs and microservices using Java, Spring Boot, REST, Kafka and cloud-native patterns, coordinating with product, architecture, DevOps and offshore teams to ensure delivery quality and security.