Senior Java Developer

Gravitas Recruitment Group Ltd
Charing Cross, United Kingdom
2 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior
Compensation
£ 143K

Job location

Charing Cross, United Kingdom

Tech stack

Java
API
Amazon Web Services (AWS)
Automation of Tests
Azure
Cloud Computing
Software Quality
Continuous Integration
Data Stores
DevOps
Distributed Systems
Amazon DynamoDB
Github
Gradle
Maven
MongoDB
Networking Basics
NoSQL
Performance Tuning
Cloud Services
Prometheus
Secure Coding
Cloud Monitoring
Grafana
Spring-boot
GIT
Containerization
Kubernetes
Cassandra
Kafka
Cosmos DB
Cloudwatch
REST
Software Version Control
Docker
Microservices

Job description

We are seeking a Senior Java Developer to join a modern engineering team building high-performance, cloud-native services. You will take ownership of Back End design and delivery, mentor engineers, and help elevate engineering standards. A key focus of this role is accelerating team capability with GitHub Copilot-we are looking for a genuine enthusiast who uses it daily, understands the newest features, and can coach others to use it safely and effectively., * Design, build, and optimise microservices and APIs using Java 21.

  • Drive best practice in code quality, testing, secure coding, and performance tuning.
  • Build and integrate with NoSQL data stores and event-driven components where appropriate.
  • Deliver cloud solutions on Azure and/or AWS, including CI/CD and infrastructure collaboration.
  • Champion developer productivity, including effective daily use of GitHub Copilot and prompting patterns.
  • Mentor team members through pairing, reviews, and practical enablement sessions.

Requirements

  • Significant commercial experience as a Senior Java Developer, with strong hands-on delivery.
  • Expert knowledge of Java 21 and modern Java ecosystem (Spring Boot, Gradle/Maven).
  • Strong experience with microservices, RESTful API design, and distributed systems.
  • Solid experience with NoSQL technologies (eg, MongoDB, DynamoDB, Cosmos DB, Cassandra).
  • Cloud experience in Azure and/or AWS (security, networking basics, managed services, monitoring).
  • Excellent knowledge of automated testing (unit/integration), CI/CD, and version control (Git).
  • GitHub Copilot: daily user who understands key new features, limitations, governance, and secure usage; able to upskill others.
  • Strong communication skills and the ability to work effectively with product, QA, DevOps, and architecture.

Desirable

  • Containerisation and orchestration (Docker, Kubernetes).
  • Observability tooling (OpenTelemetry, Grafana, Prometheus, Azure Monitor, CloudWatch).
  • Experience with event streaming (Kafka, Event Hubs, Kinesis).

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