Senior Java Microservices AWS Developer

Position:
Senior Java Microservices AWS developer

Location:

London, UK (2 days a week from office)

6 months contract position

As Senior Java Microservices AWS developer with a strong hands‑on experience, you will design and develop scalable, cloud‑native web applications using Java and AWS Serverless architecture Model.

• Design and develop web applications using Java (latest versions), Spring Boot, and AWS technologies.
• Architect and implement RESTful APIs for distributed enterprise‑grade systems.
• Develop robust, scalable, and high‑performance microservices leveraging Spring Boot and modern design patterns.
• Integrate and manage AWS services such as EC2, S3, Lambda, RDS, and API Gateway for cloud‑native deployments.
• Build and optimize multithreaded and concurrent applications, ensuring thread safety and performance.
• Implement CI/CD pipelines using Jenkins, Git Hub Actions, or AWS Code Pipeline for automated deployments.
• Containerize applications with Docker and orchestrate using Kubernetes for scalability and resilience.
• Integrate Kafka for event‑driven architecture and real‑time data processing.
• Ensure application security, performance tuning, and monitoring using AWS Cloud Watch and best practices.
• Collaborate with cross‑functional teams, participate in code reviews, and take full ownership of feature development from design to production.

• Minimum 10 years of experience Java application development
• Strong hands‑on expertise in Java 11+ (preferably Java 17 or latest)
• Proficiency in Spring Boot, Microservices architecture, and Core Spring
• Experience with Java Server‑Side Concurrent Programming, Multithreading, and Design Patterns
• Deep understanding of AWS Cloud services, including:
  • Serverless Architecture (Lambda, Dynamo
    
    DB, ECS Fargate)
  • Core AWS services: EC2, S3, RDS, API Gateway, SQS, SNS, Kinesis, Cloud Watch, Cloud Formation, IAM, Code Build, Security Groups, ALBs, KMS, Secrets Manager, Parameter Store
• Knowledge of message‑based architectures (Kafka or MQ)
• Proficiency with Docker, Kubernetes, and CI/CD tools
• Strong database skills:
  Sybase and/or DB2, complex SQL queries, plus No
  
  SQL familiarity
• Experience with JUnit, Integration Testing, and Test‑Driven Development (TDD)
• Agile/Scrum methodology experience.

• Familiarity in front end technologies.
• AWS Certification (Developer or Solutions Architect).
• Knowledgeable of Service now tool