Senior Java Microservices AWS developer

Position: Senior Java Microservices AWS developer
Location: London, UK (2 days a week from office)
6 months contract position

The Role

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.

Your responsibilities: (Up to 10, Avoid repetition)

• 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, GitHub Actions, or AWS CodePipeline 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 CloudWatch and best practices.
• Collaborate with cross-functional teams, participate in code reviews, and take full ownership of feature development from design to production.

Your Profile

Essential skills/knowledge/experience: (Up to 10, Avoid repetition)

• 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, DynamoDB, ECS Fargate)
• Core AWS services: EC2, S3, RDS, API Gateway, SQS, SNS, Kinesis, CloudWatch, CloudFormation, IAM, CodeBuild, 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 NoSQL familiarity
• Experience with JUnit, Integration Testing, and Test-Driven Development (TDD)
• Agile/Scrum methodology experience.

Desirable skills/knowledge/experience: (As applicable)

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