JAVA AWS Developer

Principal Duties and Responsibilities:


Application Performance & Security - 60%
• Monitor and optimize application performance, ensuring applications are running efficiently and reliably.
• Conduct regular security assessments and performance checks to identify and resolve potential issues.
• Oversee the application lifecycle, ensuring timely updates, releases, and enhancements.


Innovation, Collaboration and Continuous Improvement- 40%
• Stay current with emerging technologies and industry trends, integrating relevant advancements into the development process.
• Collaborate with cross-functional teams, including product managers and designers, to deliver solutions that meet customer needs.
• Enhance the application development process and drive innovation within the team.

Required / Desired Knowledge, Experiences, and Skills:

Common

Technical Expertise:
• Strong hands-on experience with Java development (JDK 1.7 and 1.8), including Java frameworks.
• Extensive experience with AWS native services including EC2, API Gateway, S3, SQS, SNS, ECS, CloudWatch, and Docker.
• Proven experience with event-driven architectures and managing applications that rely on such paradigms.
• Expertise in code repository management, including merging and unmerging with Git or Bitbucket, and managing code versions effectively.
• Strong experience with third-party collaboration and communication, ensuring seamless integration and coordination with external partners.
• Proficient in container management with Kubernetes, EKS, or similar frameworks, including cluster management.
• Hands-on experience with Docker, including local setup, configuration, and troubleshooting.
• Extensive DevOps CI/CD experience, including hands-on with CI/CD pipelines and tools like Jenkins and Nexus Repository Manager.
• Strong troubleshooting and analysis skills, with a demonstrated ability to diagnose and resolve complex issues.
• Experience with local setup and debugging, ensuring efficient development environments and resolving issues swiftly.


Methodologies and Practices:
• Experience with Agile methodology.
• Excellent communication and client interpersonal skills.
• Experience with Atlassian apps (Jira, Bitbucket, Confluence) and IDEs such as IntelliJ.
• Experience with monitoring tools like Datadog.


Additional Experience:
• Core Java knowledge and experience with Hibernate, JPA.
• Experience with the insurance domain (optional).
• Basic knowledge of Pyt hon is a plus.
• Insurance policy lifecycle expertise includes understanding the end-to-end process of policy issuance, processing, and compliance.
• Payment experience covers integrating payment gateways and adhering to security standards to ensure secure transaction handling.

Specific to WSI Tower:


Knowledge of frameworks such as Struts / Spring (Core, IOC, MVC, DAO, ORM modules) and JSP
• Struts Framework:


o Experience in Struts architecture, Action classes, and Form beans.


o Proficiency in configuring struts-config.xml and implementing the validation framework.
• Spring Framework:


o Deep understanding of Spring Core (DI, IoC), AOP, and MVC.


o Experience with DAO support for data access and ORM modules like Hibernate or JPA.
• JavaServer Pages (JSP):


o Proficient in JSP syntax, tag libraries (JSTL), and integrating JSP with servlets.
• Skilled in error handling and optimizing JSP performance.

Specific to GCP/MOR Tower:


Experience with AWS services and Docker
• Amazon S3: Configuring buckets, managing data, and setting security policies.
• Amazon EC2: Launching, configuring instances, and managing auto-scaling and load balancing.
• Amazon SQS: Setting up and managing queues for asynchronous processing.
• Amazon SNS: Configuring topics and subscriptions for notifications and messages.
• Amazon ECS: Deploying and managing containerized apps with task definitions and services.
• Amazon Fargate: Using Fargate for serverless container deployments.
• Amazon DynamoDB: Managing NoSQL databases, including table creation and querying.
• Amazon CloudWatch: Monitoring resources with metrics, alarms, and logs.
• AWS Lambda: Creating serverless functions and managing triggers.
• Amazon API Gateway: Designing and deploying APIs, managing keys, and security.
• Docker:Creating and managing containers, using Docker Compose and orchestration tools.

Core Java knowledge and understanding of the Spring Framework
• Core Java: Strong grasp of OOP principles, collections, exception handling, and concurrency.
• Spring Framework: Understanding of Dependency Injection, Spring MVC, and Spring Boot for application development.

Specific to TIPS Tower:
• Hands-on experience with thick client applications includes expertise in creating and managing UIs using Java Swing components, handling events, and optimizing performance. This also covers understanding Java applets, including their lifecycle methods and integration with web pages.
• Strong SQL skills and core Java knowledge involve proficiency in writing complex SQL queries, designing and optimizing databases, and a solid understanding of core Java fundamentals such as concurrency and I/O handling.
• Event-driven architecture knowledge encompasses familiarity with event-driven design patterns and experience using message brokers for managing events and decoupling components.
• AWS services and integration experience includes working with services like S3, RDS, Lambda, and CloudFormation, along with implementing security practices and CI/CD pipelines using AWS CodePipeline.
• Java Batch skills involve using batch processing frameworks to manage large-scale jobs effectively, including job configuration and error handling.