AWS Cloud Developer

As an AWS Cloud Developer at GTA, your primary responsibilities will include designing, developing, and maintaining cloud-native applications on AWS. You'll work with services such as Lambda, API Gateway, DynamoDB, and S3. You'll also implement serverless architectures, build workflows using AWS Step Functions, and manage custom headers for web services to ensure secure data transmission. Your role is crucial in delivering high-quality software solutions in a collaborative SCRUM Agile environment, ensuring that the project meets its business objectives effectively.

To be considered for the AWS Cloud Developer role at GTA, candidates should have a Bachelor's degree in Computer Science, Engineering, or a related field. Additionally, proven experience with cloud computing principles, particularly in designing and developing applications using AWS services, is essential. Proficiency in Python, as well as familiarity with XML, XSD, and WSDL, is also necessary. AWS certifications and experience with Agile methodologies will further enhance your application.

In the AWS Cloud Developer role at GTA, you will engage with a variety of AWS technologies. You will work primarily with AWS Lambda for serverless computing, API Gateway for creating and managing APIs, DynamoDB for NoSQL database solutions, and S3 for object storage. Additionally, you'll leverage AWS Step Functions for orchestrating workflows and will be involved in developing SOAP-based web services while implementing MTOM attachments for optimized data transmission.

The team at GTA fosters a collaborative and innovative environment for its AWS Cloud Developers. Engaging in a SCRUM Agile framework, you will work closely with Product Owners and Scrum Masters to refine user stories and deliver iterative solutions. The focus is on teamwork and continuous improvement, where everyone is encouraged to share ideas, troubleshoot challenges together, and support each other’s professional growth.

GTA believes in empowering its employees through continuous professional development. As an AWS Cloud Developer, you will have access to resources for upskilling in AWS services, tools, and best practices. Additionally, pursuing AWS certifications is encouraged, and support will be given to help you achieve your professional goals. The collaborative environment also allows for knowledge-sharing, ensuring you always stay ahead in your field.

Serverless architectures in AWS allow developers to focus on writing code without managing the underlying infrastructure. In your answer, emphasize how serverless solutions like AWS Lambda enable scalability, reduce operational costs, and simplify deployment processes. Provide examples from past experiences where you implemented a serverless solution and the outcomes it achieved.

In your response, highlight best practices for ensuring security in cloud-native applications, such as using custom headers for web services, implementing IAM roles for access management, and encrypting data both in transit and at rest. Discuss any specific technologies or frameworks you’ve used in previous projects to enhance application security.

Discuss your experience working with both REST APIs and SOAP web services, showcasing your understanding of when to use each type. In your answer, explain how you would design and implement a SOAP-based web service ensuring it meets both functional and non-functional requirements, and provide examples of challenges you’ve faced and how you resolved them.

Explain the importance of automated testing in cloud development to ensure high code quality. Share the tools and frameworks you’ve utilized, such as AWS CodePipeline or Jenkins, and the types of tests you prioritize, like unit tests or integration tests. Include examples of how automated testing has improved your development process.

Reflect on your past experiences developing on AWS and discuss specific challenges, such as managing costs, optimizing performance, or dealing with service limits. Your answer should illustrate how you utilized AWS tools and services or collaborated with your team to find solutions, showcasing your problem-solving skills.

Discuss the methods you use to keep your knowledge up-to-date, such as following AWS blogs, attending webinars and conferences, and taking online courses. Emphasize your commitment to continuous learning and how you share newfound knowledge with your team at GTA to foster a culture of shared growth.

Discuss your familiarity with DynamoDB and its use cases. Highlight how you’ve designed data models, optimized queries, and handled scalability in your previous projects. Provide specific examples of how you've tackled challenges related to NoSQL databases or how you migrated from traditional databases to DynamoDB.

Discuss your understanding of SCRUM principles and the significance of collaboration in Agile environments. Provide insights into tools you used for project management, how you engage in daily stand-ups, and your role in sprint planning and retrospectives. Highlight specific examples where collaboration led to successful project outcomes.

Your answer should explain what MTOM (Message Transmission Optimization Mechanism) is and its role in optimizing the transmission of binary data in SOAP web services. Discuss the advantages of using MTOM, such as reducing message size and improving performance, and include any relevant experiences implementing MTOM in past projects.

Speak to your experience in designing applications for scalability using AWS services. Discuss aspects such as load balancing, using auto-scaling features, and how you analyze application performance under various load conditions. Provide examples illustrating successful scaling in your past projects.