Aleksandar Gajovic

About Me

I am passionate about technology and continuously strive to expand my knowledge. In recent years, my focus has been on Cloud Computing, recognizing its ability to deliver cost-effective and powerful solutions. I have dedicated myself to mastering AWS and have earned my AWS Certified Solutions Architect – Associate certification. I look forward to applying my professional skills within a forward-thinking, dynamic company while continuing to explore innovative ways to enhance business processes

Experience

• Information Systems Auditing • Risk Assessment & Analysis • Application & OS Support • Systems Administration • Asset Discovery • Management & IT Governance • IT Service Delivery and Support • Network Infrastructure Design • Operations & Security • Risk Management• Customer Services • System Performance Enhancement • Systems Cycle Management • Infrastructure Life Cycle Management • Project Management • Protection of Information Assets • Network Infrastructure Security • Wireless Technologies • Data Recovery, Ransomware Protection • Requirements Gathering • IT Planning and Organization • Automation Implementation • Threat & Vulnerability Analysis • Physical & Environmental Security • Backup and Recovery Administration • Incident Handling and Response • Evidence Collection and Handling • Hardware Repair and Replacement • Printer Maintenance & Supplies • Network Access Control • Change & Configuration • Patch and Updates Management • Business Continuity Planning • Disaster Recovery Planning

Skills

Software proficiency • Communication • Problem-Solving • Leadership

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Achievements 2025

About this Page

This web page is hosted on Amazon S3, a highly scalable, durable object storage solution, ensuring reliability and optimized performance. The SSL certificate, issued and managed by AWS Certificate Manager (ACM), provides end-to-end encryption and is seamlessly integrated with Amazon CloudFront, a globally distributed CDN, enabling low-latency, high-speed content delivery with automatic edge caching. The domain is secured and dynamically managed using AWS Route 53, offering high availability, intelligent traffic routing, DNS failover, and scalable domain resolution for multi-region performance optimization

"Route 53 for domain and DNS services,S3 for web content, CloudFront for CDN and ACM for SSL"

Portfolio Showcase

project 1a

Project Architecture Overview The architecture leverages AWS services to create an efficient, event-driven workflow for processing web content submissions via a RESTful API Gateway, Amazon S3, and AWS Lambda. This protocol is secured using an IAM role and a backend Lambda authorizer.

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"Demonstrates depositing objects from the user interface to an S3 bucket."

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Simple Storage Service(S3) located:ca-central-1

Portfolio Showcase

project 2a

Project Architecture Overview In this architecture, I have used SNS, SQS, and Lambda to create a scalable, resilient, and event-driven workflow. This design decouples services, ensuring that different components interact asynchronously without direct dependencies, making it ideal for handling high-volume events and efficiently processing web content submissions. Additionally, I have integrated a RESTful API Gateway to manage authentication calls securely against resources. The combination of these services results in a highly available, efficient, and fault-tolerant system, capable of handling dynamic workloads with ease.

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"Test the form below. It demonstrates the file flow from the user interface to Simple Queue Service, which can be decoupled and integrated into other applications. Default message retention 4 days"