Petko Kolev

London, UK | petkokolev00@icloud.com | 07931630510 | GitHub

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Projects

Production-style serverless web application with Infrastructure as Code, CI/CD, monitoring, and API protection.

Designed and deployed a full-stack serverless application using AWS (S3, CloudFront, API Gateway, Lambda, DynamoDB)
Provisioned infrastructure using Terraform
Built REST API backend for visitor counter updates
Implemented CI/CD deployment pipeline with GitHub Actions
Configured CloudWatch logging, alarms, and SNS notifications
Applied API Gateway throttling and IAM troubleshooting in production

Event-driven serverless image upload and processing platform with asynchronous workflows, Terraform, CI/CD, and custom domain delivery.

Built asynchronous image processing workflow using S3, SQS, Lambda, API Gateway, CloudFront, Route 53, and ACM
Implemented pre-signed S3 uploads for secure client-side file transfer
Created polling-based frontend workflow for async processing feedback
Provisioned full infrastructure using Terraform
Automated deployment pipeline using GitHub Actions and Docker-based Lambda packaging
Configured custom domain with HTTPS using ACM + CloudFront
Implemented downloadable processed asset delivery using signed URLs
Debugged IAM, Route 53, DNS validation, and async event timing issues

June 2022 – Present

Diagnose and resolve complex hardware and software issues using structured troubleshooting
Handle high-volume technical cases in a fast-paced environment
Maintain high repair success rate ensuring accuracy and reliability
Apply root cause analysis transferable to cloud and production systems
Recognized for communication, teamwork, and leadership

2018 – 2022

Cloud: AWS (S3, CloudFront, API Gateway, Lambda, DynamoDB, SQS, IAM, Route 53, ACM, CloudWatch, SNS)

Infrastructure: Terraform (Infrastructure as Code)

CI/CD: GitHub Actions, deployment pipelines, Docker-based build workflows

Programming: Python, JavaScript, Java, SQL

Tools: Git, REST APIs, HTTP APIs, Docker

Systems: Linux, macOS, Windows

Networking: HTTP, DNS, TCP/IP fundamentals, HTTPS, CORS

BSc Computer Science – Brunel University London (2023)