Edgar – profile photo

Spring Boot Security & Full-Stack Engineer

Based in Mississauga (GTA). Serving the GTA first, then Canada, the USA, and worldwide.

Senior Software Architect with 15 years at TMX Group, the company behind the Toronto Stock Exchange. I design secure, scalable systems, deploy LLMs and AI agents, and build fast, modern websites. Practical, battle-tested solutions – from startup MVPs to enterprise hardening.

Java / Kotlin
C++
Spring Boot & Security
React / TypeScript
AI / ML
AWS
CI/CD
Performance
OWASP

Apps & Games

Software I build and sell. Every app has a free demo — one download, unlocked with your purchase email.

All Projects

Idle Actions

A lightweight background automation tool for Windows. Configure repeating actions once and let it run — stay in flow without babysitting your machine.

$12.34 CAD Learn More Download

More Projects

Desktop apps, games, Android apps, and websites built for clients across the GTA.

Services & Pricing

Websites, Blogs & Stores

Modern responsive sites, blogs, forums, and e-commerce with ongoing care & updates.

$85–$300/mo
  • Design, build & launch
  • SEO & performance tuning
  • Security & maintenance
  • Content & CMS setup
  • Analytics & conversion tracking

Smart Home & Home Lab Setup

Secure networks, servers, and automation for a smooth, privacy-respecting home stack.

$100–$300
  • Improve network speed
  • Save on electricity
  • Wi-Fi, VLANs & backups
  • Proxmox / containers
  • Device integration & privacy

Mentoring – Engineering & Lifestyle

Career strategy, code reviews, and life advice for peace and happiness.

$0–$150/session
  • Life advice & career advice
  • 1:1 guidance & accountability
  • Programming help
  • Living a happy life
  • How to become a developer

Custom Workstations & PC Builds

Quiet, reliable rigs for devs, creators, or ML – thermals, acoustics, and security baseline.

$100 + parts
  • Component selection & assembly
  • OS hardening & backup plan
  • Airflow & noise tuning

Secure, Scalable Systems

Architecture & APIs built for scale, resilience, and low latency – cloud-ready from day one.

from $6,000
  • Spring Boot microservices
  • Observability & SRE practices
  • AWS, containers & IaC

Security Audits & Pen-Tests

Threat modeling, OWASP reviews, and targeted testing with actionable hardening steps.

from $1,000
  • OWASP Top 10 + auth flows
  • Infra/Config review
  • Executive & dev reports

Who I Am

Hello! I’m Edgar Ghahramanyan, a skilled Spring Boot security and full-stack engineer located in Mississauga. If you need a professional to design and maintain your website, I’m here to help you bring your vision to life. I’ve successfully developed and managed websites for both commercial and non-profit clients, including sawmillsid.ca and helpinghippies.ca. If you’re looking to enhance your business with a robust online presence, you’ve come to the right place!

Beyond web development, I’m passionate about technology and have extensive experience in home automation. Do you find bright lights disruptive when you wake up at night to use the washroom? Want to save on electricity costs while enjoying smarter living? Interested in setting up security systems for peace of mind at home? Or maybe you're tired of expensive cloud storage subscriptions and want to create your own personal cloud?

I can help you optimize your tech at home, making your internet faster, eliminating pesky ads, and giving new life to old computers. Whatever your tech needs may be, I'm dedicated to helping you elevate your home experience. Don’t hesitate to reach out—let's discuss how I can assist you!

Areas served: Mississauga · Toronto · Brampton · Oakville · GTA • Focus: Spring Boot security · Web design & maintenance · Scalable systems · Security audits & pen-tests · React/TypeScript · AWS
GTA first, then Canada, USA, and international clients.