# Alexandr Lesan

> Senior backend engineer working with PHP since 2008. Builds Laravel, Symfony and Go services for marketplace synchronization, payment and accounting integrations. Open to remote roles.

This is a plain-text summary of https://portfolio.alexandr-lesan.workers.dev/ for language models and agents. The page has the same content with diagrams. Last updated 2026-11-13.

## Profile

- Role: Senior Backend Engineer
- Main stack: PHP, Laravel, Symfony, Go
- Experience: working with PHP since 2008
- Availability: open to remote roles
- Work eligibility: EU citizen
- Education: Bachelor's degree in Cybernetics and Economic Informatics
- Languages: Romanian (native), English (professional, B2), Russian (conversational)

## Selected work

- Marketplace synchronization: Laravel modules and Go services that synchronize products, stock and orders. Data goes from the ERP through Laravel modules to a queue, and Go services send it to the sales channels. Tools: Laravel, Go, AWS SQS.
- Property management and payments: payment and accounting systems connected to reduce manual reconciliation. Transactions go to accounting, reservations go to an owner portal. Tools: Stripe, Airbnb, QuickBooks.
- IT service automation: REST APIs and service workflows.
- Legacy backend modernization: framework upgrades and error logging.
- Travel administration: booking workflows and account security.
- E-commerce platform development: shopping cart and search integration.

## Experience

- 2022 to 2026: Senior Software Developer, e-commerce ERP. Laravel modules and Go services for marketplace synchronization.
- 2020 to 2021: Backend Developer (contract), travel platform. Django REST Framework backend and two-factor authentication.
- 2019 to 2022: Backend Software Developer, IT service management. REST APIs, integrations and custom ITSM plugins in PHP and Python.
- 2019 to 2020: Backend Developer (contract), accounting and payments. Payment and booking data connected to the accounting system.
- 2014 to 2019: Full-stack and Backend Web Engineer, CRM and automation. Symfony applications and REST APIs, a framework upgrade and error logging.
- 2008 to 2013: PHP Developer and team lead of four. News portals, a browser game with online payments and e-commerce projects.

## Stack

- Backend: PHP, Laravel, Symfony, Go, Python
- Data: MySQL, PostgreSQL, Redis
- Integrations: REST, webhooks, queues, Stripe, PayPal, QuickBooks
- Delivery: AWS, Docker, CI/CD

## Working with AI

Uses AI agents for planning, test design and code review. Structured outputs are checked before the next step.

## Contact

- Email: [alex.lesan@gmail.com](mailto:alex.lesan@gmail.com)
- LinkedIn: https://www.linkedin.com/in/alexandr-lesan/
- GitHub: https://github.com/alexlesan
- CV: sent on request by email
- Employer and client names are not published on this site.