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Senior backend developer

PHP developer - Alexander Lykshin

Senior Backend Engineer (PHP)

Zhodino, Belarus

Portrait of Alexander Lykshin
0+ Years of experience

About

Senior backend engineer with 10+ years of experience designing and scaling high-load web platforms and digital products. Strong expertise in PHP ecosystem, distributed systems, and product-oriented development. Focused on performance, architecture, and real-world impact.

Skills

Spoken languages

English (Pre-Intermediate), Belarussian, Russian

Programming languages

PHP (core), JavaScript

Backend and frameworks

Symfony, Laravel, Zend, custom architectures

Databases and storage

MySQL, MariaDB, MongoDB, ClickHouse

Caching and messaging

Redis, Memcached, RabbitMQ, Gearman

Infrastructure and DevOps

Linux (Debian), Docker, CI/CD pipelines, Supervisor, Nginx, Apache2, Cloudflare

Integrations and APIs

S3, Firebase, App Store, Play Market, Stripe, PayPal, WebPay, OpenAI, Azure Cognitive Services

Core competencies

High-load systems, API design, microservices, performance optimization

Experience

MobileXapps

Senior Backend Engineer | May 2022 - Present

Backend development for crypto and sports applications, including CryptoEx and CricManiac.

Duties:

  • Designed scalable architectures using Symfony/Laravel and implemented async processing with RabbitMQ and Gearman.
  • Integrated blockchain networks (Bitcoin, Ethereum, Tron), wallet generation, transactions and dynamic fees.
  • Built full exchange order lifecycle, AML flow, PGP-based 2FA and secure storage for sensitive data.
  • Implemented real-time WebSocket updates, Firebase notifications and high-load optimization for 5,000+ users.

Stack: PHP, Symfony, Laravel, Swoole, MariaDB, Redis, RabbitMQ, Gearman, Docker, Nginx, Supervisor

Elteam Group (Startup Studio)

CTO / Lead Backend Engineer | 2018 - 2023

Built backend architecture for 10+ mobile apps and an internal BI/admin system.

Duties:

  • Implemented APIs for projects, versions, deeplinks, A/B tests, analytics and revenue prediction.
  • Built spend/revenue/profit reporting and CSV/XLSX imports from Google/Facebook sources.
  • Maintained unified response models and validation for deeply nested entities.

Stack: PHP, Laravel, MariaDB, ClickHouse, Redis, Gearman, Nginx, Supervisor

Pismo.bel

Founder / CTO / Fullstack Developer | 2018 - 2025

B2C platform for digitizing postal communications and remote payments.

Duties:

  • Created product concept, visual design and complete end-to-end implementation.
  • Built PDF generation for print-ready letters and integrated ERIP/WebPay payments.
  • Implemented social auth, profiles and secure user data storage.

Stack: PHP (Native), MariaDB, Nginx, Supervisor, tmpfs, HTML, CSS, JavaScript, jQuery

Talaka.by

Fullstack Developer | 2016 - 2017

Crowdfunding and crowdsourcing platform with over 1,000 launched projects.

Duties:

  • Implemented auth flows, user profiles, role-based access and moderation lifecycle.
  • Built project discovery/search/filtering and social interactions.
  • Integrated WebPay API with callback handling via RabbitMQ.

Stack: PHP, Symfony, MySQL, MongoDB, Nginx, RabbitMQ, HTML, CSS, JavaScript, AngularJS, jQuery

Regiony.by

Founder / CTO / Fullstack Developer | 2014 - 2020

Network of 192 Belarus city portals with local media, catalogs and events.

Duties:

  • Built entire platform architecture, design, CMS and user-generated content moderation.
  • Implemented Instagram API integration, marketplace and weather services.

Stack: PHP (Native), MySQL, Apache, Memcached, HTML, CSS, JavaScript, jQuery

Freelance / IP Lykshin

Fullstack Developer | 2007 - 2015

Developed custom CMS and delivered 20+ websites end-to-end.

Duties:

  • Delivered solutions for media, business and NGO projects.

Stack: PHP, MySQL, HTML, CSS, JavaScript

Projects

CryptoEx

Cryptocurrency exchange platform with wallet operations, order lifecycle, AML and blockchain RPC.

php symfony mariadb rabbitmq redis docker

CricManiac

Mobile live cricket scores platform with WebSocket updates and push notifications.

php laravel swoole redis firebase

Internal BI System

BI/admin platform for project management, analytics, A/B tests and performance reports.

php laravel clickhouse mariadb redis

Pismo.bel

Postal communication digitization platform with online payments.

php mariadb javascript jquery webpay

Achievements

Education

Belarusian State University

Faculty of Radiophysics and Computer Technologies

Systems Analysis and Computer Modeling (2006-2011)

Contact

Telegram

alexander@lykshin.by

LinkedIn