Особисті дані приховані

OLEXANDR LYTVYN
Backend Team Lead | Senior PHP/Symfony Engineer
Kyiv, Ukraine · [відкрити контакти](див. вище в блоці «контактна інформація») · Telegram · LinkedIn · GitHub
PROFESSIONAL SUMMARY
Senior Backend Engineer with deep expertise in PHP, Symfony, and backend architecture, combined with hands-on experience in mentoring, technical leadership, delivery coordination, and cross-functional collaboration. Focused on building scalable systems, improving engineering quality, and growing into a Team Lead role with strong ownership of both people and delivery.
CORE STACK
Primary: PHP · Symfony · Laravel · API Platform
Additional: TypeScript · JavaScript · Node.js · Python
Frameworks: Next.js · NestJS · Express.js · Django · FastAPI
Infrastructure: AWS · Google Cloud · Docker · Kubernetes · CI/CD
Architecture: Microservices · Clean / Layered / Event-Driven · Serverless
EXPERIENCE
Chicco / MA · Tech Lead Backend Developer Dec 2024 - Present
• Architecting and maintaining high-availability microservices for a retail brand.
• Optimised data retrieval speeds via AWS (EC2, S3, RDS, Opensearch, ElastiCache).
• Improved long-running workers performance, figured out and fixed memory leaks.
• AI implementation: verification exchange cards, sorting reviews.
Tech: PHP 8.0 - 8.3, Symfony 5.2 - 6.4, Elasticsearch/OpenSearch, Nginx, AWS EC2/S3/RDS/SQS/ECR/ElastiCache, Beanstalk, Swagger, Docker, Sentry
Maudau · Senior PHP Developer May 2023 - Dec 2023
• Third-parties APIs integrations, feeds generations, marketing/SEO optimisations.
• Streamlined deployment workflows using Kubernetes, Helm with Swoole for high-traffic microservices.
Tech: PHP 8, Symfony 6, MySQL, MongoDB, Elasticsearch, Redis, RabbitMQ, Swoole, AWS, Kubernetes, Helm, Prometheus, Swagger, Docker, Sentry, Logstash, TDD
Evolved Ideas · Senior PHP Developer Feb 2021 - Apr 2023 & Dec 2023 - Jan 2024
• PlanD (REST API) - investment portfolio diversification platform for Investors & Founders.
• Plateaway (REST API + Microservices) - e-commerce platform for the UK's best food brands.
• FDQ (REST API) - examination app for food industry specialists.
• Pro-evaluate (SSR + REST API) - enterprise risk-reduction and evaluation software.
Tech: PHP 7/8, Symfony 5/6, Laravel 8/9, MySQL, Docker, Redis, RabbitMQ, Azure Infra
Maryta · Team Lead · Senior PHP Developer Apr 2019 - Jan 2021
• Mentored junior and mid-level developers, QAs, BA; direct connections with PM and PO from client side; set architectural standards (SOLID, KISS, DRY).
• Led Agile ceremonies and sprint planning across multiple simultaneous products.
• Checkbox (REST API) - PPO software for businesses. SaaS - Retail CRM.
• BgBau (REST API) - risk valuation for the German construction industry.
Tech: PHP 7, Symfony 4, API Platform, Node.js, MongoDB, PostgreSQL, Elasticsearch, Redis, RabbitMQ, ELK, Docker
Stfalcon · Senior PHP Developer May 2017 - Mar 2019
• Built a cargo transportation platform managing inventory, orders, and shipments in real-time.
• Vethem (REST API) - veterinarian booking and online consultancy platform.
Tech: PHP 7, Symfony 2/3/4, API Platform, Redis, MySQL, Twilio API
MIG Financial Services · PHP Developer Sep 2015 - Apr 2017
• FinTech binary option/forex - multi-tenant, multi-domain.
Tech: PHP 5/7, Symfony 2/3, Redis, RabbitMQ, PostgreSQL, Docker
Paradigm Group · PHP Developer Sep 2014 - Aug 2015
• Internal/retail CRMs, portals, e-commerce sites, and social platforms.
Tech: PHP 5, Yii 1/2, MSSQL, MySQL, PrestaShop, Drupal, jQuery
Fresh Vector · PHP Developer Apr 2013 - Aug 2014
• Internal CRM logistic system and company website.
Tech: PHP 5, Yii 1, MySQL, jQuery, Redis
Expert Group · PHP Developer Nov 2010 - Mar 2013
• Internal CRM marketing system and company website.
Tech: PHP 5, MySQL, JavaScript, jQuery, HTML, CSS

SKILLS
Primary: PHP · Symfony · Laravel · API Platform
Additional: TypeScript · JavaScript · Node.js · Python
Frameworks: Next.js · NestJS · Express.js · Django · FastAPI
Infrastructure: AWS · Google Cloud · Docker · Kubernetes · CI/CD
Architecture&Engineering: Microservices · Modular Monolith / Clean / Layered / Event-Driven · Serverless · REST APIs · DDD · TDD · OOP · SOLID
Data&Integrations: MySQL · PostgreSQL · Redis · Memcached · RabbitMQ · Elasticsearch · OpenSearch
Cloud&DevOps: AWS · Google Cloud · Docker · Kubernetes · CI/CD · Helm · GitHub Actions · GitLab CI/CD · Prometheus
Tools&Quality: Git · Postman · Swagger / OpenAPI · PHPUnit · Behat · Xdebug · Sentry · PhpStorm · VS Code
Colaboration&Delivery: Agile · Scrum · Kanban · Jira · Confluence · YouTrack · Mentoring · Code Review · Technical Planning
EDUCATION & CERTIFICATES
Academy of Municipal Administration · Master's Degree in Management · 2004-2009
• Design Microservices Architecture with Patterns and Principles
• Microservices Architecture - The Complete Guide
• Google Certificate “ШІ для бізнесу”
CURRENTLY EXPLORING
Solution Architecture · Golang · TypeScript · Python · Next.js · React · AWS · Serverless · AI / LLM / RAG / NLP / MCP · LangChain · Pinecone · Android / IOS
LANGUAGES
Ukrainian (Native) English (Intermediate)