Position: Senior Software Engineer / Tech Lead / CTO
Category: PHP
English level: intermediate
Years of experience: 11

Developed multiple highload projects from scratch. 
Created a production-grade WS server in Golang.
Succeeded in splitting monolith to microservices.
Designed and built a large-scale in-house analytics platform utilizing open-source products.
Did a lot of various 3d party integrations and I know that pain!
Conducted numerous technical interviews for Backend, Frontend, DevOps, and Data Engineer positions, as well as handled onboarding, mentoring, and performance review activities.
Successfully led a team of 15 tech specialists.

Extra
Possess a deep understanding of networking and protocols, processes and threads, data types and serialization and know a lot how things work under the hood.
Proficient in debugging and reverse engineering of third-party code bases in any language.

Skills
- Clear standing of S.O.L.I.D. development principles
- Agile and Scrum methodologies
- OOPs, design patterns
- APIs design, implementation and documentation (REST, JSON RPC)
- API, Unit, Feature testing and TDD
- Database consistency, transactions and concurrency
- Devops: Docker, K8s, ELK, Prometheus, Grafana
- Security: TLS, XSS, CSRF, SQL Inj, DDOS mitigation
- Authentication: OAuth2, JWT, OpenID, SSO, MFA and 2FA, Magic links
- Cryptography: public key cryptography, hash functions, digital signatures, ECC

Primary languages: PHP, JS
Secondary languages: Golang, Typescript, Python
Frameworks: Laravel, Symfony, PHPUnit, Mockery React, Next.js, Vue
Databases: MySQL, PostgreSQL, Redis, Clickhouse, MongoDB, SQLite
Message queues: Kafka, Redis, RabbitMQ
DevOps: GitLab CI, K8s, Docker, Containerd, Helm, Werf, Vault
Monitoring and logs: ELK Stack, Prometheus, Grafana, Sentry
Data Engineering/Analytics: Divolte, Airflow, Streamsets, DBT, Jupyter Notebook, Redash, Tableau
VCS: Git, GitHub, GitLab
Management: Jira, Confluence, Miro 

Crypto currencies: BTC, BCH, LTC, DOGE, DASH, XRP, XLM, XMR, EOS, ZEC, ETH, ETC, TRX, BNB, ERC20/TRC20/BEP20 tokens

Previously worked with: Java, Scala, Apache HTTP, Apache SOLR, Apache Nutch, Varnish, Memcached, LXC, Express, Socket.io,  JQuery, Angular 1.x, Backbone, Lodash, Twitter server, Finatra, QuickfixJ, Silex, Doctrine, Twig, Zend Framework, Strapi, Magento, Joomla, Ansible.
As a seasoned software engineer with over a decade of experience in web development, last 6 years as Tech Lead, I am seeking a Tech Lead or CTO position. I possess strong leadership skills, a product-focused mindset, and extensive technical knowledge. I understand the importance of aligning technical decisions with business goals. Throughout my career, I have worked closely with stakeholders to ensure that technical solutions not only meet their needs but also contribute to the overall success of the business.