Artur
Baltaev

@BAGArt

Architect Web Developer · Senior Full-Stack Engineer
SRE · DBA · High-Traffic · Big-Data

#PHP #JavaScript #HighLoad #SRE #Laravel #Symfony #PgSQL #BigQuery #Spanner #ElasticSearch #k8s #SQS #Kafka #AI-integration #MCP #RAD #MVP #Fintech #Medtech
🌍Progressive AI·ML service | 🔒Tech Audit | 💬Proactive Management | 🚀Startups
Artur Baltaev
🌐 Digital Nomad
Baltaev.Artur@gmail.com github.com/bagart @BAGArt
years of experience
// expertise

Skills & Stack

Languages
PHP 3→8.5 JavaScript TypeScript SQL / PL/PgSQL Perl
Databases
PostgreSQL MySQL BigQuery Spanner ClickHouse ElasticSearch Sphinx Redis NoSQL
Backend
Laravel / Lumen Symfony Node.js Yii MediaWiki onPHP
Frontend
React.js Vue.js async SPA PWA Socket.io OpenAPI
Cloud & DevOps
Docker Kubernetes GCloud AWS Azure CI/CD Linux PubSub Kafka / RabbitMQ
Architecture
MSA / SOA SOLID GRASP DDD CQRS+ES REST gRPC Swagger
API & Integrations
Stripe / PayPal Paddle oAuth / Auth0 Google CSE SOAP RTB Maps API Firebase
Testing & SRE
PHPUnit Codeception Unit Functional Stress Profiling Security Audit
// career

Work Experience

Big Medical CRM, US (NDA)
Senior Backend Developer · HIPAA Certified
Mar 2022 — Nov 2025
PHP 8.4Laravel BigQuerySpanner KubernetesMSA PubSubSwagger
  • Full architecture & development of a Facet Search Engine for medical data
  • BigData complex SQL in BigQuery — typical query 30–200 KB, deep chain rules
  • Post-processing 1 billion+ raw lines: aggregate, normalize, serve via API
  • Migration from GCloud BigQuery + external ML to distributed GCloud Spanner
  • Cloud IAM permission layers to data columns
  • Thousands of SQL rules (medicine taxonomy) processed via queues
Booking B2B Platform, International
Team Lead · Senior Backend Developer
Aug 2020 — Mar 2022
PHP 8Laravel PostgreSQLFull MSA KubernetesAuth0 PaddleSanctum
  • Solo backend development from scratch to MVP (from markups and discussions only)
  • Full Microservice Architecture with separated DB and API logic
  • REST API for SPA with Postman documentation and API tests
  • MSA-transactions and aggregation across services
  • Auth0, Paddle, Sanctum integrations; GitLab CI/CD pipeline
World TOP-5 Global Site (NDA), US — via speedandfunction
Senior Backend Developer · Core Re-engineering
Dec 2019 — Jul 2020
PHP 7.2Universal SQL PHPUnitDocker GerritPhabricator
  • Deep core decoupling and re-engineering (GRASP, SOLID)
  • Refactored: Actions, Typed Content, Pages, Language, Searcher, API, Emailer
  • Added new SQL DB support for self-hosted extensions
  • Code review, PHPUnit coverage, all commits with public review
  • Open Source deprecation processes and documentation
Manychat.com, USA
Senior Backend Developer · Visual Bot Builder, Facebook Messenger
Feb – Jul 2019
PHPYii CodeceptionSQL OpenAPIReact
  • Re-engineering core backend: message processor and queue from Facebook etc.
  • High-throughput message handling for bot interaction flows
Gruzer — Logistics Auction & Taxi (B2B/B2C)
Senior Architect · Team Lead
Dec 2017 — Dec 2018
LaravelNode.js PostgreSQLSocket.io KubernetesRedis FirebaseSwagger
  • Full SOA/Microservice Architecture with async service-bus (queued)
  • Real-time SPA with WebSocket live-updates and push notifications
  • Auction module: bookkeeping, bidding, group messaging
  • Billing: checkout, payment processing, balance, B2B/B2C, multicurrency
  • Maps: Yandex, Google, OpenStreetMap integration
  • Single mobile & SPA API with Swagger documentation
Bionika — Medical Data Service
Senior Fullstack Developer · Solo Architect + DevOps
Jun 2016 — Apr 2017
Laravel 5Vue.js PHP 7PostgreSQL ElasticSearchRedisDocker
  • Solo: Frontend, Backend, DBA and DevOps — project from start to finish
  • Intelligent facet search engine with ElasticSearch as primary store
  • Data sync with public procurement APIs (zakupki.gov.ru)
Taxi-Angel.ru — International Taxi Service
Senior Fullstack Developer
Oct 2015 — Mar 2016
PHP 5.6Laravel PostgreSQLPL/pgSQL HighchartsAdminLTE
  • Mobile API from scratch for working production project
  • Admin panel with call and order statistics (Highcharts)
  • DB optimization, support and bug fixing
IMHOnet.ru — HighLoad Recommendation Service
Senior Backend Developer
Oct 2014 — Oct 2015
PHPMySQL SphinxElasticSearch RTBMQ
  • HighLoad optimization for high-traffic platform
  • RTB data sync — recommendation engine for anonymous / new users
  • New import data models from external content providers
  • Mailing API integrations: Mandrill, ExpertSender
Rabota.ru (RDW-media) — Recruiting Portal, Local TOP-3
Web Developer · HighLoad & Optimization
Nov 2010 — Aug 2012
PHP 5onPHP PostgreSQLPL/PgSQL SphinxjQuery
  • HighLoad optimization: horizontal scaling, DB optimization, caching
  • Payment API integration (Robokassa), billing sync
  • Statistics aggregation: salaries by tags, payment analytics
+ Other projects: USA, UK, South Africa
PHP (Laravel, Symfony) · FullStack (Vue.js, React.js)
// background

Education & About

Chuvash State University crest
Chuvash State University
named after I.N. Ulyanov · Cheboksary, Russia
Bachelor's Degree Faculty of Economics
Major / Specialization
Banks & Banking
Financial Systems Banking Operations Risk Management Accounting Macroeconomics
Applied in engineering
Payment systems, billing, and multicurrency platforms (Stripe, PayPal, Paddle)
Financial data pipelines: BigQuery, real-time aggregation, FinXLog
Domain fluency in fintech rules, transaction logic, and compliance

Human Languages

English — Advanced (full work)

Russian — Fluent (native)

Work Format

International remote contractor

Personal or B2B · Open to relocate

HIPAA Certified

Certified for US medical data systems. Deep expertise in medtech rules, logic & taxonomy.

// open source

GitHub Projects

laradock_env
⭐ 28
Laradock ENV — wrapper with command tools to build and manage multi-project Laradock Docker environments.
Shell
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laradock-multi
⭐ 25
LaraDock for MSA dev environment — run multiple Laravel + Node.js apps together with Docker Compose.
Shell
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FinXLog
⭐ 4
Quotation exchange monitor — real-time financial data aggregation and logging platform.
PHP
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elasticsearch-eloquent
⭐ 1
Use Elasticsearch with a familiar Eloquent ORM-style API — query builder and model mapping for Laravel.
PHP
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SEOstats
⭐ 1
Powerful open-source PHP library to pull SEO-relevant metrics (backlinks, ranks, traffic) from multiple providers.
PHP
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tests
⭐ 1
Algorithm implementations and data-structure solutions — practical coding exercises in PHP.
PHP
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third-party-cookies-demo
Cross-domain iframe authentication sync — practical demo solving the third-party cookie problem.
PHP
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More on GitHub →
27 public repositories: Docker tooling, PHP libraries, open-source forks, and experiments.
github.com/bagart