PLAYER 01 · SOFTWARE ENGINEER

Building systems
that survive
the next level.

Lead Ruby engineer with 12+ years of experience building web platforms, distributed systems, data pipelines, and high-load services. Experienced in architecture, hands-on delivery, technical leadership, stakeholder communication, and mentoring distributed engineering teams. Core expertise includes Ruby, Ruby on Rails, PostgreSQL, AWS, microservices, third-party integrations, and automated testing. Recent work also includes data engineering with AWS Athena, Redshift, SQL, and Python, plus team-wide AI-assisted delivery workflows using custom agents, reusable skills, and measured adoption.

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Engineer.
Leader.
System builder.

Lead Ruby engineer with 12+ years of experience building web platforms, distributed systems, data pipelines, and high-load services. Experienced in architecture, hands-on delivery, technical leadership, stakeholder communication, and mentoring distributed engineering teams. Core expertise includes Ruby, Ruby on Rails, PostgreSQL, AWS, microservices, third-party integrations, and automated testing. Recent work also includes data engineering with AWS Athena, Redshift, SQL, and Python, plus team-wide AI-assisted delivery workflows using custom agents, reusable skills, and measured adoption.

  • Led distributed engineering teams of up to 12 people across product and consultancy environments.
  • Designed and evolved monolithic, microservice, event-driven, and distributed systems.
  • Built services operating at approximately 200 requests per second.
  • Delivered integrations for payments, messaging, education, healthcare, logistics, advertising, and financial platforms.
  • Increased marketplace merchant participation by 400%, accelerated merchant content processing by 220%, and improved multi-million-row background imports by 80%.
  • Built reporting and data transformation workflows with AWS Athena, Redshift, SQL, Python, and Airflow.
  • Built AI-assisted delivery workflows with specialized coding and product-knowledge agents, reusable skills, and measured team adoption.

Systems shipped

Selected consulting projects across commerce, data, healthcare, finance, advertising, and logistics.

Senior Software Engineer15 months

MAUDAU E-commerce Marketplace

Delivered major seller-facing mechanisms, contributed to product decisions and strategy, increased the number of merchants on the platform by 400%, improved merchant product-content processing speed by 220%, and improved background processing speed for multi-million-row product imports by 80%.

RubyRuby on RailsReactPostgreSQLElasticsearchAWS
Senior Software Engineer24 months

Self-Storage Management Platform

Developed product features and integrations, built Athena reports with SQL and Python, transformed operational data, and automated report testing for accuracy and reliability.

RubyRuby on RailsPythonPostgreSQLElasticsearchAWS Athena
Team Lead38 months

Cross-Channel Advertising Platform

Developed dozens of microservices, integrated a data-science service, built internal tools and reusable libraries, created cluster-management tooling for scalability, implemented document-generation workflows, and led a 5-8 person engineering squad.

RubyRodaDry-rbSequelPostgreSQLRabbitMQ
Software Engineer12 months

Distributed Grocery Delivery System

Developed microservices, optimized data storage, built order monitoring, and integrated financial and fleet-tracking services.

RubyRuby on RailsSinatraGrapeSpreeKafka
Team Lead10 months

Pharmaceutical Audit System

Optimized data storage, led the engineering team, and implemented a mobile API.

RubyRuby on RailsPostgreSQLSidekiqRedisApache Solr
Software Engineer8 months

Multi-Channel Alerting System

Developed a microservice-oriented system and integrated social networks and messaging providers.

RabbitMQRubyRuby on RailsPostgreSQLAWSGrape
Core Team Lead9 months

High-Load Trading Platform

Led project and development teams, organized delivery processes, gathered requirements, negotiated with the customer, planned roadmaps, mentored engineers, and designed system architecture.

RubyC++Ruby on RailsPostgreSQLMySQLReact
Team Lead10 months

Student and Parent Communication Platform

Developed the application, integrated US school registries, implemented an advertising system, led six engineers, and contributed to architecture design.

RubyRuby on RailsPostgreSQLHerokuSidekiqRedis

Technical loadout

A broad toolkit, grounded in pragmatic architecture and reliable delivery.

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Backend and Languages

Ruby · Ruby on Rails · Roda · Sinatra · Grape · Hanami · Sequel · Python · Go · Java · .NET · JavaScript · TypeScript · SQL · GraphQL

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Data and Messaging

PostgreSQL · MySQL · Redis · Elasticsearch · Neo4j · AWS Athena · AWS Redshift · RabbitMQ · Apache Kafka · Sidekiq · Airflow

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Frontend

Vue.js · React · Ember.js · Knockout.js · jQuery · CoffeeScript · HTML · HAML · CSS · Sass · LESS · Bootstrap

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Cloud and Infrastructure

AWS · Azure · Docker · Kubernetes · Heroku · Linux · Nginx · Apache · Puma · Unicorn

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Architecture and Engineering

Software architecture · object-oriented programming · object-oriented design · design patterns · microservices · monoliths · distributed systems · high-load systems · API design · event-driven architecture · third-party integrations · performance optimization · TDD · BDD · automated testing

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Leadership and Delivery

Engineering leadership · squad leadership · technical mentoring · roadmap planning · estimation · requirements discovery · stakeholder communication · Scrum · Kanban · XP · pair programming

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AI and Automation

Claude · ChatGPT · Gemini · DeepSeek · Kimi · custom AI agents · reusable AI skills · agentic workflows · multi-agent orchestration · product-context engineering · AI-assisted software delivery

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