Richárd Huszák

• Delivering high-quality Ruby code within high-scale, high-load systems in the ground transportation industry.
• Developing and maintaining a large fleet of microservices.
• Tackling performance bottlenecks and driving optimization initiatives.
• Contributing to system architectural decisions within the team.
• Building internal tools and libraries; improving test coverage and deliverable quality.
• Stack: Ruby, Rails, Grape, JSON:API, Microservices.

• Delivered full-stack features with Rails + React (Vite), improving customer workflows.
• Optimized PostgreSQL schemas & queries → reduced query times by ~30%.
• Implemented policy-based authorization (Pundit-style) to enforce secure access control.
• Built and integrated REST APIs, consumed via Axios in React frontend.
• Stack: Rails, React, PostgreSQL, TypeScript/JS, Git.

• Improved reliability of valuation platform by strengthening backend & release processes.
• Automated testing and monitoring pipelines → fewer production regressions.
• Championed developer enablement initiatives, shortening onboarding time for new hires.
• Stack: Rails, PostgreSQL, GraphQL.

• Eliminated N+1 queries and refactored SQL/ActiveRecord → boosted API performance.
• Applied RuboCop-driven refactors to enforce clean code.
• Reduced frontend bug count by resolving Ember.js issues and removing unused features.
• Stack: Rails, MySQL, EmberJS, JSON:API.

• Built new CMS features in Rails and React, used by 10k+ end users.
• Enforced CI/CD and code review best practices → improved delivery speed and quality.
• Stack: Rails, MySQL, React, JSON:API.

• Led a 3-person dev team: task coordination, mentoring, reviews, deployments.
• Took ownership of production reliability → resolved critical issues with minimal downtime.
• Stack: Rails, MySQL, Vue, Vuex, JSON:API.

• Automated HIL test systems with C# and Jenkins, cutting manual testing effort.
• Supported DevOps workflows with Python/Flask and C++/CMake/LLVM tooling.
• Stack: C#/.NET, Jenkins, Python/Flask, C++, CMake.

• Taught programming (C#, Scratch, Java) to high school and younger students.
• Introduced OOP, data structures, and event-driven programming concepts.
• Built mentoring and coaching skills later applied in dev team leadership.

Designed and prototyped the Nissh One, a 30g custom-fit gaming mouse with optimized finger support and weight distribution. Developed an online configurator nissh.gg/one/build enabling user-driven personalization.

Ruby, Rails, PostgreSQL, Sidekiq, Redis, RSpec, GitHub Actions

React, Vue, TypeScript, ES6+, HTML5, CSS3

Clean architecture (service objects / POROs), policy-based authorization (Pundit), SOLID/OOP, background jobs, caching, refactoring

CI/CD pipelines, containerized dev (Docker), environment configs, logging/monitoring basics

Completed majority of BSc curriculum (missing 4 exams for degree). Details: University

C# (2y), C++ (2y), database basics, HTML/CSS. Details: High School

Udemy / LinkedIn Learning / Webler Educational Studio
Details: Udemy, LinkedIn Learning, Educational Studio

• Email: huszakricsi@gmail.com
• LinkedIn: /in/richardhuszak
• GitHub: @huszakricsi
• Phone: +36306373903