Grzegorz Smajdor profile picture

Curriculum Vitae

Software Engineer, CTO & Mentor

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Skills

Software Development Mentoring Training Ruby on Rails Python PHP AI Automation DevOps

Work Experience

Deliverists.io - Co-Founder & CTO

July 2022 - Present 3 years 1 month

We are a custom software development agency leveraging cutting-edge technologies such as AI, machine learning, and blockchain to deliver impactful solutions. Our expertise includes:

  • AI Solutions: Tailored AI implementations to address complex business challenges.
  • Technologies: Ruby on Rails, Python, and Clojure for innovative and scalable projects.
  • Consultation & Mentorship: Providing strategic guidance for startups and mentoring engineers to achieve growth.

We are dedicated to driving success for our clients through innovation and collaboration.

Key Projects
Swifty.so

An AI chat application enabling users to book flights, trains, and hotels for their business trips.

Automation: Fully automated integration with partners such as Benerails, Duffel API, Stripe, and Expedia.

Stack: Ruby on Rails, ReactJS, AWS, PostgreSQL

Evetly.com

A collaboration platform for scheduling events, inviting guests, organizing gifts, and more.

Integration: Features Google Maps and Stripe for seamless functionalities.

Stack: Ruby on Rails, Hotwire, PostgreSQL, Kamal

Football-Tracker.com

A Ruby on Rails application developed as a weekend side project with kids, designed to track football matches for Euro 2024.

Features: Match tracking, betting options, leaderboard

Stack: Ruby on Rails 8, Hotwire, Kamal

Yelp - Software Engineer

November 2012 - Present 12 years 9 months

At Yelp, I have been instrumental in leading scalable projects and designing efficient RESTful services. My contributions include:

  • Leadership: Mentoring engineers and managing distributed international teams.
  • Metrics: Developed real-time dashboards and metrics in Splunk.
  • Translation: Managed workflows as i18n deputy.

My role emphasizes innovation, teamwork, and technical expertise to enhance user experiences.

QYPE Gmbh - Ruby on Rails Developer

July 2010 - November 2012 2 years 5 months

During my tenure at QYPE Gmbh, I developed and contributed to:

  • Automation Tool Development: Built an Automation Testing Tool using Cucumber, WebDriver, and Ruby on Rails interface.
  • Web Automation Frameworks: Played a key role in developing frameworks for a California company post-acquisition.

BenQ Poland Sp. z o. o. - UMTS and Customization Specialist

2006 - 2007 1 year

Responsible for customization and testing of UMTS mobile devices. The role involved working on advanced telecommunications technologies, ensuring product compatibility, and managing customization projects tailored to client requirements.

Freelance Projects

Optician "Walczyk"

January 2009 - April 2009 4 months
Ruby on Rails Developer

Designed, built, and architected a tailored product for the client's needs. Worked closely with the client, providing feedback and iterating on designs. Fully responsible for UI design, API implementation, testing, and deploying the app successfully.

PETERPOL

January 2008 - December 2008 1 year
Ruby on Rails Developer

Designed, built, and architected an application tailored to client requirements. Responsible for database creation, server setup, testing, and deploying the app. Worked in close collaboration with the client to ensure satisfaction.

FH AGA

June 2007 - October 2007 5 months
PHP Developer

Designed, built, and architected an application tailored to client requirements. Responsibilities included database creation, server setup, testing, and deploying the app. Collaborated closely with the client to iterate and deliver a successful product.

Education

DePaul University

Master of Science

Computer Science

2003 - 2005

Wyższa Szkoła Biznesu - NLU

Master of Science

Computer Science

2000 - 2005

Wyższa Szkoła Biznesu - NLU

Post Masters Degree Studies

Programming in Microsoft Visual Studio

2009 - 2010

Certifications

Co-Active Coaching Fundamentals

Professional coaching certification