Łukasz Adamczak

Professional experience

• Getaround 11/2021 - 03/2025

  Senior Backend Engineer

  Initially in the Getaround Sustainability team, I worked to improve user experience for EV users on the platform. Transitioning to the Finance/Trust team, I developed and maintained key financial flows and robust vetting procedures for our users.

  • Led integration of third-party platform to automate US sales tax calculations and compliance
  • Designed and launched initial toll charging and compensation system on the platform
  • Improved EV owner experience with charging education screens and implementing recharging fees
  • Participated in onboarding new team members & mentoring a junior developer

  Ruby Rails RSpec TypeScript MySQL Stripe

• Nabobil.no 09/2016 - 11/2021

  Full-Stack Ruby on Rails Developer

  As member of the engineering team at Nabobil, I worked on the entire stack, developing features for the web and mobile apps of the carsharing platform. I was involved in building and maintaining the user-facing product and the admin tools from the ground up.

  • Developed full-stack features for Nabobil’s web platform using Ruby on Rails, PostgreSQL and React
  • Built and maintained user-facing product and admin tools
  • Created and enhanced mobile API and app functionality with React Native, using GraphQL for efficient data management

  Ruby Rails TypeScript React React Native GraphQL PostgreSQL

• Rebased 10/2011 - 09/2015

  Senior Ruby Developer

  I worked on multiple client projects either as external consultant, an additional member to client's in-house team, or a sole developer in the prototyping phase of a project.

  • Led the transition from SQL-based search to Elasticsearch for a large ecommerce site
  • Implemented a pure-Ruby transactional mailing system with a Thrift interface for a major classifieds portal
  • Integrated YouTube Javascript API for a large conference website
  • Worked closely with the client as a sole developer during a 6-month MVP phase - from initial Bootstrap prototype through a number of iterations

  Ruby Rails MiniTest RSpec Cucumber Javascript jQuery Ember.js PostgreSQL Elasticsearch Thrift Docker

• Weblify 10/2009 - 09/2011

  Ruby & iOS Developer

  I was part of the team building a local search-and-discovery platform - Lokter. Also contributed to several other in-house and client projects.

  • Developed core backend features for a local search-and-discovery platform in Ruby/Rails
  • Worked on the Lokter iOS client 1.0 in Objective-C
  • Implemented a complete Ruby/Rails/MongoDB backend for a voting/feedback system based on client designs and specs

  Ruby Rails Objective-C JavaScript jQuery MySQL

• Various clients 05/2008 - 10/2009

  Freelance Full-Stack Developer

  When I discovered Ruby on Rails I felt ready to take on the world. I worked on several small to medium projects primarily as a sole Ruby developer working closely with the client and a designer/frontend engineer.

  • Built a complete auction site backend based on client designs with Ruby on Rails
  • Integrated PDF form generation into a Rails web app via iText & JRuby
  • Developed a backend for a large client site with BrowserCMS

  Ruby Rails RSpec MySQL CSS HTML jQuery JavaScript

• Edu Labs 02/2008 - 05/2008

  PHP Developer

  After gravitating more towards web development, I joined a small interactive agency. However, after a few months of PHP I knew there had to be a better way.

  • Co-developed the in-house CMS using Zend Framework and object-oriented PHP
  • Worked on the front- and backend for a few client websites

  JavaScript CSS HTML PHP Zend Framework

• PTK Centertel 11/2006 - 04/2007

  Java/Web Developer

  My first programming job out of university. I worked part-time at a large telecommunications company.

  • Implemented a number of features for an in-house Struts + Javascript application

  Java Apache Struts Jakarta Server Pages JavaScript jQuery

Education