Tomasz Grzelak

- Responsible for a team of around 15 Engineers. - Organised full-day Hackathons, as a team building and learning exercise - Wrote an "Experteer for Engineers" internal training book - In process of introducing, training and implementing Agile in every department of Experteer (10+ years company; 100+ employees; Atlassian)

- Responsible for a team of 9 Engineers. - Transitioned a 10-year-old Ruby on Rails company, to become a Ruby on Rails + Angular company. - Introduced a company-wide style-guide (reusable JS components, CSS Grid, etc.) - co-organized Ruby meetups at Experteer (Rails 3.2/4.2, AngularJS, Ionic framework)

- Implemented architecture and various features driving two local search-and-discovery services: NowHere, DRNK (similar to Foursquare) - Introduced SCRUM with a physical planning board and weekly release cycles (Rails, Sinatra, EventMachine, MongoDB, Cassandra)

Maintaining and extending "Ciao!" - one of the biggest European shopping sites, part of Bing Shopping. ( PHP, T-SQL, JavaScript, Scrum )

Build a system that helps to detect signature forgeries, using modern spectral sensors. ( C#, OpenGL, UI, UX )

Nationwide project IT-SOA. Designing and creating tools for the automatic composition of web services. ( Ruby on Rails, Java, Web services )

Start-up (www.ludu.pl). Website builder with a social twist. In a way, similar to currently existing wix.com, squarespace.com. ( PHP, CSS, JavaScript, CodeIngiter framework, Ruby on Rails framework, Amazon S3, SVN, Git, Nginx, Unix administration )

Scrum master of a software developer team, implementing a UI for automated tests. Internship. ( Python, Django )

Software engineer (web development) - working for companies such as Staropolanka, Primacafe, Libet, Shell, Bulletfilm, Wroclaw Promotion Department. ( PHP, LAMP, CSS, Javascript, CakePHP framework )

Implementation and administration of websites in the company headquarters (Warsaw) and branch in Zielona Góra. ( PHP, CSS, Javascript, UI, UX, Unix administration )

Implemented and run a local service for small advertisements. ( PHP3, custom flat-file-based DB )