This job ad has been posted over 40 days ago! (*)
OpenRefine is a powerful, free and open source tool for working with messy data: cleaning it; transforming it from one format into another; and extending it with web services and external data.
OpenRefine's packaging for MacOS and Windows can be improved in many ways. We are looking for help in this area. We welcome proposals from prospective contractors. Read more about the assignment and the application process on OpenRefine's blog (see link below).