Before writing full-time, he worked as an English tutor for young people in the Pupil Referral Unit (PRU) and care systems.
In 2011, he published the short story "North" in the book Midnight Movie Creature Feature by May December Publications.
Six Stories was published by Orenda Books in 2016,[4] about elusive journalist Scott King who creates a podcast about the unsolved murder of a teenager in Northern England.
Doug Johnstone wrote for The Big Issue that "Wesolowski evokes the ominous landscape and eerie atmosphere with sharp, direct prose.
"[10] Matt Wesolowski won the Pitch Perfect competition at Bloody Scotland Crime Writing Festival in 2015.