The West Lothian club confirmed that the 24-year-old has arrived from National League side Eastleigh.
Warsaw-born Stryjek moved to Sunderland from MKS Polonia as a youth in 2013, and had loan spells at Boston United, Accrington Stanley and Eastleigh, before joining 'The Spitfires' permanently last summer.
Stryjek represented Poland at Under-17, Under-18 and Under-19 level.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | FalkirkFalkirk | 21 | 14 | 4 | 3 | 39 | 17 | 22 | 46 |
| 2 | Ayr UnitedAyr | 22 | 13 | 5 | 4 | 36 | 18 | 18 | 44 |
| 3 | Livingston | 22 | 12 | 6 | 4 | 30 | 16 | 14 | 42 |
| 4 | Partick ThistlePartick | 22 | 10 | 5 | 7 | 27 | 21 | 6 | 35 |
| 5 | Queen's ParkQueen's Park | 22 | 8 | 5 | 9 | 24 | 24 | 0 | 29 |
| 6 | Raith Rovers | 21 | 8 | 3 | 10 | 22 | 28 | -6 | 27 |
| 7 | Greenock MortonMorton | 20 | 6 | 8 | 6 | 19 | 23 | -4 | 26 |
| 8 | Hamilton AcademicalHamilton | 21 | 6 | 3 | 12 | 27 | 40 | -13 | 21 |
| 9 | Dunfermline AthleticDunfermline | 22 | 5 | 4 | 13 | 21 | 31 | -10 | 19 |
| 10 | AirdrieoniansAirdrieonians | 21 | 2 | 3 | 16 | 14 | 41 | -27 | 9 |
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