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 | 16 | 12 | 2 | 2 | 31 | 9 | 22 | 38 |
| 2 | Livingston | 15 | 8 | 6 | 1 | 19 | 10 | 9 | 30 |
| 3 | Ayr UnitedAyr | 16 | 8 | 4 | 4 | 23 | 15 | 8 | 28 |
| 4 | Partick ThistlePartick | 15 | 7 | 5 | 3 | 18 | 9 | 9 | 26 |
| 5 | Queen's ParkQueen's Park | 16 | 7 | 4 | 5 | 18 | 16 | 2 | 25 |
| 6 | Dunfermline AthleticDunfermline | 16 | 4 | 3 | 9 | 14 | 18 | -4 | 15 |
| 7 | Hamilton AcademicalHamilton | 15 | 4 | 3 | 8 | 21 | 28 | -7 | 15 |
| 8 | Raith Rovers | 15 | 4 | 3 | 8 | 13 | 21 | -8 | 15 |
| 9 | Greenock MortonMorton | 15 | 3 | 6 | 6 | 11 | 19 | -8 | 15 |
| 10 | AirdrieoniansAirdrieonians | 15 | 1 | 2 | 12 | 6 | 29 | -23 | 5 |
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