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 | 20 | 13 | 3 | 3 | 37 | 17 | 20 | 42 |
| 2 | Ayr UnitedAyr | 20 | 11 | 5 | 4 | 32 | 17 | 15 | 38 |
| 3 | Livingston | 20 | 10 | 6 | 4 | 25 | 15 | 10 | 36 |
| 4 | Partick ThistlePartick | 21 | 10 | 5 | 6 | 26 | 19 | 7 | 35 |
| 5 | Queen's ParkQueen's Park | 21 | 8 | 4 | 8 | 23 | 22 | 1 | 28 |
| 6 | Raith Rovers | 19 | 7 | 3 | 9 | 19 | 26 | -7 | 24 |
| 7 | Greenock MortonMorton | 19 | 5 | 8 | 6 | 17 | 22 | -5 | 23 |
| 8 | Hamilton AcademicalHamilton | 19 | 6 | 3 | 10 | 27 | 34 | -7 | 21 |
| 9 | Dunfermline AthleticDunfermline | 20 | 5 | 4 | 11 | 21 | 26 | -5 | 19 |
| 10 | AirdrieoniansAirdrieonians | 19 | 1 | 3 | 15 | 10 | 39 | -29 | 6 |
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