|Date of birth||October 24, 1937|
|Place of birth||Šaľa, Czechoslovakia|
|Playing position||Right winger|
|1985–1987||Czechoslovakia olympic team|
|1988–1990||ŠK Slovan Bratislava|
|1990–1991||Kuala Lumpur FA|
|1991||Jednota VSS Košice|
|1993||Slovan Poľnonákup Levice|
|2005–2007||ŠK Slovan Bratislava|
|2008–2010||Dukla Banská Bystrica|
|2010||ŠK Slovan Bratislava|
|* Senior club appearances and goals counted for the domestic league only.
Jankech began with football in his native town Šaľa. He played for Šaľa since 10 years. Later he left for Uherské Hradiště, then played for TTS Trenčín and he ended career in TŽ Třinec as 29 years old. He started training in TŽ Třinec. His playing career was not so successful than managing career.
Jankech was one of the few Slovak football globetrotters. He trained in foreign several exotic teams such as Kuala Lumpur, Qatar Sports Club or twice in national team of Maldives. Jankech starting his managerial career as ending player in Czech team TŽ Třinec. Then followed stage in Košice where he trained at first VSS Košice and then Lokomotíva Košice. In 1980 coming the first foreign job in Cyprian team Nea Salamina Larnaka. Jankech also trained Czechoslovakia olympic team. Meanwhile, he was coach in TTS Trenčín.
On July 4, 1995 he became the second Slovak football trainer after Jozef Vengloš. Jankech completed two qualification's cycles, first at EURO 96 and second at World Cup 98. He achieved several very good results against strong opponents such as victories over Czech Republic, Poland and Croatia at the friendly match and draws against France and Yugoslavia. He failed to progress at the championship.
He was also a part in a Czech online football manager BREJK, where he was a pro bono 100% (best in game) couch for 15 days for a winner of brejktip, quiz in that manager. He was there nicknamed as Jozef Hlavatý. picture from game
- Czechoslovak Cup: 1977, 1979
- SAFF Championship: 2008
- "Jankech: Na Maldivách sme boli za majstrov sveta" (in Slovak). Pravda. 2008-06-18.
- "Jankech prevzal trénerské žezlo v Dukle" (in Slovak). 24hod. 2008-12-02.