The digital banking software provider has begun a search to replace finance head Philippe Wirth, who joined two years ago.
Digital banking software specialist Crealogix said its head of finance has decided to leave his post at the end of the year.
The Swiss firm said that chief financial officer Philippe Wirth will leave the business at the end of December 2019.
The group added that it has begun a search for a successor to Wirth, who joined the business in April 2017.
Crealogix, founded in 1996, sells financial software to fintechs, banks and wealth managers all over the world.
Its clients include online savings marketplace Raisin in Germany, universal bank Societe Generale in France and private lender Coutts in the UK.
Crealogix chief executive Thomas Avedik said: "As a senior management team member, Philippe Wirth has made a strong contribution to the company's future development. I would like to thank him most sincerely for his important commitment to Crealogix and wish him every success and happiness in his new challenge."
The Zurich-based group employs more than 700 staff across ten offices in Europe and one in Singapore.
The group is listed on the SIX Swiss Exchange and is valued at around 141m Swiss Francs.