Studied at the Restoration and Reconstruction of Architectural Ensembles Department of the Lviv Polytechnic National University. She received her diploma in "Architecture of Buildings and Structures" in 2013.

At the Center for Urban History she is, since 2018, the architectural editor of Lviv Interactive; author of the architectural description of buildings. She also leads architectural city walks. In 2014-2017 she was the project's content-manager.

Academic interests: architecture and city planning in the late nineteenth and early twentieth centuries, architectural heritage, history of architectural conservation and restoration.

Selected publications:

• Rybchynskyi, O. V.; Zarechnyuk, O. H. "The Shaping of the Composition and Planning Structure of Pomoryany Market Square" [Formuvannia kompozytsiyno-planuvalnoyi struktury rynkovoyi ploshchi Pomoryan] in Contemporary Issues of Research, Conservation and Restoration of Historic Fortifications", Chełm-Lviv, 2016, pp. 192-206
• Kazantseva, T. E.; Zarechnyuk, O. H. "The Style and Design of the Window and Portal Tracery of Lviv Buildings of the Fifteenth to the Early Twentieth Centuries (based on field research)" [Stylistyka ta dyzayn maskerkiv vikon i portaliv lvivskykh budivel XV – pochatku XX st. (na osnovi naturnykh doslidzhen) Lviv Polytechnic Herald. Architecture. 2012. No. 728. pp 221-218.
• Zarechnyuk, O. "Window Woodwork as Architectural and Decorative Elements of Buildings of the Late Nineteenth and Early Twentieth Centuries." [Vikonna stoliarka yak arkhitekturno-dekoratyvnyi element budivel druhoyi polovyny XIX – pochatku XX st.] 70th Student Conference: Book of Abstracts (October-November 2012) / Lviv Polytechnic National University; [Eds: Bobalo,Y. Y.; Pikh, Z. H.; Cherkes, B. S. et al.]. Lviv: Lviv Polytechnic National University Publishing House, 2012. pp. 14-15.