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Sergey Tereshkin

Available to hire

I'm Sergey Tereshkin, a Senior iOS Engineer with over 10 years of experience building and maintaining consumer and enterprise apps.

About

I’m Sergey Tereshkin, a Senior iOS Engineer with over 10 years of experience building and maintaining consumer and enterprise apps. I excel in Swift, SwiftUI, and UIKit, and I enjoy solving complex product and technical problems—from real-time data and BLE devices to PDF workflows. I’m comfortable with end-to-end ownership: architecture, implementation, debugging, performance, and shipping features. Based in Rome, I’ve led projects at MOLO17 and immobiliare.it, mentored junior developers, and collaborated with product, design, and backend teams to deliver robust mobile experiences. I’m open to remote work and relocation and enjoy guiding teams to build scalable, maintainable solutions while keeping a product-minded focus.

  • 12 years' experience
  • Joined February 2026

Languages

  • ItalianFluent
  • EnglishAdvanced
  • RussianIntermediate

Industry experience

  • Software & Internet
  • Media & Entertainment
  • Professional Services

More experts in Rome, Italy

Work experience· 4 roles

Senior iOS Engineer · MOLO17 s.r.l.Nov 2023 – Present · 3 yrs 1 mo

Built an internal iOS ordering app for MyO S.p.A., enabling fast order creation from a large catalog. Implemented a Couchbase-based database with live-query UI updates to synchronize remote changes. Developed a PDF processing tool for iPadOS and macOS that identifies supplier catalogs, links them to the article database, and maps which articles appear on which PDF pages for a sales workflow. Maintained and delivered updates for the TEDDY iOS app bundle (Terranova, Calliope, Rinascimento). Worked on QR FVG Carburanti and Gestore apps: QR code scanning and REST API integration for regional users. Mentored a junior iOS developer and supported onboarding of new teammates.

Senior iOS Engineer · DASKRISE s.r.l.May 2022 – Oct 2023 · 1 yr 6 mos

Contributed to a cybersecurity iOS product focused on threat detection while working remotely. Delivered features across UI and app logic, collaborating with the team to improve stability and product quality. Implemented enhancements to the codebase, participated in architecture decisions, and provided ongoing maintenance to ensure robust performance.

iOS Developer (Mid → Senior) · immobiliare.itMar 2017 – Apr 2022 · 5 yrs 2 mos

Maintained and evolved the iOS app for Italy’s leading real-estate marketplace. Migrated from Objective-C to Swift, modernizing architecture and improving long-term maintainability. Delivered end-to-end features in collaboration with product, design, and backend teams, including Search on Map to improve browsing and discovery.

iOS Developer (Junior → Mid) · App to you s.r.l.May 2014 – Mar 2017 · 2 yrs 11 mos

Education

Master in Applications & Services Development · ELIS ICT Academy2013 – 2014
Perito Informatico · ITC Vittorio Alfieri2011 – 2013
Software development for computing & automation systems · Rostov College of Communications and IT2003 – 2006

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