Марк

MARK BABYCH
Software Architect · Backend & Systems Engineer
[open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)

PROFESSIONAL SUMMARY

Software Architect & Backend Engineer with 7+ years of experience specializing in ASP.NET Core and modern cloud
architectures. Proven track record of optimizing backend performance, modernizing legacy systems, and streamlining
delivery pipelines. Currently owns backend architecture and CI/CD for a 6-engineer team developing an enterprise AI-
assisted security solution.

CORE COMPETENCIES

Languages: C#, C++, C, Python, TypeScript, JavaScript, SQL, PowerShell
Backend & Cloud: .NET / .NET Core, ASP.NET Core, Web API, WCF, Entity Framework, AWS, Azure, IIS, CI/CD, GitLab CI,
REST
Desktop & UI: WPF, MVVM, Avalonia, WinForms, UWP, DevExpress, Prism, Unity (2D/3D)

Data: MS SQL Server, PostgreSQL, MySQL, SQLite, stored procedures, schema migrations, query optimisation
Systems & Perf: Low-level optimisation, cache topology (L1/L2/L3), memory alignment, false sharing, profiling, reverse
engineering
Practice: Software architecture, technical leadership, code review, mentoring, client-facing scoping, Agile/Scrum
Tooling: Visual Studio, VS Code, Git (GitHub, GitLab), Perforce, Plastic SCM, DBeaver

PROFESSIONAL EXPERIENCE

Terrecon — Software Architect November 2025 – Present

AI-Assisted Antivirus Platform
Malware-detection suite for Windows and Android with an ML-backed classification pipeline.
Architected the detection pipeline and service boundaries, taking a single-target prototype to a modular platform
now shipping on Windows and Android.
Built the GitLab CI/CD pipeline and dedicated build servers, cutting release turnaround from 12 hours to 30min.
Lead 6 engineers: scope breakdown, code review, and feature negotiation with the client.
I M PA C T: 6 engineers led · 2 platforms shipped · 20% faster releases
T EC H N O LO G I E S : C#, C++, C, .NET, GitLab CI/CD, LLM tooling, Visual Studio 2022, VS Code
Expertree Consulting GmbH — Senior .NET Developer February 2023 – October 2025

Media Download Platform
Windows desktop client that captures video and audio from major streaming services, plus its web admin panel.
Rewrote the heaviest WPF views (spectrogram viewer, dialog shell, nav drawer) as reusable controls, cutting frame
time 30% on large libraries.
Moved builds to an AWS pipeline with auto-generated installers, removing the manual release step and its version-
drift bugs.
Shipped an ASP.NET admin panel that let support run maintenance unaided, reclaiming 3 engineer-hours a week.
I M PA C T: 6 engineer team · 3+ streaming sources · 30% faster UI render
T EC H N O LO G I E S : C#, C++, .NET / .NET Standard, WPF, MVVM, ASP.NET, AWS, CI/CD, PowerShell

Eleks — WPF Developer January 2021 – October 2022

Risk Management Business Solution
Modular liability-modelling suite for insurance risk analysts, backed by MS SQL.
Built the liability-modelling UI on WPF and DevExpress, used daily across a suite of interoperating apps.
Cut analyst report latency 60% by rewriting hot-path MS SQL stored procedures.
Introduced versioned migrations, making schema changes repeatable across 13 developer environments.
I M PA C T: 13 engineer team · 60% faster reports
T EC H N O LO G I E S : C#, C++, Python, .NET, WPF, MVVM, MS SQL, Web API, DevExpress

GlobalLogic — .NET Developer April 2019 – December 2020

UWP Media & Audio Products (Xbox + Windows)
A subscription radio/music service and a VOD app for film, TV and live shows — both shipping to Xbox and Windows.
Built the Xbox-first UWP interface for both products — gamepad navigation, EPG grid, media player — on one shared
control set.
Integrated Google, Facebook and Microsoft sign-in with tiered guest / standard / premium accounts.
Published and monitored both titles in the Microsoft Store, feeding crash telemetry into the backlog.
I M PA C T: 2 products shipped · 2 platforms · 7 engineer team
T EC H N O LO G I E S : C#, .NET Core, UWP (Prism), MVVM, ASP.NET Web API

Security & Surveillance Platform
Access-control and camera-management system deployed at airports and transit hubs.
Migrated a legacy WinForms client to WPF, hand-building replacements for controls with no WPF equivalent.
Optimised MS SQL and WCF backend code, removing the timeouts operators hit at peak load.
I M PA C T: 9 engineer team
T EC H N O LO G I E S : C#, .NET Framework, WPF, WinForms, WCF, Web API, Entity Framework, MS SQL, Windows Services
Freelance / Contract* — Lead .NET Developer 2019 – 2023

Crypto Trading Analysis Software
Cross-platform technical-analysis desktop app with live and historical market data. 9 months, 6 engineers.
Owned core service architecture and wrote a custom plot renderer that keeps million-point tick datasets interactive.
Integrated live Binance and ByBit feeds with an offline path, so analysis survives a provider outage.
I M PA C T: 6 engineer team · 9 mo delivery · 3 OS targets
T EC H N O LO G I E S : C#, .NET, Avalonia, ScottPlot, SQLite, AWS

Automated Crypto Trading Platform (Web)
Bot-driven trading site with user-authored and public strategies, billing and an admin panel. 14 months, 5 engineers.
Designed the core services and a custom encrypted protocol for server-to-server trade data.
Built recurring and manual billing, a self-hosted SMTP service, and the deploy pipeline.
I M PA C T: 5 engineer team · 14 mo delivery
T EC H N O LO G I E S : C#, ASP.NET, React, Entity Framework, MySQL, SMTP, AWS, CI/CD

Money Track
Personal expense manager for Windows 7 through 11, with silent auto-update. 1 month, solo.
Delivered the whole product solo — UI, API, installer, auto-updater — against a fixed design spec.
I M PA C T: 1 mo solo delivery
T EC H N O LO G I E S : C#, .NET, WPF, MVVM, SQL CE, PowerShell, CI/CD

E D U C AT I O N

BSc Computer Science — February 2018 – June 2022
Lviv Polytechnic National University — Institute of Computer Science and Information Technology, Ukraine

C E R T I F I C AT I O N S

Software Development Diploma — June 2015 – November 2017

L A N G UA G E S

English — Professional working proficiency · Ukrainian — Native · Japanese — Beginner (JLPT N4)

* Contract work ran in parallel with full-time roles.