About me

Siarhei Hryshchanka

Senior Software Engineer · Solution Architect · Founder

20+ years designing and implementing production-grade client-server solutions. I founded Exply Labs to channel that experience into bespoke software and polished products — built personally, end-to-end.

Professional Experience

Founder

Exply Labs

2026 – Present

Building bespoke commercial software products and independently published tools for developers, designers, and end users. Combining 20+ years of engineering experience with a founder mindset to deliver polished, production-ready solutions.

  • End-to-end product ownership from architecture to deployment
  • Currently developing Document Explainer, Kitly, and CopyGuard
  • Full-stack delivery across frontend, backend, cloud, and integrations

Senior Backend Developer

Office Data Apps sp. z o.o.

January 2022 – Present

Responsible for backend Node.js architecture, PostgreSQL optimisation, Angular admin panels, and Azure/AWS integrations.

  • Optimised PostgreSQL queries, bunch documents processing
  • Backend for Shared Email Templates: feature-rich and secure
  • Automated deployment pipelines via PowerShell
  • Mentored junior developers, improving team efficiency

Senior Software Engineer

Add-in Express Ltd.

January 2004 – April 2022

Designed and built widely used Microsoft Office developer tools. Managed the end-to-end development of 7 major products with worldwide distribution.

  • COM add-ins for Microsoft Office, Internet Explorer, and Visual Studio
  • Built version-neutral Office add-in frameworks
  • Delivered WiX tooling extensions to replace manual XML with visual designers
  • Developed all products end-to-end: architecture, implementation, production

Key Projects

Add-in Express for Microsoft Office and .NET

Lead Developer

All-in-one framework for developing commercial-grade Microsoft Office extensions — COM add-ins, Outlook plugins, Excel XLLs and more. Supports all Office versions from 2000 to 2024/365 with version-neutral architecture.

View product →

Security Manager for Microsoft Outlook

Lead Developer

One-line programming tool to bypass Outlook security warnings and alerts in add-ins and applications interacting with Microsoft Outlook. Supports .NET, VCL and ActiveX platforms.

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Add-in Express for Microsoft Office and VSTO

Lead Developer

Extension of Microsoft Visual Studio Tools for Office that enables creating powerful add-ins for Outlook, Excel, Word, PowerPoint and more — with visual designers instead of routine coding.

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Add-in Express for Internet Explorer and .NET

Lead Developer

All-in-one framework for building IE browser extensions using .NET. Provided version-neutral support for IE6 through IE11 with visual designers and one-click MSI deployment.

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Designer for WiX Toolset

Lead Developer

Visual Studio extension that replaces plain Windows Installer XML with intuitive visual editors. Covers file system, registry, custom actions and multilingual UI — accelerating WiX setup project delivery many-fold.

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VDProj to WiX Converter

Lead Developer

Visual Studio extension that auto-generates WiX-based setup projects from legacy .vdproj files in one click — supporting all project types, custom actions, built-in dialogs and merge modules.

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Ribbon Designer for SharePoint & Office 365

Lead Developer

Framework providing True RAD for customising the Server Ribbon UI in SharePoint 2010/2013 and Office 365 solutions — visual designers replace complex Server Ribbon XML entirely.

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Shared Email Templates for Outlook

Backend Developer

Outlook add-in for creating reusable, shareable email templates with dynamic macros, mail merge and team-wide sharing.

View product →

Technical Skills

Languages

C#VB.NET.NET FrameworkC++TypeScriptJavaScript

Frameworks

AngularNode.jsReactNestJSNext.jsHTML5 / CSS

Databases

PostgreSQLRedisSQL

Cloud

Amazon S3AWS CloudWatchMicrosoft Azure

Tools

GitDockerPowerShellMicrosoft SharePointPrometheusGrafana

APIs & Integrations

AWS ServicesAzure APIsVerifone / 2CheckoutPaddle
Strong problem-solving
Excellent communication
Initiative & proactive mindset
Adaptability & quick learning

Education

Francisk Skorina Gomel State University

Bachelor's in Software Engineering

Graduated 1998

Publications

"Insight of Add-in Express Loader"

"MS Office Toolbar and Ribbon UI Images Style Guide"

"Add-in Express 2010 MSI-based Web Deployment – ClickTwice"

Ready to build something together?

20+ years of engineering experience, applied to your project — personally, from start to finish.

Exply Labs