Software Engineer with 10+ years of experience in ecommerce, enterprise and industrial software development.
Microsoft technology stack (.NET Framework, C#, VB.NET, MSSQL Server, SSRS) & Microsoft development tools
ASP.NET, Javascript(ES6+), HTML5, React, OOP, Unit testing, Design Patterns, Azure, GCP, linux, docker, kubernetes, helm
Work Experience
Price Monitoring and E-commerce SaaS
PriceTweakersMarch 2021 - Present
Core developer on a SaaS platform that helps e-commerce retailers monitor competitor pricing and apply dynamic pricing rules at scale.
Built, released apps and maintained integrations with major e-commerce platforms and marketplaces, including bol.com, Amazon, Shopify, Shopware, Magento, CCV Shop and custom ERP solutions
Designed and developed the client-facing REST API and a price-change alerting service used by retailers to react to market shifts in near real time
Integrated payment providers and built the billing flows underpinning the SaaS subscription model
Built complex reporting UIs with interactive charts that turn raw scrape data into actionable pricing decisions
Provided direct technical support to clients, including onboarding and integration troubleshooting
MES solution for a greenfield tyre manufacturing plant
accentureAugust 2016 - December 2020
Core member of a ~20-person development team building the manufacturing execution system for a new tyre plant.
Designed and built a custom Advanced Planning & Scheduling (APS) module — including scheduling rules covering the full production process — along with custom UIs, reporting, and line-monitoring integrations. Required regular on-site presence and direct workshops with the client.Wind farm surveillance system
accentureSeptember 2020 - December 2020
Data gateway for a chemical manufacturer
accentureOctober 2019 - February 2020
Laboratory Information Management System - LIMS
accentureJuly 2013 - July 2016
Worked on a scalable and highly customizable software platform which covers R&D activities such as development of new products, quality control, sample management, instrument integration etc. Responsible for the following modules: Reporting system, Charts and Trends, Document management, Instrument integration
HMI, SCADA software
evolineNovember 2011 - July 2013
HMI software development and maintenance for industrial material-processing system
Personal projects
konyharegeny.com
Food blog I designed and built for my partner. Built with Next.js and sanity.io headless CMS
Home Server
I run a home server hosting open-source alternatives to commercial services (e.g. Nextcloud, Jellyfin, Immich etc.) — both for educational value and to deepen my hands-on experience with Linux administration, networking, and containerized deployments.
