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Work Background
Head of Engineering – Global Payments
Byborg EnterprisesHead of Engineering – Global Payments
Sep. 2024Finestrat, Valencian Community, SpainAs Head of Engineering, I am responsible for the strategic and technical leadership of the Global Payment Solutions department, overseeing developers across four teams. My work includes designing and rolling out a TCO (Total Cost of Ownership) framework to improve cost visibility and control, contributing to the creation of an Engineering Competency Matrix to support structured career development, and driving continuous process improvements. I led the introduction of the company-wide AI initiative within the engineering department, helping developers incorporate generative and agentic AI tools into their daily workflows to accelerate development. I am also responsible for all aspects of people management in the department, including biannual performance reviews, recruitment process oversight, and close collaboration with the hiring team to support effective talent acquisition. Additionally, I define the department’s technical roadmap, support the articulation of a clear long-term engineering vision, and lead technical preparations for PCI-DSS audits to ensure regulatory compliance.
Software Architect Team Lead
Byborg EnterprisesSoftware Architect Team Lead
Apr. 2024 - Aug. 2024Finestrat, Valencian Community, SpainI led the expansion of a newly established engineering team from 2 to 5 members and managed the development of a centralized User Registry Service. The goal of the service was to unify multiple legacy systems with isolated user bases by centralizing registration, authentication, and age verification. Built with Laravel and developed using Test-Driven Development, the system features a flexible middleware-based architecture that allows easy integration of features like age verification. It can support multiple system groups—each comprising separate legacy systems with their own user populations.
Core Area Tech Lead
EmarsysCore Area Tech Lead
Jun. 2022 - Mar. 2024Budapest, HungaryManaging my teams, and helping plan the new developments' architecture/technical decisions. Besides these generic tasks, I am the owner of the TCO (Total Cost Ownership) initiative and with this, I take care of our third-party billings, cost aggregations, mapping to teams/products, managing cost reporting, anomaly detection, etc. Also, I have the task of working out our application's availability initiative: how to measure, what to measure, and how to report and calculate availability on any level. Each year's most important period is the holiday season in a marketing platform's life. This covers the period from Singles' Day, El Buen Fin until the BF/CM weekend. Preparing for the increased load on the system, we start planning at the end of summer and I am the one since 2022, who does the Technical Product Management.
Leader of SAP Closing Condition Developments
EmarsysLeader of SAP Closing Condition Developments
Sep. 2020 - Nov. 2020Budapest, HungaryIn these two months of hard work, my team's focus was to triage and then eliminate that 20k security scan findings across our whole application codes.
Analytics Area Tech Lead
EmarsysAnalytics Area Tech Lead
Oct. 2019 - Jun. 2022BudapestManaging my teams, and helping plan the new developments' architecture/technical decisions.
Technical Lead of Strategic Reporting Team
EmarsysTechnical Lead of Strategic Reporting Team
Jan. 2017 - Oct. 2019Budapest, HungaryA new year, forming a new team, inherited a Ruby service, called Send Time Optimiser. The product decided within a 24-hour frame, that a specific contact should receive a message in which hour to increase conversion, based on its previous behavior. Our task was to finish the development, make it more performant, and make it GA. After half a year of work, we ran into performance issues with external libraries which we were not able to fix by design, so we decided to take a 180-degree turn and port the whole application to NodeJS. After 3 months, we were able to release it to customers and continued with adding new features. NodeJS with Koa, MongoDB, Google BigQuery with UDFs, and Google Cloud Storage. Ruby with Puma, RackApp, Sidekiq, and Amazon RedShift. In June 2018, we started a new reporting product called Strategic Report, where we settled the foundation of the new reporting solution in Emarsys, based on KPIs and the possibility to deep-dive into the smallest granularity possible from the top view. The NodeJS-based application serves the data from Google BigQuery with an aggregation cache level in MongoDB which is rendered then in a Vue-based client-side application.
Senior Software Engineer (AI Incentive Recommendation)
EmarsysSenior Software Engineer (AI Incentive Recommendation)
Apr. 2016 - Dec. 2017Budapest, HungaryAfter successfully saving the SMS channel, we formed a new team and started to work on an AI tool, called Incentives Recommendation. It aimed to suggest the best (cheapest) incentive to a contact based on its previous behaviors (conversions, purchases, amount, etc.) to encourage them to purchase. NodeJS with Koa, JOI, and MongoDB; Google BigQuery with UDFs, Google PubSub, and Google Cloud Storage.
Technical Lead of SMS Team
EmarsysTechnical Lead of SMS Team
Nov. 2015 - Apr. 2016Budapest, HungaryI had a newly formed team and a huge mission, to make our SMS channel performant enough. When we started, it struggled to send out a few thousand SMS in an hour, but our customers’ expectations were much higher. After it had been abandoned for a year, we started to work on it. We reworked processes and tweaked the database schema, optimized the queries and functions, fixed security issues, etc. Technologies used in the project: backend on NodeJS, with Koa, JOI, Knex; client-side: Angular; MongoDB, PostgreSQL, RabbitMQ, SMPP
Co-Founder
We are DesignCo-Founder
Jul. 2012 - Apr. 2014Budapest
Technical Lead of (former) Editors Team
EmarsysTechnical Lead of (former) Editors Team
May. 2012 - Nov. 2015Budapest, HungaryWhen I joined the company, I had the first task to discover a solution, how we can integrate the responsive email approach into the current system. 2013 July: after I finished working on the discovery and came up with a solution, my team had the privilege to start working on the Emarsys Marketing Cloud’s next-level content editor, which had real-time visual preview, and drag-and-drop solutions, but still depended on the existing templating system. We used Backbone and Marionette as the application framework, Bootstrap for the UI components, and Redactor with custom plugins as the WYSIWYG editor. The backend solution was embedded into the monolith PHP-MySQL application using YII as an MVC framework. 2014 August: my team's next product was to improve the ad-hoc and automated contact import configuration UI. Here we still depended on Backbone and Marionette as app framework and Bootstrap for the UI. The backend was the same, we just made some tweaks in the PHP codebase, since we only created a new SPA. 2015 February: we started to work on another content editor for custom HTML-based emails, where we — along with the changing company standards — moved to feature-service architecture running on Heroku. Significant technologies used for the client side were Angular and Bootstrap, and for the server side, it was NodeJS (Koa) and MongoDB. 2015 April: Inbox Preview is a service, where marketers can check their prepared email campaigns in different email clients. We created an embeddable UI, which we could add to both previously released editors. NodeJS (Koa) on the server-side and Angular on the client-side were used here.
Senior Software Developer
Twisted TribeSenior Software Developer
Jan. 2010 - May. 2012Budapest, Hungary
Senior Software Developer
Docler HoldingSenior Software Developer
Jan. 2008 - Jan. 2010Budapest, Hungary
Senior PHP Developer
Házipatika.com Kft.Senior PHP Developer
May. 2007 - Jan. 2008
Front-End Web Developer
Docler HoldingFront-End Web Developer
Dec. 2006 - Apr. 2007Budapest, Hungary
Firefox Add-On Developer
NowPublic.comFirefox Add-On Developer
Aug. 2006 - Feb. 2007
Web Developer
MédiaPark / WMMusic DistributionWeb Developer
Mar. 2003 - Dec. 2006Budapest, Hungary

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Engineering Alignment Specialist for Business Growth
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