Summary
Overview
Work History
Education
Skills
Timeline
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Jozef Mraz

Software Developer
Slovensky Grob

Summary

Adept Lead Software Engineer with a proven track record at A1 Telekom Austria AG, showcasing expertise in React, Kubernetes, and exceptional leadership in guiding teams to deliver high-quality software solutions. Renowned for advanced problem-solving and effective communication, consistently achieving project milestones with agility and precision.

Overview

20
20
years of professional experience

Work History

Lead Software Engineer

A1 Telekom Austria AG
05.2018 - Current
  • Designed, coded, tested, debugged and documented programs using agile development practices.
  • Led a team of software engineers to successfully complete projects within deadlines, ensuring high-quality end products.
  • Conducted thorough code reviews to maintain consistency, readability, and adherence to best practices.
  • A1 Partner Web((web application for processing customer orders), technologies used: APS.NET, MS SQL, ESB, WinForm
  • Gucci Widgets and Microservice(variety of microfrontends and microservices running on A1 GucciPlatform(kubernetes) supporting processes in A1 shops e.g. widget for booking appointments in a1 shop: https://www.a1.net/termin), Technologies used: React, NodeJs/Express, Typescript, Kubernetes, ArgoCD, MongoDB, React-query, Redux, Webpack, Jest, React Testing Library, TRPC, Zod

Lead Frontend Developer

FREEMARKETFX LIMITED
07.2010 - 01.2024
  • Established seamless user experiences across multiple platforms by ensuring compatibility with various browsers, operating systems, and devices.
  • Resolved critical bugs promptly, resulting in uninterrupted service availability for end-users during peak usage hours.
  • Participated in more projects: www.wearefreemarket.com, Backoffice Admin Web
  • www.wearefreemarket.com(web application focused around currency exchange and international money transfers), technologies used: APS.NET MVC, Web API, Azure Sql, EntityFramework, nservicebus, knockoutjs, gulp, less, typescript, azure website, github
  • Backoffice Admin Web for wwww.wearefreemarket.com(web application for backoffice operations over FX portal, administering users, kycing customers,…), Technologies used: Blazor, Azure, Bootstrap, AdminLte AzureSql, SignalR, Yarp

Fullstack Software Developer

Tempest A.s.
06.2010 - 07.2014
  • Continuously updated skillset through professional development courses, staying current with industry trends and emerging technologies.
  • Demonstrated strong problem-solving abilities by quickly identifying and resolving defects, leading to increased application stability and user satisfaction.
  • Conducted thorough code reviews to maintain high standards of quality and consistency throughout the project lifecycle.
  • Participated in more projects: Reminiscence portal, KIS NDS
  • Reminiscence portal(web application for The Monuments Board of Slovak republic), Technologies used: APS.NET, Devexpress web controls, NHibernate,Spring.NET, TFS
  • KIS NDS(comprehensive information system for National Highway company), Technologies used: APS.NET, Devexpress web controls, NHibernate, Spring.NET, SVN

Software Developer

CRIF-Slovak Credit Bureau, S.r.o.
02.2005 - 07.2010
  • Improved software efficiency by troubleshooting and resolving coding issues.
  • Saved time and resources by identifying and fixing bugs before product deployment.
  • Contributed to a positive team environment through effective communication, problem-solving, and collaboration skills.
  • participated in many projects: Credit Bureau System, Slovak, Czech Credit bureau, Universal register, I-Rating
  • Credit Bureau System (Integration of many company intranet processes, external services and products into one product.), technologies used:, WSS 3.0, TFS, WWF, JQuery, Json, PowerShell, TFS Build, Selenium IDE, VS 2008
  • Slovak, Czech Credit bureau(Register is providing functionality of sharing credit information about banks clients, creating better decision base for banks in process of offering loans, mortgages and credit cards), Used technologies: .net 1.1 c#, xslt 1.0, Oracle 8g, PL-SQL, Nant, Technology Platform, Altova XmlSpy, Star Team, VS 2003, NUnit
  • Universal register(www.urplus.sk, register of companies and persons providing business information.), Used technologies: APS.NET 2.0, c# 3.0, PowerShell, CruiseControl, Selenium IDE and many other external components like log4net, Enterprise
  • I-Rating(rating of municipalities, and medium companies in order to provide financial and non-financial credit), used technologies :ASP.NET 1.1 , .net 1.1 c#, StarTeam, xslt, NUnit, VS 2003 and many other external components like Log4Net, Enterprise library ,NExcel

Education

Master of Science - Information Technologies

University of Economics
Bratislava
04.2001 -

Gymnázium Andreja Kmeťa
Banská Štiavnica
2000

Skills

Frontend Development

React

Responsive design

RESTful APIs

JavaScript

TypeScript

NodeJS

Object-Oriented Programming

ASPNET MVC Development

Advanced C# Knowledge

Design patterns

NET development

Microsoft ASPNET

Blazor

MongoDB

Kubernetees

HTML/CSS

Azure

MS SQL

Bootstrap, Tailwind

Timeline

Lead Software Engineer

A1 Telekom Austria AG
05.2018 - Current

Lead Frontend Developer

FREEMARKETFX LIMITED
07.2010 - 01.2024

Fullstack Software Developer

Tempest A.s.
06.2010 - 07.2014

Software Developer

CRIF-Slovak Credit Bureau, S.r.o.
02.2005 - 07.2010

Master of Science - Information Technologies

University of Economics
04.2001 -

Gymnázium Andreja Kmeťa

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