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
Vienna (Remote)
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
London (Remote)
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.
Bratislava
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.
Bratislava
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 Štiavnica2000
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