Jozef F.

Jozef F.

United States of America
Hire Jozef F. Hire Jozef F. Hire Jozef F.

About Me

Highly-skilled Software Engineer with 17+ years of experience using C#/.NET as main technology stack. I put emphasis on an innovative use of technology and performant highly-researched software solutions. Demonstrated hands-on expertise in managing solution architecture and building full lifecycle IT solutions in a diverse set of industry branches. Solid experience collaborating with cross-functional teams, analyzing and researching information for accurate planning and strategy that brings the most viable outcomes.

Backend

ASP.NET ASP.NET Core Web API Rest API

Database

SQLite SQL MSSQL

DevOps

Cloud Computing DevOps

QA & Testing

Test-driven development (TDD)

Other

.NET C# .NET Core LINQ Multi-threading programming Entity Framework Async Agile software development jQuery Stripe Directory Service ADO.NET Model View Viewmodel (MVVM) MVC Active Directory AJAX ASP.Classic Concurrent Programming Axure Scrum Performance Optimization

Work history

UpStack
UpStack
Senior Software Engineer
2020 - Present (5 years)
Remote

  • Create and develop innovative software solutions for different clients across a broad range of industries.

  • Participate in scrums consisting of cross-functional teams, both software and hardware.

  • Ensure that features are being delivered efficiently and on-time.

.NETC#.NET CoreASP.NET CoreLINQMulti-threading programmingEntity FrameworkAsyncAgile software developmentTest-driven development (TDD)Rest APIADO.NETASP.ClassicSQLiteSQL
AddSoft
AddSoft
Owner
2019 - 2020 (1 year)
United States

  • Developed custom solutions for multiple clients mainly using C# / Azure, including a software and hardware solution for monitoring IPTV streams.

  • Created a solution for storing and searching words or words roots, as well as a component for data analysis and aggregation in real-time.

  • Acted as Project Manager in DevOps, pursuing greater speed and agility in the software development lifecycle.

.NETC#.NET CoreASP.NET CoreASP.NETEntity FrameworkAsyncTest-driven development (TDD)Directory ServiceWeb APIModel View Viewmodel (MVVM)MVCAJAXConcurrent ProgrammingPerformance OptimizationMSSQLSQLSQLite
CRIF
CRIF
Senior C# Developer / Contractor
2018 - 2019 (1 year)
Slovakia

  • Performed back-end development on the credit registry for a global company specializing in credit bureau and business information, outsourcing and processing services, and credit solutions.

  • Acted as Project Manager and Team Lead, coordinating internal resources and ensuring the project is delivered on time.

  • Monitored the International team, following a detailed project plan to monitor and track progress.

C#.NET.NET CoreASP.NETMulti-threading programmingEntity FrameworkAsyncAgile software developmentjQueryStripeMVCCloud ComputingDevOpsScrumSQL
SolarWinds Czech
SolarWinds Czech
Senior C# Developer
2012 - 2018 (6 years)
Czech Republic

  • Worked on the development and delivery of multiple projects for a leading provider of powerful and affordable IT infrastructure management software.

  • Developed the whole back-end side in C# for a project involving Monitoring network traffic for IP TV providers and other companies that use multicast.

  • Created the initial prototype for a Wireless heatmap application that shows Wi-fi coverage inside buildings.

C#.NET.NET CoreASP.NETLINQMulti-threading programmingEntity FrameworkAsyncDirectory ServiceActive DirectoryWeb APIADO.NETASP.ClassicCloud ComputingPerformance OptimizationScrumSQLiteSQLMSSQL
eTel Slovensko
eTel Slovensko
IT Manager
2000 - 2009 (9 years)
Slovakia

  • Maintained essential IT operations for the TELCO operator, including the Internal Network (Windows) and Hardware management.

  • Performed software development for the TELCO CRM and ensured additional support processes.

  • Managed business-critical IT tasks and systems administration, evaluating emerging technologies, hardware, and software.

.NETC#LINQMulti-threading programmingEntity FrameworkDirectory ServiceMVCActive DirectorySQLMSSQL
Virtual Runners
Owner
1997 - 2019 (22 years)
Remote

  • Acted as IT Manager for multiple clients, analyzing business needs presented by companies and recommending technical solutions.

  • Defining, delivering, and supporting strategic plans to reach organization goals, strategies, practices, and projects.

  • Worked on the development of custom software solutions using several technologies.

.NETC#.NET CoreASP.NETASP.NET CoreMulti-threading programmingEntity FrameworkAsyncAgile software developmentSQLiteMVCScrumPerformance OptimizationSQLMSSQL

Showcase

Senior C# Developer / Technical Manager - Monitoring multicast network traffic
Senior C# Developer / Technical Manager - Monitoring multicast network traffic

  • Performed initial research on multicast network traffic and its implementation using Cisco routers.

  • Developed the back-end side of the application using C#.

  • Successfully delivered the project within the required deadline.

Senior C# Developer / Technical Manager - Wireless heatmap and wireless client position
Senior C# Developer / Technical Manager - Wireless heatmap and wireless client position

  • Developed a Wireless heatmap visualizing Wi-fi coverage within buildings.

  • Created a prototype for precise client location accuracy, aiming for a 15-foot distance error.

  • Utilized technologies including Cisco Wireless, C#, ASP.NET, and JavaScript for the project.

Senior C# Developer / Technical Manager - Monitoring F5 load balancers
Senior C# Developer / Technical Manager - Monitoring F5 load balancers

  • Monitored F5 load balancers to assess health condition of the network.

  • Conducted research to understand the technology and relationships within the load-balanced network.

  • Configured F5 devices for testing purposes and provided knowledge to development teams (5 teams).

Senior C# Developer / Key Developer - Orion Log Manager
Senior C# Developer / Key Developer - Orion Log Manager

  • A C# application was developed to load and manage log information from multiple devices.

  • The application aims to enhance performance for computer network administrators, achieving a 30,000 logs per minute increase after six months of tuning.

  • The project was completed in Brno with collaboration from teams in Austin, focusing on performance optimization using a single server.

Education

Education
Microsoft Certified Professional Developer; Microsoft Certified Technology Specialist; .NET Framework 2.0, Windows Applications; .NET Framework 3.5, ADO.NET Applications; Microsoft Certified Solution Developer; Microsoft Certified Trainer; Microsoft Certified Solutions Associate Universal Windows Platform;
Certifications
Education
Master‘s degree in Industrial Management
Slovak Technical University, Faculty of Material Science and Technology