Publication
gRPC vs. REST: Key Differences, Performance, and Use Cases
https://www.toptal.com/developers/grpc/grpc-vs-rest-api
Laszlo is available for hire
Hire LaszloLaszlo Gyori
Verified Expert in Engineering
.NET Developer
Budapest, Hungary
Toptal member since February 14, 2022
Bio
Laszlo is a seasoned developer and leader with a decade and a half's worth of experience. With hands-on experience in all stages of software development and managerial duties, he is a life-long learner, completionist, and problem solver. Laszlo's expertise includes back-end services with .NET 6, databases using SQL and Oracle, front end on Angular 13, and cloud technologies such as AWS and Azure.
Portfolio
Tel.io
.NET, Entity Framework Core, Docker, Kubernetes, C#, Software Architecture...
Prozenda
.NET, Azure, Docker, Kubernetes, Entity Framework Core, gRPC, Angular...
Tata Consultancy Services
ASP.NET, Windows Communication Foundation (WCF), Oracle, JavaScript, HTML, CSS...
Experience
- .NET - 20 years
- JavaScript - 17 years
- ASP.NET - 17 years
- SQL - 15 years
- Unit Testing - 13 years
- Entity Framework - 10 years
- Angular - 5 years
- Azure - 5 years
Work Experience
Solution Architect
2022 - PRESENT
Tel.io
- Was tasked, as a solution architect, with assisting in creating a strategy to split a huge legacy monolith to use modern, microservices-based architecture.
- Helped introduce new architectural components, like containerization, queues, and buses.
- Regularly educated coworkers on the advantages of microservices architecture and various tools in the form of presentations.
Technologies: .NET, Entity Framework Core, Docker, Kubernetes, C#, Software Architecture, React, gRPC, Microservices, APIs, Architecture, ASP.NET Core, C#.NET, REST APIs, Microsoft SQL Server, Git, Technical Leadership, ASP.NET MVC, Razor, .NET 6, HTML5, Transact-SQL (T-SQL), Full-stack, Application Architecture, API Integration, Web API, Blazor, Tailwind CSS, Visual Studio, Microsoft Teams, Single Sign-on (SSO), Microsoft Azure, Solution Architecture, .NET Framework, MongoDB, JSON, Stripe, SQLite, Node.js, Ionic, Tailwind UI, Linux, AI-generated Code, CI/CD Pipelines, DevOps, Data Processing, Debugging, System Integration, Full-stack Development, RESTFul APIs
Development Manager
2018 - 2022
Prozenda
- Worked actively on high-traffic services with more than one billion requests per day for the travel industry's largest B2B provider.
- Oversaw the development of a lifestyle management portal as part of a modernization project with multiple teams of 15 people altogether.
- Owned technical leadership in the company, including hiring and training.
Technologies: .NET, Azure, Docker, Kubernetes, Entity Framework Core, gRPC, Angular, Unit Testing, C#, Code Review, .NET Core, Interviewing, HTML, JavaScript, CSS, Entity Framework, Team Leadership, Software Design, TypeScript, ASP.NET Web API, APIs, Architecture, Amazon Web Services (AWS), ASP.NET Core, C#.NET, Front-end Development, REST APIs, Git, Azure DevOps, Technical Leadership, ASP.NET MVC, Razor, .NET 6, Azure SQL, HTML5, Full-stack, Application Architecture, API Integration, Web API, Visual Studio, Microsoft Teams, Azure Active Directory B2C (ADB2C), Microsoft Azure, Solution Architecture, JSON, AutoMapper, Grafana, Linux, CI/CD Pipelines, DevOps, Debugging, System Integration, Payment Gateways, Full-stack Development, RESTFul APIs
Lead Senior Software Designer
2016 - 2018
Tata Consultancy Services
- Planned and developed a web application for a large client in the financial industry using HTML5, AngularJS, and ASP.NET MVC.
- Integrated an existing desktop software solution with the new web-based system, including concurrency handling and transactional support.
- Coordinated the work of ten developers, assigned, and explained tasks, performed code and solution reviews, mentored new colleagues, and owned general people management.
Technologies: ASP.NET, Windows Communication Foundation (WCF), Oracle, JavaScript, HTML, CSS, AngularJS, NHibernate, Unit Testing, C#, Code Review, Interviewing, Azure, Team Leadership, Software Design, TypeScript, ASP.NET Web API, REST, APIs, Architecture, Software Architecture, C#.NET, Front-end Development, REST APIs, Git, Azure DevOps, Technical Leadership, ASP.NET MVC, Razor, Bootstrap, HTML5, IIS, Full-stack, Application Architecture, API Integration, Web API, Windows Server 2016, .NET 4, Visual Studio, Microsoft Teams, .NET Framework, JSON, CI/CD Pipelines, Debugging, On-premise, System Integration, Full-stack Development, RESTFul APIs
Senior Software Engineer
2013 - 2016
EPAM Systems
- Developed and supported a shared business module for several gambling sites as a key developer for a Swedish betting company.
- Implemented a new website using Sitecore CMS and the client’s custom web framework, designed and implemented content hierarchy and server-side functionality connecting to legacy systems, and led a team of two-to-six people.
- Worked on an internal cost tracking mobile application for iOS.
Technologies: ASP.NET, Sitecore, JavaScript, HTML, CSS, Swift, NServiceBus, Unit Testing, C#, Code Review, Entity Framework, Team Leadership, ASP.NET Web API, REST, APIs, C#.NET, Front-end Development, REST APIs, Microsoft SQL Server, ASP.NET Web Forms, jQuery, Git, ASP.NET MVC, Razor, Bootstrap, Transact-SQL (T-SQL), IIS, Full-stack, Legacy Software, Windows Services, API Integration, Web API, SQL Server 2014, .NET 4, Visual Studio, Dapper, .NET Framework, JSON, C#.NET WinForms, CI/CD Pipelines, Debugging, On-premise, Reverse Engineering, Full-stack Development, RESTFul APIs
Axapta Developer
2012 - 2013
XAPT
- Designed and implemented additional modules for an OCR workflow for the Hungarian census data processing.
- Developed various changes to existing Dynamics AX solutions.
- Built inventory management software on handheld devices.
Technologies: .NET, Entity Framework, Windows Presentation Foundation (WPF), Windows Communication Foundation (WCF), Microsoft Dynamics AX, Windows Mobile, C#, REST, APIs, C#.NET, ASP.NET Web Forms, Transact-SQL (T-SQL), IIS, Full-stack, Legacy Software, .NET 4, WCF Web Services, Visual Studio, .NET Framework, C#.NET WinForms, Debugging, On-premise
Application Management Expert
2008 - 2011
Grepton
- Supported and implemented new change requests for an internal application used by customer support for a telecommunications client.
- Planned an integration between an internal system and Oracle Siebel CRM and provided consultations for the implementing party as a technical consultant.
- Implemented inventory management software for handheld devices for a client in the transportation industry.
Technologies: .NET, Windows Forms (WinForms), ASP.NET, SQL, C#, Azure, APIs, C#.NET, Front-end Development, ASP.NET Web Forms, Transact-SQL (T-SQL), IIS, Full-stack, Legacy Software, Windows Services, WCF Web Services, Visual Studio, .NET Framework, C#.NET WinForms, Debugging, On-premise, Full-stack Development
Project History
Modernization Project for a Lifestyle Management Company
The project included rewriting an existing client management portal using the most modern technologies and paradigms available.
I was the lead developer, coordinating the work of 15 to 20 developers, conducting code reviews, interviewing for new hires, and guiding releases.
I was the lead developer, coordinating the work of 15 to 20 developers, conducting code reviews, interviewing for new hires, and guiding releases.
High Traffic Services for the World's Largest B2B Travel Provider
My team and I created the core booking engine services and integrated various external data providers for the world's largest travel provider. At peak traffic, the system was handling one billion requests per day.
Financial Application for a Fortune 500 Company
My team of 10 developers and I were tasked with modernizing and rewriting an existing financial desktop application to a web-based one. We chose SPA architecture with an ASP.NET 4.5 web API back end and an AngularJS front end with the Oracle database already present.
Education
2002 - 2010
Master's Degree in Information Technology
Budapest Institute of Technology and Economics - Budapest, Hungary
Certifications
DECEMBER 2023 - DECEMBER 2026
AWS Certified SysOps Administrator – Associate
Amazon Web Services (AWS)
AUGUST 2023 - AUGUST 2026
AWS Certified Developer - Associate
Amazon Web Services (AWS)
MAY 2023 - MAY 2026
AWS Certified Solutions Architect - Associate
Amazon Web Services (AWS)
JANUARY 2014 - PRESENT
Website .NET Developer Certification for Sitecore CMS 7.0
Sitecore
APRIL 2012 - PRESENT
Microsoft Certified Professional
Microsoft
MARCH 2009 - PRESENT
Microsoft Certified Solution Developer
Microsoft
Skills
Libraries/APIs
Entity Framework, REST APIs, jQuery, Web API, Windows Forms (WinForms), React, AutoMapper, NServiceBus, Stripe, Node.js
Tools
Git, Visual Studio, Microsoft Teams, C#.NET WinForms, Dapper, Microsoft Dynamics AX, Azure Active Directory B2C (ADB2C), Grafana
Languages
SQL, JavaScript, C#, C#.NET, HTML, CSS, TypeScript, HTML5, Transact-SQL (T-SQL), Swift
Frameworks
.NET, ASP.NET, Entity Framework Core, .NET Core, ASP.NET Web API, ASP.NET Core, ASP.NET Web Forms, ASP.NET MVC, Razor, .NET 6, .NET 4, Blazor, Angular, Jasmine, AngularJS, gRPC, Windows Presentation Foundation (WPF), NHibernate, Bootstrap, Tailwind CSS, Ionic
Paradigms
Unit Testing, Azure DevOps, Application Architecture, DevOps, Microservices, REST
Storage
Microsoft SQL Server, SQL Server 2014, JSON, SQLite, On-premise, PostgreSQL, Azure SQL, MongoDB
Platforms
Windows, Azure, Docker, Kubernetes, Windows Mobile, Amazon Web Services (AWS), Oracle, Windows Server 2016, Linux
Other
Development, Team Leadership, Software Design, Code Review, APIs, Architecture, Front-end Development, Technical Leadership, Full-stack, Legacy Software, API Integration, .NET Framework, Debugging, System Integration, Full-stack Development, RESTFul APIs, Windows Communication Foundation (WCF), Interviewing, Software Architecture, IIS, Windows Services, WCF Web Services, Single Sign-on (SSO), Microsoft Azure, Solution Architecture, CI/CD Pipelines, Sitecore, OAuth, Code Deployment, Codebase Development, AWS Certified Developer, Cloud, Cloud Infrastructure, Tailwind UI, AI-generated Code, Data Processing, Reverse Engineering, Payment Gateways
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