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I am a Senior .NET Full Stack Developer and Architect with 28+ years of experience building enterprise-grade, scalable SaaS platforms using C#, ASP.NET Core, and React. I design and modernize complex .NET systems, build secure REST APIs, and deliver full-stack applications across Azure cloud infrastructure. I have deep expertise in microservices, CI/CD automation, Docker/Kubernetes, and OAuth 2.0/JWT security. I lead engineering teams, conduct code reviews, and mentor developers on .NET best practices. I actively leverage AI workflows to accelerate development cycles and improve software quality.…I am a Senior .NET Full Stack Developer and Architect with 28+ years of experience building enterprise-grade, scalable SaaS platforms using C#, ASP.NET Core, and React. I design and modernize complex .NET systems, build secure REST APIs, and deliver full-stack applications across Azure cloud infrastructure. I have deep expertise in microservices, CI/CD automation, Docker/Kubernetes, and OAuth 2.0/JWT security. I lead engineering teams, conduct code reviews, and mentor developers on .NET best practices. I actively leverage AI workflows to accelerate development cycles and improve software quality.

Tamas Polgar

Full Stack Developer, Web Developer, Back-End Developer, +3

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I am a Senior .NET Full Stack Developer and Architect with 28+ years of experience building enterprise-grade, scalable SaaS platforms using C#, ASP.NET Core, and React. I design and modernize complex .NET systems, build secure REST APIs, and deliver full-stack applications across Azure cloud infrastructure. I have deep expertise in microservices, CI/CD automation, Docker/Kubernetes, and OAuth 2.0/JWT security. I lead engineering teams, conduct code reviews, and mentor developers on .NET best practices. I actively leverage AI workflows to accelerate development cycles and improve software quality.…I am a Senior .NET Full Stack Developer and Architect with 28+ years of experience building enterprise-grade, scalable SaaS platforms using C#, ASP.NET Core, and React. I design and modernize complex .NET systems, build secure REST APIs, and deliver full-stack applications across Azure cloud infrastructure. I have deep expertise in microservices, CI/CD automation, Docker/Kubernetes, and OAuth 2.0/JWT security. I lead engineering teams, conduct code reviews, and mentor developers on .NET best practices. I actively leverage AI workflows to accelerate development cycles and improve software quality.

Available to hire

I am a Senior .NET Full Stack Developer and Architect with 28+ years of experience building enterprise-grade, scalable SaaS platforms using C#, ASP.NET Core, and React. I design and modernize complex .NET systems, build secure REST APIs, and deliver full-stack applications across Azure cloud infrastructure. I have deep expertise in microservices, CI/CD automation, Docker/Kubernetes, and OAuth 2.0/JWT security. I lead engineering teams, conduct code reviews, and mentor developers on .NET best practices. I actively leverage AI workflows to accelerate development cycles and improve software quality.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

German

Advanced

English

Fluent

Hungarian

Fluent

Work Experience

Senior .NET Full Stack Developer / Tech Lead at Amprela GmbH

February 1, 2023 - April 1, 2026

Architected reusable ASP.NET Core SaaS platform frameworks deployed across 12 production systems; refactored 11+ legacy .NET enterprise systems; designed secure REST APIs with OAuth 2.0/OpenID Connect/JWT; built CI/CD pipelines; containerized microservices with Docker/Kubernetes; deployed cloud-native backends on Azure App Service, Functions, AKS, Azure SQL; integrated AI-powered workflows; mentored engineers and drove TDD and code reviews.

Full Stack Tech Lead at Akka-Modis (Adecco)

August 1, 2020 - January 1, 2023

Led 8 engineers on a geospatial IoT SaaS platform serving 5M+ active users; designed RESTful APIs and event-driven microservices; reduced production downtime and improved database performance; introduced automated testing, CI/CD, and observability tooling; mentored engineers in scalable backend development.

Senior Software Developer at Canadian National Railway

October 1, 2019 - August 1, 2020

Developed enterprise backend services and REST API integrations processing 1M+ daily requests; containerized backend services with Docker; mentored 6 developers on coding standards, design patterns, and automated testing.

Senior Software Developer at UGroupMedia, Inc.

July 1, 2017 - September 1, 2019

Delivered SaaS web applications across 10+ client projects; modernized 8+ legacy systems; designed RESTful APIs and integrated third-party APIs (Stripe, PayPal, Shopify, Google Workspace) in Agile teams; collaborated with PMs to define scope and milestones.