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nikolarados

Nikola R

@nikolarados

Senior backend developer, APIs and n8n automation

Serbia
Serbian, English
About me
I've been writing C# for over six years, mostly on the backend. Right now I work on a smart-metering platform: .NET 10 services that talk over Kafka, with SQL Server and Cassandra behind them. Before that I built Azure backend services for a tax platform, and spent four years on a logistics company's TMS, ERP and CRM (ASP.NET Core, Angular, SQL Server). I started in 2018 in application support. On Fiverr I take on API work, bug fixes in existing .NET apps, integrations and n8n automations. I find the cause before I change code, and I explain what I changed in plain words.... Read more

Skills

n
nikolarados
Nikola R
Offline • 

See my services

API & Integrations
I will fix or build your asp net core web API
From$50 / projectMore details
Automations & Agents
I will build or fix n8n workflows and API integrations
From$60 / projectMore details

Portfolio

Work experience

Orion_Innovation

Software Engineer

Orion Innovation • Full-time

May 2024 - Jul 2025 • 1 yr 2 mos

Backend services for a tax-management platform on Azure: ASP.NET Core APIs, Azure Functions for event-driven processing, Service Bus between services, SignalR for live updates and a DocuSign integration for signing documents. I also kept the Azure DevOps pipelines running and tuned slow SQL Server queries.