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iliaschat0

Ilias C

@iliaschat0

I Build Production Ready NET APIs, Azure Cloud Systems, SaaS and IoT Backends

Netherlands
English, Greek, Dutch
About me
I am a senior .NET / Azure backend engineer with 20+ years of experience building secure, scalable, production-ready systems. I specialize in .NET Core Web APIs, SaaS backends, Azure cloud architecture, SQL databases, microservices, Docker, CI/CD, and IoT telemetry platforms. My background includes smart-city IoT solutions, MQTT data pipelines, Shopify integrations, and AI/LLM business applications. I’m ideally suited for founders, agencies, and growing businesses seeking clean architecture, reliable code, clear communication, and scalable backends.... Read more

Skills

i
iliaschat0
Ilias C
Offline • 
Average response time: 1 hour

See my services

CI/CD
I will create azure devops or github actions ci cd pipelines for dot net apps
From$180 / projectMore details
API & Integrations
I will build a secure net core API for your saas, app, or iot platform
From$290 / projectMore details

Work experience

Freelancer.com

Senior Cloud & Software Engineer (Freelance)

Freelancer.com • Freelance

Dec 2024 - Present • 1 yr 7 mos

Helping startups, agencies, and businesses build secure APIs, cloud-ready backends, SaaS MVP foundations, IoT telemetry pipelines, and AI-enabled business applications using .NET, C#, Azure, SQL, Docker, and modern architecture patterns. - Need a secure API, SaaS backend, Azure deployment, or IoT data pipeline? Message me with a short description of your project and I’ll suggest the safest technical approach. • Built .NET backend with React frontend for Shopify product-bundling application. • Designing beehive monitoring system combining sensors, .NET software, and real-time analytics. • Architected/Demonstrated greenhouse IoT automation concepts using .NET and Azure cloud patterns. • Exploring Azure AI and LLM integrations for natural-language access to structured and IoT data.

Ireckon City

Full-time • 6 yrs 1 mo

Senior Software Engineer & Product Designer

Oct 2022 - Jun 2024 • 1 yr 8 mos

• Designed and implemented backend services and RESTful APIs using .NET and Azure to support smart-city dashboards and IoT telemetry. • Integrated ESP32-based IoT devices via MQTT into Azure IoT Hub, enabling real-time telemetry collection and processing pipelines. • Led UX research, usability testing, and iterative prototyping (Figma) to ensure backend systems met product and user requirements. • Documented system architecture, workflows, and user interactions in Confluence, bridging the gap between engineering and product teams. • Coordinated cross-functional development with frontend, product, and QA teams to align technical implementation with user experience goals. • Optimized CI/CD pipelines in Azure DevOps to automate builds, testing, and deployments, improving release reliability. Tech Stack: .NET, C#, Azure IoT Hub, Web Apps, Storage, Event Grid, SQL, Angular, ESP32, MQTT, Figma, Azure DevOps

Senior Software Engineer

May 2019 - Oct 2023 • 4 yrs 5 mos

• Architected and implemented microservices-based backend systems using .NET Core, enabling modular deployments and independent service scalability. • Designed cloud-native infrastructure on Azure (App Services, Storage) to support distributed, event-driven architectures. • Containerized services with Docker and orchestrated deployments via Kubernetes, improving portability and system resilience. • Built real-time IoT data ingestion pipelines integrating ESP32 devices with Azure IoT Hub for telemetry processing and analytics workflows. • Implemented CI/CD pipelines to automate builds, testing, and deployments across multiple environments. Tech Stack: .NET Core, C#, Azure (App Services, Storage), Docker, Kubernetes, Angular, SQL, ESP32, MQTT