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Freelance Full-Stack & Cloud Architect for High-Impact Software Projects in Germany, Austria & Switzerland

From architecture to delivery – freelance cloud expertise at senior level

I support enterprise teams and tech companies as a freelance software architect and developer, delivering high-quality cloud, web, and platform solutions – from architecture to production.

With over 20 years of experience, I bring deep technical expertise, proven results, and a senior-level delivery model – 100% remote, EU-based, fully compliant.

Alexandre Plavinski – Senior Freelance Cloud Architect (.NET, Azure, Remote EU)

Technologies & Focus Areas

Cloud & DevOps

  • Azure, AWS

  • Kubernetes (AKS, EKS), Docker

  • Terraform, Terragrunt, Helm

  • Azure DevOps, GitHub Actions KeyVault, App Services, Azure Storage, MSAL, Entra ID

  • OpenTelemetry, AppInsights, Prometheus, Grafana

Architecture & Design

  • Cloud-Architekturen (Azure, AWS)

  • Clean Architecture, Domain-Driven Design (DDD), Event-Driven Architectures

  • API-Governance, OAuth2, OIDC, RBAC

  • Sparx Enterprise Architect (UML, BPMN, SysML)

  • SOLID, Design Patterns

Machine Learning & Data

  • Python, Azure ML, TensorFlow LiteOpenCV,

  • ML-Modelle via CI/CD, ML-Integration in Web- & Cloud-Anwendungen

Full-Stack Development

  • .NET Core, C#, Entity Framework

  • Angular, Nx, NgRX, RxJS, Blazor

  • Tailwind, Angular Material, DevExtreme, Bootstrap

  • REST APIs, Messaging, WebSockets, gRPC, SignalR

  • MS SQL, PostgreSQL, Oracle, MongoDB

System Integration & Interfaces

  • RabbitMQ, MQTT, EventBus, Web-Streaming

  • SOAP, REST, gRPC, API-Gateways,

  • OAuth2, OIdc

Embedded & IoT (optional)

  • C++, Qt/QML, Yocto Linux

  • WebRTC, GStreamer, BLE

  • STM32, NXP i.MX8

  • Embedded Middleware, Edge-Architekturen

 Services

  • Cloud Architecture & Platform Design

Design and implementation of scalable Azure systems focused on security, modularity, and multi-tenancy

  • Full-Stack Development (.NET / Angular)

Component-based UI architectures, testable REST APIs, clean layered backends, and consistent typing

  • Infrastructure as Code & CI/CD Automation

Design and operation of deployment pipelines using Terraform, Helm, Azure DevOps & GitHub Actions

  • API Design & System Integration

Interface architecture with OAuth2, Entra ID, messaging patterns, SOAP integration, and web streaming

  • Project Enablement & Handover

Clear documentation, handover processes, developer onboarding, and support through to production delivery

Selected projects

Microfrontend Platform for Real Estate Valuation (Germany, 2024–2025)

Angular, .NET Core, RxJS, NgRX, RabbitMQ, Azure DevOps

  • Refactoring, microservice orchestration, performance tuning, messaging layer

Noticeable backend acceleration, simplified third-party integration, scalable architecture

Cloud Migration for Financial Platform (Germany/Luxembourg, 2022–2024)

Azure, .NET Core, Angular, Terraform, Blazor, MSAL, Kubernetes

  • Architecture design for cloud migration, centralized authentication (MSAL/Entra ID), modular components, CI/CD via Terraform

Standardized infrastructure, ~50 % faster development, multiple applications successfully deployed

Smart Communication System for Embedded & Mobile Devices (USA, 2021–2022)

 C++, Qt/QML, Yocto Linux, .NET, WebRTC, GStreamer, BLE, Azure, AWS

  • End-to-end architecture, HMI design, video communication, ML integration, CI/CD across device classes

MVP delivered in 6 months, stable edge platform for video- and ML-enabled communication

API Portal for Insurance Integration (Middle East, 2020–2021)

.NET Core, Angular, REST, Oracle, OAuth2, Azure API Management

  • API architecture, role-based access, interface integration, admin UI

Live production for external partners, secure multi-tenant management, API documentation for internal teams

Virtual Branch for Staffless Banking (Middle East, 2016–2018)

.NET Core, Angular, REST, SOAP, Embedded Linux, WebRTC, EMV

  • Architecture for self-service banking, hardware integration (card readers, scanners), remote advisory via video

3 pilot branches live, real-time account opening & biometric ID verification, platform basis for regional rollout

Contract information

  • Legal entity: Binary Migration OÜ (Estonia)  

  • Status: Tax-neutral, legally compliant for Germany  

  • Setup: 100% remote | DE/AT/CH ready  

  • Availability: Immediately or by arrangement  

  • Rate: Upon request, based on scope & duration  

alexandre.plavinski@binarymigration.io

+372 636 0835

Need more than freelance support?

If you're looking for a fully working MVP in just 4 weeks – including architecture, development, testing, and CI/CD – I also offer a structured product delivery called FastMVP™.

FastMVP™ is implemented by me directly and, when needed, supported by a trusted EU-based senior team. Perfect for startups, innovation units, and platform pilots.

Learn more on the homepage

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