Senior .NET Engineer, Lead Developer and Software Architect
Aktualisiert am 07.05.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 18.05.2026
Verfügbar zu: 100%
davon vor Ort: 5%
C#
SQL
Cloud
ASP.NET Core
REST APIs
PostgreSQL
MS SQL Server
Windows Presentation Foundation
Microservices
Google Cloud
Azure
AWS

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

1 year 6 months
2024-12 - now

Omnichannel Platform

Senior .NET Engineer
Senior .NET Engineer
  • Re-platformed a legacy monolith into a cloud-native microservices architecture on AWS, replacing the LBE system that powered consumer engagement across Switzerland.
  • Designed and built .NET 8 microservices running on AWS ECS (Docker) with Fargate and gRPC for inter-service communication.
  • Implemented PostgreSQL persistence (AWS RDS), Redis distributed caching (ElastiCache), and DynamoDB for audit trails; integrated SNS, SES, and SQS for SMS, email, and async messaging.
  • Built observability with OpenTelemetry feeding AWS OpenSearch for distributed tracing, log analytics, and service health monitoring.
  • Provisioned infrastructure with Terraform (IaC) and managed secrets via AWS Secrets Manager, enabling repeatable environments across dev, staging, and prod.
  • Contributed to architectural decisions on service boundaries, idempotency, and resiliency patterns (retries, circuit breakers, dead-letter queues).
Philip Morris International
Switzerland
2 years 2 months
2022-11 - 2024-12

REST APIs for IQOS digital portfolio

Senior .NET Engineer
Senior .NET Engineer
  • Developed the backend across multiple consumer-facing platforms: TryIQOS, TestIQOS, IQOS Partner, IQOS Club, and SalesExpert.
  • Refactored legacy ASP.NET code toward a future-proof design with clean separation of concerns, dependency injection, and testable service layers.
  • Improved API performance by introducing caching strategies, query optimization on SQL Server, and cross-cutting concerns (logging, validation, authorization) implemented as reusable middleware.
  • Implemented SSO with external systems
  • Reviewed pull requests and mentored mid-level engineers on .NET best practices and API design.
Philip Morris International
Switzerland
1 year 7 months
2021-03 - 2022-09

MyCompany business insurance platform

Senior .NET Engineer
Senior .NET Engineer
  • Built backend Web APIs in ASP.NET Core for a B2B insurance product targeting SMEs (up to 250 employees), enabling agents to generate offers and policies in real time.
  • Designed the product configuration model in Oracle 11g, balancing flexibility (insurance product variants) with performance for offer generation.
  • Worked closely with the Angular frontend team to define API contracts and shipped iteratively in two-week sprints.
Allianz Insurance
1 year 10 months
2019-06 - 2021-03

Digital Onboarding platform ? GCP-based hiring automation

Senior Software Engineer & Cloud Architect
Senior Software Engineer & Cloud Architect

  • Architected and built a cloud-native onboarding platform on Google Cloud Platform that automated the full new-hire journey: candidate intake, contract generation, BankID digital signing, and equipment selection.
  • Designed an event-driven architecture using Cloud Pub/Sub, with services running on Cloud Run and App Engine Flexible, and document storage in Google Drive and Cloud Storage.
  • Built ASP.NET Core Web APIs as the backend and a React portal as the candidate-facing experience.
  • Integrated Jira Service Desk as the workflow engine for HR processes, exposing it through a clean abstraction so the underlying tool could be swapped later.

Computas AS
1 year 6 months
2019-03 - 2020-08

Google Cloud demos and proof-of-concepts

Senior .NET Engineer
Senior .NET Engineer

Google Cloud demos and proof-of-concepts (presented at Google events)

  • CEZ wind power prediction PoC: built an ML pipeline using GCP AutoML Tables to forecast windmill power output from weather data; orchestrated daily prediction runs with Cloud Scheduler and App Engine.
  • 911 emergency video-call demo: backend built on .NET Core with a Twilio-powered mobile site and an Electron desktop client.
  • Demos featuring Speech-to-Text, Vision API, and Video Intelligence API ? used by Google to showcase GCP capabilities at partner events.
Computas Development Center
11 months
2018-01 - 2018-11

MPBL / Militærpolitiet ? case-handling system

Senior Software Engineer
Senior Software Engineer

  • Built the backend in .NET Core and Entity Framework Core for a case-management system handling disciplinary, criminal, and investigation cases.
  • Reviewed code from teammates and helped enforce coding standards across the codebase.

Norwegian Military Police
1 year
2016-06 - 2017-05

UCMS ? Governance, Risk & Compliance platform on Microsoft Azure

Senior Software Engineer
Senior Software Engineer

  • Developed Web API features in ASP.NET MVC / Web API on top of SQL Server 2012 and Entity Framework 6 for a multi-tenant GRC platform serving regulated industries (oil & gas, banking, healthcare).
  • Worked across Azure App Services, SQL elastic pools, Storage, and Application Insights to keep the multi-tenant SaaS running smoothly.
  • Extended the platform with FS Quality, a hospital-focused module for document management and continuous regulatory conformance (Sykehuspartner).

Computas Development Center

Aus- und Weiterbildung

Aus- und Weiterbildung

2007 - 2009

Computerized Project Management

MSc

Bucharest Academy of Economic Studies, Cybernetics Faculty


2002 - 2007

Computer Science

BEng

University Politehnica of Bucharest, Faculty of Automatic Control and Computer Science


Certifications

  • Google Cloud - Professional Cloud Architect
  • Microsoft - Azure Solutions Architect Expert
  • Microsoft - Azure Developer Associate
  • Microsoft - Universal Windows Platform, SharePoint 2010, Silverlight 4, ASP.NET

Position

Position

Senior .NET / Full stack Software Engineer

Kompetenzen

Kompetenzen

Top-Skills

C# SQL Cloud ASP.NET Core REST APIs PostgreSQL MS SQL Server Windows Presentation Foundation Microservices Google Cloud Azure AWS

Produkte / Standards / Erfahrungen / Methoden

Profile

Senior Software Engineer with 20 years of hands-on experience building scalable backend systems, REST APIs, and cloud-native microservices using C# and .NET. Deep expertise across Google Cloud Platform (GCP), AWS, and Microsoft Azure, with a track record of migrating monoliths to microservices, designing event-driven architectures, and shipping production systems for insurance, banking, telecom, and consumer goods (Philip Morris International). Strong on software architecture, performance tuning, and clean code. Certified Google Cloud Architect and Azure Solutions Architect Expert. Comfortable leading technical decisions, mentoring developers, and collaborating across distributed teams.


CORE SKILLS & TECHNOLOGIES

Backend & APIs

  • ASP.NET Core
  • REST APIs
  • gRPC
  • Microservices
  • Entity Framework Core
  • Microsoft Orleans
  • Web API
  • OpenAPI / Swagger


Cloud (GCP)

  • Google Cloud Run
  • App Engine
  • Cloud Functions
  • Cloud Pub/Sub
  • Cloud Storage
  • Cloud Scheduler
  • AutoML
  • Vision API
  • Speech-to-Text


Cloud (AWS)

  • ECS
  • RDS (PostgreSQL)
  • DynamoDB
  • SNS
  • SQS
  • SES
  • ElastiCache (Redis)
  • OpenSearch
  • Secrets Manager
  • CloudWatch


Cloud (Azure)

  • App Service
  • SQL Database
  • Application Insights
  • Storage
  • Functions


DevOps & IaC

  • Docker
  • Terraform
  • CI/CD
  • Git
  • GitHub Actions
  • OpenTelemetry
  • distributed tracing


Architecture

  • Microservices
  • Event-Driven Architecture
  • Domain-Driven Design (DDD)
  • Clean Architecture
  • CQRS
  • SOLID


Frontend

  • Blazor
  • Angular
  • React
  • WPF


Methodologies

  • Agile / Scrum
  • Code Review
  • TDD
  • Pair Programming

Programmiersprachen

C#
.NET 8 / .NET Core
SQL
JavaScript
Python
learning

Datenbanken

PostgreSQL
MS SQL Server
Redis
DynamoDB
Pub/Sub
SQS

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

1 year 6 months
2024-12 - now

Omnichannel Platform

Senior .NET Engineer
Senior .NET Engineer
  • Re-platformed a legacy monolith into a cloud-native microservices architecture on AWS, replacing the LBE system that powered consumer engagement across Switzerland.
  • Designed and built .NET 8 microservices running on AWS ECS (Docker) with Fargate and gRPC for inter-service communication.
  • Implemented PostgreSQL persistence (AWS RDS), Redis distributed caching (ElastiCache), and DynamoDB for audit trails; integrated SNS, SES, and SQS for SMS, email, and async messaging.
  • Built observability with OpenTelemetry feeding AWS OpenSearch for distributed tracing, log analytics, and service health monitoring.
  • Provisioned infrastructure with Terraform (IaC) and managed secrets via AWS Secrets Manager, enabling repeatable environments across dev, staging, and prod.
  • Contributed to architectural decisions on service boundaries, idempotency, and resiliency patterns (retries, circuit breakers, dead-letter queues).
Philip Morris International
Switzerland
2 years 2 months
2022-11 - 2024-12

REST APIs for IQOS digital portfolio

Senior .NET Engineer
Senior .NET Engineer
  • Developed the backend across multiple consumer-facing platforms: TryIQOS, TestIQOS, IQOS Partner, IQOS Club, and SalesExpert.
  • Refactored legacy ASP.NET code toward a future-proof design with clean separation of concerns, dependency injection, and testable service layers.
  • Improved API performance by introducing caching strategies, query optimization on SQL Server, and cross-cutting concerns (logging, validation, authorization) implemented as reusable middleware.
  • Implemented SSO with external systems
  • Reviewed pull requests and mentored mid-level engineers on .NET best practices and API design.
Philip Morris International
Switzerland
1 year 7 months
2021-03 - 2022-09

MyCompany business insurance platform

Senior .NET Engineer
Senior .NET Engineer
  • Built backend Web APIs in ASP.NET Core for a B2B insurance product targeting SMEs (up to 250 employees), enabling agents to generate offers and policies in real time.
  • Designed the product configuration model in Oracle 11g, balancing flexibility (insurance product variants) with performance for offer generation.
  • Worked closely with the Angular frontend team to define API contracts and shipped iteratively in two-week sprints.
Allianz Insurance
1 year 10 months
2019-06 - 2021-03

Digital Onboarding platform ? GCP-based hiring automation

Senior Software Engineer & Cloud Architect
Senior Software Engineer & Cloud Architect

  • Architected and built a cloud-native onboarding platform on Google Cloud Platform that automated the full new-hire journey: candidate intake, contract generation, BankID digital signing, and equipment selection.
  • Designed an event-driven architecture using Cloud Pub/Sub, with services running on Cloud Run and App Engine Flexible, and document storage in Google Drive and Cloud Storage.
  • Built ASP.NET Core Web APIs as the backend and a React portal as the candidate-facing experience.
  • Integrated Jira Service Desk as the workflow engine for HR processes, exposing it through a clean abstraction so the underlying tool could be swapped later.

Computas AS
1 year 6 months
2019-03 - 2020-08

Google Cloud demos and proof-of-concepts

Senior .NET Engineer
Senior .NET Engineer

Google Cloud demos and proof-of-concepts (presented at Google events)

  • CEZ wind power prediction PoC: built an ML pipeline using GCP AutoML Tables to forecast windmill power output from weather data; orchestrated daily prediction runs with Cloud Scheduler and App Engine.
  • 911 emergency video-call demo: backend built on .NET Core with a Twilio-powered mobile site and an Electron desktop client.
  • Demos featuring Speech-to-Text, Vision API, and Video Intelligence API ? used by Google to showcase GCP capabilities at partner events.
Computas Development Center
11 months
2018-01 - 2018-11

MPBL / Militærpolitiet ? case-handling system

Senior Software Engineer
Senior Software Engineer

  • Built the backend in .NET Core and Entity Framework Core for a case-management system handling disciplinary, criminal, and investigation cases.
  • Reviewed code from teammates and helped enforce coding standards across the codebase.

Norwegian Military Police
1 year
2016-06 - 2017-05

UCMS ? Governance, Risk & Compliance platform on Microsoft Azure

Senior Software Engineer
Senior Software Engineer

  • Developed Web API features in ASP.NET MVC / Web API on top of SQL Server 2012 and Entity Framework 6 for a multi-tenant GRC platform serving regulated industries (oil & gas, banking, healthcare).
  • Worked across Azure App Services, SQL elastic pools, Storage, and Application Insights to keep the multi-tenant SaaS running smoothly.
  • Extended the platform with FS Quality, a hospital-focused module for document management and continuous regulatory conformance (Sykehuspartner).

Computas Development Center

Aus- und Weiterbildung

Aus- und Weiterbildung

2007 - 2009

Computerized Project Management

MSc

Bucharest Academy of Economic Studies, Cybernetics Faculty


2002 - 2007

Computer Science

BEng

University Politehnica of Bucharest, Faculty of Automatic Control and Computer Science


Certifications

  • Google Cloud - Professional Cloud Architect
  • Microsoft - Azure Solutions Architect Expert
  • Microsoft - Azure Developer Associate
  • Microsoft - Universal Windows Platform, SharePoint 2010, Silverlight 4, ASP.NET

Position

Position

Senior .NET / Full stack Software Engineer

Kompetenzen

Kompetenzen

Top-Skills

C# SQL Cloud ASP.NET Core REST APIs PostgreSQL MS SQL Server Windows Presentation Foundation Microservices Google Cloud Azure AWS

Produkte / Standards / Erfahrungen / Methoden

Profile

Senior Software Engineer with 20 years of hands-on experience building scalable backend systems, REST APIs, and cloud-native microservices using C# and .NET. Deep expertise across Google Cloud Platform (GCP), AWS, and Microsoft Azure, with a track record of migrating monoliths to microservices, designing event-driven architectures, and shipping production systems for insurance, banking, telecom, and consumer goods (Philip Morris International). Strong on software architecture, performance tuning, and clean code. Certified Google Cloud Architect and Azure Solutions Architect Expert. Comfortable leading technical decisions, mentoring developers, and collaborating across distributed teams.


CORE SKILLS & TECHNOLOGIES

Backend & APIs

  • ASP.NET Core
  • REST APIs
  • gRPC
  • Microservices
  • Entity Framework Core
  • Microsoft Orleans
  • Web API
  • OpenAPI / Swagger


Cloud (GCP)

  • Google Cloud Run
  • App Engine
  • Cloud Functions
  • Cloud Pub/Sub
  • Cloud Storage
  • Cloud Scheduler
  • AutoML
  • Vision API
  • Speech-to-Text


Cloud (AWS)

  • ECS
  • RDS (PostgreSQL)
  • DynamoDB
  • SNS
  • SQS
  • SES
  • ElastiCache (Redis)
  • OpenSearch
  • Secrets Manager
  • CloudWatch


Cloud (Azure)

  • App Service
  • SQL Database
  • Application Insights
  • Storage
  • Functions


DevOps & IaC

  • Docker
  • Terraform
  • CI/CD
  • Git
  • GitHub Actions
  • OpenTelemetry
  • distributed tracing


Architecture

  • Microservices
  • Event-Driven Architecture
  • Domain-Driven Design (DDD)
  • Clean Architecture
  • CQRS
  • SOLID


Frontend

  • Blazor
  • Angular
  • React
  • WPF


Methodologies

  • Agile / Scrum
  • Code Review
  • TDD
  • Pair Programming

Programmiersprachen

C#
.NET 8 / .NET Core
SQL
JavaScript
Python
learning

Datenbanken

PostgreSQL
MS SQL Server
Redis
DynamoDB
Pub/Sub
SQS

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