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Benjamin M.

Benjamin M.

Senior Developer | APIs, Microservices, AI Integrations

🎓 Master’s in Systems Architecture 💻 10+ years building production backend systems in .NET 🤖 AI integrations in C#/.NET: MCP, RAG, LLM agents, voice AI 🏥 Domains: medtech, e-commerce, AI products 🚀 Experience across enterprise (€1B+) and high-growth startups 👥 Led engineering teams of up to 20 developers I’m a Senior .NET Engineer building AI-powered backend systems. With 10+ years in production .NET, from €1B+ enterprises to unicorn startups , I focus on embedding AI directly into existing platforms. AI & LLM Integration - MCP servers connecting AI to your tools, APIs, and data - RAG pipelines: ingestion, embeddings, vector search - OpenAI, Azure OpenAI, Semantic Kernel integrations - Agentic workflows: tool-calling, reasoning, automation - Voice AI: real-time STT → LLM → TTS, webhooks, CRM sync Backend Engineering - Scalable APIs: .NET 8+, ASP.NET Core, REST, gRPC - Microservices: Docker, Kubernetes, Kafka, RabbitMQ, Redis - Observability: App Insights, Serilog, Prometheus, Grafana - Legacy modernization with clean architecture & testing - Performance: caching, async, background jobs Most AI engineers work in Python. I build natively in C#/.NET, so AI integrates directly into your stack. Need MCP, RAG, voice AI, or all three in production? Let’s talk.

🇮🇪Dublin, Ireland$50/hr100% JSS5.00 (2)Since Mar 2026
GlobeUpwork

Earnings and projects

MRR
$214

Last 6 months ÷ 6

World#110,988 / 412k
🇮🇪Country#193 / 844
Revenue, last 30 days
$0

Last 6 months: $1.3k

Total earnings
$1.9k

Billed in all: $1.9k

World#340,338 / 412k
🇮🇪Country#681 / 844
Per project
$930

$1.3k in the last 6 months

World#129,493 / 412k
🇮🇪Country#234 / 844
Projects, last 6 months
1
100% fixed0% hourly
World#128,095 / 412k
🇮🇪Country#224 / 844
Projects in all
2
50% fixed50% hourly
World#328,889 / 412k
🇮🇪Country#659 / 844

Earnings, last 30 days

$1.9kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$1,880$1,900$1,920$1,940Oct 9Oct 24Nov 8

Skill rankings: Top 21% in C#

Ranked by MRR among everyone on Upwork with the skill.

  1. #91.NET Stack276 freelancers · 🇮🇪 #1Top 33%
  2. #494Architecture1,368 freelancers · 🇮🇪 #1Top 36%
  3. #810Database3,249 freelancers · 🇮🇪 #2Top 25%
  4. #1,038DevOps4,403 freelancers · 🇮🇪 #3Top 24%
  5. #1,779C#8,348 freelancers · 🇮🇪 #3Top 21%
  6. #1,918AI App Development4,708 freelancers · 🇮🇪 #5Top 41%
  7. #8,074Python31,606 freelancers · 🇮🇪 #16Top 26%
  8. #9,461JavaScript41,428 freelancers · 🇮🇪 #13Top 23%