Open to roles in Berlin · EU Work Rights

Karthikeyan Devadoss

Senior Software Engineer → AI Integration & Delivery Specialist

10+ years building enterprise backend systems at scale. Last 2 years leading AI integration, agentic workflows, and Copilot delivery on NRG Energy's digital transformation programme in Berlin.

10+

Years Engineering

Years AI Delivery

3M+

Users Impacted

AI Use Cases Delivered

Azure OpenAI

GPT-4o

LangChain

Agents

RAG Pipelines

pgvector

MS Copilot

M365

Java

Spring Boot

Power Automate

AI Builder

About Me

From Java Backend to AI Integration

A career built on engineering fundamentals — now focused on delivering AI at enterprise scale

2024 – Present · Berlin

AI Integration & Delivery Lead

NRG Energy / Direct Energy · Tekdoors Inc

Leading AI adoption and delivery — Microsoft Copilot rollout, Azure AI Foundry pipelines, use case governance, GDPR compliance across a 3M-customer energy platform.

AI Delivery · Azure OpenAI · Agentic Workflows

2023 – 2024 · Berlin

Senior Technical Coordinator

NRG Energy / Direct Energy · Tekdoors Inc

Technical coordination on customer portal rebuild. Copilot pilots, Power Automate automation, bridging engineering and business teams across Berlin and offshore India.

Power Automate · MS Copilot · Azure DevOps

2019 – 2023 · Chicago → Berlin

Senior Java Developer & Scrum Master

BlueCross BlueShield · Tekdoors Inc

HL7 FHIR API development across 36 US Blue Plans. Led 12-person cross-functional squad. Built backend services processing clinical data at national scale.

Java · Spring Boot · HL7 FHIR · Agile

2015 – 2019 · Chicago / Phoenix

Java Backend Developer

Northern Trust Bank · Marsh Technologies

Enterprise Java development on treasury services and broker platforms. REST APIs, microservices, offshore team coordination.

Java · REST APIs · Microservices · SQL

Live AI Tools

Try My AI Tools

Built & deployed by Karthikeyan · Powered by Claude API · Each tool demonstrates a real enterprise AI use case

[DOC]

AI Document Analyser

Paste any document text — contracts, specs, reports. Ask questions in plain English and get accurate answers grounded in the document.

[REQ]

Requirements Extractor

Paste any requirements document. The agent extracts functional requirements, system components, risks, and open questions — structured and ready to use.

[IDEA]

AI Use Case Generator

Describe your company, industry, and challenges. Get 5 prioritised AI use cases with effort/impact scoring and a quick implementation roadmap.

[NOTE]

Meeting Notes Summariser

Paste raw meeting notes — however messy. Get a structured summary with decisions made, action items, owners, and deadlines. Copilot-style output.

[OPT]

Prompt Optimiser

Paste any weak or vague prompt. Get an enterprise-grade rewrite with system prompt, few-shot examples, and explanation of every improvement made.

[FLOW]

AI Workflow Designer

Describe a business process. Get a complete agentic workflow design — steps, tools, decision points, human-in-the-loop gates, and GDPR considerations.

[GDPR]

AI Governance Checker

Describe an AI use case. Get a GDPR compliance assessment, data privacy risk score, human-in-the-loop recommendations, and EU AI Act classification.

[ROI]

AI ROI Calculator

Describe your team, tasks, and AI tool. Get a detailed ROI analysis with time savings, cost reduction, payback period — like the NRG Copilot rollout.

[AI]

AI Readiness Assessor

Describe your organisation's data, processes, and team. Get an AI readiness score with a prioritised action plan to start or accelerate your AI journey.

💬 Every tool maps to a real interview question

Document Analyser → "Tell me about a RAG pipeline you delivered" · Requirements Extractor → "How do you use agents for document processing?" · Governance Checker → "How do you handle GDPR in AI systems?" · ROI Calculator → "How do you measure AI project success?" · Workflow Designer → "How would you design an agentic workflow?"

Projects

Case Studies & Delivered Work

Real enterprise AI delivery · NRG Energy · BlueCross BlueShield

Microsoft Copilot Rollout — Energy Sector

NRG Energy / Direct Energy · Berlin · 2024

Delivered

Led end-to-end delivery of Microsoft Copilot adoption across a cross-functional squad of 18 people. Designed the use case framework, ran identification workshops, managed GDPR compliance review for each use case, and built the Power BI dashboard tracking adoption metrics weekly for IT leadership.

Outcome: 6 hours/week saved per team member · 4 use cases in production · Full GDPR sign-off achieved · Monthly governance cadence established

MS CopilotPower AutomateAzure AI FoundryGDPRPower BIChange Management

Document Intelligence Pipeline — Requirements Processing

NRG Digital Transformation · Berlin · 2024–2025

Delivered

Coordinated delivery of a RAG-based document intelligence pipeline processing energy platform requirements documents and system specifications. Owned use case definition, testing strategy, stakeholder adoption, and governance. Worked with Azure team on AI Foundry deployment and prompt flow configuration.

Outcome: Requirements analysis time reduced by 40% · 3 document types in production · Human-in-the-loop review process designed and implemented

RAGpgvectorAzure OpenAIPrompt FlowDocument IntelligenceAI Testing

AI Governance Framework & Use Case Pipeline

NRG Energy · Berlin · 2025

Case Study

Built and chaired the AI use case governance process across the NRG programme. Designed the prioritisation framework (effort vs impact scoring), ran monthly AI governance committee with IT, Legal, GDPR, and Business stakeholders. Managed a pipeline of 12 approved use cases from ideation to production.

Outcome: 12 use cases approved · 4 in production · GDPR-compliant data handling framework established

AI GovernanceEU AI ActGDPRStakeholder ManagementROI MeasurementPower BI

Blog

Articles & Insights

Practical AI delivery from the enterprise trenches

AI Delivery

How Microsoft Copilot Actually Changed Our Team's Delivery Speed

What really happened when we rolled out Copilot to 18 people — the wins, the resistance, the GDPR hurdles, and what I'd do differently.

6 min read · May 2025

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AI Strategy

5 AI Use Cases That Actually Delivered ROI in an Enterprise Programme

Not the use cases people talk about at conferences. The ones that actually shipped, got adopted, and saved real hours at NRG Energy.

5 min read · March 2025

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AI Governance

What Nobody Tells You About Running AI Projects — GDPR, Hallucination & Change

The three things that slow every enterprise AI project down — and how we handled them on a 3M-customer platform in Germany.

7 min read · January 2025

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