Sofia
Sekar

Lead Full-Stack .NET & AI Automation Engineer

11+ years building enterprise-grade systems · 3 years specialising in AI/ML, LLM orchestration & intelligent automation at scale.

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11+Years Experience
50K+Users Served
4Enterprise Sectors
6–8Team Size Led
01 / About

Who I Am

Results-driven Lead Full-Stack .NET & AI Automation Engineer with 11+ years of experience, including 3 years specialising in AI/ML automation, LLM orchestration, and intelligent workflow integration at enterprise scale.

Expert in building enterprise-grade systems that are reliable, secure, maintainable, and deeply observable — with strong TypeScript and Python backend development skills alongside C# and .NET, and confident delivering React and Angular frontends.

Proven track record of leading engineering teams of 6–8 across high-availability SaaS platforms serving 10,000–50,000+ users, with measurable impact on cloud costs, production stability, and operational efficiency.

Compliance-aware across FCA, GDPR, and GxP-regulated environments. Enthusiastically adopts AI developer tooling (GitHub Copilot, Cursor, Claude Code) to accelerate team velocity and code quality.

TÜV SÜD · Tesco · West Pharma · Bank of America
London, UK
MSc AI & ML — University of Bath (In Progress)
FCA · GDPR · GxP / 21 CFR Part 11
SS

Sofia Sekar

Lead AI & .NET Engineer

Azure OpenAI LangChain RAG .NET Core React Kubernetes
GitHub Email
02 / Skills

Core Technical Skills

AI / ML & LLM

LangChainAzure OpenAI GPT-4RAG Pipelines LLM OrchestrationHugging FacePyTorch TensorFlowscikit-learnMLflow Autonomous AI AgentsNLPAnomaly Detection

Languages & Frameworks

C#PythonTypeScriptJavaScript ASP.NET Core.NET 6/7/8React.js AngularNext.jsFastAPI Node.jsBlazor

Azure & Cloud

AKSAzure OpenAIApp Services Azure MLService BusDevOps Application InsightsData Factory Cognitive ServicesKey VaultAPI Management

AWS

EC2LambdaS3EKS DynamoDBSQSSNS API GatewayCloudWatchCloudFormation CognitoFargate

Architecture & DevOps

MicroservicesKubernetesDocker TerraformKafkaEvent-Driven GitOps / ArgoCDCI/CDAzure Bicep RedisgRPCGraphQL

Security & Compliance

OWASP Top 10OAuth2.0OpenID Connect JWT / MFARBACGDPR FCAGxP / 21 CFR Part 11SSL/TLS Penetration Testing
03 / Experience

Professional Experience

Lead Full-Stack .NET & AI Automation Engineer

TÜV SÜD — London, UK

Mar 2024 – Present

Enterprise Certification & Compliance Portal · 50,000+ Global Users · Team of 6

  • Led team of 6 to architect and deliver enterprise certification, safety inspection, and compliance portals on .NET Core, Blazor & Telerik UI serving 50,000+ users globally.
  • Built 2 autonomous AI agents (LangChain + Azure OpenAI GPT-4) — eliminating ~30% of manual review effort and accelerating certification turnaround.
  • Deployed RAG pipelines integrating Azure Cognitive Search with GPT-4 for context-aware regulatory Q&A over internal knowledge bases.
  • Built ML anomaly detection pipelines (TensorFlow, PyTorch) — reducing MTTD for production incidents by ~40%.
  • Implemented full IaC (Terraform, Azure Bicep) with GitOps via ArgoCD, AKS deployments with 99.9% SLA across compliance-critical services.
ASP.NET CoreBlazorReact.jsTypeScript LangChainAzure OpenAIAKSTerraformKafka

Lead Full-Stack .NET & AI Automation Engineer

Enjoy Development Trust (Tesco Group) — London, UK

Nov 2023 – Feb 2025

Enterprise Workforce & Customer Operations Platform · 10,000+ Users · 4 Live Portals · Team of 8

  • Led 8 engineers to deliver a high-availability AI-augmented multi-portal platform for Tesco's workforce planning, shift tracking, and customer support.
  • Deployed 2 AI automation agents for ML-driven workforce scheduling — reducing manual scheduling effort across multi-site retail environments.
  • Reduced initial bundle size and time-to-interactive by ~35% via Angular lazy loading and OnPush change detection.
  • Resolved critical P1/P2 production incidents — eliminated recurring memory leaks and significantly improved stability for 10,000+ users.
ASP.NET CoreAngularTypeScriptRxJS NgRxRedisAzure Service BusMemgraph

Lead .NET Full-Stack Developer

West Pharmaceutical Services — UK

Jul 2022 – Oct 2023

Cross-Platform SAP OData Integration App · GxP / 21 CFR Part 11 · Pharmaceutical

  • Designed and built a .NET MAUI cross-platform app for SAP integration across iOS, Android & Windows — GxP-compliant with full audit trail capability.
  • Integrated Azure Cognitive Services for QA defect detection — achieving 90%+ defect classification accuracy via a Python FastAPI inference service on AKS.
  • Deployed predictive Azure ML supply chain replenishment model improving procurement planning signals.
.NET MAUIPythonFastAPIAzure Cognitive Services Azure MLSAP ODataPower BIAKS

Senior .NET Full-Stack Developer

Bank of America — Chennai, India

Jul 2020 – Jun 2022

Finance Module Web Application · FCA-Aware · GDPR-Compliant · SOX-Ready

  • Delivered a modular ASP.NET MVC banking platform covering financial transaction processing, multi-currency reporting, and regulatory compliance.
  • Architected AWS SQS-based event-driven service layer with Dead Letter Queue — ensuring zero message loss for high-value financial event streams.
  • Enforced OWASP security standards; built Selenium/NUnit E2E regression framework.
ASP.NET MVCC#AngularJSAWS SQS Azure AADPower BISSISOracle

.NET Full-Stack Developer

S3 Group Limited & Mercedes-Benz R&D India

Jun 2014 – Jun 2020
  • 6 years across automotive R&D (Mercedes-Benz) and enterprise web development — delivering ASP.NET applications, AWS event-driven architectures, SSIS/SSRS reporting, and production support across multiple sectors.
ASP.NETC#SQL ServerAWS SNS/SQS SSISPower BIWCF
04 / Projects

Featured Projects

Featured

LexRAG — Legal Document AI

RAG-powered legal assistant for law firms. Upload contracts, case files & statutes — get cited Q&A, AI risk detection for HIGH/MEDIUM/LOW contract clauses, and side-by-side document comparison.

PythonStreamlitChromaDB Sentence TransformersHugging FaceRAG
Featured

Data Analysis Agent

AI-powered data analysis tool — upload any CSV/Excel and instantly get statistical summaries, auto-generated charts (bar, line, pie, heatmap), AI insights, natural language Q&A, and a downloadable PDF report.

PythonStreamlitPandas MatplotlibSeabornFPDF2Qwen2.5

Autonomous Compliance Agents

Multi-agent orchestration using LangChain AgentExecutor at TÜV SÜD — automated compliance document validation, semantic log interpretation & predictive inspector scheduling. Eliminated ~30% of manual review effort.

LangChainAzure OpenAIGPT-4FastAPIAzure Functions

Pharmaceutical QA Defect Detector

Azure Cognitive Services ML pipeline for automated QA inspection image classification at West Pharma — 90%+ defect detection accuracy. Deployed as containerised Docker image on AKS with auto-scaling.

PythonFastAPIAzure Cognitive ServicesAKS.NET MAUI

ML Anomaly Detection Pipeline

Real-time anomaly detection in inspection audit logs using TensorFlow & PyTorch, integrated with Azure Service Bus & Kafka Streams. Reduced MTTD for production incidents by ~40% at TÜV SÜD.

TensorFlowPyTorchKafkaAzure Service BusMLflow

API Latency Optimisation

Reduced API response latency from 8–12 seconds to sub-200ms through async/await refactoring, output caching, Redis-backed response caching layers, and N+1 query elimination across enterprise SaaS platforms.

ASP.NET CoreRedisSQL ServerApplication Insights
View All on GitHub
05 / Education

Education

In Progress

MSc Artificial Intelligence & Machine Learning

University of Bath, UK

Expected March 2027

Advanced studies in AI/ML theory, deep learning, NLP, and enterprise AI applications — directly applied in current production systems.

Completed

BEng Computer Science

Anna University, Chennai, India

June 2010 – May 2014

Foundation in software engineering, algorithms, data structures, and systems design — basis for 11+ years of enterprise engineering.

06 / Classes

AI Classes & Workshops

Live online sessions on AI, LLMs & AI-powered coding — taught by a practising engineer. Beginners welcome.

Beginner 20 seats

Intro to AI & Large Language Models

How ChatGPT & Claude actually work, prompt engineering basics, and your first AI experiment — no coding required.

Sat 19 Apr 2026 10:00 – 12:00 BST Online · Zoom
Intermediate 15 seats

Build Your First AI App with Python

Hands-on workshop: build a real working chatbot app using LangChain and the OpenAI API from scratch in 3 hours.

Sat 26 Apr 2026 11:00 – 14:00 BST Online · Zoom
All Levels 25 seats

AI-Powered Coding with Claude & Cursor

Supercharge your dev workflow using Claude Code and Cursor AI — patterns, prompts & techniques used by professional engineers daily.

Sat 3 May 2026 10:00 – 12:30 BST Online · Zoom
07 / Contact

Get In Touch

Whether you're looking for a Lead AI Engineer, want to discuss a project, or just want to connect — my inbox is always open.

Emaildonsofia@gmail.com
GitHubgithub.com/SofeeSekar
LocationLondon, UK