Available to hire
Senior full-stack engineer with 20+ years on the Microsoft stack (C#/.NET through .NET 8, ASP.NET Core, Blazor, Angular, React). Currently focused on AI/LLM evaluation at Toloka (including Microsoft Copilot), and previously built energy-market data ETL pipelines (.NET, Python, Prefect, Snowflake) and production GenAI/LLM delivery (Azure OpenAI, GPT-4o, RAG) for enterprise clients.
Industry specialist across energy and banking, delivering compliant high-reliability systems with strong cloud-native, data, and engineering leadership. Experienced in end-to-end delivery—backend and data pipelines, modern frontends, CI/CD, and measurable evaluation of model quality, safety, and agent performance.
Experience Level
Expert
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Intermediate
Language
English
Fluent
German
Advanced
French
Beginner
Work Experience
AI & LLM Developer (Evaluation & Human Data) at Toloka AI
February 1, 2026 - PresentFreelance AI/LLM evaluation across the LLM lifecycle: model evaluation & benchmarking (correctness, factuality, groundedness, safety, helpfulness), LLM-as-a-judge and rubric-based human evaluation. Evaluated Microsoft Copilot outputs using evaluation logs and response trajectories, surfacing failure patterns and regressions.
Performed agent-trajectory analysis for multi-step reasoning and tool/function calling (including MCP replicas), labeling step-by-step correctness and pinpointing drift/loops/misuse. Produced/curated RLHF/DPO and SFT/instruction-tuning datasets with quality control and inter-annotator agreement. Built human-in-the-loop annotation workflows at scale and executed safety red teaming for prompt injection, jailbreaks, and policy compliance. Automated scoring/metric aggregation and reporting in Python, using Hugging Face and OpenAI/Azure OpenAI/Anthropic APIs, with experiment tracking in Weights & Biases/MLflow.
Senior Data Engineer & .NET Developer at EnBW Energie Baden-Württemberg AG
November 1, 2025 - January 1, 2026Built and operated energy-market data ETL pipelines ingesting and transforming power/gas market data from 20+ external providers and exchanges (EPEX SPOT, Nord Pool), landing curated datasets into Snowflake.
Designed scheduled .NET worker/console jobs (C#, .NET 8) with retry/backoff, idempotency, and watermarking for safe reruns and correct reconciliation of late-arriving data. Implemented a parallel Python/Prefect extraction track for productionized, monitored workflows from notebook prototypes. Modeled Snowflake with staging/curated/consumption layers and tuned loads (clustering/SQL transformations) for performance and cost.
Deployed and operated extraction services on Azure Service Fabric for resilient scheduling and self-healing behavior. Instrumented end-to-end data freshness monitoring with Datadog (metrics, logs, dashboards, alerts). Implemented data validation, reconciliation, and completeness checks, documented lineage and on-call runbooks, and integrated TSO/grid data with
Full-Stack & AI Developer at BASF SE
September 1, 2024 - October 1, 2025Built internal AI-assisted tools used daily by hundreds of users across backend microservices, an AI/LLM integration layer, and a Blazor/Angular UI. Implemented a Retrieval-Augmented Generation service in C# wrapping Azure OpenAI (GPT-4o), exposing a Web API for knowledge-base querying and cutting average knowledge-search time by ~40%.
Engineered prompt templates, function-calling schemas, token-usage controls, and NLP preprocessing so product owners could add document sources without code changes. Implemented ASP.NET Core microservices with clean architecture and async/await, with xUnit/NUnit/Moq tests and quality gates via SonarQube.
Built Blazor components for admin workflows and reusable Angular modules for end-user chat. Led migration from on-prem Windows-hosted applications to GitHub Enterprise Cloud by rewriting Azure Pipelines as GitHub Actions, containerizing with Docker, and shipping through Azure DevOps and Kubernetes. Shared GitHub Copilot agent-mode workflows with the te
Fullstack Developer at BASF
September 1, 2024 - November 5, 2025Developed full-stack solutions using .NET 8, Blazor, Angular; AI/ML integration with Azure OpenAI; designed RESTful services, CQRS, IoC, and CI/CD pipelines; deployed to Azure and AWS; implemented testing and code quality.
Lead Developer / AI Developer / Data Engineer at RWE SUPPLY AND TRADING / RWE POWER AG
August 1, 2024 - August 1, 2024Designed market data/ETL software on .NET platform, multi-tenant architecture, service mesh, and Domain-Driven Design; built Gen‑AI/LLM solutions with OpenAI, ML/Deep Learning; implemented data streaming with Kafka/RabbitMQ; deployed via Terraform/Kubernetes.
Senior C# / Cloud / AI Developer at RWE Supply & Trading / RWE Power AG
March 1, 2022 - July 1, 2024Worked on energy-trading and market-data platforms for multi-tenant SaaS used by trading desks, covering real-time market-data ingestion, ETL, risk/reporting, and AI-assisted capabilities.
Designed/support ASP.NET Core 6+ backend with multi-tenant patterns, Domain-Driven Design, and Linkerd service mesh; introduced bounded contexts for independent team iteration. Built systems for Commercial Asset Optimization & Trading IT by integrating generation asset scheduling/dispatch optimization signals with position/PnL and market-data feeds.
Consumed and reconciled TSO/grid data (ENTSO-E and German TSOs) alongside EPEX SPOT/Nord Pool feeds to enable grid-aware decisions. Deployed GenAI features using OpenAI/GPT APIs and Azure Cognitive Services, including natural-language Q&A over historical curves with citation-backed answers and ML workflow productionization via MLflow, Kubeflow, and Azure Machine Learning.
Implemented high-throughput ETL/data integration using REST/SOAP/XML/CSV into SQL
Software Developer, Azure Expert at Synchron Watches USA
March 1, 2022 - March 1, 2022Developed backend Web APIs and microservices in .NET Core and Node.js; integrated with Azure Service Bus, AWS SQS and multiple message brokers; built SPA frontends with Angular/TypeScript; implemented API versioning and BDD.
Full-Stack Developer at PDI SOFTWARE USA
February 1, 2022 - February 1, 2022Full-stack development with .NET Core and React/Angular; implemented CQRS, IoC, and event sourcing; deployed on AKS/EKS; data caching and event sourcing; cloud pipelines with Azure DevOps; MS Dynamics 365 integration.
Full-Stack Developer (Intern) at BNP PARIBAS CARDIFF
March 1, 2020 - March 1, 2020Intern role: modernized internal ASP.NET Core project; integrated Active Directory, Elastic Search, and SQL Server; upgraded legacy systems; produced customer-ready deliverables.
Independent Software Consultant (Freelance) at PDI Software / Synchron Watches
January 1, 2020 - February 28, 2022Works across concurrent remote contracts for US companies building .NET Core microservices and Angular/React frontends with Azure/AWS infrastructure, adding ML/AI use cases where needed. For PDI: delivers ASP.NET Core features (CQRS/IoC), builds offline-capable handheld/scanner software with conflict resolution and Dynamics 365 integration, and trains/deploys models via Azure ML and AWS SageMaker/Kubeflow with Scikit-learn (e.g., receipt recognition). For Synchron: ships Dockerized .NET Core microservices on Azure AKS with DDD/Event Sourcing and APIs, builds Angular repair-service product (NgRx), integrates with Dynamics 365 CRM and Service Bus/SQS workflows, prototypes Azure OpenAI helpers for triage and repair-time estimation, and hardens the platform using OAuth/JWT and Azure Key Vault with automated testing and CI/CD.
Independent Software Consultant (Freelance) at PDI Software / Synchron Watches (remote)
January 1, 2020 - February 1, 2022Concurrent remote contracts across .NET Core microservices, Angular/React front-ends, and Azure/AWS infrastructure with ML/AI use cases.
PDI Software (fuel/convenience retail back-office): built end-to-end features on ASP.NET Core with CQRS/IoC and Angular/React UIs, plus offline handheld scanner software with caching and conflict resolution; integrated with Microsoft Dynamics 365.
PDI ML & cloud ops: trained/deployed models via Azure ML, AWS SageMaker, Kubeflow, and scikit-learn; ran services on AKS/EKS with Azure Cosmos DB, Azure SQL, AWS RDS/S3, Azure Monitor and Application Insights.
Synchron Watches (e-commerce/repair & CRM): shipped Dockerized .NET Core microservices on Azure AKS using DDD and event sourcing, built Angular/NgRx repair product, integrated with Dynamics 365 and Azure Service Bus/AWS SQS. Prototyped Azure OpenAI helpers for customer message triage and repair-time estimation, secured platform with JWT/OAuth2/SAML and Azure Key Vault, and ensured quality with NUnit
Full-Stack Developer (Freelance) at BNP Paribas Cardif
June 1, 2019 - February 29, 2020Builds and modernizes a regulated internal ASP.NET MVC Core platform used across banking/insurance branches. Integrates with Active Directory for authentication and role-based authorization and applies secure handling for sensitive customer/policy data in line with GDPR/audit requirements. Plans incremental modernization from legacy to ASP.NET MVC Core to avoid disrupting regulated business operations.
Full-Stack .NET Developer at BNP Paribas Cardif
June 1, 2019 - February 1, 2020Built and supported a regulated internal ASP.NET MVC Core platform for banking/insurance use across multiple countries. Integrated authentication with Active Directory and implemented role-based permission management with GDPR-compliant handling of sensitive customer/policy data.
Modernized a legacy stack to ASP.NET MVC Core via incremental migration steps to avoid business/regulated-process interruptions. Received a formal letter of satisfaction at engagement end.
Team Leader / Full-Stack Developer at ITPM, VIENNA
May 1, 2019 - May 1, 2019Led team on ASP.NET Core/Web API and Angular projects; Azure Logging and application monitoring; automotive industry projects; built internal CMS and web/mobile apps.
Full-Stack Developer (Team Project) at ITPM
March 1, 2018 - April 1, 2019Built sales and CMS products for automotive and entertainment clients.
Implemented a sales-oriented Web API for Jaguar/Land Rover projects on ASP.NET/C# with SQL Server (SSRS reporting) and Elasticsearch for fast lookups. Built an Angular Progressive Web App CMS with offline-friendly editorial workflows and reusable components.
Team Leader, Backend Developer at IFACTORY INTERNET SERVICES GMBH, VIENNA
March 1, 2018 - March 1, 2018Managed microservices with Docker/Kubernetes; backend in C#.NET; integrated Strapi, Salesforce, Abas ERP; mobile apps (Xamarin); Docker-based deployments.
Team Leader & Backend Developer at iFactory Internet Services GmbH
October 1, 2017 - February 1, 2018Led a small backend/mobile team while staying hands-on, delivering an end-to-end management platform for an e-commerce client and customer-facing mobile apps.
Designed and implemented order/catalog/fulfilment/returns management with Strapi (headless CMS), Salesforce, Abas ERP/Abas Connect, and JasperReports. Decomposed a monolithic service/repair workflow into Dockerized microservices deployed on Kubernetes; introduced Jenkins-based CI/CD with Terraform-managed infrastructure.
Full-Stack Developer at PRIME IT GMBH, VIENNA
October 1, 2017 - October 1, 2017Web design and large-scale online shop Regionalis; HTML5/CSS3 responsive design; TYPO3 integration.
Full-Stack Developer at BMW – IT COMPANY (EDENTITY), VIENNA
October 1, 2017 - October 1, 2017Developed e-commerce management software using ASP.NET MVC5, LINQ; jQuery-based frontends; contributed to system architecture.
Full-Stack Developer at BMW (eDentity)
June 1, 2017 - September 1, 2017Short engagement contributing to an internal e-commerce management application for an automotive client. Implemented core management features on ASP.NET MVC 5 with LINQ (backend) and jQuery (front-end).
Developer, Team Leader, IT Manager at AKAN CO SAPD
May 1, 2017 - May 1, 2017Web/mobile government software; VB->C# migration; ASP.NET web services; SEO and portal development; team leadership.
Developer, Team Leader & IT Manager at AKAN Co.
February 1, 2008 - May 1, 2017Grew from developer to team leader and IT manager over nearly a decade, building large web platforms and running a hosting/digital-services business.
Led development/operations of MORE Housing, a nationwide government platform for the Ministry of Housing and Urban Development (ASP.NET MVC/Web Forms, C#.NET, SQL Server/Oracle). Managed and mentored the development team, shipped responsive sites/portals/Web APIs/CMSs, and ran 2,500+ Windows hosting sites recognized by ~20 government organizations for service and support.
Full-Stack Developer at DORNA NETWORK & ISP COMPANY
February 1, 2008 - February 1, 2008Online advertising and marketing software; security improvements; Windows Server/IIS/DNS; hosting management; bot automation.
Education
Mining Engineering (Analysis) at Shahrood University
September 1, 2004 - June 1, 2009Specialty: Exceptional Talents at NODET COLLEGE
January 11, 2030 - November 5, 2025Microsoft Programming and Web Development (HTML & ASP.NET) at VISTA TECHNOLOGY
March 1, 2013 - August 1, 2015Exceptional Talents at NODET HIGH SCHOOL
January 11, 2030 - November 5, 2025BSc, Mining Engineering (Analysis) at Shahrood University of Technology
September 1, 2004 - June 1, 2009Exceptional Talents — College Preparatory & High School at NODET (National Organization for Development of Exceptional Talents)
September 1, 2000 - September 1, 2004.NET programming and Microsoft certification track (Microsoft Programming & Web Development) at Vista Technology
March 1, 2013 - August 1, 2015BSc, Mining Engineering (Analysis) at Shahrood University of Technology
September 1, 2004 - June 1, 2009Exceptional Talents — College Preparatory & High School at NODET (National Organization for Development of Exceptional Talents)
September 1, 2000 - September 1, 2004Microsoft Programming & Web Development (certification track) at Vista Technology
March 1, 2013 - August 1, 2015Qualifications
Microsoft Certified Solution Expert (MCSE): Server Infrastructure
January 11, 2030 - November 5, 2025Microsoft Certified Solution Associate (MCSA): Windows Server 2012
January 11, 2030 - November 5, 2025Microsoft Specialist: Programming in C#
January 11, 2030 - November 5, 2025Microsoft Specialist: Programming in HTML5 with JavaScript and CSS3
January 11, 2030 - November 5, 2025Microsoft Certified Professional
January 11, 2030 - November 5, 2025Microsoft Azure: Developer Associate (AZ-204)
January 11, 2030 - July 16, 2026Microsoft Azure Fundamentals (AZ-900)
January 11, 2030 - July 16, 2026Azure Microservices
January 11, 2030 - July 16, 2026Azure Security
January 11, 2030 - July 16, 2026Azure Data Engineering & Storage
January 11, 2030 - July 16, 2026Azure SQL (DP-900)
January 11, 2030 - July 16, 2026AWS — Containerized Applications
January 11, 2030 - July 16, 2026Microsoft Specialist — Programming in C#
January 11, 2030 - July 16, 2026.NET (2024)
January 11, 2030 - July 16, 2026Professional Scrum Master
January 11, 2030 - July 16, 2026Scrum I–III
January 11, 2030 - July 16, 2026Microsoft Azure: Developer Associate (AZ-204)
January 11, 2030 - July 21, 2026Microsoft Azure Fundamentals (AZ-900)
January 11, 2030 - July 21, 2026Azure Microservices
January 11, 2030 - July 21, 2026Azure Security
January 11, 2030 - July 21, 2026Azure Data Engineering & Storage
January 11, 2030 - July 21, 2026Azure SQL (DP-900)
January 11, 2030 - July 21, 2026AWS — Containerized Applications
January 11, 2030 - July 21, 2026Microsoft Specialist — Programming in C#
January 11, 2030 - July 21, 2026.NET (2024)
January 11, 2030 - July 21, 2026Angular
January 11, 2030 - July 21, 2026Agile: Professional Scrum Master
January 11, 2030 - July 21, 2026Scrum I – III
January 11, 2030 - July 21, 2026Industry Experience
Software & Internet, Professional Services, Media & Entertainment, Energy & Utilities, Financial Services, Government, Computers & Electronics
Experience Level
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