Available to hire
I am a multidisciplinary AI Engineer with over 10 years of experience designing and deploying end-to-end AI and cloud-based solutions across various industries. I specialize in Language Models, knowledge graphs, and Retrieval-Augmented Generation workflows to deliver explainable AI and impactful production-ready solutions. I thrive in Agile environments and enjoy fostering collaboration within cross-functional teams to drive AI transformations.
My expertise includes building scalable data pipelines, integrating unstructured data, and developing advanced AI-powered solutions for sectors like government, biotech, telecommunications, and energy. I enjoy rapid prototyping and innovating with the latest ML frameworks and cloud technologies to solve complex problems and boost operational efficiency.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Language
Afar
Advanced
Javanese
Advanced
Work Experience
Lead AI Engineer, Danfoss AI at Frankly S/A | DATAMOMENTUM ltd (synergy)
July 31, 2025 - July 21, 2025Led a team of 7 members building a multi-agent Danfoss internal LLM for company-wide use. Developed agentic solutions using Langchain parsing 5 million PDFs with Multimodal LLMs and OpenCV. Migrated millions of products to Aurora and Dynamo DB to analyze competition pricing. Developed a KAG solution improving semantic interpretation success by 65%. Utilized A2A framework for agent communication generating diverse media outputs. Engineered advanced agentic AI solutions for Kedrion BioPharma, enabling autonomous protein targeting and resulting in 50% reduction in discovery time. Delivered AI-powered behavioral analytics with >90% accuracy in real-time event crowd analysis.
Senior AI Engineer, MOD (Joint Warfare) at Oxford Dynamics ltd | DATAMOMENTUM ltd (synergy)
November 30, 2024 - July 21, 2025Led a 7-member team collecting and structuring large BBC news data to support real-time MOD decisions with a Chatbot. Developed GraphRAG system integrating graph knowledge and LLMs for enhanced information retrieval. Implemented community detection algorithms to optimize knowledge graph organization. Engineered custom query engines leveraging LLM summaries for context-aware responses. Created a triplet extraction system for dynamic knowledge graph enrichment. Built scalable architecture combining Neo4j, NetworkX, and custom Python for seamless graph-NLP integration. Enabled autonomous agent communication with zero hallucinations providing 100% retrieval traceability. Utilized random walk simulations to predict graph evolution and hidden links.
Senior AI Engineer, Predictive modelling (Borders) at 6point6 ltd | Part of Accenture
August 31, 2024 - July 21, 2025Led a team of six in structuring and analyzing large datasets to identify high-risk individuals entering the UK. Designed optimized data pipelines with PySpark and SQL. Used Neo4j for entity profiling and relationship mapping. Applied advanced NLP techniques to social media for risk detection including sentiment analysis, topic modeling, and entity recognition. Developed and tuned XGBoost models improving classification and reducing false positives.
Senior AI Engineer, AI World Event Detector (Ministry of Defence) at 6point6 ltd | Part of Accenture
May 31, 2024 - July 21, 2025Hired and led a 7-member team delivering an AI system scanning web news for early event detection. Re-architected to use DGraph database for relationship mapping with Graph Embeddings. Implemented Kafka streaming feeding PySpark ML K Means clustering for real-time narrative formation. Utilized FAISS vector DB for embeddings powering RAG solution and LLMs for summarization. Deployed Influx time series DB for financial data anomaly detection. Built a custom simulation environment predicting conflict probabilities in real time.
Senior AI Engineer, Bid Bot at 6point6 ltd | Part of Accenture
November 30, 2023 - July 21, 2025Led an 8-member team to develop AI-driven automated bidding processes using natural language processing. Split project phases into data extraction, training, fine tuning, and deployment using Agile. Created customized data pipelines for LLM pre-training on unique datasets improving inference performance by 15-20%. Generated semantic embeddings powering RAG solutions. Fine-tuned LLMs for summarization and built training data from unstructured documents enabling hundreds of accurate bids daily. Developed model evaluation suites to measure hallucination, toxicity, bias, and ethics. Created synthetic data for improved training accuracy.
Senior Data Engineer, MBTP Government at 6point6 ltd
September 30, 2023 - July 21, 2025Led a 5-member team transforming border data infrastructure enhancing security and efficiency. Built the Metadata Engine integrating Open Lineage and Marquez for full column lineage. Presented proprietary AI tools to CTOs advocating LLM training in air-gapped environments. Automated diagram archiving from Confluence with parallel processing. Employed advanced NLP for complex queries democratizing data insights. Delivered significant reductions in delivery times while ensuring data security and monitoring.
Senior Data Engineer, Equinor Plc at 6point6 ltd
February 28, 2023 - July 21, 2025Led a 9-member data team building a knowledge graph data platform for the largest wind farm worldwide. Utilized Azure Cosmos DB with Gremlin API to represent turbine data. Developed Python FastAPI endpoints allowing stakeholders direct data access. Containerized monitoring system using Docker, Grafana, and Prometheus for multi-terabyte API performance. Processed SCADA and AIS signals for real-time health insights and maintenance optimization doubling farm lifespan and revenue. Practiced pair programming and Agile methodologies using GitHub and Azure tickets.
Senior Data Engineer, NowPensions Plc (Goldman Sachs) at 6point6 ltd
June 30, 2022 - July 21, 2025Led implementation of data pipelines landing zones to structured data for a pension fund team of 25. Designed end-to-end pipelines with AWS Lambda, Step Functions, and SWF. Ensured smooth data flow to databases. Implemented Lambda functions for early anomaly detection. Managed risk for client investment fluctuations. Calculated costs and optimized resource allocation achieving 20% faster incident response.
Data Warehouse specialist at BT Plc
September 30, 2023 - July 21, 2025Implemented ETL and ELT processes consolidating telecom data sources using Python and SQL. Led full scale migrations from Oracle EDW to AWS, GCP and between clouds. Developed hybrid APIs for self-service data transfer. Built data ingestion pipelines using Terraform, Airflow, and Cloud Composer. Deployed CI/CD pipelines with Python (Pandas, Dask) and BigQuery for cleaning preparing data for ML and visualization. Managed Agile workflows with Jira and collaborated through GitLab and GitHub. Created marketing reports with Python visualization libraries.
Senior Data Engineer at Address Intelligence Ltd (AI)
March 31, 2019 - July 21, 2025Created large data pools scraping petabytes using Selenium, requests and Tor for anonymity. Implemented automated ETL processes using MySQL and Elasticsearch endpoint databases. Leveraged OCR (Tesseract) and CNNs for accelerated document processing of 2 million+ pieces. Developed Flask APIs for internal and external data sharing, generating reports and visualizations to validate data integrity in testing.
Senior Data Scientist/ Performance Manager at Inmarsat Plc
June 30, 2018 - July 21, 2025Led ETL and ML script development in a 7-member aerospace team. Implemented unsupervised algorithms to optimize sync and status engines. Led satellite data collection for real-time global aircraft tracking, boosting sales 20%. Developed KPIs and satellite network monitoring tools with monthly performance reports. Performed geo-spatial analysis optimizing satellite connectivity and bandwidth. Created Python APIs for real-time data delivery and automated reporting through web scraping. Managed agile programming and JIRA workload.
Data Analyst at Telefonica Plc – Movement Strategies Ltd
April 30, 2017 - July 21, 2025Analyzed O2 mobile data for UK highways and transport using PostgreSQL and machine learning to derive KPIs. Ran ETL processes on big data in AWS Hadoop clusters. Deployed Raspberry Pi Wi-Fi sniffers for data collection analyzed with Python and Wireshark. Used Wi-Fi data for real-time monitoring and train service optimization. Configured Hadoop servers and managed NoSQL databases storing unstructured mobile data. Applied computer vision for traffic and parking spot detection improving delivery times by 50%. Conducted sentiment analysis using Twitter data to validate IoT devices.
Financial Analyst at Citrox ltd
September 30, 2014 - July 21, 2025Managed foreign exchange reserves and hedged currency fluctuations using options and CFDs. Analyzed data for business expansion in East Asia. Assisted in annual planning and coordinated cash and investment transactions. Handled invoicing and letters of credit.
Lead AI Engineer, Danfoss AI at Frankly S/A | DATAMOMENTUM ltd (synergy)
July 31, 2025 - July 21, 2025Led a team of 7 to build a multi-agent Danfoss internal LLM. Developed an agentic solution parsing 5 million PDFs with Multimodal LLMs and OpenCV. Migrated millions of products to new databases to analyze competitor pricing. Developed a KAG solution improving semantic layer interpretation by 65%. Utilized A2A framework for seamless agent communication. Enabled rapid POC completion under 24 hours. Delivered autonomous protein structure targeting AI for Kedrion BioPharma with 50% reduction in discovery time. Built advanced behavioral analytics with YOLO v11 for real-time event crowd detection with >90% accuracy.
Senior AI Engineer, MOD (Joint Warfare) at Oxford Dynamics ltd | DATAMOMENTUM ltd (synergy)
November 30, 2024 - July 21, 2025Led 7 members to collect and structure BBC monitoring news data for MOD chatbot decision support. Developed agentic GraphRAG LLM system integrating graph knowledge with advanced community detection algorithms. Designed custom query engine with context-aware LLM summaries. Created triplet extraction system to enrich knowledge graph dynamically. Delivered scalable architecture combining Neo4j, NetworkX, and NLP. Achieved 0 hallucinations with 100% retrieval traceability. Applied random walk simulations to predict evolving graph nodes and hidden links.
Senior AI Engineer, Predictive modelling (Borders) at 6point6 ltd | Part of Accenture
August 31, 2024 - July 21, 2025Led a team of six to structure and analyze large datasets to identify high-risk individuals entering the UK. Designed optimized data pipelines using PySpark and SQL. Conducted entity profiling with Neo4j to map risk patterns. Leveraged NLP for social media risk detection including sentiment analysis and entity recognition. Developed and tuned XGBoost predictive models for classification, improving accuracy and reducing false positives.
Senior AI Engineer, AI World Event Detector (Ministry of Defence) at 6point6 ltd | Part of Accenture
May 31, 2024 - July 21, 2025Hired and led a 7-member team to develop an AI system detecting real-time world events by scanning news clusters. Designed a DGraph-based system for agent relationships with graph embeddings. Implemented Kafka streaming with PySpark ML K-Means for real-time narrative clustering. Utilized FAISS vector DB to power RAG solutions, developed LLM summarization for news and RAG output. Maintained time series financial anomaly detection with Influx DB. Created customizable simulations predicting conflict outcomes in real-time.
Senior AI Engineer, Bid Bot at 6point6 ltd | Part of Accenture
November 30, 2023 - July 21, 2025Led an 8-member team to develop a natural language processing-based AI bidding assistant. Implemented data pipelines for unique language model pre-training improving inference by 15-20%. Generated semantic embeddings and fine-tuned LLMs for summarization. Created structured high-quality training data enabling hundreds of bids per day with enhanced accuracy. Developed custom evaluation suites to monitor hallucination, toxicity, and bias aligned with ethical AI best practices. Produced synthetic data for fine tuning and training improvements.
Senior Data Engineer, MBTP Government at 6point6 ltd
September 30, 2023 - July 21, 2025Revamped border data infrastructure leading a team of 5 architects and engineers. Presented proprietary AI and LLM tools to CTO-level clients in secure, air-gapped environments. Developed automated diagram architecture using Mermaid charts with parallel processing. Integrated AI NLP libraries to democratize data analysis with ensured security and throughput. Built metadata workflow engine with Open Lineage and Marquez for E2E lineage, root cause analysis, and quality monitoring.
Senior Data Engineer, Equinor Plc at 6point6 ltd
February 28, 2023 - July 21, 2025Built knowledge graph data platform for world's largest wind farm leading a 9-member data team. Used Cosmos DB with Gremlin API to model individual turbines and feed data to ML optimization algorithms. Developed FastAPI-based solution enabling stakeholders to self-access data. Implemented Docker, Grafana, and Prometheus for API monitoring serving terabytes of data daily. Processed SCADA signals from millions of devices delivering real-time health and energy insights. Employed Kafka-fed ML to optimize maintenance scheduling, doubling wind farm lifespan.
Senior Data Engineer, NowPensions Plc (Goldman Sachs) at 6point6 ltd
June 30, 2022 - July 21, 2025Led implementation of data lifecycle pipelines for pension fund company. Built landing zones to structured data using AWS Lambda, Step Functions, and SWF. Implemented Lambda functions for early anomaly detection and managed risks related to client investments. Performed cost prediction for AWS tools and optimized resource allocation leading to 20% faster incident response via proactive risk handling.
Data Warehouse Specialist at BT Plc
September 30, 2023 - July 21, 2025Implemented ETL and ELT for telecom data consolidating scattered sources into single truth. Led large-scale migrations between Oracle EDW and cloud platforms AWS and GCP. Developed hybrid APIs for self-service data transfer eliminating delivery time delays. Created pipelines ingesting data to GCS and BigQuery with Terraform and Airflow automation. Deployed CI/CD pipelines and cleaned data for ML and Tableau use. Managed Agile workflow using Jira and GitHub/GitLab collaboration tools.
Senior Data Engineer at Address Intelligence Ltd (AI)
March 31, 2019 - July 21, 2025Created vast data pools scraping petabytes using Selenium, Requests, and anonymity methods. Automated full-scale ETL with MySQL and Elasticsearch, maintaining matching engines for structured/unstructured data. Employed OCR and CNN for rapid processing of 2 million+ document images. Developed Flask APIs and visualisation reports ensuring data integrity during testing phases.
Senior Data Scientist/Performance Manager at Inmarsat Plc
June 30, 2018 - July 21, 2025Led ETL and ML scripts for aerospace division ensuring inflight internet connectivity. Collected satellite airborne data globally enabling real-time tracking and passenger engagement boosting revenue by 20%. Developed KPIs and network monitoring tools for airline performance alerts and monthly stats. Conducted geo-spatial route analysis optimizing bandwidth and storage with warehouse monitoring. Automated Python APIs and reports with agile JIRA-managed development.
Data Analyst at Telefonica Plc – Movement Strategies Ltd
April 30, 2017 - July 21, 2025Analyzed UK mobile data for transport applications using PostgreSQL and ML. Ran ETL on big data with Hadoop/Hbase supporting AWS warehouses. Deployed Raspberry Pi as Wi-Fi sniffers for passenger footfall and risk reduction. Utilized Wireshark and Python scripts to analyze and serve transport planners. Implemented Hadoop for NoSQL data warehousing. Designed computer vision solutions with OpenCV for crowd and traffic analytics. Conducted Twitter sentiment analysis to validate IoT devices.
Financial Analyst at Citrox ltd
September 30, 2014 - July 21, 2025Managed foreign exchange reserves and hedging strategies using options and CFDs. Analyzed market expansion opportunities in East Asia. Prepared annual plans and managed cash and investment transactions. Issued invoices and letters of credit in a team of 4 members.
Education
BSc at Kapodestrian University of Athens
January 1, 2000 - December 31, 2004MSc at University of Essex
January 1, 2005 - December 31, 2006BSc at Kapodestrian University of Athens
January 1, 2007 - December 31, 2011MSc at University of Essex
January 1, 2011 - December 31, 2012Qualifications
Industry Experience
Government, Energy & Utilities, Financial Services, Telecommunications, Transportation & Logistics, Professional Services, Manufacturing, Life Sciences, Software & Internet
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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