Profile
LLM engineer with 14 years ML/NLP experience and 3 years specializing in production language model systems.
Expert in LLM workflows, safety guardrails, prompt engineering, and scaling generative AI infrastructure.
Strong functional programming background (Clojure, Elixir, Rust) with production Python, Java, and R experience.
MSc Computational Linguistics, BSc Nuclear Physics.
Experience
Co-Founder & Technical Lead
Fintilligence
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Remote
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2024-08 – 2024-12 (5 months)
founder
Built fintech analytics platform for detecting asymmetric information flow using PIN/VPIN market microstructure measures.
Architecture
- Built full-stack fintech analytics platform for detecting asymmetric information flow in financial markets
- Implemented PIN/VPIN (Probability of Informed Trading/Volume-Synchronized PIN) measures for market microstructure analysis
Engineering
- Designed and deployed data acquisition pipelines processing Level 2 market data (order book, bid-ask spreads, trade flow)
- Managed PostgreSQL database architecture for high-frequency trade and quote data storage
- Built investment advisory system highlighting potential information asymmetries and trading opportunities
Leadership
- Coordinated small team (3 people) across research, development, and UI design
Languages:Python • Frameworks:Flask, pandas • Databases:PostgreSQL • Infrastructure:AWS EC2, AWS S3
CTO (Contract)
LevEhat NGO
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Remote
•
2024-03 – 2024-07 (5 months)
contract
Led technical operations for civic tech nonprofit, managing cloud migration and platform development.
Leadership
- Led technical operations for civic tech nonprofit focused on volunteer coordination
- Coordinated UI designers and developers (team of 5) for volunteer management platform
- Established development priorities and technical roadmap for platform evolution
Engineering
- Managed migration from Google Cloud Platform to AWS infrastructure (cost optimization)
- Oversaw database architecture for volunteer tracking, task assignment, and activity logging
Languages:Python • Databases:PostgreSQL • Infrastructure:AWS EC2, AWS S3 • Note: managed frontend team, didn't write React code
AI Architect (Contract)
Stamina AI
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Remote
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2023-01 – 2023-12 (12 months)
contract
Architected and deployed one of the early therapeutic chatbot systems for mental health support using OpenAI GPT-3.5/4.
Architecture
- Architected and deployed one of the early therapeutic chatbot systems for mental health support
- Built complete LLM pipeline: prompt engineering, context management, response generation, safety guardrails
- Designed conversation state management and session handling for therapeutic context
Engineering
- Integrated OpenAI GPT-3.5/4 APIs with custom safety layers and content filtering
- Set up production infrastructure: API gateway, load balancing, monitoring, logging
- Implemented usage analytics and conversation quality monitoring dashboards
Leadership
- Coordinated with consulting psychotherapists to ensure clinical appropriateness of responses
- Managed small dev team (2-3 developers) implementing mobile and web interfaces
Languages:Python • Frameworks:Flask • Databases:PostgreSQL, Redis • Infrastructure:AWS, Docker, Kubernetes • AI/ML:OpenAI API, GPT-3.5, GPT-4
Independent Consultant
Various Clients
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Remote
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2022-01 – 2023-01 (13 months)
consulting
ML and data consulting for various clients.
Consulting
- ML and data consulting for various clients: model development, pipeline architecture, statistical analysis
- Projects included: time-series forecasting, text classification, data pipeline optimization
Languages:Python • Note: Tech stack varied by client
Senior Researcher
Spring Research
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Remote
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2020-01 – 2021-12 (24 months)
full-time
ML models for trading signal generation using Level 2 market data and topology-inspired approaches.
Research
- Developed ML models for trading signal generation using time-series analysis and statistical methods
- Researched topology-inspired approaches to market microstructure modeling
Engineering
- Built data pipelines processing Level 2 market data (tick-by-tick, order book, market depth)
- Implemented backtesting infrastructure for strategy evaluation
- Collaborated with quantitative research team on experimental high-frequency strategies
Languages:Python • Frameworks:pandas, numpy, scikit-learn • Databases:PostgreSQL • Infrastructure:AWS
Data Scientist
Nestlogic
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Remote
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2019-01 – 2019-12 (12 months)
full-time
Computer vision models for advertising optimization, A/B testing infrastructure, production ML deployment.
Engineering
- Built computer vision models for advertising creative optimization (image feature extraction)
- Implemented A/B testing infrastructure using statistical hypothesis testing (t-tests, chi-square)
- Deployed ML models to production on Google Cloud Platform with Kubernetes
- Developed analytics dashboards tracking model performance and business KPIs
Languages:Python • Frameworks:PyTorch, OpenCV • Databases:PostgreSQL • Infrastructure:GCP, Kubernetes
Data Scientist
Maverick Medical AI
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Remote
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2018-01 – 2018-12 (12 months)
full-time
Medical NLP system for clinical entity recognition, ontology frameworks, HIPAA-compliant data handling.
Engineering
- Developed NLP system for medical named entity recognition in clinical text using spaCy and BiLSTM
- Built medical ontology framework for standardizing terminology across different hospital systems
- Created decision support tools for clinical workflows highlighting critical findings
- Worked within HIPAA compliance requirements for healthcare data
Languages:Python, R • Frameworks:spaCy, PyTorch, Flask • Databases:PostgreSQL
Full-Stack Engineer
Athena Portfolio Solutions
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Remote
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2017-01 – 2017-12 (12 months)
full-time
Full-stack financial NLP platform extracting signals from news and SEC filings using knowledge graphs.
Engineering
- Built full-stack financial NLP platform extracting signals from news and SEC filings
- Developed Java backend services for data processing and entity recognition
- Implemented entity linking system connecting market events to portfolio positions
- Built sentiment analysis models for earnings calls and analyst reports
- Created knowledge graph of financial entities (companies, people, events, relationships)
Languages:Java, Python, R • Frameworks:spaCy, NLTK, scikit-learn • Databases:Neo4j
Technical Tutor (Intermittent)
Private Practice
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Remote
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2017-01 – Present
intermittent
Mathematics, statistics, programming, and computational linguistics tutoring.
Education
- Mathematics, statistics, programming, and computational linguistics tutoring
- Students: high school through graduate level, plus professional colleagues
- Peak activity during 2020 pandemic period
Education
MSc Computational Linguistics
Russian State University for the Humanities (RSUH)
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Moscow, Russia
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2016
Statistical NLP, Machine Translation, Information Extraction
BSc Nuclear Physics
Czech Technical University
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Prague, Czech Republic
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2011
Mathematical Modeling, Statistical Analysis, Computational Physics
Technical Skills
LLM Engineering
3 years production LLM systems (2023-present)
APIs & Models: OpenAI API (GPT-3.5/4), Anthropic Claude
Workflows: Prompt engineering and optimization, RAG (Retrieval Augmented Generation) pipelines, Context window management, Token optimization, Streaming responses
Safety & Guardrails: Safety guardrails and content filtering, Output validation and moderation, Adversarial prompt detection, PII scrubbing
Infrastructure: Production LLM deployment, Latency optimization, Cost management, Usage monitoring and analytics, Error handling and fallbacks
Specializations: Therapeutic/healthcare chatbots, Conversational AI, Fine-tuning workflows, Evaluation frameworks
Core Languages
Elixir
2+ years, proficient — Recent production experience, concurrent systems, functional programming, OTP patterns
Rust
2+ years, proficient — Recent production experience, performance-critical systems, systems programming
Clojure
10+ years, expert — Primary language for data science workflows, Jupyter integration, JVM interop, functional data processing
Python
10+ years, expert — ML/AI production, pandas, numpy, scikit-learn, PyTorch, TensorFlow, Keras, spaCy, NLTK, Hugging Face Transformers
SQL
8+ years, advanced — Complex queries, query optimization, database design
ML/AI Frameworks & Tools
PyTorch
TensorFlow
Keras
scikit-learn
XGBoost
LightGBM
CatBoost
spaCy
NLTK
Hugging Face Transformers
OpenCV
PIL
Cloud & Infrastructure
AWS EC2
AWS S3
AWS SageMaker
AWS Lambda
GCP GCE
GCP GCS
GCP GKE
Docker
Kubernetes
Databases
PostgreSQL
MySQL
SQLite
MongoDB
Redis
Neo4j
PostgreSQL (expert level)
Domain Expertise
Llm Production
(Stamina AI, 1 year (2023))
Therapeutic chatbot for mental health • Safety systems and guardrails • Prompt engineering workflows • RAG pipeline implementation • Production LLM deployment
Quantitative Finance
(Fintilligence, Spring Research, 2+ years)
Level 2 market data processing • PIN/VPIN algorithm implementation • Order flow analysis • Market microstructure modeling • Backtesting infrastructure
Healthcare Ai
(Maverick Medical AI, 1 year (2018))
Medical named entity recognition • Clinical terminology standardization • HIPAA-compliant systems • Decision support tools
Financial Nlp
(Athena Portfolio Solutions, 1 year (2017))
SEC filings extraction • Knowledge graph construction • Entity linking systems • Sentiment analysis for earnings calls
Languages
Russian
(native)
English
(fluent)
French
(conversational)
German
(conversational)
Czech
(conversational)
Hebrew
(basic)