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AI engineer who builds reliable LLM platforms

I design and run production-ready LLM services with clear SLOs, MLflow registries, and cost controls. 12+ years of production discipline applied to AI platforms.

Easelect LTD·12+ years production systems·Personal R&D lab

Proof Pack

Evidence of reliable LLM systems in production with measurable outcomes

MLflow Lifecycle

Model versioning with automated rollback capabilities and A/B testing integration.

<2min
Key Metric
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SLO-gated CI

Automated deployment pipeline that blocks releases when SLOs are not met.

99.9%
Key Metric
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vLLM vs API Cost

Self-hosted vLLM deployment vs cloud API cost analysis with performance metrics.

45%
Key Metric
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Grafana Metrics

Real-time monitoring dashboard with p95 latency and error rate tracking.

p95 <300ms
Key Metric
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All metrics from production systems serving 10M+ requests/month with enterprise SLA requirements

Services

Specialized AI/ML engineering services with proven production experience

LLM Infrastructure & RAG

End-to-end LLM deployment with RAG systems, vector databases, and production monitoring.

  • vLLM and TGI deployment optimization
  • Vector database setup (Pinecone, Weaviate, Chroma)
  • RAG pipeline design and evaluation
  • Embedding model fine-tuning
  • Retrieval quality monitoring
  • Cost optimization strategies
Learn more
MLOps & Lifecycle

Complete ML lifecycle management with automated training, evaluation, and deployment pipelines.

  • MLflow experiment tracking and model registry
  • Automated retraining pipelines
  • Model performance monitoring
  • A/B testing infrastructure
  • SLO-based deployment gates
  • Rollback and canary deployment strategies
Learn more
GenAI for Marketing & E-commerce

Custom GenAI solutions for content generation, personalization, and customer experience optimization.

  • Content generation and SEO optimization
  • Product description automation
  • Customer support chatbots
  • Personalization engines
  • A/B testing for AI-generated content
  • ROI measurement and optimization
Learn more

Need a custom solution? Let's discuss your specific requirements.

Get Started

Featured Case Studies

Real-world implementations with measurable business impact

Case Study
E-commerce LLM Personalization Engine

Built a real-time product recommendation system using fine-tuned LLMs and vector search, improving conversion rates and customer engagement.

Tech Stack

PythonvLLMPineconeFastAPIRedis

Key Outcomes

  • 23% increase in conversion rate
  • 45% reduction in cart abandonment
  • 60% faster response times
  • +1 more outcomes
Case Study
Financial RAG System for Compliance

Developed a regulatory document analysis system using RAG architecture to automate compliance checking and reporting.

Tech Stack

LangChainOpenAIElasticsearchDockerAWS

Key Outcomes

  • 80% reduction in manual review time
  • 99.5% accuracy in compliance detection
  • Processed 10K+ documents daily
  • +1 more outcomes
Case Study
MLOps Pipeline for Model Lifecycle

Implemented end-to-end MLOps pipeline with automated retraining, A/B testing, and deployment for a SaaS platform.

Tech Stack

MLflowKubernetesGitHub ActionsPrometheusGrafana

Key Outcomes

  • 90% reduction in deployment time
  • Zero-downtime model updates
  • Automated rollback in <2 minutes
  • +1 more outcomes

Want to see more detailed case studies and technical deep-dives?

Recent Achievements

Live data showcasing quantified business impact and technical expertise

$0
Total Value
85/100
Avg Impact
320h
Time Saved
4
Achievements

Category

Technology

Threads-Agent: MLflow Registry + SLO-gated CI
Impact: 88/100
12/1/2024
80h saved
120h work

Built to learn enterprise MLOps: MLflow registry, SLO-gated CI, observability stack

Before
deployment process:manual
rollback capability:none
After
deployment process:automated CI/CD
rollback capability:one-command
MLOps
SLO
Model Registry
+1
View Evidence
ROI-Agent: Multimodal Media Buyer Automation
Impact: 82/100
11/1/2024
60h saved
80h work

BLIP-2 + LLM analysis for Meta Ads with hybrid inference and A/B testing framework

Before
creative analysis:manual review
iteration time:daily manual
After
creative analysis:automated BLIP-2 + LLM
iteration time:automated pipeline
Multimodal AI
BLIP-2
Meta Ads
+1
View Evidence
Achievement Collector: PR Impact Analysis
Impact: 80/100
10/1/2024
40h saved
60h work

Turns raw PRs into business-value narratives, generates ImpactScores for storytelling

Before
portfolio updates:manual
pr analysis:ad-hoc
After
portfolio updates:automated
pr analysis:systematic scoring
GitHub API
Portfolio
Impact Analysis
+1
View Evidence

Real-time achievements pulled from GitHub PRs and deployment metrics

Ready to optimize your LLM infrastructure?

Book a 30-minute discovery call to discuss your project requirements and explore how we can reduce costs while improving reliability.

Schedule Discovery Call

30-minute technical discussion about your LLM system requirements

30-minute consultation • Automatic timezone detection • Free discovery call

Other Ways to Connect

Download Resume

Full technical background and experience

Download

Direct Email

serbyn.vitalii@gmail.com

Email

LinkedIn

Professional networking

Connect
24hrs
Response time
GMT+2
Kyiv timezone
US/EU
Client focus

Currently available for new projects • Next availability: February 2025

NDA available
SOC 2 experience
Professional setup
UK LTD registered

Payments: USD-denominated, crypto preferred (USDT/USDC/ETH/SOL). Weekly for retainers; fixed milestones 30% deposit, balance on acceptance. Client covers gas.