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Тим Скордов

@timskoro

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LLM engineer focused on building production AI systems, evaluation pipelines, and reliable LLM applications

Argentina

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What I'm looking for

I seek backend roles building scalable analytics or LLM-assisted products with strong engineering practices, collaboration, and opportunities to improve reliability and cost.

I’m an LLM-focused engineer with 6+ years of experience in backend and data systems.

I specialize in building production LLM pipelines, evaluation systems, and applications where model behavior needs to be controlled and reliable. In my previous role, I designed multi-step LLM pipelines with structured outputs, validation layers, and quality checks to reduce hallucinations and ensure consistent results.

I also worked heavily on performance optimization — reducing token usage by ~90% and improving latency from ~20–30s to ~3–4s by restructuring pipelines and moving deterministic logic out of prompts.

Recently, I’ve been building my own LLM platform for dataset iteration, evaluation, and fine-tuning workflows, as well as systems for structured data extraction with confidence scoring and validation.

I’m most interested in roles focused on LLM systems, evaluation, RAG pipelines, and infrastructure for reliable AI applications — rather than pure model training or research.

Experience

Work history, roles, and key accomplishments

LLM Engineer

ARIA AI

Jan 2025 - Oct 2025 (9 months)

Initiated and delivered an MVP analytics assistant using Azure OpenAI and LangChain/LangGraph, implemented typed contracts and LLM-based quality checks, and reduced token usage by ~90% via dataset filtering and rolling summaries while improving response latency to ~3–4s on the fast path.

Azure OpenAI LangGraph Pydantic Prompt Engineering Lang Chain

Backend Engineer

SXOPE

Oct 2023 - Apr 2025 (1 year 6 months)

Built and maintained analytics and report APIs using BigQuery/Spanner/Pub/Sub and Elasticsearch, improved latency by caching and parallel fetches (reducing report time by ~3–5s), and raised test coverage from ~40% to ~80% by restoring/creating 400+ tests.

Python BigQuery Cloud Spanner Pub Sub Elasticsearch Caching CI CD Monitoring

Backend Engineer

iTechArt

Oct 2021 - May 2023 (1 year 7 months)

Delivered backend features, fixes, and internal tools across client projects (DRF/Flask), resolved N+1 issues, and built core pipelines for wallet monitoring with idempotency, retries, and webhook security.

Django REST Framework Flask PostgreSQL Redis Celery Auth0 Webhook Security CI CD

Backend Developer

Belbel / Tolato

May 2021 - Aug 2021 (3 months)

Delivered short-term freelance backend work including API endpoints, JWT-based roles, background notification jobs, unit tests, and CI checks; resolved SMTP/email delivery issues end-to-end.

Python JWT Background Jobs Unit Testing GitHub Actions SMTP API Development CI CD

Senior Instructor

TeachMeSkills

Jan 2019 - Jan 2021 (2 years)

Taught Python backend topics to 400+ students across 30+ groups, delivered MVP diploma projects with deployment, and ran interview-prep sessions with consistently positive feedback.

Python fastAPI Docker CI CD Databases Teaching Curriculum Design Mentoring

Python Backend Engineer

Gelios Soft

Jan 2019 - Jan 2021 (2 years)

Maintained a Python 2.7 telemetry ingestion service for ~60k devices/day, implemented per-device parsers and ACK logic, handled unreliable networks and duplicates, and improved packet-processing speed across device types.

Python TCP UDP Ingestion RabbitMQ Redis Pandas Reliability Performance Optimization