Ihor Romanchuk/ solutions architectSolutions Architect · AI EngineerKraków, PL - remote with US & EU teams
12+ years designing scalable, secure cloud systems on AWS. I take products from blank repo to production - LLM pipelines, evals, infrastructure, and the UI on top.Solutions Architect and AI engineer with 12+ years designing scalable, secure cloud systems on AWS. I take products from blank repo to production - LLM pipelines, evals, infrastructure, and the UI on top.
Toptal Verified Expert / AWS Certified Solutions Architect / 12+ years
12+
years in production softwareyears building production software
Since 2014
4momonths
solo, commit → productionsolo, first commit → production AI platform
Excedr
1.5 mo3days
bug → fix, was 1.5 monthsbug report to shipped fix, with AI automation
DriveNets
~~10×
faster page loadsfaster page loads after re-architecture
PCI Energy Solutions
LLM pipelines with evals, tracing, versioned prompts, deterministic validation and cost-aware model routing. Not demos.
Multi-tenant SaaS on AWS - ECS Fargate, Lambda, RDS, SQS, S3, CloudFront, Cognito - all as code with Terraform and CI/CD.
A production platform in 4 months, solo. A stalled AI prototype turned into a working product. Teams hired and stood up from scratch.
MCP servers, agent skills, codified agent rules and ADRs that let Claude Code, Cursor and Codex do real work safely.
01 · Fintech · 2026★ Flagship
4months · team of one
An AI underwriting platform that turns messy financial documents into verified, decision-ready data - built solo, first commit to production in 4 months.
02 · Enterprise · 2026Team lead
1.5 mo3days bug → fix
Turned a design system into AI infrastructure - an MCP server and 22 agent skills that let coding agents build on-system UI.
03 · Fintech · 2026Architect
8terraform modules · 2 envs
Rescued a stalled AI-generated prototype and turned it into a multi-tenant, production-grade LLM product on AWS.
04 · Pharma · 2020-2025Tech lead
5engineers hired & led
Architected a secure, multi-tenant pharmaceutical platform on AWS - and hired the team that built it.
01 · Fintech · 2026
Messy financial documents into verified, decision-ready data - built solo in 4 months.
02 · Enterprise · 2026
An MCP server and 22 agent skills that let coding agents build on-system UI.
Domain, users, constraints. Sequence the roadmap so the highest-value capability ships first.
demos · roadmap
Decisions captured as ADRs, systems drawn as diagrams, infrastructure planned as code.
ADRs · diagrams · terraform
Claude Code and Cursor, governed by agent rules, a domain glossary and shared skills.
agent rules · skills · MCP
Golden-fixture eval suites in CI, deterministic checks on model output, coverage gates.
evals · tracing · tests
SHA-promoted deploys across environments, and documentation a team can keep shipping with.
CI/CD · docs · handover
Ihor delivers features fast without compromising quality… Calm, reliable, and deeply result-oriented - Ihor brings a lot more than just engineering skills to the table.
His expertise in React and modern frontend frameworks was key to the success of a critical data analytics platform at PCI, where he made meaningful contributions from day one.
He has outstanding communication and analytical skills and challenges the solution in every step, to deliver efficient and sustainable solutions.
Ivan Franko National University of Lviv · 2012-2018