Євген

Yevhen Chetverikov
[open contact info](look above in the "contact info" section) • [open contact info](look above in the "contact info" section) • [open contact info](look above in the "contact info" section) • https://github.com/gohurd

Software Engineer | Backend Systems | AI Applications

Software Engineer with 5+ years of experience building production SaaS products across healthcare,
property management, geospatial and marketplace platforms. Experienced in designing scalable
backend systems, modernizing legacy applications, leading end-to-end feature development, and
building AI-powered workflows. Comfortable owning software from architecture and database design to
production deployment while mentoring engineers and maintaining high engineering standards.

WORK EXPERIENCE

Movadex 09/2025 - Present
Full stack developer • Full-time Ukraine

• Architected an LLM orchestration engine powering 10+ conversational workflows with 100+ workflow
nodes, combining state machines, intent detection, guardrails, conditional routing, delayed execution
and human handoffs for healthcare applications.
• Modernized a legacy Express platform by introducing layered architecture, centralized validation,
authentication, authorization and unified error handling, significantly improving maintainability and
security while mentoring another engineer throughout the refactoring effort.
• Designed a production AI assistant using Vercel AI SDK with tool calling, contextual memory and
structured validation, enabling clinicians to complete complex workflows through natural language.
• Owned end-to-end delivery of multiple backend systems, driving architecture, database design, third-
party integrations and production releases while collaborating directly with stakeholders.
MaybeWorks 02/2022 - 08/2025
Full Stack developer Ukraine

• Designed and evolved a modular event-driven backend for a large freelance marketplace comprising
30+ modules and 50+ domain entities, supporting complex business workflows, scheduled processing
and real-time communication.
• Built the frontend for the second generation of a property management platform used by 20,000+
users, delivering complex business modules and improving maintainability of the application.
• Redesigned video progress synchronization from polling to an event-driven model, reducing serverless
invocations by 80% while improving responsiveness.
• Led implementation of complex product features from architecture through production, contributing to
technical decisions, code quality and engineering standards across multiple client projects.

SKILLS

Backend: Node.js, NestJS, Express.js, FastAPI

Frontend: React, Next.js, RedwoodJS
Databases: PostgreSQL, MongoDB, Redis

AI: OpenAI API, Vercel AI SDK, LLM Applications

AI-Assisted Development: Claude Code, Codex, Pi Agent