Available for new projects

Yevhen Nezhyvyi

Marketing Operations Engineer & Solutions Architect

I identify business problems, design solutions, and ship production software using AI-assisted development. 9+ years of B2B expertise, 104K+ lines of code across 4 platforms.

What I Do

A domain expert who ships software. I know what to build from 9 years in operations, and I build it using AI-assisted development.

Email Deliverability

SMTP infrastructure, sender reputation management, SPF/DKIM/DMARC configuration, inbox placement optimization.

Marketing Automation

n8n workflows, automated sequences, trigger-based campaigns, lead nurturing pipelines.

Operations Engineering

KPI dashboards, quality monitoring, process automation, data pipelines and reporting.

AI-Powered Solutions

I architect and ship production software using AI-assisted development. From concept to deployment -- 104K+ lines across 4 platforms.

How I Work

A straightforward process focused on delivering measurable results.

1

Audit & Strategy

Analyze your current email infrastructure, identify bottlenecks, and design the solution.

2

Build & Automate

Architect the solution and build it using AI-assisted development. Production-grade systems, tested and deployed.

3

Optimize & Maintain

Monitor performance, fine-tune deliverability, provide ongoing support as needed.

Projects & Portfolio

Production systems I architected and built using AI-assisted development. From problem identification to deployed solution -- real platforms, real users.

B2B SaaS Platform36,400 lines

SMTPCloud Dashboard

Real-time email deliverability analytics and sender reputation monitoring.

  • Multi-tenant architecture with role-based access
  • Google Postmaster Tools integration
  • Real-time deliverability metrics
Next.jsTypeScriptPostgreSQLExpress.js
Marketing Automation23,300 lines

AI Nurturing Portal

Lead nurturing platform with AI-powered email generation.

  • 50+ REST API endpoints, n8n workflow integration
  • Visual campaign builder with 5-step wizard
  • AI-powered email content generation
ReactNode.jsPostgreSQLClaude APIAWS S3
Operations Platform21,000 lines

Quality Monitoring

Team performance tracking with automated analytics.

  • Real-time KPI dashboards and email reports
  • Google Sheets auto-sync every 10 minutes
  • Automated performance scoring
ReactFastifyTypeScriptPostgreSQL
Crypto Trading Platform24,000 lines

MyVaultKeep

Non-custodial Solana trading bot with Telegram interface and web dashboard.

  • Jupiter DEX integration with automated stop-loss/take-profit
  • Real-time WebSocket dashboard with portfolio analytics
  • AES-256-GCM encrypted key management, Docker deployment
Next.jsTypeScriptPostgreSQLTelegram APISolana
9+
Years B2B Experience
104K+
Lines of Production Code
4
SaaS Platforms Built
125+
REST API Endpoints Built

Tools & Technologies

The technology stack powering my production platforms -- architected by domain expertise, built with AI.

AI-Assisted DevelopmentClaude AITypeScriptReactNext.jsNode.jsExpressFastifyPostgreSQLRedisDockern8nTailwind CSSAWS S3REST APIsWebSocket

Ready to Fix Your Email Deliverability?

Let's discuss how I can help your business achieve better inbox placement, higher engagement, and automated operations.

Germany (Remote Worldwide)