Serhii
Mytkin.

Software Engineering Team Lead · 10+ years designing, shipping, and leading scalable web apps and the people who build them.

Builder. Leader. Professional.

Software Engineering Team Lead with 10+ years designing, developing, and leading scalable web applications and high-performing engineering teams. Expert in automation systems, performance optimization, and AI-driven tools that improve efficiency and accessibility.

Proven track record leading cross-functional Agile teams of 13–18 engineers, mentoring developers, and fostering inclusive, diverse team cultures across four continents — including high-profile stakeholders like Hollywood executives and investors.

Modern Web Development & UI Engineering, semantic structure, responsive layouts, API integration, maintainable styling frameworks, scalable component systems

Strong technical expertise in PHP, Node.js, React/Next.js, TypeScript, WebCore, Python+PyTorch, cloud architectures (AWS, Vercel), and machine learning applications.

6x
Client Growth
Grew client base from 30 to 180+ at DealerTower
95%
Faster Deployments
Reduced website delivery time from weeks to hours
4
Continents Led
Managed distributed teams across 4 continents
99.8%
Uptime Achieved
System reliability after cloud migration to AWS

Selected work.

A decade in the trenches.

2025 — 2026

Founder / Lead Developer · Blinkerly Tech (EU)

  • Founded and lead innovative company focused on WordPress performance optimization, managing technical strategy and product roadmap.
  • Developed Node.js-based plugin with React admin dashboard that automatically improves website performance, SEO, and accessibility scores.
  • Implemented machine learning algorithms for intelligent code optimization and automated WebP conversion.
  • Established DevOps practices including CI/CD pipelines, automated testing, and cloud deployment strategies.
Node.jsReactMachine LearningDevOpsCI/CD
2024 — 2025

Lead Full Stack Developer / Technical PM · Reel Wheels

  • Dual role as Lead Developer and Technical Product Manager — bridging implementation and business vision.
  • Conducted weekly strategy meetings with company owners and investors, including 5+ direct meetings with Mark Wahlberg and Hollywood producers.
  • Built Next.js/React e-commerce platform from scratch for renting/selling movie production vehicles.
  • Developed custom analytics dashboard for equipment utilization, revenue forecasts, and customer behavior.
Next.jsReactNode.jsE-commerceAnalytics
2019 — 2023

Lead Full Stack Developer & Engineering Team Lead · DealerTower

  • Led and grew international engineering team from 2 to 8 members across four continents.
  • Architected automated website generator using Python microservices, Node.js APIs, and React/Next.js dashboards — reducing deployment time by 95%.
  • Grew client base sixfold (30 to 180+ dealership clients).
  • Developed AI-powered chatbot using OpenAI GPT models that could autonomously build dealership websites from natural language.
  • Led cloud migration to AWS with Docker, Kubernetes, and CI/CD — achieving 99.8% uptime.
  • Championed WCAG 2.1 AA/AAA accessibility across all products.
ReactNext.jsNode.jsPythonAWSDockerK8sOpenAI
Mar — Dec 2023

Lead Full Stack Developer · DatGate Heavy Machinery

  • Designed and developed e-commerce platform for selling Komatsu heavy machinery.
  • Implemented complex equipment-spec filtering and real-time pricing engine.
Next.jsReactNode.jsE-commerceCMS
2017 — 2019

Senior Web Application Developer · International Remote Team

  • Collaborated with distributed Agile teams (6-10 members) across US, Europe, and Asia using Scrum.
  • Mentored junior developers in Vue.js, Laravel patterns, and professional practices.
  • Delivered large-scale web applications serving millions of users.
Vue.jsLaravelNode.jsMySQL
2015 — 2017

Web Developer · TemplateMonster

  • Built and maintained web templates and CMS modules (OpenCart, WordPress).
  • Extensive work with HTML, CSS, JS, jQuery, and PHP.
HTMLCSSJavaScriptPHPWordPress

Toolbox.

JavaScriptTypeScriptPHPJava EE
React.jsNext.jsVue.jsSencha Ext JSThree.js / WebGLHTML5CSS3 / SASS / Tailwind
Node.jsExpressLaravelREST APIsGraphQL
MySQLPostgreSQLMongoDBRedis
AWS (S3, EC2, Lambda)DockerKubernetesVercelCI/CD
JestCypressTDDE2E
OpenAI APIGeminiML AlgorithmsTensorFlow
WCAG 2.1 AA/AAAARIAScreen Reader Testing
Team Leadership (3-8)MentoringRecruitmentAgile / Scrum MasterStakeholder MgmtCulture Building

Foundation.

2010 — 2016

Master's Degree, Artificial Intelligence Systems

Petro Mohyla Black Sea State University

Let's work together.

I'm open to new opportunities and would welcome the chance to bring my technical leadership, cross-cultural communication skills, and proven track record of team development and business impact to your organization.

Original portfolio ↗ Write me mitkin93@gmail.com