Andrii Zahorodniuk

Technical Lead • Team Lead • Fullstack Developer

Valencia, Spain • me@zahorodniuk.com • LinkedIn

About

Technical Lead with 10+ years of experience building scalable web platforms, leading teams, and designing cloud-native architectures. Specialized in TypeScript ecosystems, distributed systems, and high-performance frontend platforms.

Experience

StellarTech
Dec 2025 — Present

Launching educational apps that illuminate minds across the universe.

  • Frontend Technical Lead of Platform: Speeding up product delivery with high quality and reliability.
  • Ensuring robust performance monitoring and continuous improvement.
  • Driving effective alignment between engineering, product, and design.
  • Owning technical governance and development standards across Web products.
  • Leveraging AI tooling for enhanced productivity and innovation.
TypeScriptReactDockerGitHub CI/CDAI Tooling
Luxoft (DXC)
Mar 2021 — Dec 2025
  • Technical Lead/Architect: Designing architectures from scratch and modernizing legacy projects step-by-step.
  • Successfully led pre-sales activities for new customers and participated in full-stack development (Frontend/Backend/DevOps).
  • Key Projects: UK construction market data platform, multinational retail platform, Global CDMO biologic solutions, and AI toolsets for Product Owners.
  • Mentored teams and company members; completed multiple internal leadership courses.
TypeScriptReactNodeJSAWSAzureNestJSNextJSMicroservicesMicrofrontends
DraftKings
Nov 2019 — Apr 2022
  • Technical Expert: Developed an internal CRM to automate deployment processes, significantly reducing time and resources.
  • Created and delivered an internal React training course to upskill the engineering team.
  • Mentored team members on best practices in TypeScript and React ecosystems.
TypeScriptReactNodeJSC#
Ignite
Nov 2018 — Nov 2019
  • Frontend Team Lead: Built a team from scratch for a top Israel travel agency.
  • Proposed and implemented A/B testing strategies and conducted technical audits for external projects.
  • Contributed to the company knowledge base and improved global development processes.
JavaScriptReactC#
SoftServe
Jun 2018 — Nov 2018
  • Frontend Lead: Managed a factory management system with complex logic, state management, and high-density data components.
  • Active contributor to development standards and process improvements.
TypeScriptReactC#
Sigma Software
Sep 2017 — May 2018
  • Developed high-scale video platforms using service-oriented architecture (SOA).
  • Built engaging web products using Agile methodologies to help ingest, syndicate, and monetize video content.
JavaScriptReactAngularJSMicrofrontends
GlobalLogic Ukraine
Oct 2016 — Sep 2017
  • Developed a security-focused SPA using unique wireless hardware and various Maps APIs for stadium and urban territory monitoring.
  • Worked with microservices and integrated hardware-level intelligence for security agencies.
JavaScriptAngularJSPythonPostgreSQLRedisMicroservicesWi-FiLinuxNetworksCryptographyMapsMachine Learning
Intecracy Group
Jan 2015 — Oct 2016
  • Developed document management systems and software for Internet-based Arduino management (Smart Home).
  • Designed service components and handled the full development lifecycle from integration to bug fixing.
JavaScriptNodeJSMSSQLMustache.jsjsPDF

Skills

Full Stack Architect 🏗️

System Architecture • Scalability • Distributed Systems • Infrastructure as Code • Performance Optimization • Technical Leadership • Tech Stack Selection • Domain-Driven Design (DDD) • Event-Driven Architecture • System Design

Frontend ⚡

React • NextJS • TypeScript • TailwindCSS • Microfrontends • Redux • Zustand • React Query • Vite • Storybook • Web Vitals • Accessibility (a11y)

Backend 🖥️

NodeJS • NestJS • Express • GraphQL • REST APIs • OAuth2/OIDC • Prisma • TypeORM • Microservices • WebSockets • Swagger/OpenAPI • Serverless

Cloud & DevOps ☁️

AWS • Azure • GCP • Docker • Kubernetes (K8s) • GitHub Actions • CI/CD • Terraform • Monitoring & Logging (Prometheus, Grafana) • Serverless

Databases 🗄️

PostgreSQL • MongoDB • DynamoDB • Redis • ElasticSearch • MSSQL • Redshift • Database Design & Optimization

Testing & Quality ✅

Jest • Playwright • Cypress • Testing Library • TDD • BDD • Unit/Integration/E2E Testing • Performance Testing

Leadership & Management 🤝

Team Leadership • Mentoring • Agile/Scrum • Code Review • Product Strategy • Stakeholder Management • Recruitment • Engineering Culture

Languages & Tools 📝

TypeScript • JavaScript • Python • C# • Git • Docker • Shell Scripting

Contact

Email: me@zahorodniuk.com
LinkedIn: linkedin.com/in/zagao