Олександр

ALEXANDER LAMBERT
FULL STACK ENGINEER (TYPESCRIPT, REACT, NEXT.JS, NESTJS)
Location: Ukraine (Open to Remote / B2B) Email: [відкрити контакти](див. вище в блоці «контактна інформація») Phone: [відкрити контакти](див. вище в блоці «контактна інформація»)

LinkedIn: [відкрити контакти](див. вище в блоці «контактна інформація») Portfolio: Enterprise IP / NDA Protected

PROFESSIONAL SUMMARY

Full Stack Engineer with 3+ years of commercial contract experience engineering and scaling high-traffic web applications
across E-Commerce, Logistics, and Booking ecosystems. Specialized in delivering responsive, type-safe frontends with
React and Next.js (SSR/SSG), coupled with clean, modular backends using NestJS, PostgreSQL, and Prisma. Proven
success in reducing API latency via Redis caching, setting up resilient Docker development environments, and enforcing
end-to-end type safety between client and server architectures. Fluent in English (C1).

TECHNICAL EXPERTISE

Languages: TypeScript, JavaScript (ES6+), SQL (PostgreSQL), HTML5, CSS3
Frontend: React.js, Next.js (App/Pages Router, SSR), React Query, Zustand, Redux Toolkit, TailwindCSS
Backend & DB: NestJS, Node.js, Express, PostgreSQL, Prisma ORM, Redis, RESTful APIs, Swagger / OpenAPI
DevOps & Tools: Docker, Docker Compose, Git, GitHub Actions, Vercel, Playwright (E2E), Postman, Storybook

Engineering: Clean Architecture, Microservices Concepts, Agile / Scrum, CI/CD Automation, OWASP Security

COMMERCIAL WORK EXPERIENCE Production Projects

Full Stack Developer (Contract) Jul 2025 — Sep 2026
Mithrill Development • Remote

Online Retail & Order Analytics Platform
Full-scale admin suite and storefront handling product catalog, inventory management, and analytics.
Architected modern frontend interfaces for high-density administrative dashboards and public catalog pages using React,
Next.js, and TailwindCSS.
Separated client-state and server-state lifecycle by combining Zustand for UI workflows with React Query for automated cache
invalidation, deduplicating repetitive network requests.
Cut initial page load times by ~35% across core catalog routes by transitioning key catalog pages to Next.js Server-Side
Rendering (SSR).
Engineered automated end-to-end type safety, generating TypeScript models and API clients directly from backend OpenAPI /
Swagger specifications.
Developed an isolated, reusable UI component library documented with Storybook, accelerating cross-feature delivery velocity.
Authored automated end-to-end validation suites using Playwright for critical checkout flows, integrated with automated
Vercel preview deployments.
Technologies: React.js, Next.js, TypeScript, NestJS, PostgreSQL, Prisma, Redis, Docker, Docker Compose, React Query, Zustand, Playwright,
Storybook, TailwindCSS, GitHub Actions, Vercel.

Alexander Lambert — Curriculum Vitae Page 1 of 2

COMMERCIAL WORK EXPERIENCE (CONTINUED) Production Projects

Full Stack Developer (Contract) Nov 2024 — Jun 2025
m2k • Remote

Logistics & Fleet Management Platform
Real-time order tracking, driver assignments, and route optimization system.
Engineered dispatch and administrative consoles in React, implementing Zustand for real-time UI state updates and React
Query for server-state caching.
Extended database schemas and API endpoints in NestJS and PostgreSQL via Prisma ORM to support driver shift
assignments and live status updates.
Reduced database read latency by 40% for high-frequency dispatcher dashboards by implementing a dedicated Redis caching
layer.
Configured containerized Docker Compose setups for local database and Redis service replication during development.
Secured platform access using JWT authentication and role-based route guards in NestJS, with Google OAuth 2.0 integration
via Passport.js.
Built complex multi-step validation forms for order creation using Formik with Zod / Yup schemas, significantly improving data
integrity.
Technologies: React.js, TypeScript, NestJS, PostgreSQL, Prisma, Redis, Docker Compose, JWT, Google OAuth 2.0, React Query, Zustand,
Formik, Zod, Styled Components, TailwindCSS.

Frontend Developer (Freelance / Contract) Aug 2023 — Oct 2024
Freelance • International Clients

Web Applications & Client Booking Platforms
Custom web applications, booking platforms, and marketing landing pages.
Delivered pixel-perfect, responsive client interfaces from Figma designs using React, Redux / Zustand, and TailwindCSS.
Integrated third-party REST APIs and payment services into client booking platforms with robust error handling.
Configured production environments and domains on Vercel with automated preview builds for client reviews.
Managed version control, release branches, and handover documentation via Git/GitHub for seamless project delivery.
Technologies: React.js, JavaScript, React Query, Redux, Zustand, Formik, TailwindCSS, Vercel, Git.

EDUCATION LANGUAGES

Bachelor of Software Engineering English: Advanced (C1) — Professional Working
Zaporizhzhia National University Ukrainian: Native
2019 — 2023 • Ukraine

Alexander Lambert — Curriculum Vitae Page 2 of 2