Сергій

SERHII SLAVIN
Senior Full-Stack Engineer
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SUMMARY
Senior Full-Stack Engineer with 9+ years of commercial software development experience. Strong expertise in
TypeScript, React, Node.js, REST APIs, and relational databases. Experienced in designing and delivering production
features across frontend, backend, cloud, desktop, and native application layers.
At Vimeo, worked across frontend and backend using TypeScript, React, Node.js, and PHP, built cloud services on
Google Cloud Run, and developed production web and desktop applications. Additional hands-on knowledge includes
Fastify, Python, FastAPI, Django, Symfony, and Go. Product-oriented and architecture-minded, with experience
owning complex features from technical design through delivery, monitoring, and continuous improvement.

CORE SKILLS
Frontend: React, TypeScript, JavaScript, Angular, HTML, CSS, Canvas API
Backend: Node.js, Express, Fastify, PHP, Ruby on Rails, REST APIs, tRPC
Additional Backend: Python, FastAPI, Django, Symfony, Go
Databases: PostgreSQL, Prisma, relational database design
Cloud & Infrastructure: Google Cloud Run, Google Cloud Functions, Docker, GitHub Actions, CI/CD
Testing: Jest, Vitest, Playwright, unit, integration, and end-to-end testing
Monitoring & Analytics: Sentry, Datadog, Eppo, Pendo
Desktop & Native: Electron, Swift, Objective-C, macOS, iOS

PROFESSIONAL EXPERIENCE
VIMEO - Senior Software Engineer
November 2021 - Present | Vimeo Record
Stack: React, TypeScript, Node.js, Express, PHP, Electron, Swift, Google Cloud Functions, Cloud Run, GitHub Actions, Sentry,
Datadog, Playwright, Jest, Vitest
• Design and deliver production features across frontend, backend, cloud, desktop, and native macOS layers.
• Built and maintained backend and cloud services using Node.js, Express, Google Cloud Functions, and Cloud Run.
• Contributed to existing backend services written in PHP.
• Designed integrations between React applications, backend services, Electron processes, native macOS modules, and
cloud infrastructure.
• Developed and maintained Vimeo Record products, including Record Studio, the desktop recording application, and
Record SDK.
• Built interactive Canvas-based functionality for composing and managing dynamic recording scenes.
• Designed and implemented a native macOS recording module in Swift used by the Electron application.
• Built CI/CD workflows and implemented unit, integration, and end-to-end tests using Jest, Vitest, and Playwright.
• Used Sentry and Datadog for production diagnostics, and Eppo and Pendo for experimentation and product analytics.
• Collaborated across engineering, product, design, and QA teams and supported teammates through technical guidance
and knowledge sharing.
• Awarded Vimeo's 'Director's Cut' for impact and execution.

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LEVI9 UKRAINE - Senior Software Engineer / Department Manager
August 2018 - November 2021
Stack: React, Angular, TypeScript, JavaScript
• Developed and maintained enterprise and SaaS applications using React, Angular, and TypeScript.
• Participated in application architecture, technical planning, estimation, implementation, and client communication.
• Led the professional development of frontend engineers through mentoring, technical training, onboarding, and
knowledge sharing.
• Defined engineering standards, code-review practices, and development guidelines.

RADEMADE - Full-Stack Developer
February 2017 - August 2018
Stack: Ruby on Rails, Angular, JavaScript, REST APIs, relational databases
• Developed full-stack web applications using Ruby on Rails and Angular.
• Built backend business logic, REST APIs, database-backed functionality, and third-party integrations.
• Worked across the complete development lifecycle, from technical design to production delivery and maintenance.

ONIX SYSTEMS - iOS Developer
December 2015 - November 2016
Stack: Swift, Objective-C, iOS, REST APIs
• Developed commercial iOS applications, including user interfaces, networking, API integrations, and application lifecycle
functionality.

MIF PROJECTS - Software Engineer
January 2013 - April 2015
Stack: Swift, Objective-C, Ruby on Rails, REST APIs
• Developed commercial iOS applications and backend functionality using Ruby on Rails.
• Built REST APIs and integrations between mobile applications and backend services.

SELECTED PROJECT
REGATHER - Full-Stack Social Planning Application
Stack: React Native, TypeScript, Fastify, tRPC, PostgreSQL, Prisma, Docker, Google OAuth, JWT
• Designed and developed an application for organizing events, invitations, RSVPs, groups, tasks, and user relationships.
• Built a type-safe backend API using Fastify, tRPC, Zod, PostgreSQL, and Prisma.
• Implemented Google OAuth and JWT authentication, shared client-server types, pagination, comments, and
push-notification flows.

EDUCATION
Kirovograd Cybernetic Technical College - Bachelor's degree, Software Development
Kirovohrad National Technical University - Specialist degree, System Engineering

LANGUAGES
English: Professional working proficiency Ukrainian: Native

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