Stanislav Sonder

Senior Software Engineer with a proven track record of designing scalable architectures, leading cross-functional teams, and delivering high-performance user experiences across high-traffic platforms. Currently driving Stripe Inc to new heights.

• +353894780750
• stanislavsonder@gmail.com
• linkedin.com/in/stanislavsonder
• @stanislavsonder
• github.com/stanislavsonder

Languages

• EnglishFluent
• RussianNative
• BelarusianNative
• FrenchBeginner

Experience

• Stripe

  < 1 year | 2025 - Present

  Senior Software Engineer at Risk & Compliance

  Dublin, Ireland

  Projects:Risk & Compliance ProjectRisk & Compliance Project

  • TBD after release 🚀

• Axamit

  3 year(s), 1 months | 2022 - 2025

  Senior Software Engineer at Biggest Canadian Media Company

  Montréal, Canada

  Projects:Canadian branch of the most popular radio network in the USAPopularCanadian News PortalMarketplace ProjectCanadian French News PortalFinancial Giant News PortalToronto Media PortalLargest Sports News Portal in CanadaLargest French-Language Sports News Portal in CanadaCanadian French TV-Streaming PlatformCanadian TV-Streaming PlatformNumber one Canadian Video Streaming Platform

  • Led the design and implementation of scalable frontend architectures for high-traffic platforms.
  • Managed a team of four frontend developers, conducted cross-team training sessions, and mentored junior engineers - boosting productivity and technical maturity.
  • Built an advanced ad management system integrating Google Publisher Tag with AEM for client-side rendering, improving ad campaign performance by 53% and enabling granular brand-level targeting.
  • Worked closely with SEO, Editorial, DevOps, and other departments to integrate solutions seamlessly and meet project goals.
  • Architected a dynamic image rendering system combining AEM-generated renditions with responsive Vue components - reducing client-side load and improving page speed by up to 140%.
  • Created reusable component library with unstyled Vue components adopted across client's projects, reducing boilerplate and accelerating development velocity.
  • Developed an AEM-driven analytics management system that simplified the workflow for editors, minimizing the need for code changes and expediting the launch of new analytics campaigns ~20% faster.
  • Introduced a concept allowing the use of Vue components within AEM's Rich Text Editor. This approach drastically simplified content editing, empowering editors to visually manage Vue components directly within the editor
  • Orchestrated the migration of multiple projects and modules to a new CMS, while simultaneously developing new features and ensuring the stability and maintenance of existing systems.
  • Developed multiple internal tools for data management, visualization, and analytics integration, enhancing the efficiency of the development process and improving data-driven decision-making.
  • Spearheaded frontend development for multiple high-traffic video streaming platforms, ensuring performance, scalability, and cross-device compatibility in production environments.
  • Implemented advanced video player integrations, adaptive streaming (HLS/DASH), and analytics tracking to support millions of users across web and mobile platforms.

• Axamit

  2 year(s), 2 months | 2020 - 2022

  AEM Frontend Developer at STMicroelectronics

  Minsk, Belarus

  Projects:ST Microelectronics

  • Design and creation of reusable AEM components and templates to streamline content management and enhance site flexibility
  • Successfully transitioned legacy AngularJS projects to a contemporary React-based architecture, while simultaneously implementing new features for an advanced B2B communication platform.
  • Led initiatives to optimize Core Web Vitals and Accessibility standards across the primary website and its subdomains, improving user experience and site performance up to 40%.
  • Implemented OneTrust integration for GDPR compliance, while concurrently enhancing analytics and SEO strategies to boost search engine visibility and data security.

• Flexmerch Corp

  1 year(s), 3 months | 2019 - 2020

  JavaScript / ExtendScript Developer

  Minsk, Belarus

  Projects:Flexmerch PBN

  • Created Adobe Illustrator, Photoshop scripts / extensions for computer advanced graphic processing.
  • Optimized business expenses by analyzing data and making strategy predictions that saved ~60% of consumable materials expenses.

Education

• Belarusian State University

  2018 - 2022

  Bachelor's Degree in Computer Science (Web-programming, Operating Systems, algorithms and data structures, Computer graphic and Design)

  Minsk, Belarus

• Online Advanced Frontend Course by UlbiTV

  2022

  Covered complex frontend architecture, accessible UI development, performance optimization, testing strategies (unit, e2e), CI/CD pipelines, and full-stack integration best practices

• Personal mentorship in Node.js architecture under industry expert Timur Shemsedinov

  2023

  Asynchronous-, parallel- contract-, multi-paradigm- and meta- programming, and design patterns (OOP, GRASP, SOLID, GoF).

  Montreal, Canada

Non-commercial projects

• FATE: Core

  2024 - Present

  Typescript, Kotlin, Vue, Ionic, Tailwind

  https://play.google.com/store/apps/details?id=com.sonder.fate_core

  • Design and development of mobile application for FATE game system (iOS & Android) with module system for additional content and multi-language support with 30+ languages available.

• FATE Extended Roleplay Assistance Tool

  2023

  Typescript, Vue, PWA, Obsidian

  https://stanislavsonder.github.io/fate-extended-character-sheet

  • Design a simple multi-language roleplay local assistance tool for FATE game system with PWA support for offline usage and export/import character sheets to savefiles.

• Streamhata Web Application

  2021 - Present

  Typescript, Vue, Nuxt, NestJS, MongoDB, S3, GraphQL, Socket.IO, Material UI, Figma

  https://streamhata.club

  • Implemented complex event management platform with real-time features (WebSockets, Twitch API integration) and CI/CD for seamless updates.

Technical Skills

• JavaScript
• TypeScript
• Ruby
• Sorbet
• HTML5
• CSS3
• React
• Vue
• Next.js
• Nuxt
• Tailwind
• SASS
• Tanstack Query
• Redux
• Web Vitals
• Accessibility Expertize
• Vite
• Webpack
• NodeJS
• GraphQL
• Ionic
• Pinia
• Zustand
• Jest
• Vitest
• Material UI
• Design Tokens
• Astro
• ESBuild
• Express
• MongoDB
• Mongoose
• SQL
• Bun
• Websockets
• Socket.io
• Git
• Docker
• Portainer
• Nginx Proxy Manager
• Amazon S3
• Amazon Amplify
• AEM
• ArcXP
• ExtendScript
• OOP
• SOLID
• GRASP
• GoF
• Agile
• Scrum
• Kanban
• Rust