# Ivan Tolstov > Senior Software Engineer | Frontend | React | Typescript | 9+ YoE Location: San Francisco Bay Area, United States Profile: https://flows.cv/ivantolstov Senior Software Engineer | Frontend Developer (9+ years of experience) | AI native engineer Specializing in: TypeScript | JavaScript | Product development Domains I have worked with: HealthTech | Automotive | Gen AI | Crypto | FinTech | iGaming | E-Commerce Languages & Frameworks / Libraries: - Preferred: Typescript | Javascript | React | NodeJS - Less preferred: Vue | Angular | Svelte | Jquery - Technologies: HTML | CSS | React | Typescript | Webpack | Lerna | Webdriver IO | Selenium | Jest | CSS-in-JS | PostCSS | Axios | Express.js | Pixi.js | D3.js | Redux | Next.js | NX | NodeJS | Framer | Data Visualisation | Vite | PostCSS | Firebase | UIKit - Tools: Jira | Confluence | Figma | Git (GitHub | GitLab) | Postman | Trello | Slack | Muttermost | VSCode - Methodologies: Agile | GitFlow | CI/CD | BEM - Architectures: MVVM | MVP | MVC | MicroFrontends - Server communication: Rest API | GraphQl | WebSockets | gRPC _________________________ Mentoring tech folks on ADPlist | https://adplist.org/mentors/ivan-tolstov _________________________ [Resume] - https://drive.google.com/file/d/1N-el4yC4fZTklQwdJh34Sgob7zB5mC6o/view?usp=sharing [GitHub] - https://github.com/easypizi 📩 For communication: Current Location: San Francisco Bay Area Email: tolstov.career@gmail.com Phone: +1 650 333 3218 Telegram: https://t.me/ivan_tolstov ## Work Experience ### Senior Software Engineer @ Suki Jan 2024 – Present | San Francisco Bay Area Solutions engineering team | Product | AI Healthtech ___________________________________ - Led the development of an Electron desktop application delivering Suki dictation across major EMR systems (Epic, MEDITECH, Athena). Managed a team of three engineers and owned product planning, design reviews, and test strategy, ensuring reliable integrations and accelerating delivery. - Spearheaded an FHIR‑based EMR system as an internal tool to enable a live demo environment for external customers and serve as a tool for multiple projects across the company, dramatically improving development speed and QA testing of all integrations. - Directed technical strategy for a flagship project integrating core services into the EHR ecosystem of top-tier providers. Built scalable front-end architecture and accelerated delivery of new features, reducing integration time by 30%. - Refactored two legacy internal testing services onto a modern TypeScript stack, dramatically improving system stability and accelerating feature delivery. - Developed a documentation portal for platform applications with in-line content editing—eliminating code changes for updates and empowering non-technical contributors. ### Senior Software Engineer @ Scade.pro Jan 2023 – Jan 2024 AI orchestration platform team | Startup | AI ___________________________________ - Suggested and led Mobile First strategy for the product — together with Product and Design, worked on UI making it more responsive; onboarded the rest of the engineering on the new UI paradigm; reduced the time to rollout mobile versions by 25%. - Designed and developed a universal WebSocket service resulting in 6x reduction of CPU usage on backend. - Designed and built a universal layer for managing client-server requests, which significantly improved the time required to build RESTful API integrations. - Deployed QA templates and automation tools which accelerated time to ship a product cycle by 15%. - Developed and implemented chat based application for fast and convenient access to AI based image generation tools. - Created and implemented a marketing component system enabling dynamic addition of banners, promo blocks, and features to products using Firebase Remote Config, significantly reducing team's maintenance costs. ### Software Engineer @ ARRIVAL Jan 2020 – Jan 2023 | Tbilisi, Georgia Cloud Diagnostic Platform team | Product | Automotive company ___________________________________ - Refactored an outdated React codebase to TypeScript, reducing the overall error count by 40%. - Enhanced the testing process by implementing end-to-end and smoke tests, cutting down testing time by 20% and boosting release stability. - Designed and integrated a UIKIT, enabling design engineers to quickly and efficiently create and assemble new interfaces on demand. - Spearheaded a rapid UI feature development cycle in the R&D division, enabling the team to quickly deliver Proof of Concept for new ideas with a high degree of stability. ### Software Engineer @ Derivco Jan 2019 – Jan 2020 | Tallinn, Harjumaa, Estonia Game Development team (Real Dealer Studios) | Product | iGaming games distributor ___________________________________ - Engineered and deployed an advanced rendering system for the game engine, based on the PixiJS library with Typescript, enhancing performance by 35% (stable 30fps) and reducing load times by 25%. - Increased test coverage of over 60%, especially for mobile devices (30+ different models on iOS and Android platforms). - Mentored newcomers and optimized onboarding process. Examples: https://www.realdealerstudios.com/ ### Software Engineer @ Changelly Jan 2018 – Jan 2019 Product Growth Team | Product | Fintech ___________________________________ - Created a boilerplate for fast building web/mobile apps, based on the main product, but specific for markets in LATAM. - Designed and implemented UIKIT components, which affected feature delivery for the whole team. - Maintained and delivered adv special projects for the main product with a bunch of animations, in strong collaboration with the marketing team. ### User Interface Engineer @ Changelly Jan 2017 – Jan 2018 ## Education ### Innovations in Business Stanford Continuing Studies Jan 2024 – Jan 2024 ### Master's degree in Computer Science ITMO University Jan 2021 – Jan 2022 ### Master of Laws - LLM in International Law The Russian Presidential Academy of National Economy and Public Administration (RANEPA) Jan 2007 – Jan 2012 ## Contact & Social - LinkedIn: https://linkedin.com/in/tolstov-ivan --- Source: https://flows.cv/ivantolstov JSON Resume: https://flows.cv/ivantolstov/resume.json Last updated: 2026-03-20