Julia Bubnova, PhD

Playpack OU - Senior Software Engineer

Berlin, Germany • June 2023 - Present • 8-10 people

• Shipped and maintained two mobile games; one is live and profitable with 5M+ installs.
• Owned game shop architecture and payment integrations (in-app purchases).
• Built localization pipeline with automated translations and review/override support.
• Built LiveOps dashboards, configuration panels, analytics, and prototyping tools.
• Implemented in-house A/B testing based on remote configs.
• Set up CI/CD and cloud environments with GitHub Actions and Firebase.
• Integrated ads, analytics, and in-app purchase SDKs.

Games: Merge Away (Android), Merge Away (iOS), Cozy Lane (Android)

Tech: TypeScript, React, Material UI, Pixi.js, Node.js, Firebase, Firestore, Cloud Functions, Kotlin, Swift

Wooga GmbH - Senior Frontend Engineer

Berlin, Germany • August 2022 - February 2023 • 250-350 people

• Built and tested LiveOps/admin apps with roles and permissions.
• Iterated with design and product to turn prototypes into maintainable modules.
• Maintained unit and end-to-end tests (Jest, Playwright, Cypress).
• Set up Amplify, Lambdas, API Gateway, and S3 infrastructure.
• Mentored junior developers.

Projects: June's Journey, Switchcraft, Ghost Detective

Wooga GmbH - Frontend Engineer

Berlin, Germany • August 2020 - July 2022 • 250-350 people

• Developed and maintained a desktop Electron app for game content creation.
• Owned cloud setup for app integrations (GraphQL, AppSync, DynamoDB, S3).
• Connected the app with games and internal services via WebSockets.
• Set up and maintained CI/CD with GitHub, Jenkins, and Amplify.

Siemens LLC - Frontend Engineer

Remote from Berlin • November 2019 - May 2020

• Built React apps for gas turbine experts with simulation-focused UIs.
• Implemented WebGL visualization proof-of-concepts.
• Contributed to component library and API integration design.
• Built app for navigation and execution of Swagger specs collections.

Project Manager (Leading R&D Engineer)

Saint Petersburg, Russia • May 2018 - October 2019

• Managed two internal R&D projects with teams of 5-8 people.
• Aligned customer requirements and wrote technical specifications.
• Consulted on technical decisions and defined tasks with UX/UI designer.

Middle/Senior Backend Engineer (Leading R&D Engineer)

Saint Petersburg, Russia • February 2015 - October 2019

• Built backend systems for scientific web applications and data workflows.
• Developed desktop applications for simulation, visualization, and data exchange.
• Conducted R&D, wrote papers, and built prototypes for international conferences.
• Implemented backend for time-series data preparation and visualization apps.

Saint Petersburg State University - PhD in Solid Mechanics

September 2011 - September 2014 • Grade: 5/5

Thesis: Effect of the surface and interface stresses in solid body with planar and slightly curved surface.

Saint Petersburg State University - Specialist Degree in Applied Mathematics

September 2006 - September 2011 • Grade: 4.5/5

Learning Words App (waitlist)

Language learning tool for translation, grammar explanations, usage examples, and export to custom Anki format.

Tech: TypeScript, React, Next.js, zod, PostgreSQL, Drizzle ORM, OpenAI API, Anki

JetBrains Hackathon 2025 - TapCoder

Built a React Native app that uses LLM prompts to generate prototype mobile apps and run them on-device.

Tech: React Native, Expo, Qwen Coder

JetBrains Hackathon 2024 - AI Pulse (external consultant)

Supported a team of Kotlin developers and UX/UI designer to build a JavaScript dashboard for code completion stats.

Tech: JavaScript, React, WebGL, Tailwind • Hack Team Prize €3000

dybr.ru - Volunteer Frontend Engineer (maintainer)

February 2020 - February 2022

• Migrated state management (in-house -> Redux -> React Context).
• Maintained frontend and fixed bugs.
• Maintained GitLab CI/CD pipeline and collaborated with designer.