Profile
- Tetiana Andriushyna
- Ivano-Frankovsk, Ukraine
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- Available for hire
- Projects -
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- Rating 241
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- Last visit: 3 months 13 days ago
CV
EXPERIENCE
[Nov 2022 - Sep 2025] Senior Software Engineer (Lotos)
It was created to address the massive appearance of scam tokens on various blockchain networks. We have developed a trading terminal that provides a fair and convenient environment for trading in DeFi, and strive to improve market security by helping users, regardless of their level of technical knowledge, avoid fraudulent assets and save time by increasing the chances of selecting profitable tokens.
[Jan 2014 - Feb 2025] Software Engineer (Freelances)
With over 10 years of freelance experience, I specialize in creating and implementing high-load and technologically complex solutions, from concept to deployment and support. My expertise covers the entire development cycle — from low-level programming and blockchain architecture to the creation of fault-tolerant full-stack applications and DevOps infrastructure.
KEY AREAS AND ACHIEVEMENTS
- Complex product development, leading and directly participating in the creation of DeFi platforms (trading terminals, smart contracts), cross-platform mobile and desktop applications, and high-performance backend systems
- Architecture and R&D, conducting research and implementing innovative technologies (blockchain, AI tools, low-level optimization) to solve specific business problems and improve the security, performance, and scalability of products
- Technical leadership, successful implementation of projects using Agile/Waterfall methodologies, including cross-team collaboration, mentoring, and full professional responsibility for results
HARD SKILLS
Full-Stack Development, Blockchain, DevOps, TypeScript, Dart, Research and Development (R&D), Extreme Programming, Agile & Waterfall Methodologies, Software Development Life Cycle (SDLC), Databases, Scripting, Version Control Tools, Hypervisor, Node.js, SASS, JavaScript, OpenCV, Low Level Programming, Cloudflare, Amazon Web Services (AWS), GitHub Copilot, Google Gemini, Anthropic Claude, ChatGPT, Procedural Oriented Programming (POP), Object-Oriented Programming (OOP), Python (Programming Language), Java, Kotlin, C#, C++, Assembly Language, Zig (Programming Language), Swift (Programming Language), Rust (Programming Language), Solidity, Tact (Programming Language), HTML, Cascading Style Sheets (CSS), R (Programming Language), MATLAB, SQL, PHP, Express.js, Fastify, NestJS, Meteor.js, Sails.js, Next.js, React.js, Vue.js, Svelte, SolidJS, Tauri, Electron.js, React Native, Apache Cordova, Flutter, Dart Frog, FastAPI, JavaFX, Java Swing, Jetzig, Axum (Framework), Anchor (Framework), OpenZeppelin, Laravel, ClickUp, Jira, Notion Productivity Software, Windows, macOS, Linux, iPadOS, iOS, Android, REST APIs, GraphQL, WebSocket, gRPC, Transmission Control Protocol (TCP)
SOFT SKILLS
Communication, Problem Solving, Teamwork, Time Management, Easily Adaptable, Attention to Detail, Creativity and Innovation, Leadership, Critical Thinking, Cross-team Collaboration, Professional Responsibility, Professionalism, Lifelong Learning, Self-Motivation, Research Skills, Professional Mentoring, Discipline, Scheduling
Tags
Skills and abilities
Programming
Mobile development
Services
Administration
Outsourcing & consulting
Portfolio Works
Indicators
Total projects:
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Average rating:
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DeadlinesActivity
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Project
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Type | Budget | Proposal | Deadline | Added |
|---|---|---|---|---|---|
| 300 USD |
300 USD
|
10 days | 19 Feb | ||
| 226 USD |
226 USD
|
7 days | 17 Feb | ||
| Not specified |
450 USD
|
7 days | 16 Feb | ||
| 142 USD |
85 USD
|
2 days | 11 Feb | ||
| 46 USD |
46 USD
|
1 day | 8 Feb |