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Backend Developer | Node.js & System Architecture Specialist

Location: Chishinau, Moldova

PROFESSIONAL SUMMARY

Backend developer with 6+ years building scalable server-side applications and microservices. Specialized in Node.js, TypeScript, C#.NET with expertise in REST APIs, databases, and cloud infrastructure. Proven track record in fintech, e-commerce, and enterprise solutions.

TECHNICAL SKILLS

• Backend: Node.js (5+ years), Express, NestJS, TypeScript (4+ years), JavaScript ES6+ (5+ years), C#/.NET (6 years), Python, REST APIs, GraphQL, WebSockets, Microservices
• Databases: MongoDB (5+ years), PostgreSQL (4+ years), MySQL, SQL Server, Redis, Prisma ORM, TypeORM
• Cloud & DevOps: AWS (2 years), Azure, Docker (4+ years), Kubernetes, CI/CD, Git
• Frontend: React, Redux, Material-UI, Tailwind CSS
• Other: System Architecture, Team Leadership, Agile/Scrum, Technical Documentation

PROFESSIONAL EXPERIENCE

East-West Innovations - Founder & Backend Developer

Chishinau, Moldova | 2023 - Present
Founded IT agency with unique arbitrage business model - acquiring high-value projects from Western European clients while building talented development team from Eastern Europe. Led full backend development cycle for CRM systems, automation tools, and web applications using Node.js microservices architecture.

• Achieved 60% cost optimization through strategic geographical arbitrage model
• Designed and deployed microservices architecture with 99.9% uptime
• Managed team of 5 developers, established CI/CD pipelines reducing deployment time by 70%
  Stack: Node.js, Express, TypeScript, MongoDB, Redis, Docker, AWS

Credora.me - Backend Developer

Chishinau, Moldova | 2024 2025
Developed backend infrastructure for faith-based mobile application serving Christian community worldwide. Built RESTful APIs, real-time communication systems, and content management services for prayer requests, scripture sharing, and spiritual content delivery.

• Implemented WebSocket infrastructure supporting 1000+ concurrent prayer sessions
• Optimized database queries reducing API response time by 75% (from 800ms to 120ms)
• Built moderation system processing 5000+ daily user-generated spiritual testimonies
  Stack: Node.js, TypeScript, Express, PostgreSQL, Redis, WebSocket, Docker, AWS

Hot Software - Backend FinTech Developer

Chishinau, Moldova | 2023 - 2025
Developed backend services for fintech platform handling payment processing, transaction management, and financial analytics. Built integrations with major payment providers and implemented comprehensive audit logging for regulatory compliance.

• Processed 50,000+ monthly transactions worth $1M+ with zero payment failures
• Implemented audit logging system ensuring 100% regulatory compliance
• Configured Kubernetes auto-scaling reducing infrastructure costs by 40%
  Stack: Node.js, TypeScript, Express, PostgreSQL, AWS, Kubernetes, Docker

Econe.md - Backend Developer

Chishinau, Moldova | 2022 - 2023
Built backend infrastructure for food industry e-commerce platform connecting producers, distributors, and retailers across Moldova. Developed order processing system with inventory management, integrated payment gateways and logistics providers.

• Implemented FIFO inventory system with expiration tracking reducing food waste by 35%
• Integrated 5+ payment gateways and shipping providers via REST APIs
• Deployed scalable Azure infrastructure handling 100,000+ monthly orders
  Stack: C#/.NET, SQL Server, Azure, REST APIs

Self-Employed - Freelance Backend Developer

Remote | 2019 - 2024
Delivered diverse backend solutions for clients across Europe and USA including REST APIs, automation bots, webhook integrations, and custom business logic. Specialized in rapid MVP development and database architecture design.

• Built Telegram/Discord bots serving 50,000+ users with 99.5% uptime
• Delivered 20+ production-ready MVPs in 2-3 week sprints for startup validation
• Architected database schemas achieving 60% query performance improvement
  Stack: Node.js, Express, Python, MongoDB, PostgreSQL, Firebase

EDUCATION

• Technical University of Moldova (UTM)
  Bachelor degree, Information Technology | 2021 - Present

Training: Backend Development with Node.js (2022), Cloud & AWS (2021), Advanced JavaScript (2020)

MENTORING

• Mentor junior backend developers in API design, database optimization, and system architecture through code reviews and pair programming.

LANGUAGES

• Russian Native | Romanian - B1 | Ukrainian - B1 | English - B1

Language levels:

• Russian (5/5)
• Romanian (3/5)
• Ukrainian (3/5)
• English (3/5)