You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Gilbert ZamfiroiuGZ

Gilbert Zamfiroiu

Fullstack Senior Developer and Tech Lead

€125/day
Iași, RO
15+ years

Average response time: 1 hour

About Gilbert

Experienced Software Engineer and Solutions Architect with 17+ years of building scalable systems, leading distributed teams, and modernizing legacy platforms into clean, maintainable architectures.

> Core expertise:
• .NET Core, C#, React, TypeScript
• Azure & AWS
• Microservices, API design, event-driven systems
• DevOps practices and pragmatic CI/CD pipelines

> What I bring:
• Experience leading teams and projects from concept to production
• Strong architectural mindset: decomposing monoliths, enabling scalability
• Passion for AI integration into real-world tools (see HomeSmartify.ro)

> Open to:
• Remote B2B contract roles: EU & Global
• Remote Individual Employment Contracts - Romania
• Senior Engineering, Architecture, or Tech Lead responsibilities

Besides leading engineering efforts in complex enterprise environments, I’m passionate about building pragmatic full-stack solutions and integrating AI into real-world tools, as proven by my work on HomeSmartify.ro
  • Romanian

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • HomeSmartify.ro
    Fullstack Senior Developer
    February 2025 - Today (1 year and 4 months)
    Built a smart home automation services platform using Node.js, React, Supabase, and AI-powered assistant via RAG pipeline with semantic cache. Designed full-stack architecture with layered architecture, secure auth (OAuth + CSRF), and token efficient LLM integration. Live at: https://homesmartify.ro
  • Cognizant
    Team Lead
    October 2021 - November 2022 (1 year and 1 month)
    I led the offshore team's technical activities, focusing on designing and building backend solutions with ASP.NET and .NET Core for a Fintech application. My responsibilities included guiding the team in code quality through reviews, communicating with clients to understand and meet their needs, solving complex technical issues, writing technical documentation, and developing proof of concept applications to test new technologies or approaches.
  • Cognizant
    Senior Software Engineer
    October 2020 - October 2021 (1 year)
    In my role as a Senior Software Engineer, I worked on developing reliable solutions using .NET/C# and MS SQL. I focused on backend development and database management, helping improve the project's performance and scalability by extracting new APIs from the monolith application.

Recommendations

Be the first to recommend Gilbert

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • University of Iasi
    2005
  • High School Diploma
    National College "Gh. Roșca Codreanu"
    2001
    High School Diploma

Categories