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Kuenzang Sangay

@kuenzangsangay1

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Lead backend developer specializing in Node.js, APIs, and performant web systems.

Bhutan

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What I'm looking for

I seek backend or full-stack roles where I can lead backend architecture, build secure APIs, optimize performance, collaborate with cross-functional teams, and grow into technical leadership within an impact-focused organization.

I am a lead backend developer with proven experience delivering secure, performant web applications on time and within budget.

I have led multiple projects from design through deployment using Node.js, Express, MongoDB and React, establishing coding standards and Agile practices to improve team productivity.

My work includes building RESTful APIs, role-based authentication, performance optimization, and admin dashboards with real-time analytics for clients including a national government office and Bank of Bhutan.

I communicate complex technical concepts clearly, prioritize security and user experience, and collaborate closely with frontend teams and stakeholders to produce reliable, maintainable solutions.

Experience

Work history, roles, and key accomplishments

Lead Backend Developer

Prime Minister’s Office

Jan 2025 - Jun 2025 (5 months)

Developed the official backend for the Prime Minister’s Office, creating RESTful APIs, role-based access, and deployment with SSL, improving content management and citizen engagement workflows.

Express MongoDB REST APIs Authentication Deployment SSL Performance Monitoring

Lead Developer

Dungkar Estate

Dec 2024 - Jan 2025 (1 month)

Designed and developed an online property management and booking system with backend services and an admin dashboard to manage appointments, client activity, and property availability securely.

Express MongoDB Authentication Dashboards

Lead Developer

Bank of Bhutan

Aug 2024 - Nov 2024 (3 months)

Led development of an online appointment booking platform, building backend services and secure APIs that streamlined branch visits and provided real-time administrative analytics.

Express MongoDB REST APIs

Lead Developer

GCIT

Jul 2022 - Jun 2024 (1 year 11 months)

Led design, implementation, and testing of multiple applications (Tic Tac Toe, Cropick, Job Application Filtering System), establishing coding standards and reducing load times through refactoring and rigorous QA.