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I am a Junior Fullstack Developer with hands-on experience developing modern web applications using React ecosystem on the frontend and Nest.js with PostgreSQL on the backend. Proficient in building scalable, testable applications with emphasis on clean code and performance optimization. Skilled in implementing JWT authentication, E2E testing, and cloud deployments using AWS. Experienced in collaborative environments with version control and CI/CD pipelines. With 9 years of professional experience in the U.S., I bring strong problem-solving abilities and commitment to staying current with industry best practices.…I am a Junior Fullstack Developer with hands-on experience developing modern web applications using React ecosystem on the frontend and Nest.js with PostgreSQL on the backend. Proficient in building scalable, testable applications with emphasis on clean code and performance optimization. Skilled in implementing JWT authentication, E2E testing, and cloud deployments using AWS. Experienced in collaborative environments with version control and CI/CD pipelines. With 9 years of professional experience in the U.S., I bring strong problem-solving abilities and commitment to staying current with industry best practices.

Marcin Garski

Full Stack Developer, Front-End Developer, Back-End Developer, +2

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I am a Junior Fullstack Developer with hands-on experience developing modern web applications using React ecosystem on the frontend and Nest.js with PostgreSQL on the backend. Proficient in building scalable, testable applications with emphasis on clean code and performance optimization. Skilled in implementing JWT authentication, E2E testing, and cloud deployments using AWS. Experienced in collaborative environments with version control and CI/CD pipelines. With 9 years of professional experience in the U.S., I bring strong problem-solving abilities and commitment to staying current with industry best practices.…I am a Junior Fullstack Developer with hands-on experience developing modern web applications using React ecosystem on the frontend and Nest.js with PostgreSQL on the backend. Proficient in building scalable, testable applications with emphasis on clean code and performance optimization. Skilled in implementing JWT authentication, E2E testing, and cloud deployments using AWS. Experienced in collaborative environments with version control and CI/CD pipelines. With 9 years of professional experience in the U.S., I bring strong problem-solving abilities and commitment to staying current with industry best practices.

Available to hire

I am a Junior Fullstack Developer with hands-on experience developing modern web
applications using React ecosystem on the frontend and Nest.js with PostgreSQL on the
backend. Proficient in building scalable, testable applications with emphasis on clean
code and performance optimization. Skilled in implementing JWT authentication, E2E
testing, and cloud deployments using AWS. Experienced in collaborative environments
with version control and CI/CD pipelines. With 9 years of professional experience in the
U.S., I bring strong problem-solving abilities and commitment to staying current with industry best practices.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Polish

Fluent

English

Advanced

Work Experience

Fullstack Developer at MIG Construction & Constr Acion App

August 1, 2024 - November 3, 2025

Developed and maintained web applications using React, TypeScript, Next.js and Tailwind on the frontend; built scalable APIs with Nest.js and PostgreSQL; implemented database operations with TypeORM including filtering, sorting and custom queries; managed AWS cloud infrastructure (Cognito, Lambda, App Runner, Amplify, S3, SES); wrote comprehensive End-to-End tests; integrated AI/LLM solutions; led full-cycle feature development from database design to API and frontend implementation.

E-commerce Specialist at A&J Vacuum Services Inc.

May 31, 2024 - May 31, 2024

Optimized daily e-commerce operations, including content creation, SEO, and product listings; enhanced Google ranking and user engagement; collaborated with teams to ensure updated content and monitor product performance.

Machine Operator at Precision Custom Coatings

May 31, 2019 - May 31, 2019

Operated and maintained custom coating machinery, ensuring quality control and customer satisfaction; adjusted processes to meet specifications and safety policies.

Call Center Operator at Solid Security

May 31, 2015 - May 31, 2015

Managed outbound calls for alarm activation notifications; handled customer inquiries and maintained high service standards.