23 Best Functional Programming SOLID Design Principle Freelance Contractor Developers For Hire In October 2025

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Featured Functional Programming SOLID Design Principle Freelance Contractor Developers

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Senior Full Stack Developer

Madison, Wisconsin, US or remote

True end-to-end developer with strong frontend, backend, and devops chops. 11+ years working with clients such as Yale University, UW, NWF, The...

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Senior Software Engineer

Boston, Massachusetts, US or remote

I worked with an early stage crypto token startup on finishing and launching their MVP after the existing developer left the project. I joined an...

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Full Stack Engineer

Port Orchard, Washington, US or remote

Senior Full Stack Engineer and Computer Science degree based in Port Orchard, WA, US. I have over 7 years of experience in Full Stack JS development,...

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⭐ Lead Front-End Developer (React JavaScript / TypeScript) 💻

London, United Kingdom or remote

I am an independent and ambitious full-stack JavaScript/TypeScript developer with over 12 years of commercial experience. I have successfully...

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FullStack - React / TypeScript / C#

London, United Kingdom or remote

# Arteasy - Full Stack Developer (Feb 2023 - Nov 2023 · 10 mos) - The character customization feature based on the elements chosen by the user is...

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Frontend / Mobile Engineer

Teresina, Piauí, Brazil or remote

At Loft I was working at startup Nomah, and I'm involved in building three front-end applications. A website for lead and guest acquisition channel,...

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Staff Software Developer

Calgary, AB, Canada or remote

- Opensourcer from last 14 years, shepherding various projects. - Staff @Gusto, building gusto.com - Staff @AppDirect, building physical commerce....

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Full Stack Developer

Marietta, US or remote

Esports Analytical Platform (Rib.gg): Developed a dynamic, user-friendly educational platform using React and Next.js, integrating with a headless...

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Full-Stack Developer

Montevideo, Montevideo, Uruguay or remote

Uruguay-based Full-stack Web Developer and old-school JavaScript coder with 10+ years of experience. Able to work in multiple programming languages...

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Full Stack Engineer

Orem, Utah, US or remote

FiveStrata - IT Operations Specialist - FiveStrata IT and Development, Nov. 2021 - Nov. 2022 Design and develop new projects, engaging directly...

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Frontend Software Engineer

CABA, CABA, Argentina Republic or remote

#section[About Me] #descript[Senior Frontend Engineer focused on building creative, detail-oriented web apps designed for seamless experiences...

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Senior Backend Engineer | Tech Lead

Rio de Janeiro, RJ, Brazil or remote

Passionate Software Engineer with 12+ years of experience working in big companies and...

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Software Engineer

Brusque, Brazil or remote

Work experience with Full-stack, Back-end and Front-end projects: - Work experience with React.js (Web apps, Dashboards); - Work experience with...

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Fullstack Web Application Developer

St. John's, NL, Canada or remote

Seasoned software professional with a passion for applying the Unix philosophy and SOLID design principles to distributed systems in order to solve...

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Front-end / Mobile / Back-end Software Developer

Jalandhar, Punjab, India or remote

I've been working in development for almost 5 years with a primary focus on front-end technologies. I have done back-end, app development, and full...

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Web Developer

Everett, Washington, US or remote

I am looking for new projects to expand my skill set and experience. Some of my current projects include. Task Smasher- Task/Notes/Priority App -...

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Full Stack Developer

Kutaisi, Imereti, Georgia or remote

Freelance Developer (Current) Projects: IconGeneratorAI: Built a solo project for generating AI-based icons. Used various AI APIs for art...

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Software Developer

Tangerang Selatan, Banten, Indonesia or remote

Software Engineer (2021- current) • Developed features related to user access management, user registration, activation flow, and non-individual...

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Full Stack Developer

Rabat, Rabat, Morocco or remote

🏢 ReWeb Agency - Internship - Role: Full Stack Web Developer - Achievement: Successfully migrated an Excel application to a web platform using...

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Senior Full stack developer

Lahore, Pakistan or remote

EXPERIENCE COMPANY :Strategic Systems International LHR, PK TITLE: Senior Software Engineer DURATION: March 2022 – Present ● Increased...

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