Freelance Full-Stack Web App Developer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Freelance Full-Stack Web App Developer based in Canada.

Join a forward-thinking technology environment where you will build interactive, real-world web applications that combine modern frontend experiences with robust backend systems. This freelance opportunity is designed for experienced full-stack developers who enjoy owning projects from concept to deployment. You will contribute to innovative AI and technology initiatives by creating functional applications used across diverse scenarios. The role offers the flexibility of remote work while allowing you to apply your expertise in JavaScript, TypeScript, Python, APIs, databases, and cloud technologies. You will collaborate with a global network of specialists and help shape high-quality digital products through hands-on engineering. If you enjoy solving complex technical challenges, building scalable solutions, and working independently, this opportunity provides meaningful impact and flexibility.

Accountabilities:: As a Full-Stack Web App Developer, you will design, develop, and optimize browser-based applications and supporting tools while ensuring high-quality user experiences and reliable technical performance. You will work independently across frontend, backend, databases, and integrations to deliver complete solutions.

Build interactive web applications using modern frontend frameworks such as React, Next.js, Vue, Svelte, or similar technologies, combined with backend APIs built with Python or Node.js.

Design and implement application architecture, including data models, schemas, persistence layers, and database integrations using SQL or NoSQL solutions.

Develop secure application features including authentication, sessions, role-based access controls, and user input validation.

Integrate third-party APIs and AI/LLM services into applications to enhance functionality and user experiences.

Create standalone Python tools, scripts, and backend utilities for data processing and application support when required.

Debug, optimize, refactor, and improve existing applications to enhance performance, security, reliability, and maintainability.

Write clean, testable, and well-structured code while troubleshooting issues across frontend, backend, and database layers.

Independently manage assigned development tasks, from architecture decisions through implementation and delivery.

Requirements:

The ideal candidate is an experienced full-stack developer with strong technical foundations, a problem-solving mindset, and the ability to independently deliver complete web applications. You should be comfortable working across multiple technologies and building production-ready solutions.

At least 3 years of professional experience in full-stack web development or building interactive web applications.

Bachelor’s or Master’s degree in Computer Science, Engineering, Information Technology, or a related technical field is a plus.

Strong proficiency in JavaScript and TypeScript with hands-on experience using modern frontend frameworks such as React, Next.js, Vue, or similar.

Solid backend development experience with Python frameworks (FastAPI, Flask, Django) and/or Node.js frameworks (Express, NestJS).

Experience designing and working with relational databases such as PostgreSQL, MySQL, or SQLite, including schema design.

Strong understanding of REST APIs, request validation, authentication flows, and backend architecture.

Familiarity with deployment platforms such as Vercel, Netlify, Render, Railway, or similar services.

Experience integrating AI services, LLM APIs, or automation tools into applications is highly valued.

Comfortable using Git, version control workflows, and basic testing practices.

Strong attention to detail with a focus on building reliable products rather than prototypes.

Ability to work independently, prioritize tasks, and deliver solutions with minimal supervision.

Portfolio showcasing shipped web applications is required.

English proficiency at an upper-intermediate level (B2) or above.

Benefits:

Fully remote freelance opportunity with flexible working hours and the ability to work from anywhere with a reliable internet connection.

Estimated workload of approximately 10–20 hours per week during active project phases.

Compensation of up to $60/hour equivalent , depending on expertise, contribution level, and project requirements.

Opportunity to contribute to real-world technology projects and gain experience building advanced digital solutions.

Exposure to innovative AI-focused initiatives and collaboration with a global community of specialists.

Performance-based bonus opportunities rewarding high-quality delivery and consistent contributions.

Flexibility to manage your own schedule while working on meaningful technical challenges.

How Jobgether works: We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best!  Why Apply Through Jobgether?    Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.     #LI-CL1