Freelance Full-Stack Web App Developer
New
M
MindriftAI Technologies
Sweden. Denmark. Finland. NorwayContractMiddle
SalaryUp to $60 per hour equivalent
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Job Details
- Languages
- English proficiency: Upper-intermediate (B2) or above
- Experience
- At least 3 years of relevant experience
- Required Skills
- Node.jsPostgreSQLPythonGitJavascriptTypeScriptFastAPINext.jsReactRESTful APIs
Requirements
- At least 3 years of relevant experience in full-stack web development or shipping interactive web applications.
- Strong command of JavaScript/TypeScript and at least one modern frontend framework (React, Next.js, Vue, Svelte).
- Solid backend experience in Python (FastAPI, Flask, Django) and/or Node.js (Express, NestJS).
- Hands-on experience with relational databases (PostgreSQL, MySQL, SQLite) and schema design.
- Experience implementing REST APIs, request validation, error handling, and authentication flows.
- Familiarity with deployment platforms such as Vercel, Netlify, Render, or Fly.io.
- Comfortable with version control (Git) and testing practices.
- Portfolio of shipped web applications.
- Upper-intermediate (B2) or above English proficiency.
Responsibilities
- Build interactive web applications with frontend (React, Next.js, Vue) and a backend API (Python/FastAPI/Flask or Node/Express).
- Design and implement data models, schemas, and persistence layers using SQL or NoSQL stores.
- Implement authentication, sessions, and basic role-based access control.
- Integrate third-party APIs and AI/LLM services into product features.
- Handle state management, user input validation, error states, and loading states.
- Build standalone Python tools and scripts for data processing or utility purposes.
- Review, debug, optimize, and refactor applications to improve performance and maintainability.
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