Freelance Software & Tech Jobs in Spain
Discover verified remote software engineering contracts, AI development projects, and technical freelance opportunities in Spain. Work with top startups and global enterprises with guaranteed milestone escrow protection in EUR and instant crypto payouts.
Available Contracts for Spain Freelancers
Live freelance contracts accepting bids with secured milestone funding.
Full-Stack Web Development Intern (Next.js & TypeScript)
Build fast, responsive web applications using Next.js 15, TypeScript, React 19, and Tailwind CSS. Final stipend is based on practical code review and skill tier.
Python Backend & AI Engineering Intern
Build Python FastAPI microservices, automated LLM prompt workflows, and RAG pipelines using LangChain, Vector databases, and Celery task workers.
Cyber Security & Ethical Hacking Intern
Perform web application vulnerability assessments, OWASP Top 10 testing, API rate-limiting audits, and cryptographic escrow contract security reviews.
Digital Marketing & Growth Hacking Intern
Drive organic and paid user acquisition for BotDigit. Run technical SEO sprints, Meta/Google PPC ad campaigns, social growth, and developer content marketing.
Rust Microservices & Distributed Systems Intern
Develop low-latency microservices in Axum, async event queues with Tokio, and benchmark high-throughput escrow state machines.
UI/UX & Product Design Systems Intern
Create modern Figma component sets, dark/light mode themes, clickable prototypes, and design tokens for Next.js web and mobile applications.
Hire Vetted Remote Developers in Spain
Explore dedicated talent pages by technical stack for developers based in Spain.
Local EUR Withdrawals
Seamlessly withdraw freelance earnings to local banks in Spain in Euro (EUR) with automated settlement.
Escrow Milestone Protection
Work with total peace of mind. Clients fund contracts before start, ensuring your time and code are 100% financially backed.
Instant USDT & USDC Payouts
Zero waiting times. Receive payments anywhere in Spain using borderless crypto stablecoins with low gas fees.