Showing 144 Contract Jobs in Spain
Senior Cybersecurity Consultant ENSSopra SteriaL'Hospitalet de Llobregat, SpainContractWe are looking for a Senior Cybersecurity Consultant specialized in ENS to join strategic projects of adaptation, implementation and certification of the National Security Scheme in Public Administration environments and1 month ago
AI Training Contributor - Spanish (Spain) - Remotelilt-productionSpain (Remote)ContractWe are seeking detail-oriented human reviewers with a strong understanding of their local cultural context to support a range of AI training and evaluation projects. Role Summary We are seeking detail-oriented human revi3 months ago- AI Benchmark Engineer | Native Language Specialist - Spanish - Remotelilt-productionSpain (Remote)ContractWe are seeking experienced native-speaking software engineers to design, build, and validate these benchmarks. You will create high-signal, high-quality tasks that genuinely test a model's ability to handle multilingual7 months ago
Full-Stack Developer - AI Trainer (Spain)anyone-aiSpain$45 – $80 per hourContractAnyone AI is recruiting skilled Full-Stack Developers to work on a project with a leading AI lab. Role Summary Anyone AI is recruiting skilled Full-Stack Developers to work on a project with a leading AI lab. Expected Ou2 months ago- Software Engineering AI Trainer (Spain)anyone-aiSpain$45 – $80 per hourContractAnyone AI is recruiting skilled software engineers to work on a project with a leading AI lab. Role Summary Anyone AI is recruiting skilled software engineers to work on a project with a leading AI lab. Expected Outcomes4 months ago
- Mathematics Expert (Spain)anyone-aiSpain$40 per hourContractWe are looking for experts in Mathematics to design rigorous, deterministic problems that are genuinely challenging for state-of-the-art AI systems. Role Summary Help shape the future of AI by designing challenging math3 months ago
Researcher/Scientist - AI Trainer - Freelance - 8-20 hrs/week - Remote10xteamSpain€30 – €40 per hourContract10x Team is looking for Freelance Science/Bio/Health/Aviation Researchers & Scientists – AI Trainers. Role Summary Updated: 07 July 2026 Freelance | 8–20 hrs/week | Remote (EU/UK) Leverage your academic PhD or undergradu3 months ago
Frequently Asked Questions
Answers about how these listings work, applying, salary, and tailoring your resume
Every day. HireNudge pulls roles from company career pages and the major boards continuously, so a search you ran in the morning usually has new results by the evening. Roles that have been filled drop off the same way, which is why the count on this page moves.
That is the employer's call, not HireNudge's. Every listing keeps the employer's own location and work-model wording, so open the role and read it before you spend an evening on the application - some teams hire anywhere in the region, others need you onsite from day one, and a few will talk about relocation if you ask.
Yes, a free account. Sign up or log in, and the role is saved to your Job Matcher. Apply Now there opens the employer's own application form and tracks your application. Every listing on this page is readable without signing in.
Yes. Resume Studio rewrites your resume against a job description you give it, scores the match, and names the gaps it found - so you fix them before the application goes out rather than wondering afterwards why it went quiet.
Because the employer did not publish one. Where a range is advertised it is shown exactly as advertised, and where it is not, HireNudge leaves the field empty rather than estimating a number you would then negotiate against.
About Contract jobs in Spain on HireNudge
This page collects Contract jobs in Spain that HireNudge found on company career pages and the major job boards, and it is rebuilt through the day as employers post and fill roles. Each listing keeps the employer's own wording for the title, the location and the work model, so what you read here is what the hiring team wrote.
Use the filter bar above to cut the list down before you start reading: experience, job type and industry do most of the work, and the search box takes a role and a place together. Where an employer published a salary range it is shown exactly as published, and where one was not, the field is left empty rather than estimated.
To apply, sign up or log in with a free HireNudge account: the role is saved to your Job Matcher, and Apply Now there opens the employer's own form and tracks the application. The same account lets you save a role for later, follow each application through its stages, and generate a resume written against one specific listing before you send it.