Search current Tiempo parcial web developer trainee jobs, vacancies, and employment in España on Jobeax. 60 Tiempo parcial web developer trainee jobs in España.
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Up to US$43,750 a year
About the role Mindrift is looking for skilled Full-Stack Web App Developers (JavaScript/TypeScript + Python or Node) to join the Tendem project (https://jobeax.com/link/8XcmRrwPXUDcd45b) and build interactive browser-based applications for real-world use cases. In this role, you'll apply your full-stack engineering expertise ...
Spain
Up to US$87,500 a year
About the role Mindrift is looking for skilled Full-Stack Web App Developers (JavaScript/TypeScript + Python or Node) to join the Tendem project (https://jobeax.com/link/8XcmRrwPXUDcd45b) and build interactive browser-based applications for real-world use cases. In this role, you'll apply your full-stack engineering expertise ...
Spain
Up to US$13 an hour
What you'll get Paid per accepted task. Your rate depends on the qualification tier you reach and how efficiently you complete tasks - up to the equivalent of $13/hr . Because payment is per task, a faster pace raises your effective hourly rate. Keep in mind, quality standards must be maintained, regardless of speed.
Spain
Up to US$13 an hour
Original Advert Please submit your resume in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment.
Spain
Up to US$13 an hour
What you'll get Paid per accepted task. Your rate depends on the qualification tier you reach and how efficiently you complete tasks - up to the equivalent of $13/hr . Because payment is per task, a faster pace raises your effective hourly rate. Keep in mind, quality standards must be maintained, regardless of speed.
Spain
Up to US$13 an hour
Original Advert Please submit your resume in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment.
Spain
Anyone AI
US$40 an hour
About the role We create high-quality STEM training data for frontier AI models used by leading AI labs to improve model reasoning in scientific domains. We are seeking experts in Biology to create challenging, deterministic problems with exactly one verifiable correct answer.
Spain
Up to US$90 an hour
About the role We're building competitive-programming problems and their automatic graders (test cases + checkers) used to train advanced AI coding models. You'll create problems, write both correct and deliberately-wrong solutions, and design the tough test cases that catch subtly-broken code.
Spain
Mindrift
Up to US$35,000 a year
... spacing, and modern design trends. - Developer Handoff: Solid understanding of how to prepare, spec, and package digital assets for efficient implementation via developers or no-code platforms (e.g., Webflow, Framer). - Cross-Platform Consistency: Ability to seamlessly translate core brand aesthetics across varying touchpoints, ...
Spain
Grupo Planeta
About the role From Planeta DeAgostini we are looking for a student to carry out internships in Web Analytics and CRO. You will join our digital team within the CRO & Web Analytics area. If you are a curious, analytical, proactive person with a desire to learn about digital measurement, data, and web optimization, we want ...
Spain, Barcelona
FARMACIA VALENZUELA
€12k EUR - €16k EUR
... mantener y hacer crecer nuestras webs y canales digitales. No buscamos un diseñador web ni un community manager. Buscamos una persona que pueda programar una web moderna de alto rendimiento y después responsabilizarse de SEO, Google Ads, analítica, CRO y redes sociales. STACK TECNOLÓGICO La nueva web NO se desarrollará ...
Spain, Llinás
Up to US$43,750 a year
... user experience. This part-time remote opportunity is ideal for professionals with hands-on experience building messaging bots, working with platform APIs and webhooks, and implementing conversational logic. This is a freelance role for a Tendem project. As a Bot Developer, you'll design, build, and refine messaging bots ...
Spain
Up to US$43,750 a year
About the role Mindrift is looking for skilled Mobile App Developers (React Native, Flutter, Swift, or Kotlin) to join the Tendem project (https://jobeax.com/link/8XcmRrwPXUDcd45b) and build native and cross-platform mobile applications for real-world use cases. In this role, you'll apply your mobile engineering expertise ...
Spain
Up to US$43,750 a year
About the role Mindrift is looking for skilled Mobile App Developers (React Native, Flutter, Swift, or Kotlin) to join the Tendem project (https://jobeax.com/link/8XcmRrwPXUDcd45b) and build native and cross-platform mobile applications for real-world use cases. In this role, you'll apply your mobile engineering expertise ...
Spain
Up to US$87,500 a year
About the role Mindrift is looking for skilled Mobile App Developers (React Native, Flutter, Swift, or Kotlin) to join the Tendem project (https://jobeax.com/link/8XcmRrwPXUDcd45b) and build native and cross-platform mobile applications for real-world use cases. In this role, you'll apply your mobile engineering expertise ...
Spain
About the role Product Designer Trainees at North work across boundaries, owning all design aspects of entire projects throughout research to user experience and visual design. They are deeply user-centered, and enjoy spending time understanding user needs and business goals as much as crafting a creative solution. What ...
Spain, Barcelona
Mindrift is seeking a freelance Bot Developer (AI Pilot) to design, build and refine messaging bots for WhatsApp, Telegram, Discord, Slack and similar platforms. You will work on Tendem projects, integrating with backend services, APIs, and LLMs, and ensuring reliable, user-friendly experiences. This part-time remote role ...
Spain, España
... Experience in scaled environments with multiple teams and modules - Contributions to large‑scale iOS projects with complex codebases - Development of hybrid or web‑based apps using modern technologies - Problem‑solving across tech stacks and systems What we offer - Long‑term collaboration on a high‑visibility digital product ...
Spain, Barcelona
€31,500 a year
About the role This is a remote position. This is a remote job position. Kleinson is a training consultancy specializing in language classes for companies, as well as other language services. Currently, we are actively seeking for classes that can start in September.
Spain, Madrid
Toloka Annotators
Up to US$29,750 a year
About the role Please submit your resume in English and indicate your level of English. At Toloka, we connect smart, curious people from around the world with freelance online tasks that train and improve artificial intelligence.
Spain