Trabajo freelance junior en Barcelona

Freelance Senior OR Junior Full Stack Developer – React / Next.js / Node.js – BarcelonaYou will collaborate closely with the Tech Lead, Product Owner, UX Designer, and Data team to design, develop, and deliver high-quality features within an agile environment.ResponsibilitiesDevelop and maintain complex, data-heavy user interfaces using React and Next.jsBuild and optimise reusable components and...

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 isproject-based, not permanent employment.What This Opportunity InvolvesAs an AI Trainer - Junior Linguist, your work will help train AI models,...

Overview We are looking for a Senior Java Backend Engineer to join a long-term freelance project in Barcelona (hybrid: 3 days onsite, 2 remote).This role is part of a strategic transformation initiative in the financial sector, modernizing data management systems with cloud-native technologies and agile methodologies.Responsibilities Build and optimize back-end services with Java 8+/11/21, Spring...

IQVIA HCPN has an exciting position in Spain for an exciting freelance CRA. Basic Functions: Participates in the preparation and execution of Phase I-IV clinical trials. Oversees the progress of clinical investigations by conducting site evaluation, initiation, and interim close out visits to sites. Monitors clinical trials in accordance with Good Clinical Practices and procedures set forth by...

Hays is collaborating with one of the world's leading insurers and asset managers with more than 100 million private and corporate customers in more than 70 countries. They are the Worldwide Insurance Partner of the Olympic & Paralympic Movements from **** until **** and to be recognized as one of the industry leaders in the Dow Jones Sustainability Index.No espere a enviar su solicitud después...

Basic Functions Participates in the preparation and execution of Phase I‑IV clinical trials. Oversees the progress of clinical investigations by conducting site evaluation, initiation, and interim close‑out visits to sites. Monitors clinical trials in accordance with Good Clinical Practices and procedures set forth by IQVIA Biotech and sponsors. Works closely with the Clinical Trial Manager...

Senovo IT está buscando Cloud Engineers con IA para unirse a su equipo. La posición ofrece trabajo 100% remoto desde España y se adapta a varios niveles de experiencia, incluyendo Junior, Mid-Level y Senior. Los candidatos trabajarán en la implementación y gestión de soluciones Cloud en plataformas líderes como Azure, AWS y Google Cloud.Los responsables de este rol diseñarán y administrarán...

Abogado/a para el área de Fiscal (Madrid) Abogado/a. ·Delegación de Andalucía Oriental· Abogado/a Junior Fiscal Impuestos Indirectos - Barcelona GESTOR/A ABOGADO FISCALIDAD CRIPTO-ACTIVOS & FINANCIERA (MAD) GESTOR/A ABOGADO DE ACTIVOS DIGITALES (MAD) Abogado Especialista en Extranjería (Freelance) Abogado Fiscalista Externo Especialista en Personas Físicas (Freelance) Abogado/da mercantilista...

About Kyra Kyra is an enterprise influencer marketing platform working with brands like SharkNinja, Coach, H&M, Ray-Ban, and Converse. Our platform manages the full lifecycle — creator discovery, campaign management, content review, payments, analytics, and AI-powered intelligence across TikTok, Instagram, and YouTube. Location: Remote Engagement: Freelance contract Contract: Fixed-Term (6...

Huntify está buscando un Junior DBA Oracle / SQL Server para unirse a su equipo en Cataluña. La persona seleccionada dará soporte a bases de datos y trabajará en un entorno estable y profesional. ¿Le interesa este puesto? Puede encontrar toda la información relevante en la descripción a continuación. Se requiere entre 1 y 2 años de experiencia en administración de bases de datos y conocimientos...

ph3Job Description /h3pWe are looking for a motivated and creative Junior Digital Designer to join our fast-paced iGaming company. This is a great opportunity for someone early in their career who is passionate about digital design and eager to grow within a fast-paced, international environment. /ppYou will contribute to digital campaigns for a integral brand, gaining hands?on experience across...

Buscamos personas interesadas en el entorno digital para colaborar como Junior Digital Marketing Assistant en modalidad freelance. El rol está orientado al apoyo en actividades básicas relacionadas con el uso de plataformas digitales y redes sociales, sin requerir experiencia previa, ya que se brinda acompañamiento y orientación inicial.El trabajo se realiza de forma remota, formando parte de un...

Junior Full Stack Developer needed to develop React UI components and integrate APIs. 3-month contract, hybrid work from Barcelona.

Publicit is the first European platform that enables brands to launch advertising campaigns across traditional and digital media (TV, outdoor, radio, press, and online) simultaneously — and in just minutes. We automate the entire process of buying and managing advertising space from a single platform, which already features over 300 available media outlets. Additionally, we offer event...

2 days ago Be among the first 25 applicantsGet AI-powered advice on this job and more exclusive features.Are you ready to unleash your potential? We're on the lookout for driven individuals who thrive on setting ambitious goals, taking ownership, and working with a relentless sense of urgency to achieve remarkable results.NO EGO:Our company embraces a culture of humility at all levels. We value...

Senior Full Stack Engineer (.NET and Vue) Join to apply for the Senior Full Stack Engineer (.NET and Vue) role at LanguageWireSenior Full Stack Engineer (.NET and Vue) 1 week ago Be among the first 25 applicantsJoin to apply for the Senior Full Stack Engineer (.NET and Vue) role at LanguageWireGet AI-powered advice on this job and more exclusive features.LanguageWire is a global leader in...

SmartAssets is on the lookout for an experienced and innovative Lead AI Engineer to join our dynamic team. In this role, you will take a leadership position in developing and optimizing AI-driven features, guiding junior engineers, and ensuring the robustness and scalability of our AI solutions. You will play a pivotal role in shaping our platform's future by leading new projects and enhancing...

We’re hiring a UX/UI Designer Intern to join one of our app squads — alongside a Product Owner, Developers, and Analysts — to design user experiences that are as beautiful as they are effective. You’ll work on real product features, not mockups. You’ll help design, test, and ship experiences that impact activation, retention, and monetization — blending creativity, usability, and growth...

Freelance Full Stack Developer to build and maintain web platform using React, Next.Js, and Node.Js. Requires 3-5+ years of experience. Hybrid work from Barcelona.

A leading recruitment agency is seeking a Freelance Senior or Junior Full Stack Developer in Barcelona. The role requires strong skills in React.js, Next.js, and Node.js. The developer will work in a hybrid environment, contributing to high-quality features in collaboration with cross-functional teams. Candidates should have 3-5+ years of experience and strong communication skills in English....