Empleos de contract python developer en Barcelona

Develop and optimize APIs for AI training, focusing on data validation, security, and database management. Test AI models, provide feedback, and collaborate with a research team in a remote setting.

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If you're looking for a place to grow, make an...

A quick note about the role: Since 2026, Xplicity has been part of the Present Connection group, bringing our teams and technology communities closer together and creating more opportunities for talented professionals across both companies. Although this opportunity is shared through the Xplicity community, the position is with Present Connection, and the...

Talan is an international consulting group specializing in innovation and business transformation through technology. With over 7,200 consultants in 21 countries and a turnover of €850M, we are committed to delivering impactful, future-ready solutions. Talan at a Glance Headquartered in Paris and operating globally, Talan combines technology, innovation,...

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If you're looking for a place to grow, make an...

Desde Q-tech estamos colaborando con uno de los mayores grupos empresariales de Europa, una compañía internacional de origen alemán con presencia en sectores como retail, alimentación, industria y servicios digitales, con más de 595.000 empleados en 32 países. El grupo apuesta de forma clara por construir tecnología propia en lugar de depender de...

SlashMobilitySlashMobility es una firma boutique tecnológica que está construyendo algo diferente a la consultoría tradicional. Todos los posibles candidatos deben leer con atención los siguientes detalles de este trabajo antes de presentar una candidatura. No queremos ser una fábrica de horas ni una consultora masiva. Estamos creando una casa para la...

ALTEN España está buscando un Analista Programador con experiencia en backend en Python y conocimientos de frontend con React/Next.js para un proyecto orientado a la evolución de plataformas digitales y herramientas operativas escalables.Se requieren 3–5 años de experiencia, dominio de Python, experiencia con FastAPI/Flask y familiaridad con APIs REST....

About our CrewSi desea saber un poco más sobre esta oportunidad, o está considerando presentar su candidatura, por favor, lea la siguiente información del puesto.Click&Boat is a rental platform product of Boats Group, the fastest-growing digital business in the recreational boating space. We are a talented team of techies, creatives, marketers, closers...

Lexroom is seeking a Senior Full Stack Engineer to join a squad and make technical decisions, own production, and mentor engineers. The role involves working across the full stack, requiring 5+ years of experience and daily use of AI coding tools.

We are looking for a strong Python Developer to join our GameServer team. You will work on a high-load gaming platform that processes gaming traffic and handles numerous API integrations with external operators. Your focus will be on developing and maintaining scalable backend services, improving system performance and reliability, and...

Seeking a Full-Stack Engineer for an AI hiring startup to build an AI-native platform. Responsibilities include end-to-end feature development, integration architecture, and deployment automation. Requires Python/FastAPI, Next.Js, and AI/LLM proficiency.

We're a fast-growing startup building a recruitment platform. What you'll do You'll own features end to end - from API design and data models to the event-driven pipelines that support recruiters.Build and maintain Python backend services and REST APIs.Design serverless workflows using AWS Lambda, API Gateway, SQS, Step Functions, DynamoDB, PostgreSQL and...

Overview En SlashMobility, trabajarás en una boutique tecnológica que impulsa transformación digital para grandes clientes con equipos pequeños y altamente senior. Diseñas y construyes soluciones que realmente mueven el negocio, asumiendo responsabilidad y trabajando con talento de alto nivel. Colaborarás de forma estrecha con frontend, DevOps y...

About The Role This project is suited for a Senior Python developer with deep functional testing experience, strong Linux and Docker skills, the ability to read code across multiple languages with the support of LLMs (e.g., C, Rust, Go) and translate requirements for migration tasks, and confidence using tools like Roo Code or Claude Code to accelerate...

Overview En SlashMobility, trabajarás en una boutique tecnológica que impulsa transformación digital para grandes clientes con equipos pequeños y altamente senior. Diseñas y construyes soluciones que realmente mueven el negocio, asumiendo responsabilidad y trabajando con talento de alto nivel. Colaborarás de forma estrecha con frontend, DevOps y...

We are looking for a strong Python Developer to join our GameServer team. You will work on a high-load gaming platform that processes gaming traffic and handles numerous API integrations with external operators. Your focus will be on developing and maintaining scalable backend services, improving system performance and reliability, and...

ОписаниеPresent Connection is an international technology partner with offices in Lithuania, the Netherlands, and Spain. For more than 14 years, we have worked with companies across Europe, combining software engineering expertise with a strong understanding of business and technology. We are looking for a Python Developer to join an R&D team at the...

TheWHITEAM está buscando un Backend Developer para un proyecto de integración de un Core Engine en el sector bancario. Trabajarás en servicios backend con Java y Python, y colaborarás en microservicios y APIs para conectar sistemas. Se valora experiencia en banca, habilidades analíticas y buen nivel de inglés (B2). Proyecto estable y con enfoque en...

Zemsania busca un Full-Stack Developer para un proyecto en Barcelona, con experiencia en Java, Python y TypeScript. Se trabajará tanto en backend como frontend, diseñando e integrando APIs REST y soluciones cloud en AWS. Se valoran habilidades en Angular, Node.js y herramientas de IA generativa (Claude). El puesto es híbrido en Barcelona, con viajes...