Fullstack Developer React Python Jobs in Zaragoza, Spain

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Senior Backend Engineer Scale AI Driven Systems (Hybrid)

Landbot in Spain is seeking a Senior Backend Engineer to join their high-performance team. The role involves combining hands-on coding with guiding the team’s technical direction, ensuring solutions are scalable and aligned with Landbot's mission. Candidates should be fluent in Node.js, TypeScript, and Python, w ...

Backend Engineer Repayment Scheduling (Remote Spain)

Nerdleveltech is seeking a Software Engineer specializing in Backend development, offering a position that allows you to work remotely from Spain. You will be part of an expanding European engineering team, contributing to important projects, ensuring high-quality output, and participating in a sense of communit ...

Staff Backend Engineer — Financial Systems Architect

Voyagu in Spain is seeking a Staff Backend Engineer to lead the financial core of their Radar platform. This role will involve redesigning the financial systems architecture, focusing on ledger-style economic events and ensuring revenue correctness. Candidates with 8+ years of backend experience in financial or ...

Computer Vision Engineer — Flexible Hours, Bonuses & Growth

Neural Grader is looking for a Computer Vision Engineer based in Spain. The role involves designing reliable machine learning models, optimizing algorithms, and developing software systems. Ideal candidates should have strong skills in classical computer vision and machine learning, programming experience in Pyt ...

Senior Full Stack Engineer: Data Platform & AI

SPD Technology in Spain is seeking a Senior Full Stack Engineer to join their dynamic engineering team. The role involves end-to-end feature development for a robust Data Platform, requiring expertise in Python and system design. You will collaborate across functions and manage the integration of data processing ...

Senior ML Engineer AI/LLM, CV & NLP (Remote from Spain)

Intellias is seeking a skilled Machine Learning Engineer to work remotely from Spain. The ideal candidate has a Bachelor's or Master's degree in a relevant field and over 5 years of professional experience in machine learning engineering or AI development. Responsibilities include developing machine learning mod ...

AI Engineer Agentic Fintech | Relocation + Hybrid Work

Axiom Recruit is seeking an AI Engineer in Spain to develop intelligent financial products within a leading digital banking platform. The role involves designing, building, and deploying AI capabilities while working closely with a dedicated AI unit. The ideal candidate has experience in AI/ML systems, strong pr ...

Marketing Data Science Manager: Strategy & Experiments

A leading fintech company in Spain seeks a Data Science Manager (Marketing) to spearhead data initiatives. This role involves strategic leadership to guide a data team, managing the data pipeline creation, and fostering a data-driven culture. The ideal candidate has 8+ years of experience and proficiency in data ...

Senior AI Knowledge Architect for RAG & LLM Pipelines

A recruitment firm in Spain seeks an experienced Knowledge Engineer to design and scale AI systems. Responsibilities include optimizing workflows, managing data pipelines, and developing knowledge models for AI agents. The ideal candidate has a degree in a related field, proven experience in data pipeline design ...

Client Facing AI Solutions Engineer

A technology company specializing in AI solutions seeks a Forward Deployed Engineer in Spain to bridge AI technology with client needs. This pivotal role involves leading technical integrations, designing solutions based on client objectives, and ensuring effective implementation and support. The ideal candidate ...

Senior AI Graph Compiler Engineer MLIR Expert

A technology startup in Spain is seeking a Frontend / Graph-level Compiler Engineer to develop and optimize their MLIR-based compiler stack. The role involves collaborating with AI researchers and hardware architects to enable efficient AI workloads on diverse hardware. Ideal candidates will have a Master’s or P ...

Backend Engineer Agentic AI Workflows

A leading customer experience firm in Spain is seeking an Agentic Workflow Backend Engineer to design and build a platform for automating AI-driven workflows. The ideal candidate has over 5 years of experience in Python backend engineering, particularly with FastAPI and LangGraph, and is comfortable working in A ...

Lead Data Engineer: Architect Enterprise Pipelines

A leading technology company in Spain is seeking a Data Engineer Lead to design, develop, and implement robust data solutions. This role involves leading a talented engineering team, overseeing data architecture, and collaborating with cross-functional stakeholders. The ideal candidate should have over 4 years o ...

AI Dataset Architect

A consulting firm in Spain is seeking a Dataset Curator to design and maintain high-quality datasets for AI and ML projects. This role involves curating, validating, and annotating datasets, ensuring data supports robust model training. Candidates should hold a relevant degree and have proficiency in tools like ...

AI Graph Compiler Architect for Next Gen Accelerators

A leading AI hardware company is seeking a core hire within their compiler team in Spain to build and optimise graph compiler infrastructure for custom AI accelerators. You will collaborate closely with hardware architects and ML researchers, focusing on optimising AI workload compilers using technologies like M ...

Especialista en Adobe Analytics | Impacto en negocio (Híbrido)

Una consultora multinacional busca un/a Profesional en Adobe Analytics con al menos 3-4 años de experiencia. El candidato/a debe monitorizar el canal digital y aportar insights que mejoren el negocio. Se valoran conocimientos en SQL y Python. El trabajo es híbrido, y la empresa ofrece beneficios como contrato in ...

Senior Backend Engineer — High Performance Systems (Remote)

A leading tech platform for culture and entertainment is looking for a Senior Backend Engineer to help shape their live-entertainment platform. The ideal candidate will have strong experience in Python, SQL, and building scalable systems. This hybrid role allows for work from home anywhere in Spain and offers an ...

Senior Data Scientist – AI/SEO (Sugar Team) Flex Hours

A global tech company is seeking a Senior Data Scientist to focus on innovative market solutions. The ideal candidate will have 5+ years of experience, strong skills in machine learning and Python, and a collaborative mindset, working with cross-functional teams. You will enhance existing algorithms and introduc ...

Remote Data Engineer — Spark, ETL & Cloud Pipelines

A global technology company is seeking a passionate Data Engineer to craft tailor-made solutions. You'll work on cutting-edge projects, utilizing your expertise in Python, Scala, and Spark, and collaborate within a multidisciplinary team. The role allows for fully remote work and requires at least 4 years of exp ...

Remote AI Engineer — Semantic Layer Finance Solutions

A leading AI solutions company is seeking an experienced AI Engineer to design and deliver semantic-layer-driven solutions for financial data. This remote position involves creating intelligent chatbot interfaces and implementing scalable, production-ready systems in a complex AWS ecosystem. Candidates should po ...

Senior Data Transformation Leader & Deployment Architect

A high-growth data consultancy in Spain is looking for a Technical Leader to oversee data transformation projects. The ideal candidate will engage with senior stakeholders to translate technical solutions into business value and deliver enterprise-grade data solutions. A strong background in data engineering and ...

Senior Backend Engineer, Merchant Data Platform — EU (Remote)

A leading financial technology company is seeking a Senior Software Engineer for its Merchant Data Platform in Spain. The role focuses on managing and delivering on team goals, mentoring junior engineers, and ensuring systems reliability and performance. Candidates should have over 4 years of experience in softw ...

Ethical Hacker & Reverse Engineer — Anti Bot Security

A leading consumer intelligence company is seeking a talented cybersecurity professional with expertise in reverse engineering and advanced web security protocols. You will analyze web and mobile applications, develop custom Python tools for bypassing anti-bot mechanisms, and enhance data extraction strategies. ...

Quantum Entropy Crypto Engineer

A deep-tech company in Spain is seeking a Cryptographic System Engineer to integrate and deploy quantum entropy solutions in cryptographic infrastructures. The ideal candidate should have 3-4+ years of experience in software development, strong skills in C/C++ and Python, and hands-on experience with cryptograph ...

Remote Data Scientist Applied ML & Recommendations

Lingokids, a leader in educational technology based in Spain, is seeking a Data Scientist specializing in Applied ML Engineering & Recommendations. This role focuses on enhancing the recommendation infrastructure and developing advanced algorithms for personalized content delivery. Candidates should possess stro ...

Data Scientist, Personalization & Experimentation

Lingokids is seeking a skilled Data Scientist to enhance their recommendation and personalization capabilities. You will solve complex statistical problems and collaborate with product managers and ML engineers to create smarter personalization strategies. The role requires a solid statistical foundation, profic ...

Remote Data Analyst, Product Crypto Growth

Kraken is looking for a Remote Data Analyst, Product, to transform complex product data into actionable insights that enhance user experience and feature development. In this role, you will manage data effectively, design performance dashboards, and lead experimentation infrastructure. Ideal candidates will poss ...

Automation Engineer Search Systems & Tools

Amazon is seeking a skilled candidate for a role in Zaragoza, Spain, focused on automation and search-related issues. Responsibilities include developing tools, maintaining existing systems, and collaborating with technical teams. Candidates should possess a Bachelor's degree in a relevant field, Python scriptin ...

Software Engineer, Global Ops Tech — Remote friendly

Amazon is seeking a Software Development Engineer for its Global-focused Operations Technology Solutions team in Zaragoza, Spain. The role involves designing, developing, testing, and maintaining distributed software solutions. Candidates should possess a Bachelor's degree in Computer Science or related fields a ...

AI Engineer: LLMs, Graph ML & Auto Repair for Code (Remote)

An innovative AI company in Spain is seeking an AI Engineer to develop machine learning systems aimed at understanding and repairing software defects. Candidates should have over 5 years of experience in Python and deep learning, with strong skills in AWS and transformer models. The role offers a remote-friendly ...

Platform Backend Engineer — Remote, Observability

Tinybird is seeking a highly experienced Backend Engineer to join their Platform team in Spain. In this role, you will build and improve backend systems essential for the company's operations. The ideal candidate has strong experience in Python, distributed systems, and operational efficiency, and can communicat ...

Software Engineer, Global Ops Tech — Remote friendly

Amazon is seeking a Software Development Engineer for its Global-focused Operations Technology Solutions team in Zaragoza, Spain. The role involves designing, developing, testing, and maintaining distributed software solutions. Candidates should possess a Bachelor's degree in Computer Science or related fields a ...

Automation Engineer Search Systems & Tools

Amazon is seeking a skilled candidate for a role in Zaragoza, Spain, focused on automation and search-related issues. Responsibilities include developing tools, maintaining existing systems, and collaborating with technical teams. Candidates should possess a Bachelor's degree in a relevant field, Python scriptin ...

Application Security Engineer

Our mission We're making Africa the first cashless continent. In 2017, over half the population in Sub‑Saharan Africa had no bank account. That's for good reason—the fees are too high, the closest branch can be miles away, and nobody takes cards. Without access to financial institutions, peopl ...

DBA de aplicaciones de Oracle

¿Buscando nuevos retos? ¿Quieres formar parte de nuestro equipo? Desde Profile nos encontramos en búsqueda de un/a Administrador/a de Bases de datos que participará en tareas clave de operación, rendimiento, seguridad y evolución de plataformas de datos corporativas. < ...

Senior Programmer (Remote) – Late Phase Data & SDTM/ADaM

Phastar is seeking a Principal Programmer within the late phase Medical Affairs team to lead non-interventional and observational studies. This role involves statistical analysis using SAS, SQL, and R, as well as utilizing Python and R Shiny for data visualization. A remote working environment with flexible hour ...

GenAI Applied Scientist II — Prototyping & Deployment

Amazon is seeking an Applied Scientist for its Alexa AI team in Zaragoza, Spain. This role involves prototyping and deploying machine learning algorithms in Generative AI. Responsibilities include conducting research, collaborating with teams, and publishing findings. Ideal candidates have at least 3 years of ex ...

Applied Scientist, Central ML Build Scalable ML Solutions

Amazon is seeking an Applied Scientist in Zaragoza, Spain, to join the Central Machine Learning team. This role involves using machine learning to optimize business processes and analyzing vast amounts of data to derive insights that impact consumer experiences. Candidates should have programming experience in J ...

Backend Engineer Star Trek Game Servers (Remote, Spain)

Scopely is seeking a Server Engineer to join the Star Trek Fleet Command team based remotely in Spain. The role involves implementing and maintaining backend systems and microservices on AWS, collaborating with cross-functional teams, and ensuring backend resilience and security. Ideal candidates will have profi ...

Remote Power BI Data Analyst in Spain (Azure, SQL)

Coforge is seeking a Data Analyst who will work remotely in Spain. The ideal candidate should have over 3 years of experience in designing and developing Power BI dashboards and reports, translating business needs into data insights, and collaborating with teams on data quality. Strong skills in SQL and Python f ...

FinCrime Ops Lead: Build Global, Scalable Risk Systems

Revolut is seeking an Operations Manager in Spain to build high-stakes financial crime systems from the ground up. The ideal candidate will have over 2 years of experience in fast-paced environments, strong SQL and Python skills, and a solid track record in leading complex projects. Responsibilities include desi ...

GenAI Applied Scientist II — Prototyping & Deployment

Amazon is seeking an Applied Scientist for its Alexa AI team in Zaragoza, Spain. This role involves prototyping and deploying machine learning algorithms in Generative AI. Responsibilities include conducting research, collaborating with teams, and publishing findings. Ideal candidates have at least 3 years of ex ...

Senior Programmer (Remote) – Late Phase Data & SDTM/ADaM

Phastar is seeking a Principal Programmer within the late phase Medical Affairs team to lead non-interventional and observational studies. This role involves statistical analysis using SAS, SQL, and R, as well as utilizing Python and R Shiny for data visualization. A remote working environment with flexible hour ...

Support Engineer: Root Cause, Tools & Automation

A global technology company is seeking a Support Engineer in Zaragoza, Spain, focused on diagnosing and resolving software issues. This role involves providing technical support, performing root cause analyses, and collaborating with cross-functional teams to enhance operational excellence. The ideal candidate w ...

Remote Senior SRE AI GPU Infrastructure, Hyperscale

Hamilton Barnes is seeking a Senior Site Reliability Engineer to join a stealth-mode hyperscale data center start-up in Spain. This role involves owning the reliability and performance of a large-scale GPU-powered infrastructure, optimizing resource management, and collaborating with various teams to enhance ope ...

Remote MLOps Engineer for High Scale Search & ML Platform

An innovative technology firm based in Spain is seeking a talented software engineer to join their Machine Learning Recall team. The role involves building and maintaining search services, optimizing performance of large ML models, and enhancing observability stacks. Candidates should be proficient in Python, ha ...

Lead GenAI Agent Architect for Intelligent Logistics

A logistics technology company is seeking a Lead Generative AI Engineer to innovate in transportation. This role involves leading the development of sophisticated AI agents and ensuring high-impact solutions in logistics. The ideal candidate will have extensive experience in engineering, particularly with Python ...

Remote Data Engineering Manager: Scale Data Platform

A leading tech company is seeking a Data Engineering Manager to oversee their data team's foundational backend. This fully remote role involves managing a team of data engineers, driving hiring strategies, and owning the technical roadmap for data infrastructure. Candidates should have extensive experience in da ...

Data Quality & Governance Analyst

A leading life sciences company in Spain is seeking an experienced Data Analyst to implement a data governance framework and ensure data quality. The ideal candidate will possess strong technical skills in SQL and Python, with at least 3 years of experience in data analysis. This role requires collaborating with ...

AI Software Engineer, Legal Tech & LLM Solutions

A leading AI law firm in Spain is looking for an Artificial Intelligence Software Engineer to design and implement cutting-edge AI solutions for legal technology. This role requires 3-5 years of experience in AI/ML software engineering, particularly with Python and NLP techniques. You will collaborate closely wi ...

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    Fullstack Developer React Python Jobs in Zaragoza Job Search Guide, Trends and Insights