Hire the Best NLP Engineers
in Spain

I help companies turn data and language into intelligent systems using Machine Learning, Deep Learning, and Natural Language Processing (NLP). I hold a Master’s degree in Natural Language Processing and specialize in building and improving models that understand human language. My work focuses on deep learning architectures, language models, and data-driven AI systems for real-world applications. I also bring a research background, having published peer-reviewed papers in NLP and biomedical language models. This experience allows me to approach problems with both scientific rigor and practical engineering skills, ensuring solutions that are robust, scalable, and well-validated. What I can help you with • Natural Language Processing (NLP) solutions • Machine Learning and Deep Learning model development • Large Language Models (LLMs) and transformer-based systems • Text classification, entity recognition, and information extraction • Data analysis and exploratory data analysis (EDA) • Model evaluation, optimization, and experimentation • Data preprocessing and feature engineering • Python-based ML pipelines Research & Publications • Improving Medical Entity Recognition in Spanish by means of Biomedical Language Models — MDPI Electronics (2023) • Generation of Synthetic Sign Language Sentences — IberSPEECH 2021 Education & Specialized Training • Master’s Degree in Natural Language Processing • DeepLearning.AI – Natural Language Processing Specialization • IBM (Coursera) – Exploratory Data Analysis Tools & Technologies Python • PyTorch • TensorFlow • NLP pipelines • Machine Learning • Deep Learning • Data Analysis • Language Models • Text Mining • Neural Networks I’m particularly interested in projects involving NLP, deep learning, language models, and AI research applied to real-world problems. If you’re looking for someone who combinesresearch expertise with practical machine learning development, feel free to reach out. I’d be happy to discuss your project.

I am Aleksandra, leading a team of experienced full-stack developers specializing in AI-driven applications. We design and develop modern, scalable web and mobile solutions that integrate artificial intelligence, automation, and cloud technologies to optimize business operations. With over 20+ years of collective experience, we have worked with startups and enterprises across industries like FinTech, Healthcare, eCommerce, and SaaS. Our expertise spans the entire development cycle, from initial concept and UI/UX design to backend architecture, AI integration, SRE (Site Reliability Engineering), and cloud deployment. 🏆 194+ successful projects completed on Upwork with global clients 💲 $5M+ earned on Upwork through high-impact full-stack and AI solutions ⏱ 55,121+ hours billed, proving long-term client trust and engagement 💼 600+ total projects delivered since 2000 across AI, web, and mobile 📚 100% of developers hold engineering degrees, ensuring expert-level technical depth 👩‍💻 Advanced AI team includes Kaggle competition masters and top ML researchers 📊 91%+ job success rate, reflecting top-tier performance and consistency 🚀 25+ AI-driven apps deployed in FinTech, EdTech, and HealthTech 🧠 30+ machine learning models built and optimized for live environments 🌎 20+ industries served, from startups to Fortune 500 clients 🧱 Founded in 2000, bringing 24+ years of experience in software innovation 🛠 40+ React + Python full-stack solutions developed for scalable applications ⚡ High-load systems deployed to serve thousands of concurrent users 📈 Client ROI increased by up to 70% in AI automation projects 💬 Featured in Forbes, MBN Magazine, and Helsinki Times for client success stories Expertise: Full-stack development for web and mobile applications AI-powered solutions, including computer vision, natural language processing, and predictive analytics Scalable cloud architecture using AWS, Google Cloud, and Azure Real-time data processing and AI-driven automation Platform Engineering and Infrastructure as Code (IaC) GitOps workflows and CI/CD pipeline optimization API development and third-party service integrations Performance optimisation for high-traffic applications FinOps and cloud cost optimisation Secure and accessible web applications with SEO best practices Technology Stack: Frontend: React.js, Next.js, Vue.js, TypeScript Backend: Node.js, Python (FastAPI, Django, Flask), Golang AI & Machine Learning: TensorFlow, PyTorch, OpenAI API, Hugging Face, LLMOps Databases: PostgreSQL, MongoDB, Redis, Firebase Cloud & DevOps: AWS (Lambda, S3, DynamoDB, EC2), Docker, Kubernetes, Terraform, Helm, ArgoCD, GitHub Actions, GitLab CI/CD, Ansible, Prometheus, Grafana, ELK Stack Tools & Platforms: Figma for UI/UX, Miro for user flow mapping, Webflow for no-code development Why Work With Us? We focus on delivering intelligent, future-proof applications that drive business growth. Our team ensures seamless collaboration, clean code, and scalable architecture that adapts to evolving needs. We are committed to clear communication, efficient execution, and long-term support. If you are looking for a team that can build and scale AI-powered applications with a strong full-stack foundation, let's discuss your project. 🔑 Keywords to find me: AI Developer | Full-Stack Developer | AI Applications | React Developer | Node.js Developer | Python Developer | AI Integration | SaaS Developer | Web App Developer | Mobile App Developer | Scalable Applications | AI-Powered Software | Computer Vision | NLP Engineer | Machine Learning Engineer | Backend Developer | Frontend Developer | Cloud Developer | Automation Engineer | Cloud Architect | GCP | AWS | Azure | TensorFlow | PyTorch | OpenAI | Hugging Face | FastAPI | Django Developer | Flask Developer | Golang Developer | MLOps | LLMOps | DevOps | SRE | Site Reliability Engineer | Platform Engineer | Kubernetes | Docker | Helm | ArgoCD | Terraform | Infrastructure as Code | IaC | GitOps | CI/CD | GitHub Actions | GitLab CI/CD | Jenkins | Ansible | Prometheus | Grafana | Datadog | ELK Stack | DevSecOps | FinOps | AIOps | Observability | Monitoring | Service Mesh | Istio | Crossplane | OpenTelemetry | HashiCorp Vault | Multi-Cloud | Serverless | Figma | Webflow | Miro | Firebase Developer | MongoDB Developer | PostgreSQL | Redis | REST API Developer | API Integration | Predictive Analytics | AI in FinTech | AI in Healthcare | AI in eCommerce | SaaS Application | Intelligent Automation | Real-Time Data Processing | Cross-Platform Developer | SEO-Friendly Development | Secure Web Applications | Scalable Web Architecture | UI/UX Focused Developer | AI SaaS Developer | AI-Powered Mobile Apps | Full-Cycle Development | AI Solutions for Business | Enterprise Software | Startup MVP Development | AI Team Lead | Cloud-Native Applications | Serverless Architecture | AI-Driven Optimization | AI Workflow Automation | Real-Time AI Solutions | AI-Enhanced UX | AI Web App | AI-Powered Dash

Data Scientist Hi, I’m Benjamin — a data scientist with 2+ years of experience in machine learning, NLP, and time series analysis, I’ve built everything from AI-powered research assistants to LLM pipelines that automate document analysis and save teams hundreds of hours. I specialize in: - Data Cleaning - Webscraping - Natural Language Processing (NLP) - Generative AI & Large Language Models (LLMs) - Time Series Forecasting - Causal Inference & A/B Testing - Retrieval-Augmented Generation (RAG) - Data-to-Text & Hybrid ML Pipelines Some of the cool things I’ve worked on: ✅ Built a multimodal chatbot using RAG that cut research time by over 70% ✅ Created a gender classification model for Spanish names with 96% accuracy ✅ Designed DeepQuery, a LangChain-based app to semantically search economic research ✅ Automated EU merger document analysis with fine-tuned LLMs, saving 25% of analyst time Whether you need a custom NLP solution, help fine-tuning your LLM, or an end-to-end data science project delivered with care, I’m here to make it happen. Let’s chat!

Senior Data Engineer with 10+ years of experience building production-grade data platforms for international companies across Energy, Finance, Marketing and Cybersecurity. I specialise in end-to-end Azure data architectures — Synapse, Databricks, ADF, ADLS, Unity Catalog — and hold five certifications including the AZ-305 Solutions Architect Expert and Databricks Data Engineer Professional. These are among the most advanced credentials in the field and held by a small percentage of practitioners globally. What I build for clients: End-to-end ETL/ELT pipelines from ingestion to BI delivery Databricks lakehouses with Delta Lake, Unity Catalog and MLflow CI/CD pipelines via Azure DevOps and Infrastructure as Code with Terraform and ARM MLOps and LLM data pipelines for AI-ready architectures Data Warehouse design and implementation from scratch Cloud governance, RBAC and security frameworks (Azure Entra ID, Unity Catalog) Tech stack: Azure Synapse · Databricks · ADF · ADLS · Python · Apache Spark · SQL · dbt · Airflow · Power BI · GCP (BigQuery, Dataflow) · Terraform · Docker · Git Beyond data engineering, my background includes Computer Vision, NLP and Recommendation Systems — giving me a practical understanding of the full data-to-AI lifecycle. I have worked remotely for clients in Germany, Austria, UK and the US. I communicate in English (C1) and German (B2), which makes collaboration with DACH clients particularly smooth. Upwork Top Rated — available for both short-term projects and long-term contracts.

I’m a results-driven Machine Learning Engineer specializing in Natural Language Processing (NLP), Large Language Models (LLMs), and Data Engineering. With a Ph.D. in Deep Learning and Computer Vision, I bring a strong research background and hands-on expertise in developing AI solutions that tackle real-world challenges. 💡 My Expertise Includes: -🎓 Ph.D. in Deep Learning and Computer Vision: A strong research background driving innovative solutions. - 🌍 Building advanced machine translation systems and post-editing tools leveraging LLMs. -📚Implementing retrieval-augmented generation (RAG) techniques for enhanced AI performance leveraging LLMs. - 📊 Designing data pipelines and managing large-scale experiment tracking. ⚙️ What Sets Me Apart: - 🖥️ Clean, efficient, and maintainable code. - ⏳ Proven track record of timely delivery and client satisfaction. - 💡 Passion for solving complex machine learning challenges and creating impactful solutions. - 🎯Deep commitment to every project, treating your goals as my own to ensure exceptional outcomes. 🌟 Why Choose Me? - ✅ Selective Applications: I carefully review every job offer and only apply when I am absolutely confident in my ability to deliver the project on time and to your satisfaction. - 📈 Business Growth: I leverage the latest technologies and best practices to ensure your solutions are scalable and future-proof. -🤝 Collaborative Approach: I work closely with you to understand your unique needs and deliver tailored impactful solutions. - 🔍 Attention to Detail: Every aspect of your project is handled with meticulous care, ensuring the highest quality results. - 📬 Clear Communication: I maintain transparent and regular updates to keep you informed at every stage. Whether you need cutting-edge AI systems or streamlined solutions for your business, I’m here to turn your vision into reality. Let’s create something extraordinary together! 🚀

Hello! I’m a Senior Full-Stack & AI Solutions Architect with 20+ years of experience in building high-impact digital products for startups, enterprises, and fast-growing SaaS companies. As the CEO of Anadea, a European software development company with 100+ engineers, I personally lead AI transformation projects and help teams ship clean, scalable, and business-driven solutions - fast and efficiently. 🚀 What I do best I help companies turn complex ideas into working, profitable software. Over the years I've led and delivered projects in: AI-powered SaaS platforms Custom CRMs, ERPs, enterprise-grade systems Real estate platforms & marketplaces E-learning & digital training systems E-commerce, booking platforms & multi-tenant solutions MVPs built from scratch with rapid iteration cycles My role blends deep technical expertise, system thinking, and strategic product guidance - ensuring every feature solves a real business problem. 🔥 AI Development & Automation Expertise I specialize in designing and integrating AI across existing and new products: 🔸 Custom AI chatbots & assistants (RAG, LangChain, multi-step reasoning) 🔸 Semantic search, document processing, voice interfaces 🔸 AI-driven workflows for customer support, onboarding, analytics 🔸 Intelligent automation & process optimization for SaaS workflows 🔸 AI-augmented full-stack apps (React/Next + Node/Nest + Python) I oversee AI solutions from architecture → prototyping → production, ensuring reliability, cost-efficiency, and high-quality results. 💡 AI Tools & Modern Engineering Stack Actively working with: ✔️ Botpress, Bolt.new, Lovable, Cursor ✔️ Deepgram, ElevenLabs, Whisper ✔️ LangChain, RAG pipelines, vector databases ✔️ AWS / GCP / Vercel / Supabase deployments ✔️ React, Next.js, Vue, Node.js, NestJS, Python, FastAPI ✔️ PostgreSQL, Redis, MongoDB, cloud-native architectures 🧠 Engineering Leadership & Product Delivery With my team, we provide end-to-end development: Business analysis & product strategy UI/UX (research → wireframes → high-end design) Full-stack development AI integration QA & automation Long-term support & scaling We’ve delivered 300+ digital products across 40+ industries, including fintech, real estate, logistics, education, healthcare, and enterprise systems. 🏆 Track Record ✔️ 15+ years in full-cycle software engineering ✔️ 100+ engineers in the team (AI, web, mobile, QA, DevOps) ✔️ 250+ completed web & mobile projects ✔️ Trusted by global clients in the US, EU, UK, UAE, Canada ✔️ Featured in Clutch as a top-rated software development company ✔️ Expertise in SaaS, CRM, ERP, AI agents, marketplaces & large platforms 🎯 What clients appreciate Clear communication Fast execution & strategic thinking Reliable delivery with predictable timelines Practical, not overcomplicated solutions Focus on business value, not just code 🤖 AI Development & Automation 🔹 Custom AI Chatbots · GPT-based Agents · Autonomous Agents 🔹 RAG · LangChain · Vector Databases (Pinecone, Weaviate) 🔹 AI Assistants · Multi-step Prompt Chains · LLM Orchestration 🔹 Document Understanding · OCR · NLP Pipelines · Semantic Search 🔹 Speech AI · Voice Interfaces (Whisper, Deepgram, ElevenLabs) 🔹 Predictive Analytics · Forecasting Models · Recommendation Engines 🔹 Workflow Automation · AI Process Optimization 🔹 AI for SaaS · AI for E-commerce · AI for Real Estate 🔹 AI UX · AI-first Systems · Hybrid AI Apps (React/Node/Python) 🔹 OpenAI · Anthropic · Llama · Cloud AI Services (AWS/GCP) 🔥 Keywords for Upwork Search AI Developer • AI Engineer • Full Stack Developer • SaaS Developer • GPT Developer • RAG Expert • AI Chatbot • AI Agent • LLM Engineer • Workflow Automation • React Developer • Node.js Developer • Python Developer • SaaS Architect • CTO-as-a-Service • Startup MVP • AI SaaS Platform • Machine Learning • Product Development • AI Consultant If you’re looking for a senior expert who can design, architect, and deliver AI-powered platforms from idea to production, let’s talk.