Hire the Best Data Engineers
in Germany

More than 3,000 reviews on G2
Rating is 4.5 out of 5.
4.5/5
of Upwork by G2 peer reviewers
Steven B.

Oechsen, Germany

$90/hr
5.0
24 jobs

🚀 Unlock faster, smarter sales growth with AI-powered workflows - without hiring in-house tech experts, managing complex tools yourself, or getting stuck in rigid, one-size-fits-all systems. I help remote B2B service firms and agencies simplify their sales and marketing processes with lean, AI-powered workflow automation that: ✅ Frees your team from repetitive tasks ✅ Improves lead quality and conversion rates ✅ Shortens sales cycles and speeds up revenue ✅ Delivers measurable ROI - within weeks, not months Many teams I work with have tried adding tools or hiring freelancers before. But too often, the results don’t stick: ❌ Overbuilt systems and a ton of code no one adopts ❌ Flashy AI hacks that create more work ❌ “Big tech” solutions that don’t fit your team’s reality ❌ Projects that drag on endlessly without clear ROI in a human's lifetime If you have experienced this, then you're in the right place. 🙌 I partner closely with growth-minded leaders to design and deploy automation that fits your processes, your people, and your goals. No bloated tech stacks. No overengineering. Just smarter, simpler workflows that scale. Here’s how I can support you: 📌 Sales & marketing workflow automation (lead capture, qualification, follow-up) 📌 CRM optimization & integration (HubSpot, Airtable, custom APIs) 📌 AI-powered outreach systems (personalized messaging & proposal generation) 📌 Building smart AI workflows with N8N, Make.com, and LLMs 📌 Designing and deploying AI Agent systems with Relevance AI 📌 Revenue operations process design (RevOps) I bring a rare mix of: 🚀 Business strategy (what matters for growth) ⚙️ Technical execution (making systems actually work) 👥 Team adoption (so the change sticks) This isn’t “tech for tech’s sake.” It’s about enabling your team to move faster, win more deals, and focus on high-value work. How does working with me look like? ▶️ We analyze where you are at. ➡️ We collaborate to set realistic goals. ⤴️ I build a little (or work with a team to build). 🔁 We talk about findings and restart. By iteratively refining solutions, we effectively turn potential into progress and investments into ROI. 📩 Ready to streamline your sales processes and unlock smarter revenue growth? Send me a message with your challenges, and I’ll help you map out a path to measurable results. 🙌

  • Data Management
  • System Analysis
  • Solution Architecture
  • Project Management
  • Product Development
  • Cloud Engineering
  • Cloud Computing
  • Data Science
  • Data Analysis
  • Generative AI
  • AI Consulting
  • AI Implementation
  • Marketing Automation
  • LLM Prompt Engineering
  • Process Optimization
Alexander L.

Rosenheim, Germany

$90/hr
4.9
33 jobs

With a rich 25-year trajectory in Data Engineering, Project Management, and Business Analysis, I thrive on designing and orchestrating end-to-end data processes that propel informed decision-making and strategic innovation. My expertise spans across architecting robust databases, fine-tuning ETL pipelines, and unveiling actionable insights through advanced analytics and data science. The realm of data isn’t just a profession; it’s a landscape where my curiosity and technical acumen come alive. Every dataset tells a story, every project illuminates a path to organizational excellence. Whether in the financial sector or diverse industries, my approach remains the same: to dive into the data deluge, extract value, and drive forward the narrative of data-driven success. My professional journey has afforded me the privilege of contributing to major customers and projects, including but not limited to engagements with MAN SE, IBM, Atos, Allianz, and VISA Switzerland, among others. Each endeavor has not only been a chapter of learning and innovation but a testament to the transformative power of data when harnessed effectively. I welcome the opportunity to discuss how my background, skills, and experience can be aligned with your challenges. Feel free to get in touch to explore collaborative possibilities.

  • Data Engineering
  • Data Warehousing & ETL Software
  • Database Design
  • ETL Pipeline
  • Python
  • SQL Programming
  • Oracle PLSQL
  • MySQL
  • NoSQL Database
  • PostgreSQL
  • Oracle
  • Database Modeling
  • Microsoft Power BI
  • MongoDB
  • Data Science
Faizan K.

Berlin, Germany

$60/hr
5.0
63 jobs

Your dashboards are slow, your data sources don't agree with each other, and leadership has stopped trusting the numbers, I rebuild the analytics layer underneath, using dbt on Snowflake or BigQuery, so your team makes decisions on data you can actually defend. With over 11,000 hours logged and 80+ projects delivered on Upwork, I've worked with growth-stage SaaS startups, fintechs, retail and eCommerce operators, real estate firms, and global research organizations to design dbt-based data models, build end-to-end ETL/ELT pipelines, and deliver BI systems that eliminate reporting delays. A few projects I've led recently: CGIAR - Built a centralized enterprise analytics platform on Microsoft Fabric and Power BI, replacing fragmented reporting across a global research consortium. Sojo Industries - Designed a continuous intelligence layer delivering real-time visibility and enterprise-grade analytics for retail operations. Markets4U - Migrated a fast-growing fintech off Metabase, Oracle BI, and Vertica onto a high-performance analytics stack built for real-time decisions. Westwise - Centralized fragmented data sources to power marketing and sales insights for a legal services platform. ECAP - Delivered analytics and financial modeling for a private real estate investment firm managing strategic property portfolios. Voice AI Automation Company - Integrated Stripe, HubSpot, GA4, Google Ads, Linear, Pylon, and MongoDB into a unified, business-ready data model for an AI-first SaaS company. How I work across the analytics engineering stack: Data Modeling and Transformation - I build dbt models on Snowflake and BigQuery that turn raw, multi-source data into clean, analytics-ready datasets. Strong focus on testing, documentation, and modular design so your data layer stays reliable as it scales. Data Engineering and Pipelines - I design and maintain ETL/ELT pipelines using SQL, Python, and Apache Airflow across AWS, GCP, and Azure. Whether you need to ingest from APIs, sync SaaS tools, or move data between warehouses, I build pipelines that don't break when your business grows. Business Intelligence and Dashboards - I build interactive dashboards in Power BI, Tableau, and Looker Studio that turn analytics-ready data into clear, actionable insights for stakeholders. KPI tracking, executive reporting, self-service analytics — designed for the people who actually use them. Cloud and Warehouse Expertise - Deep work across Snowflake, BigQuery, PostgreSQL, and Redshift, with hands-on experience integrating GA4, HubSpot, Salesforce, Stripe, and other SaaS data sources into unified warehouses for cross-functional reporting. Why clients keep working with me: - 11,00+ hours logged, 100% Job Success Score, Top Rated Plus - End-to-end ownership from data ingestion through dbt modeling to dashboard delivery - I translate technical complexity into business outcomes, not jargon - Long-term clients rehire me for scale-up support, audits, and platform migrations - Available for project-based work and ongoing analytics engineering partnerships If your reports are slow, your data sources don't talk to each other, or you can't trust the numbers in your dashboards — let's talk. I'll audit your current stack, identify what's broken, and rebuild the foundation your team needs to make confident, data-driven decisions. Send me a message and I'll map out a plan tailored to your analytics, data engineering, or dashboard work — clear scope, real outcomes, no fluff.

  • Data Engineering
  • Data Warehousing & ETL Software
  • Apache Spark
  • BigQuery
  • ETL Pipeline
  • Python
  • SQL
  • Tableau
  • Data Visualization
  • Marketing Analytics
  • Data Analytics
  • Snowflake
  • dbt
  • Data Modeling
  • Looker Studio
  • PostgreSQL
  • Business Intelligence
  • Apache Airflow
  • HEX
  • ClickHouse
Julian S.

Chemnitz, Germany

$90/hr
5.0
38 jobs

I'm a developer for AI and webservices with theoretical foundation in AI models (LLMs, classifiers, neural network). I have experience shipping all these models to production, usually taking a few weeks or 1-2 months depending on the applications, from requirements discussions, architecture decisions to testing and deployment. - experience with AI technology, LLMs(GPT, Llama, Mistral, ...) - Python/Java backend development to integrate AI into your architecture - Consulting and review of AI opportunities for customer needs

  • Python
  • FastAPI
  • Django
  • Generative AI
  • Generative AI Prompt
  • Generative AI Prompt Engineering
  • AI Bias Mitigation
  • AI Bot
  • AI Classifier
  • AI Consulting
  • Database
  • Amazon Web Services
  • Web Service
  • Web Services Development
Atique A.

Berlin, Germany

$50/hr
5.0
11 jobs

🚀 Top 1%, Expert-Vetted, AI Engineer 🚀 Hey! I’m Atique, an AI & Machine Learning Engineer with 6+ years of experience building smart, real-world solutions. I specialize in machine learning, deep learning, NLP, LLMs and automation (n8n, zapier) Whether it's building chatbots, creating recommendation systems, automating tasks with AI agents, or developing search engines and RAG-based systems, I love turning complex AI challenges into real-world solutions. 🔹 What I Bring to the Table ✅ Practical AI Solutions – I develop AI systems that don’t just look good on paper — they deliver real-world results. ✅ LLMs & RAG Systems – Skilled in LangChain, LlamaIndex, and vector databases to build cutting-edge AI applications. ✅ Computer Vision & NLP – From facial recognition to advanced text processing, I cover a broad range of vision and language use cases. ✅ Smart Search & Ranking – Designing intelligent search engines with optimized ranking algorithms for better discovery and relevance. ✅ AI Agents & Workflow Automation – Leveraging autonomous agents to streamline operations and automate complex tasks. ✅Custom Automation Workflows - I design workflows using tools like Zapier, n8n, and Go High Level (GHL) that fit your specific needs. 🔹 Why Work With Me? ✔ Top-Rated plus on Upwork – 100% Job Success & 5-star reviews from happy clients. ✔ Results-Driven – I focus on delivering AI solutions that actually bring value to your business. ✔ Clear Communication – No tech jargon overload—I keep things simple and transparent. ✔ End-to-End AI Development – From idea to deployment, I handle everything. 💼 Customer & Peer Reviews: "Atique is a talented data scientist/computer scientist. He is proactive, positive, and hardworking. Together we worked on IoT control of batteries to optimise the energy consumption (based on MPC), forecasting of PV production, electricity consumption, and electricity prices,... He is however a fast learner and will be efficient in lots of different application areas of AI/data science." 💯 - Senior Data Scientist @Sirris "Atique is a talented addition to any data science team! His skills are strong and he brings a positive energy and resilience that can really keep a team moving towards it goals! " 😎 - Product Manager at Meta "Atique is an expert in machine learning systems. He did a very impressive analysis of the project and helped me understand it in detail. He delivered on time and I will definitely will use his services again!! Thanks atique!! If you are looking for a very kind and communicative person to deliver 100% quality, this is the one." 😎 "Amazing seller, very professional and would definitely be back. This is a seller you can trust 5 stars for me." 🤩

  • Data Management
  • Python
  • Deep Neural Network
  • Deep Learning
  • Machine Learning
  • Data Science
  • Data Analysis
  • Artificial Intelligence
  • Predictive Analytics
  • Automation
  • n8n
  • LLM Prompt Engineering
  • Web Development
Rouhallah A.

Berlin, Germany

$50/hr
5.0
18 jobs

I am an Engineer who has multidisciplinary experiences and is expert in Big Data Processing and API Development. I am experienced in creating and implementing scalable data architectures, developing and optimizing ETL (Extract, Transform, Load) processes, and ensuring data quality and integrity. I am also experienced in developing APIs and providing the best solutions for the tech problems.

  • Apache Spark
  • Python
  • SQL
  • Java
  • Scala
  • Apache Airflow
  • Elasticsearch
  • Docker
  • Apache Flink
  • Spring Boot
  • API Development
  • Rust
  • Amazon Web Services
  • Google Cloud Platform
  • Kotlin

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