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Senior Data Practitioner (Data / Analytics Engineering) - BCN/ MAD/ MUC @ AilyLabs

Madrid - HybridOnsiteFull-timePosted today

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About this role

Mission <h2 style="font-style:normal;text-transform:none;margin-top:0px;margin-bottom:0px;padding:0px;color:rgb(41,42,46);font-size:1.43em;font-weight:600;line-height:1.2;font-family:'Atlassian Sans', 'ui-sans-serif', '-apple-system', BlinkMacSystemFont, 'Segoe UI', Ubuntu, 'Helvetica Neue', sans-serif;"><br></h2><p style="font-size:16px;font-style:normal;font-weight:400;text-transform:none;margin-top:0.75em;margin-bottom:0px;padding:0px;font-family:'Atlassian Sans', 'ui-sans-serif', '-apple-system', BlinkMacSystemFont, 'Segoe UI', Ubuntu, 'Helvetica Neue', sans-serif;color:rgb(41,42,46);">Are you ready to take part in the upcoming AI revolution of the business world? If the answer is a resounding "yes," we have an extraordinary opportunity for you!</p><p style="font-size:16px;font-style:normal;font-weight:400;text-transform:none;margin-top:0.75em;margin-bottom:0px;padding:0px;font-family:'Atlassian Sans', 'ui-sans-serif', '-apple-system', BlinkMacSystemFont, 'Segoe UI', Ubuntu, 'Helvetica Neue', sans-serif;color:rgb(41,42,46);"><strong>About Us</strong></p><p style="font-size:16px;font-style:normal;font-weight:400;text-transform:none;margin-top:0.75em;margin-bottom:0px;padding:0px;font-family:'Atlassian Sans', 'ui-sans-serif', '-apple-system', BlinkMacSystemFont, 'Segoe UI', Ubuntu, 'Helvetica Neue', sans-serif;color:rgb(41,42,46);">Aily Labs is a B2B SaaS company building an AI-powered decision intelligence app for enterprises. Our mobile-first platform combines company data with advanced machine learning, large language models, and agentic AI to give business leaders clear, actionable insights in real time.</p><p style="font-size:16px;font-style:normal;font-weight:400;text-transform:none;margin-top:0.75em;margin-bottom:0px;padding:0px;font-family:'Atlassian Sans', 'ui-sans-serif', '-apple-system', BlinkMacSystemFont, 'Segoe UI', Ubuntu, 'Helvetica Neue', sans-serif;color:rgb(41,42,46);">Instead of traditional dashboards and reports, Aily delivers simple, personalized recommendations that help teams decide and act faster across finance, supply chain, R&amp;D, commercial, and more. The app is designed to be intuitive for end users and easy to integrate for IT, so companies can move from analysis and indecision to confident, data-driven decisions every day.</p><p style="font-size:16px;font-style:normal;font-weight:400;text-transform:none;margin-top:0.75em;margin-bottom:0px;padding:0px;font-family:'Atlassian Sans', 'ui-sans-serif', '-apple-system', BlinkMacSystemFont, 'Segoe UI', Ubuntu, 'Helvetica Neue', sans-serif;color:rgb(41,42,46);">Founded in 2020 in Munich, Aily Labs has grown into a global team of 350+ people across Munich, Barcelona, Madrid, Cluj, and New York. Our mission is to democratize AI in business and enable leaders to <em>Lead Boldly</em>, turning complex data into decisions that drive real, measurable impact.</p><p style="font-size:16px;font-style:normal;font-weight:400;text-transform:none;margin-top:0.75em;margin-bottom:0px;padding:0px;font-family:'Atlassian Sans', 'ui-sans-serif', '-apple-system', BlinkMacSystemFont, 'Segoe UI', Ubuntu, 'Helvetica Neue', sans-serif;color:rgb(41,42,46);">We are looking for <strong>Data Practitioners (Mix of Data Engineer and Analytics skills)</strong> who are passionate about building reliable, scalable data solutions that power enterprise-grade AI: people who make data accessible, trustworthy and ready for ML, ensuring our decision intelligence platform can serve millions of insights every day.</p><p style="font-size:16px;font-style:normal;font-weight:400;text-transform:none;margin-top:0.75em;margin-bottom:0px;padding:0px;font-family:'Atlassian Sans', 'ui-sans-serif', '-apple-system', BlinkMacSystemFont, 'Segoe UI', Ubuntu, 'Helvetica Neue', sans-serif;color:rgb(41,42,46);"><strong>About this team – Data Chapter </strong></p><ul style="font-size:16px;font-style:normal;font-weight:400;text-transform:none;margin:10px 0px 0px;padding-top:0px;padding-right:0px;padding-bottom:0px;list-style-type:disc;color:rgb(41,42,46);font-family:'Atlassian Sans', 'ui-sans-serif', '-apple-system', BlinkMacSystemFont, 'Segoe UI', Ubuntu, 'Helvetica Neue', sans-serif;"><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>What does our Data Chapter team do?</strong><br>We are the backbone of Aily’s "Data-to-Decision" engine. We build and own the complete data lifecycle—from ingestion and transformation to quality and delivery. Our team develops the robust models, APIs and scalable infrastructure that ensure high-quality data is always available for the Aily App and our AI models.</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>Which data domains and products do we support?</strong></p></li></ul><div style="font-size:16px;font-style:normal;font-weight:400;text-transform:none;margin:0px 0px 0px 30px;padding:0px;color:rgb(41,42,46);font-family:'Atlassian Sans', 'ui-sans-serif', '-apple-system', BlinkMacSystemFont, 'Segoe UI', Ubuntu, 'Helvetica Neue', sans-serif;"><p style="margin-top:0.75rem;margin-bottom:0px;padding:0px;">We operate at the intersection of business and technology, supporting critical domains including Finance, R&amp;D (Research and Development), GTM (Go-to-Market), M&amp;S (Manufacturing &amp; Supply), Spend…. Our pipelines power the Aily App across multiple tenants, delivering the insights that drive global enterprises in several industries.</p></div><ul style="font-size:16px;font-style:normal;font-weight:400;text-transform:none;margin:10px 0px 0px;padding-top:0px;padding-right:0px;padding-bottom:0px;list-style-type:disc;color:rgb(41,42,46);font-family:'Atlassian Sans', 'ui-sans-serif', '-apple-system', BlinkMacSystemFont, 'Segoe UI', Ubuntu, 'Helvetica Neue', sans-serif;"><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>What are our key technical challenges?</strong></p><ul style="margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;list-style-type:circle;"><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>Scale</strong>: Managing multi-tenant by design with config-driven pipelines and models that adapt to diverse client needs.</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>Reliability</strong>: Ensuring 24/7 uptime through automated QA, validations, and proactive monitoring.</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>Quality</strong>: Implementing sophisticated business logic checks to maintain a "Single Source of Truth."</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>Governance</strong>: Orchestrating complex event-driven and scheduled flows while maintaining strict data security and compliance.</p></li></ul></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>How do we collaborate?</strong><br>Data is our product. We work as strategic partners:</p><ul style="margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;list-style-type:circle;"><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>With Product</strong>: To define and refine features that solve real-world problems.</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>With Software Engineering:</strong> Establishing clear Data Contracts to ensure seamless integration with the Aily App.</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>With ML &amp; Data Scientists</strong>: Engineering the high-performance datasets required to transform raw data into measurable AI impact.</p></li></ul></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>Our Tech Stack</strong><br>We leverage a modern, code-first data stack to maintain agility and high standards:</p><ul style="margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;list-style-type:circle;"><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>Languages &amp; Frameworks:</strong> <strong>Python</strong> is our core for pipelines, APIs, and CLI tooling. We use <strong>FastAPI</strong> and <strong>Pydantic</strong> to serve typed, high-performance REST APIs to our platform.</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>Data Transformation &amp; Modeling:</strong> We use <strong>dbt</strong> for our SQL-based transformation layer and <strong>SQLModel</strong> with <strong>Alembic</strong> for ORM-based schema management and versioned migrations.</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>Storage &amp; Analytics:</strong> Besides <strong>PostgreSQL / RDS, </strong>we utilize <strong>DuckDB</strong> and <strong>DuckLake</strong> as our embedded analytics engine, all hosted on a robust <strong>AWS</strong> infrastructure (S3, IAM). </p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>Orchestration &amp; Workflow:</strong> <strong>Apache Airflow</strong> handles our complex event-driven and scheduled job flows.</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>Quality &amp; Engineering Excellence:</strong> We prioritize reliability through <strong>pytest</strong> for QA validations, <strong>GitHub</strong> for version control, and a rigorous PR-based code review process.</p></li></ul></li></ul><br> Your profile <h2 style="font-style:normal;text-transform:none;margin-top:1.4em;margin-bottom:0px;padding:0px;color:rgb(41,42,46);font-size:1.43em;font-weight:600;line-height:1.2;font-family:'Atlassian Sans', 'ui-sans-serif', '-apple-system', BlinkMacSystemFont, 'Segoe UI', Ubuntu, 'Helvetica Neue', sans-serif;"><strong>Core responsibilities</strong></h2><ul style="font-size:16px;font-style:normal;font-weight:400;text-transform:none;margin:10px 0px 0px;padding-top:0px;padding-right:0px;padding-bottom:0px;list-style-type:disc;color:rgb(41,42,46);font-family:'Atlassian Sans', 'ui-sans-serif', '-apple-system', BlinkMacSystemFont, 'Segoe UI', Ubuntu, 'Helvetica Neue', sans-serif;"><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>End-to-End Architecture &amp; Business Ownership:</strong> Lead the design, implementation, and long-term ownership of complex, multi-tenant data platforms with minimal strategic guidance, deeply aligning technical solutions with business domains and use cases.</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>Core Development &amp; Tooling:</strong> Build robust data components, utilizing advanced Python for APIs/orchestration and expert SQL for dbt-based transformation and normalization layers.</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>Data Quality &amp; Engineering Standards:</strong> Establish and enforce global data engineering standards, implementing shift-left data quality frameworks, validation, and proactive alerting at scale.</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>Infrastructure Optimization:</strong> Drive continuous improvements in data infrastructure, modeling, and tooling to optimize performance, control costs, and reduce operational burden.</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>Mentorship &amp; Craft Excellence:</strong> Champion engineering excellence across the chapter, mentoring junior team members and defining best practices for tooling and data craft.</p></li></ul><h2 style="font-style:normal;text-transform:none;margin-top:1.4em;margin-bottom:0px;padding:0px;color:rgb(41,42,46);font-size:1.43em;font-weight:600;line-height:1.2;font-family:'Atlassian Sans', 'ui-sans-serif', '-apple-system', BlinkMacSystemFont, 'Segoe UI', Ubuntu, 'Helvetica Neue', sans-serif;"><strong>Who we’re looking for</strong></h2><ul style="font-size:16px;font-style:normal;font-weight:400;text-transform:none;margin:10px 0px 0px;padding-top:0px;padding-right:0px;padding-bottom:0px;list-style-type:disc;color:rgb(41,42,46);font-family:'Atlassian Sans', 'ui-sans-serif', '-apple-system', BlinkMacSystemFont, 'Segoe UI', Ubuntu, 'Helvetica Neue', sans-serif;"><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>Data Engineers / Data Analysts</strong> with <strong>4 to 6 years of experience</strong> who excel at building reliable, scalable data models and pipelines that power AI decision-making at enterprise scale.</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;">Hands-on builders with:</p><ul style="margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;list-style-type:circle;"><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;">Expert <strong>SQL skills</strong> (architecting advanced incremental patterns, complex modeling, and query optimization)</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>Advanced Python</strong> for services/pipelines (not notebook-only analytics)</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;">Deep familiarity with <strong>production-grade engineering practices</strong>, including rigorous CI/CD pipelines, test-driven development (pytest), and leading technical code reviews.</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;">A <strong>strong business-domain mindset</strong>—the ability to act as a translator between complex business data needs and highly efficient data architectures.</p></li></ul></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>Strong collaborators </strong>who partner with Data Practitioners, Data Scientists, Software/ML Engineers, Product teams, and business stakeholders to turn raw data into actionable customer insights.</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>Startup mindset</strong>: thrives in ambiguity, proactively solves complex data challenges, and improves tooling beyond your immediate scope.</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;"><strong>Ready to Lead Boldly</strong> – building the data foundation that enables Aily's AI platform to deliver millions of real-time insights, briefings and agentic responses daily.</p></li></ul><h2 style="font-style:normal;text-transform:none;margin-top:1.4em;margin-bottom:0px;padding:0px;color:rgb(41,42,46);font-size:1.43em;font-weight:600;line-height:1.2;font-family:'Atlassian Sans', 'ui-sans-serif', '-apple-system', BlinkMacSystemFont, 'Segoe UI', Ubuntu, 'Helvetica Neue', sans-serif;"><strong>Location &amp; details</strong></h2><ul style="font-size:16px;font-style:normal;font-weight:400;text-transform:none;margin:10px 0px 0px;padding-top:0px;padding-right:0px;padding-bottom:0px;list-style-type:disc;color:rgb(41,42,46);font-family:'Atlassian Sans', 'ui-sans-serif', '-apple-system', BlinkMacSystemFont, 'Segoe UI', Ubuntu, 'Helvetica Neue', sans-serif;"><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;">Locations: Madrid (MAD), Barcelona (BCN) and Munich (MUC).</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;">Contract type: Permanent.</p></li><li><p style="margin-top:0px;margin-bottom:0px;padding:0px;">Work policy: hybrid (2 days per week in the office).</p></li></ul>

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Senior Data Practitioner (Data / Analytics Engineering) - BCN/ MAD/ MUC at AilyLabs | ResuMinder Jobs