Database Engineering Intern

<p>We are looking for a <strong>Database Engineering Intern</strong> to work on the data layer of our production software. You will work alongside the developer who owns our data layer on data modelling, query optimisation and documentation.</p><p>Our stack is PostgreSQL, Supabase, PostgREST and row-level security, with TypeScript, React, Vite, Vitest, Deno edge functions and GitHub Actions around it. Every change goes through a pull request with automated type, lint, format, build and test checks.</p><p><strong>Duration:</strong> 6 months; <strong>Start:</strong> flexible</p><h2>Tasks</h2><ul><li><p><strong>Get familiar with our database structures</strong> and document how they are modelled.</p></li><li><p><strong>Analyse table and column usage</strong> and prepare migrations where structures are no longer needed.</p></li><li><p><strong>Improve our data models</strong>: reduce duplicated values and work with references and views.</p></li><li><p><strong>Optimise data access</strong> so that more work happens in the database and less in the application.</p></li><li><p><strong>Measure query performance</strong> and add indexes where they make a difference.</p></li><li><p>Review our <strong>database access policies.</strong></p></li></ul><h2>Requirements</h2><ul><li><p>You are studying <strong>computer science, data engineering</strong> or something similar.</p></li><li><p><strong>Comfortable in SQL</strong>: joins, aggregates, indexes, and reading a query plan.</p></li><li><p>You are happy to <strong>spend time reading existing code</strong> before changing it.</p></li><li><p><strong>PostgreSQL specifics</strong> (indexing strategies, EXPLAIN, constraints, triggers) and experience with <strong>Supabase or a similar API-over-Postgres layer</strong> are a plus.</p></li><li><p>Coursework or a project in <strong>data modelling and normalisation</strong>.</p></li><li><p>Experience with <strong>AI-assisted development</strong> <strong>tools</strong>.</p></li><li><p><strong>Humble, low ego</strong>, not afraid to get your hands dirty.</p></li><li><p><strong>Get things done mentality</strong>: prioritising results over process.</p></li><li><p>Fluent in English, German is a plus.</p></li></ul><h2>Benefits</h2><ul><li><p><strong>Scaling from 0 to 1</strong>: you shape how this company works, from the processes to the team around you.</p></li><li><p>Work as a full team member of an interdisciplinary <strong>team of top performers</strong> that will both support and challenge your growth.</p></li><li><p><strong>Lunch allowance</strong>, a <strong>subsidized sports membership</strong> and modern tech.</p></li><li><p>A <strong>new office in</strong> <strong>Garching</strong>, right on top of our own production floor.</p></li></ul><p>Vetaion is building a fully automated production facility for control cabinets in Munich. We use digital twins and robotics to automate the manufacturing process, orchestrated by VetaionOS, our own operating system for the factory.</p><p>Our mission is to strengthen Germany as a leading industrial hub. Join our team and our mission, let's reinvent