Product Engineering Intern

Our missionWe are building the operating system for the €20B German tax advisory industry.At Limetax, we acquire established tax advisories and transform them into high-performing, technology-enabled businesses. Instead of building software in isolation, we work directly on real companies, real workflows, and real data.Our goal is simple: reduce manual work in tax advisory and redefine how tax operations are run — through applied AI.Your missionAs a Product Engineering Intern, you will work on systems that improve and automate real operational workflows inside modern tax firms.You won’t be working on theoretical side projects or internal mockups. From day one, you will contribute to systems and workflows that are actively used in production across accounting, payroll, reporting, and client operations.At the same time, this internship is designed to give you hands-on exposure to how scalable operational systems are built in practice. You will work closely with founders, operators, engineers, and tax professionals while gradually taking ownership of projects with close support from the team.Your work will directly impact how tax professionals operate on a daily basis.How your day-to-day will look like Analyze Operational WorkflowsUnderstand and map workflows across accounting, payroll, reporting, and client communication.Build Workflow SystemsDesign and improve operational systems using internal software, APIs, automation tools, and AI.Identify BottlenecksAnalyze repetitive work, operational inefficiencies, and workflow failure points.Prototype FastBuild MVPs and internal tooling to validate operational improvements quickly.Improve Operational ReliabilityHelp turn fragile manual workflows into scalable, repeatable systems.Operate in ProductionMonitor, evaluate, and continuously improve systems running in real operational environments.Collaborate CloselyWork directly with founders, operators, engineers, and tax professionals to improve how work gets done.Think in SystemsFocus on processes, scale, reliability, and operational excellence — not just individual tasks.Is it you we are looking for?You are...Studying Computer Science, Information Systems, Business Informatics, Engineering, Operations, or a related fieldInterested in automation, AI, operational systems, and workflow designCurious about how businesses actually operate behind the scenesComfortable working in fast-moving and ambiguous environmentsStructured, analytical, and highly execution-orientedSomeone who enjoys solving operational problems and improving workflowsInterested in building systems that are used in real production environmentsComfortable working hands-on with tools, data, and processesExcited to take ownership early on while learning directly from an experienced teamAble to collaborate with both technical and non-technical stakeholdersExperience with Python, APIs, automation tools, Notion, Airtable, Zapier, Make, or AI tooling is a plus.Why Limetax?Real impact from day oneYou will work on systems that are actively used in production and directly improve real operational workflows across multiple firms.Real world problemsWork with real processes, real operational constraints, and real company data — not isolated demo environments.Ownership early onYou won’t just support — you will take ownership of meaningful projects and improvements from early on.Tight feedback loopSee how your work performs in real workflows and iterate quickly.Steep learning curveLearn how scalable operational systems are built in practice while working closely with experienced builders.Path to full-timeStrong performance can directly lead to a full-time role.Ideal Start DateFrom 01.08.2026 onwardsLocationThis role is based in Berlin.Find more English Speaking Jobs in Germany on Arbeitnow