Senior Full Stack Software Engineer, GovTech & AI

Job not on LinkedIn

🕒 4 days ago

🌐 Germany, Austria – Remote

🇩🇪 Germany – Remote 🇦🇹 Austria – Remote

💵 €4.1k / month

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 0%

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Lexaru GmbH

WebsiteLinkedInAll Job Openings

1 - 10 employees

Founded 2025

🏛️ Government

🤖 Artificial Intelligence

☁️ SaaS

Government • Artificial Intelligence • SaaS

Lexaru GmbH is a German-made SaaS provider that builds GDPR-compliant, server-hosted software to help municipal immigration/foreigner authorities automate and streamline casework. Their solution uses explainable AI to extract and validate data from diverse documents (PDFs, emails, foreign-language records), reduce routine manual tasks, and support overloaded caseworkers—claiming up to 80% time savings per case. Lexaru is developed with public-sector partners, hosted on German servers with relevant certifications, and is deployed in multiple German municipalities.

📋 Description

• Develop full-stack features and fully fledged internal tools from ideation through architecture, implementation, and testing to rollout • Design straightforward UI/UX and carry out the necessary backend engineering • Develop rapid MVPs and mature features for production use • Design and develop LLM-based features and agentic workflows, and integrate them into products • Use prompt and context engineering, RAG, tool calling, and structured model outputs • Make architectural and model decisions and develop appropriate evaluation methods • Ensure reliable operations through guardrails, logging, and monitoring • Improve quality, runtime, and costs based on measurable results • Contribute to the platform architecture for services, data models, and security • Share responsibility for deployment, CI/CD, and monitoring • Ensure security, performance, cost efficiency, and stability in production • Work closely with the founders and customers • Translate user needs into technical solutions and clear user stories • Contribute to prioritization and make pragmatic technical decisions

🎯 Requirements

• Several years of experience in professional full-stack product development; four or more years is a guideline • Excellent knowledge of TypeScript and modern frontend frameworks, ideally Svelte or Vue • Excellent knowledge of modern backend technologies such as Node.js or Django • Experience with relational databases, ideally PostgreSQL, including schema design and the fundamentals of performance optimization • Hands-on experience developing and operating LLM-based applications, including RAG, tool calling, and structured model outputs • Ability to independently design and integrate AI workflows and improve them through systematic evaluation and error analysis • Structured, reliable working style and clear communication • Willingness to take ownership and contribute your own ideas • Interest in understanding administrative processes and systems used by public authorities • Ability to prioritize independently and make decisions in an early-stage environment with few established processes • Clear documentation, such as architecture notes, ADRs, and onboarding documentation • Excellent German and English language skills

🏖️ Benefits

• Permanent employment contract • 40 hours per week • 25 days of annual leave • Remote-first work • Option to use offices in Garching • Professional and personal development through hands-on experience, regular feedback, and ownership of projects • Opportunities for technical specialization, increasing responsibility, or leadership roles • Travel expenses covered for in-person meetups • Bonuses available • Employee equity participation may be available

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