Applied AI Engineer

**At Moss, we give finance professionals the power to automate their day-to-day and make forward-thinking decisions.** **Our team and culture make us unique — we’re driven by impact and growth, where every one of us strives to learn and excel. Recognised by** [**Sifted’s Rising 100**](https://sifted.eu/rankings/b2b-saas-rising-100-2024) **and** [**LinkedIn's Top Startups**](https://www.linkedin.com/pulse/linkedin-top-startups-2024-20-aufstrebende-unternehmen-bjd0c/)**, we’re here to help propel your career and together, make Moss a lasting success.** We are hiring an Applied AI Engineer to design, build, and deploy AI-powered products that transform how finance teams work. You will work with frontier language models to create intelligent services, agents, and workflows that deliver real customer value. **Your Responsibilities** ------------------------- ### **Build AI-Powered Products** * Design, develop, and deploy AI-enabled applications and services using state-of-the-art language models. * Build intelligent agents and workflows that automate complex finance processes. * Experiment with new AI capabilities and rapidly turn prototypes into production-ready features. ### **Evaluate and Improve AI Systems** * Develop robust evaluation frameworks to measure quality, reliability, and business impact. * Improve model performance through prompt engineering, retrieval-augmented generation (RAG), and other applied AI techniques. * Ensure AI systems are accurate, trustworthy, and deliver a high-quality user experience. ### **Design for Trust and Control** * Build AI systems that are transparent, auditable, and allow users to review and intervene when needed. * Incorporate customer data into AI workflows while maintaining security and privacy standards. ### **Collaborate Across Functions** * Partner closely with product managers, designers, engineers, and finance experts to deliver customer-facing AI solutions. * Help shape Moss's AI product strategy and engineering best practices. **About You** ------------- * Degree in Computer Science, Mathematics, Engineering, or a related field. * Minimum 4 years of professional engineering experience building and shipping production applications. * Proven experience working with modern LLMs and AI application development. * Strong programming skills in both Python and Java. * Experience building backend services and APIs. * Hands-on experience with AI agents, RAG systems, prompt engineering, or related applied AI techniques. * Ability to balance rapid experimentation with production-quality engineering. * Excellent problem-solving and communication skills. **Relevant Technologies** ------------------------- Candidates should have experience with a subset of the following technologies and be eager to learn others. ### **AI & Machine Learning** * Frontier LLMs: OpenAI, Anthropic, Gemini, Llama, Mistral, or similar * Agent and orchestration frameworks: LangChain, LlamaIndex, Haystack, or similar * Retrieval-Augmented Generation (RAG) * Prompt engineering and evaluation methodologies * Fine-tuning and model adaptation techniques ### **Software Engineering** * Python and Java * REST APIs and backend application development * SQL and modern data storage technologies * Distributed systems and scalable application design ### **Nice to Have** * Experience building customer-facing AI products * Experience in fintech, finance, or enterprise software * Experience with cloud-based AI platforms such as Vertex AI, OpenAI, or Anthropic APIs **About Moss** Moss is a SaaS scale-up founded in Berlin, with a team of 300+ people from 50+ nationalities in 5 offices across Europe.  Our ambition is bold: to power every SMB’s spend across Europe - fully digital, AI-driven, and seamlessly integrated for complete control. To date, over 5000 businesses in Germany, Netherlands and the UK use Moss’ leading spend management product, with modules such as [corporate cards](https://www.getmoss.com/corporate-credit-card), [accounts payables](https://www.getmoss.com/accounts-payable), employee cash [reimbursements](https://www.getmoss.com/reimbursements) and [procurement](https://www.getmoss.com/procurement). Moss has raised a total of €180 million in funding and is backed by the most renowned tech investors including Valar Ventures, Tiger Global, Global Founders Capital, Cherry Ventures and A-Star. Be part of a culture that thrives on impact and speed, where you can take bold moves, learn fast and accomplish more. We’re a place where you can fast track your career - here's **what else to expect:** * Top-of-market compensation package, including equity.  * Our vibrant offices are at the heart of our culture, where in-person time fuels collaboration and connection over weekly breakfasts and Friday demos. * Additional benefits include: 20 days “work from abroad”, 600EUR/GBP Learning & Development Budget, and other local benefits. _Unless stated otherwise, benefits apply to full-time positions (interns and working students receive a tailored package)._ _**By applying for the above position, you will confirm that you have reviewed and agreed to our**_ [_**Data Privacy Policy**_](https://www.getmoss.com/privacy-policy)_**.**_ Find more [English Speaking Jobs in Germany](https://www.arbeitnow.com/english-speaking-jobs) on Arbeitnow