Fullstack AI Engineer (m/w/d)

Welcome to Assist Digital in Leipzig!

Here, innovation and internationality meet a collegial Saxon team where the sense of togetherness is paramount.

We are a pan-European company specializing in CX transformation, with a focus on business consulting, technology, data, and AI-powered intelligent processes. With a results-oriented entrepreneurial mindset and a customer-centric philosophy, we support digital transformations across the entire customer lifecycle.

Getting you fit for transformation

We are looking for a person with specialist expertise who not only designs and implements production-ready Conversational AI solutions, but also actively shapes the technological pioneering role of our location.

Fullstack AI Engineer (m/f/d) – Conversational AI
Full-time, start immediately

Your tasks with us

In this role, you will be responsible for developing and optimizing intelligent applications to automate complex business processes and for increasing service efficiency through state-of-the-art AI technologies.

• AI Engineering: Conception and development of scalable RAG (Retrieval-Augmented Generation) systems using Vector Search.

• Backend & Orchestration: Development of robust Python backend pipelines and seamless integration of Large Language Models (e.g., Gemini).

• Guardrails: Design of complex system prompts and implementation of security and cost control mechanisms.

• Integration: Flexible connection of AI solutions to existing IT infrastructures and third-party systems, as well as development of agent interfaces.

• Interface architecture: Design of interface architectures to embed AI-supported functions directly into standardized CRM and low-code environments.

• Service: Taking over 1st and 2nd level responsibility as part of our on-call service (24/7 duty roster).

This is what you bring with you

• Qualification: Completed studies in computer science, business informatics or a comparable qualification with a focus on AI / Data Science.

• Professional experience: Solid experience in software development with Python as well as practical project experience in the field of Generative AI and LLM infrastructures.

• Software skills: Proficient use of modern software engineering practices (testing, Git, code reviews). Confident use of Google Workspace is essential for us.

• Expertise: Excellent Python skills, deep understanding of LLM core concepts (context windows, embeddings) and Vector databases. Experience in deploying AI models and agent pipelines as REST APIs for seamless integration into enterprise low-code platforms. Experience with GCP/Vertex AI or frontend frameworks like Vue.js/React is a plus.

• Soft skills: A pragmatic "hands-on" mentality, strong analytical problem-solving skills, and the ability to document complex technical AI concepts in an understandable way.

• Languages: Fluent German (C1) and good English skills (B1/B2) for working with international frameworks and documentation.

• Formalities: A valid work permit for Germany is mandatory. Please note that we cannot offer a relocation package (moving assistance) or visa sponsorship for this position.

This is what we offer you

Want some insights?
Visit our LinkedIn page Assist Digital | LinkedIn or get first-hand feedback from our Leipzig team on kununu.

• Transparent compensation & security: Permanent contract and a gross annual salary between €45,000 and €60,000 (based on your experience and qualifications).

• Flexibility & work-life balance: Hybrid working (usually 3 days together in the office, the rest flexibly remote), individually tailored working time models and a childcare allowance.

• Culture & sense of community: Flat hierarchies, direct participation instead of rigid reporting lines and genuine team spirit (from bi-weekly breakfasts to foosball rounds and summer and Christmas events).

• Growing together: We focus on long-term collaboration and discuss your individual development opportunities personally and precisely.

• Feelgood & Benefits: Modern office in Leipzig city center (easily accessible, lockable bike storage). Free coffee, tea, fruit, and snacks. Weekly office yoga and on-site massages provide relaxation. Office dogs are also welcome.

• Diversity & Tolerance: We stand for equal opportunities. For us, the individual counts with their personality and abilities – regardless of origin, age, gender, religion or disability.

Start your application now!

Are you keen to take our Business Services team to the next level? Then apply online with your documents (resume, certificates) stating your earliest possible start date.

You dare!

You don't meet all the requirements 100%? Apply anyway! We're looking for individuals, not perfect checklists. In an initial conversation, we'll answer your questions and explore other options together.

Brief profile of Assist Digital

We transform innovation into measurable success. As a specialized partner for Customer Experience (CX), we combine human creativity with the power of artificial intelligence. Our goal: end-to-end solutions that delight customers and transform businesses.

What sets us apart:

• Next-Level CX: We design and implement customer journeys that deliver real results.

• AI-First DNA: From AI-powered insights to intelligent chatbots and voicebots – we are pioneers in the application of artificial intelligence.

• End-to-End Impact: We optimize marketing, sales and service through the perfect symbiosis of consulting, technology and operations.

Our core competencies:

• Intelligent Operations: Global customer service in 15+ languages, supported by state-of-the-art AI technology.

• CX Consulting: Strategic consulting for digital transformation, brand strategy and change management.

• CX Technology: Development of complex ecosystems (CRM, CMS, cloud platforms and workforce management).

• Data & AI: Experts in data analysis and the development of future-oriented bot solutions.