Senior AI Engineer (Python) - Conversational AI at Doctolib | Berlin

Join Our Mission to Transform HealthcareBe part of a dedicated team of innovators at Doctolib as we revolutionize healthcare accessibility!As a member of our tech department, you will play a key role in creating cutting-edge products and features that enhance the lives of healthcare professionals and patients alike. We thrive in an agile environment, collaborating closely with product, design, and business teams.Your Role as a Senior AI EngineerWe are seeking a Senior AI Engineer (Python) to join our Conversational AI (CAI) team within the Practice Efficiency domain.In this position, your primary goal will be to develop and expand our Phone Assistant product, aiming to transform patient access to care and streamline daily operations for practitioners. Leverage state-of-the-art technologies in AI, NLP, and speech recognition to create exceptional user experiences and scale your innovations to millions of users.

Join Our Mission at Doctolib! Your Role At Doctolib, we thrive in a dynamic engineering environment as we create pioneering products and features designed to enhance the lives of doctors and patients alike. We are on the lookout for an inspiring Engineering Manager - AI to join our tech teams in Berlin. You will be part of a dedicated team of innovators who are committed to revolutionizing healthcare while actively contributing to the growth of our fast-evolving company from day one! For more insights into our work, check out our technical blog! About Our Technology Environment Our solutions are developed on a fully cloud-native platform that accommodates web and mobile app interfaces, supports multiple languages, and is tailored to meet the specific requirements of various countries and healthcare specialties. We are modularizing our platform within a distributed architecture through reusable components. Our technology stack includes Rails, TypeScript, Java, Python, Kotlin, Swift, and React Native. We utilize AI ethically across our products to empower both patients and healthcare professionals. Discover our AI vision here and learn more about our inaugural AI hackathon here! Who You Are If you feel this job description aligns with your skills, even if you don't meet every requirement listed, we warmly encourage you to apply. In this role, you will be both a technical leader and a people manager, providing coaching and support to your team members while building an exceptional engineering organization at Doctolib. Your responsibilities will include: Leading a high-performing and collaborative team of 5+ members to achieve business objectives collectively. Partnering with talent and people teams to attract, develop, and retain top talent. Building, leading, and empowering a user-centric team that prioritizes exceptional internal and external user satisfaction. Collaborating with your product partner to define a mission and vision for your team, aligning on a clear roadmap to realize it. Taking ownership of the end-to-end engineering process and ensuring the team meets its objectives.

About the RoleWe are on the lookout for two highly skilled backend engineers to join our dynamic team in Berlin. You will be instrumental in advancing the development and implementation of our technology, enhancing our capacity to create core backend functionalities, and empowering other teams to utilize this backend for their projects.If you have a passion for creating exceptional products, thrive in a fast-paced environment, and are eager to contribute to the success of an ambitious startup, this is the perfect opportunity for you.Our Tech Stack:Python / FastAPIPostgreSQL / MongoDB / ElasticCloud LLM providers + bare metal GPUsGCPAs an early team member, you will assume significant responsibilities from day one, with the chance to influence our technological architecture and infrastructure.Join one of the most ambitious AI companies today, collaborating with a world-class team of experts in their fields, and experience an incredibly stimulating work environment. In This Role You WillLead the delivery of complex projects, coordinating with cross-functional teams, and ensuring timely completion of essential components.Develop a deep understanding of Reliant's vision and integrate this into your architectural and process decisions in daily operations.Offer insights to refine UI/UX concepts and assist in the planning of backend and infrastructure development.Take proactive responsibility for long-term code quality and architecture. About YouThe ideal candidate will have a proven track record in backend or full-stack development, with a focus on rapid innovation and effective systems design that supports growth opportunities for both the product and the team.To thrive in this role, you should possess the following skills and experiences:5+ years of demonstrated experience in building backend services or distributed systems.Ability to design, develop, test, and maintain backend services and APIs that support product features, including writing robust, production-quality code.Engage in system and service design; contribute to architectural discussions and make informed trade-offs regarding scalability, latency, cost, and reliability.Navigate ambiguity effectively; translate vague or high-level requirements into actionable implementation plans.Collaborate with cross-functional partners including product management, frontend, UX, data, and operations to define requirements, plan implementations, and deliver features.Ensure high code quality by writing, reviewing, and improving unit/integration tests; actively participate in code reviews.

Be a Part of Our Vision at Doctolib!Your RoleWe are seeking a dedicated Senior Backend Software Engineer to join our newly established team focusing on user rights and permission management. In this pivotal role, you will set the benchmark for access control within the Doctolib platform, safeguarding sensitive user and financial data while facilitating efficient workflows for healthcare professionals.Your key responsibilities will include:Developing Advanced Authorization Systems: Create and deploy scalable authorization frameworks, incorporating role-based and API-driven controls that cater to both clinical and financial functionalities.Modernizing Legacy Systems: Streamline and enhance legacy access models (such as EHR authorizations) to ensure compliance with data protection and privacy regulations.Cross-functional Collaboration: Partner closely with product, legal, and data protection teams to deliver privacy-compliant solutions.API Development: Design and manage robust APIs for permissions and authorization, enabling extensive platform integration.Implementing Access Control: Establish access control measures for emerging roles, such as Medical Front Assistant and new Clinical & Financial administrative positions.About Our Technology LandscapeOur solutions are built on a fully cloud-native platform supporting web and mobile app interfaces, multilingual capabilities, and tailored to meet country and healthcare specialty requirements. We are modularizing our platform to operate within a distributed architecture through reusable components.Our technology stack includes Rails, TypeScript, Java, Python, Kotlin, Swift, and React Native.We utilize AI ethically across our products to empower both patients and healthcare professionals. Discover our AI vision here and learn about our inaugural AI hackathon here!

Join Our Mission at Doctolib!Together, we are shaping the future of healthcare—making it digital, accessible, and better for everyone. As a Customer Success Specialist (m/f/d), you will be a subject matter expert in your team, significantly contributing to the success of your client portfolio with your knowledge. You will develop compelling business arguments, support your team in challenging situations, and continuously optimize processes and methods for even better results and more satisfied clients.Your dedication helps healthcare professionals ease their daily tasks so they can focus on what truly matters: providing the best care for their patients. Your Responsibilities:Be a Subject Matter Expert: Bring in-depth commercial and technical expertise to actively support achieving the goals of your client portfolio.Manage Key Accounts: Apply proven methods for key account management, including regular business meetings, strategic planning, and tailored support concepts.Drive Revenue Growth: Conduct contract expansions, articulate client benefits, and assist with commercial implementation.Coach and Empower Team Members: Share best practices and provide methodological support in demanding client and contract situations.Enhance Work Processes: Identify improvement potentials, implement them, and thus increase the effectiveness and scalability of customer support.Collaborate Across Departments: Work with relevant stakeholders to address recurring issues and continuously improve overall customer care. Your ProfileA quick note: If you feel that your skills fit this job description even if you don't meet every single requirement, we encourage you to apply!To join our team, you should have:

Join doctolib as an Employer Brand Lead, where you will be at the forefront of shaping our company’s image as a top employer in the healthcare industry. You will be responsible for developing and executing innovative employer branding strategies that resonate with our core values and attract top talent. This role requires a creative mindset and strong communication skills to engage with potential candidates and enhance our brand presence across various platforms.

About UsAt reliant-ai, we are dedicated to transforming decision-making in an age of overwhelming information. Our mission is to develop the next generation of machine learning software, leveraging generative AI to analyze critical data sources and deliver comprehensive, factual answers to complex inquiries.We believe that the true potential of generative AI can only be achieved by tackling the world's most significant information challenges. With over two decades of expertise in reinforcement learning and natural language processing, we are poised to make a substantial impact in this field.Our team consists of scientists, builders, and entrepreneurs who have pioneered some of the most influential AI applications. Having led teams at industry giants like Google, DeepMind, and EY Parthenon, we now connect cutting-edge AI research with the biopharma sector.

Join Our Mission at Doctolib!Are you passionate about technology, customer service, and ensuring client success? Take the next step in your career with Doctolib as a Technical Onboarding Consultant!In this role, you will facilitate a seamless onboarding experience for our users through data migration and IT infrastructure checks. You will be involved in the customer journey from the outset, assisting practices and hospitals in adopting our products alongside our deployment teams and healthcare professionals that you will provide technical guidance to. As you progress, we will collaboratively expand your portfolio of supported products, enhancing the diversity of your daily tasks.

Join Our Mission at Doctolib! Be a part of shaping the future of healthcare with us – digital, accessible, and better for everyone. As a Customer Success Representative (m/f/x), you will play a crucial role in supporting your team, ensuring that our operations run smoothly. You will efficiently handle customer inquiries, maintain high data quality, and create the foundation for long-lasting customer satisfaction and sustainable growth.With your dedication, you will help healthcare professionals streamline their daily tasks, allowing them to focus on what truly matters: providing the best possible care for their patients.Your ResponsibilitiesOperational Support: Ensure smooth daily operations by executing standardized processes while managing your customer portfolio.Inquiry Assessment: Evaluate incoming customer requests, coordinate their escalation within the team, and ensure efficient processing.Data Quality Assurance: Maintain and update relevant customer data, documenting interactions and important information systematically.Product Configuration: Set up and optimize product settings in Doctolib to enhance customer experience.Customer Journey Support: Assist customers through all phases of collaboration, including contract completions, cancellations, and organizational topics like license transfers.Team Collaboration: Work closely with your team to implement operational priorities and contribute to goals such as customer satisfaction, retention, and growth.

Join Doctolib as a Medical Data Intern in our Terminology and Ontology team within the Medical Excellence department, where you will play a critical role in medical initiatives that directly impact public health. Collaborating closely with healthcare professionals, including doctors and physiotherapists, you will contribute to the development of our Patient Mobile App in Italy, which empowers patients to schedule appointments, manage their health data, and stay informed about health topics.Your responsibilities will include:Collecting and formatting various sets of terms needed to describe pathologies, allergies, and treatments using standard terminologies such as ICD10 and SNOMED CT.Adapting these terms into patient-friendly language.Translating labels from English to Italian.Selecting and validating terms in consultation with medical experts.Sharing your findings and methodologies with both the terminology and product teams.Delivering the finalized terms to the tech teams in the appropriate format.

Become a part of Voyfai, a rapidly expanding Series A startup redefining logistics and technology throughout Europe.Located in the vibrant city of Berlin, we are at the heart of a diverse portfolio of companies engaging across multiple European markets.This is an exceptional opportunity to take the reins from the outset, create significant impact, and develop your career in an agile, fast-moving atmosphere. Whether you’re optimizing processes, formulating strategies, or spearheading initiatives, your efforts will directly contribute to the success of Voyfai and the enterprises we empower. If you have a passion for building innovative solutions and wish to join a rising star, we encourage you to reach out!Your RoleAs a Senior AI Engineer at Voyfai, you will be instrumental in crafting, developing, and scaling LLM-driven and applied GenAI systems that enhance our main offerings. You will collaborate closely with Product, Engineering, and Business teams to convert complex, unstructured challenges into effective, production-ready AI solutions.This role is hands-on and focused on delivering tangible results. You will take full ownership from identifying use cases and designing prompts or models to deploying, monitoring, and continuously improving systems in production, with a strong emphasis on real-world reliability and business outcomes.Key Responsibilities:Design, develop, and implement LLM-driven and GenAI features for impactful, real-world applications.Build and manage end-to-end GenAI pipelines, encompassing prompt design, model selection or fine-tuning, evaluation, and deployment.Integrate foundational models into production systems, prioritizing latency, cost-efficiency, reliability, and quality.Collaborate with Product Managers and Engineers to convert vague business challenges into scalable AI solutions.Oversee production AI systems, including monitoring, evaluation, guardrails, and feedback mechanisms.Contribute to architectural choices regarding AI platforms, retrieval systems, vector databases, and LLMOps tooling.Elevate the technical standard through code quality, documentation, and mentorship.What You Bring:Several years of experience as an AI Engineer, Machine Learning Engineer, or in a related role, with a hands-on focus on LLMs and applied GenAI in operational environments.Strong grasp of LLM behavior, prompting techniques, evaluation strategies, and common failure modes.Proven track record of successfully implementing AI solutions that drive business value.

scalablegmbh is seeking an AI Software Engineer with a strong background in Python to join the team in Berlin. This position centers on building AI solutions that support a range of projects and drive progress within the company. Role overview The AI Software Engineer will use Python to design and implement AI-driven features. Collaboration with colleagues is essential, as projects often require joint problem-solving and creative thinking. The work involves addressing technical challenges and contributing to the ongoing development of AI technologies at scalablegmbh. What you will do Develop AI solutions using Python Work closely with team members to deliver project goals Contribute ideas and technical expertise to shape future AI initiatives Requirements Experience with Python in AI-focused projects Enjoy working in a collaborative setting Motivation to solve complex problems and advance AI technology

Join Our Mission at Doctolib!Are you passionate about solving technical challenges and leading teams to success? Welcome to Doctolib!As the Technical Support Team Lead, you will oversee a dedicated team that assists healthcare professionals and clinics in utilizing our B2B SaaS solution—from onboarding to ongoing support.Your Impact: You will ensure that our healthcare customers can rely on Doctolib daily, swiftly resolving technical issues and continuously improving your team's performance.

Join Arbio, a pioneering AI-driven hospitality company, and be part of our mission to revolutionize short-term rentals across Europe.At Arbio, we leverage cutting-edge technology to enhance efficiency, elevate guest experiences, and streamline operations in the short-term rental sector. Our rapidly growing team is dedicated to shaping the future of hospitality with innovative AI solutions, all while fostering a culture of performance and accountability. Come aboard and help us lead the industry into a new era of growth and innovation.As a Senior AI Engineer, you will be instrumental in developing the intelligence framework that underpins our operations, from property management to guest services. We are focused on creating advanced Retrieval-Augmented Generation (RAG) systems that convert disparate data into immediate, actionable insights, empowering our teams to provide world-class guest experiences.Your contributions will include:Designing high-performance RAG pipelines utilizing MongoDB Vector DB for rapid semantic search capabilities.Building agent workflows based on LangChain for complex reasoning tasks.Integrating various LLM providers such as Claude, OpenAI, and Gemini.Writing maintainable and scalable TypeScript code to facilitate our growth.Monitoring and optimizing using LangSmith and other LLMOps tools.Collaborating with a dynamic, agile team to push the boundaries of AI in the hospitality field.

Your ImpactJoin our dynamic DIAL team within the Phone Assistant domain as a Senior Software Engineer. Your mission is to transform patient access to care and optimize daily practice management for healthcare providers through our innovative Phone Assistant solution.You'll collaborate within a feature team to develop cutting-edge AI-driven voice services that enhance phone interactions for millions of users in Germany, France, and Italy.At Doctolib, being part of our tech team means you are building impactful products and features aimed at improving the everyday experiences of care teams and patients alike.

Join our innovative team at akirolabs as a Senior AI Engineer, where you'll play a crucial role in designing and implementing cutting-edge artificial intelligence solutions. We are looking for a passionate individual who thrives in a dynamic environment and is ready to take on challenging projects that push the boundaries of technology.

Role Overview Cosuno is looking for a Senior AI Engineer to join the AI team, working from Berlin or remotely. This role focuses on building and refining the intelligent systems that drive Cosuno’s platform for the construction industry. What You Will Do AI Agent Development: Design and improve intelligent agent systems that handle the complex tendering process using multi-step reasoning. End-to-End Product Integration: Own feature delivery across the stack, from model and API to the TypeScript front-end, making sure new capabilities fit smoothly into the web application. Ranking, Search, and Retrieval: Improve systems for subcontractor matching and marketplace search, focusing on ranking and retrieval performance. Price Prediction: Enhance models that estimate fair pricing for construction projects, helping users evaluate bids and make procurement decisions. Experimentation and Evaluation: Run offline evaluations, set up A/B tests, and use metrics to guide iterative improvements. Cross-Team Collaboration: Work closely with Product, Engineering, and Data teams to turn business challenges into meaningful ML and AI solutions. Production ML and AI Maintenance: Monitor, alert, and continuously improve all deployed machine learning and AI systems.

About RealistRealist is a pioneering WealthTech startup located in Germany, dedicated to revolutionizing the financial sector with state-of-the-art technology, insightful data analytics, and robust financial infrastructure. As we enhance our platform and technological capabilities, we are in search of a seasoned Senior Software Engineer to join our expanding team in Berlin and contribute to the creation of next-generation financial systems.About the RoleIn the capacity of Senior Software Engineer, you will be instrumental in designing and developing high-performance financial systems that efficiently handle vast quantities of data in a secure manner. You will collaborate closely with product, engineering, and data teams to architect scalable systems and aid in the development of intelligent, AI-driven financial applications.This position demands substantial experience in backend engineering, distributed systems, and data-intensive architectures, combined with a mindset conducive to a dynamic startup environment. We are particularly interested in candidates who are quick learners, capable of swiftly adapting to new technologies and evolving challenges.Key ResponsibilitiesDesign, develop, and maintain scalable backend systems that support data-intensive financial applications.Build and optimize high-performance OLTP systems for transaction-heavy workloads.Contribute to system architecture and design, ensuring reliability, scalability, and maintainability.

Legal teams often find themselves overwhelmed by monotonous tasks, causing delays across the organization. At Flank, we are revolutionizing this scenario.We operate at the forefront of AI innovation, developing the next generation of autonomous agents tailored for enterprises. We have successfully secured a $10M Series A funding round led by Insight Partners (US), with ongoing support from Gradient Ventures (Google’s AI fund), HV Capital, and Speedinvest (EU).Our solution is not merely an optional tool for small startups; we are actively deploying Flank agents within multinational corporations exceeding 100,000 employees, fully automating workflows that were previously deemed unsolvable. Our agents function continuously, under defined parameters with customer oversight, escalating only exceptions to legal for evaluation. Every action and request is transparent and auditable, assuring customers complete visibility over their automated workforce.We are on the lookout for a skilled AI Engineer to spearhead our applied AI projects.In our dynamic startup environment, you will collaborate closely with product, design, and commercial teams to deliver tangible AI solutions — moving beyond mere research experiments.Your responsibilities will include harnessing emerging technologies alongside a team of legal experts to enhance the intelligence and autonomy of our agents.This role may involve the creation of an evaluation framework in partnership with our legal team, or developing a hypervisor that governs each aspect of our agentic system, ensuring alignment with best practices in legal AI systems.

Role overview repriskag is hiring a Senior AI Engineer based in Berlin. This position centers on designing and building advanced AI solutions aimed at solving complex problems in a range of industries. The work requires a strong technical background and a creative approach to applying AI methods. Collaboration is central to this role. The Senior AI Engineer will work closely with engineers and researchers, sharing ideas and exploring new directions in AI technology. The team values open communication and a willingness to tackle novel challenges together. What you will do Design and implement AI solutions for diverse industry problems Collaborate with engineers and researchers to develop new AI approaches Contribute to discussions on emerging AI technologies and their practical applications Location This role is based in Berlin.