(Senior) AI Engineer – AI Booster Team (f|m|d)

Join idealo’s innovative AI Booster Team, where we drive the integration of generative AI technology across the organization. Collaborate closely with product teams to create reusable AI workflows and promote industry best practices. In this role, you will be pivotal in designing and deploying scalable LLM systems and agentic workflows, transforming concepts…

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 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 Delivery Hero as a Staff Software Engineer specializing in AdTech Demand. In this key role, you will be pivotal in shaping our advertising technology solutions, driving innovation, and enhancing the user experience for our global audience. We are looking for a passionate engineer who thrives in a collaborative environment and is eager to tackle complex challenges.

About UsHelsing is a cutting-edge AI company dedicated to advancing defense technologies. Our mission is to safeguard democratic values and ensure that societies can make autonomous decisions while upholding ethical standards. We are committed to responsible technology development and deployment, particularly in the realm of AI.Our team comprises driven engineers, AI experts, and client-facing program managers united by a common purpose: tackling the most challenging and significant problems. We foster a culture of transparency and encourage open discussions surrounding the ethical implications of technology in defense.The PositionAs an AI Research Engineer at Helsing, you will be at the forefront of innovating autonomous decision-making systems for defense. Your work will encompass a wide range of AI applications, including extensive data processing, reinforcement learning agent training, and the development of large-scale foundational models. Collaborating within a diverse team, your responsibilities will include architecting and implementing robust tools and platforms that drive these advancements. You will focus on abstracting complex distributed systems to enhance training efficiency and developer productivity. We seek engineers who can effectively blend machine learning with systems engineering to create scalable solutions.Key Responsibilities:Enhance our integrated deep learning frameworks, built on PyTorch, to make them efficient and user-friendly across various applications.Expand our infrastructure and tooling to facilitate faster and larger-scale distributed training.Devise data strategies to manage extensive datasets effectively.

Join our innovative team as a Staff Frontend Engineer, where you will play a pivotal role in shaping the future of our applications and web products. You will collaborate closely with cross-functional teams to design, develop, and enhance user-friendly interfaces that deliver exceptional user experiences.

Transform the Travel ExperienceJoin GetYourGuide in reshaping the way people explore the world. We connect millions with unique and memorable activities, driven by our dedication to making every journey extraordinary—including yours.Are you ready to unlock your potential alongside a community of fellow adventurers? Explore your next opportunity at our Berlin headquarters or one of our global offices, from New York to Bangkok. Visit getyourguide.careers to take the first step.Team MissionAt the AI Platform team, our goal is to empower Mission Teams across GetYourGuide to independently build and operate robust LLM features, democratizing AI development while ensuring the product quality our users expect.As the Engineering Manager for our AI Platform team, you will spearhead the vision, strategy, and execution necessary to enable and scale AI-powered capabilities across our product range. You will oversee the development and evolution of a centralized AI infrastructure designed to make LLM development systematic, reliable, and scalable. Your team will create evaluation systems, abstraction layers, and safety measures, enabling Mission Teams to deploy AI features with confidence and speed, ensuring GetYourGuide delivers trustworthy, high-quality AI experiences to travelers worldwide.Your ResponsibilitiesLead hiring and performance management processes for your Engineering team, empowering your engineers to excel in this dynamic and rapidly evolving field.Drive impactful projects and outcomes by managing the team’s roadmap and portfolio allocation.Tackle complex technical challenges that span multiple services and business domains, ensuring Mission Teams can create production-grade LLM features confidently.Promote best practices for LLM development across the technology landscape.Balance the pace of innovation with production standards to ensure the platform supports speed without compromising quality, security, or reliability.Establish strategic partnerships with key stakeholders across product and engineering leadership, as well as vendor relationships, to align platform capabilities with business objectives.Your Skill SetYou possess a strong sense of ownership, ensuring that technical and product plans align with stakeholder interests, team goals, and organizational objectives.You approach complex problems with an open mind and a collaborative spirit.

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.

Join GetYourGuide as a Senior AI Enablement Engineer, where you will leverage your expertise in artificial intelligence to enhance our product offerings. In this pivotal role, you will collaborate with cross-functional teams, driving the integration of AI technologies into our platforms, ultimately enhancing user experience and operational efficiency.Your contributions will shape the future of travel experiences, directly impacting how customers interact with our services. If you are passionate about AI and ready to make a significant impact in a dynamic environment, we want to hear from you!

Intercom builds AI-powered customer service tools for businesses worldwide. Our flagship AI agent, Fin, helps companies deliver responsive support at any hour. Combined with our Helpdesk, these tools form the Intercom Customer Service Suite, which blends AI automation with human expertise for more complex questions. Since 2011, nearly 30,000 businesses have relied on Intercom to improve their customer experience. Our team values fast iteration, continuous learning, and delivering real value to clients. Role overview Intercom is hiring Senior AI Infrastructure Engineers in Berlin to design and scale the systems behind our next generation of AI products. The AI Infrastructure team works across the stack, from GPU-level programming to the user-facing agents that handle millions of support conversations each month. This group builds and maintains training pipelines and inference systems for custom models like Fin Apex, which are central to our AI offerings. Collaboration with a tight-knit, highly skilled team is part of the role. What you will do Develop and scale training pipelines for large transformer and LLM models, including data ingestion, preprocessing, distributed training, and evaluation. Build and optimize inference services for low-latency, reliable customer experiences, covering autoscaling, request routing, and fallback mechanisms. Improve GPU-level performance by tuning kernels, increasing utilization, and identifying bottlenecks across both training and inference stacks. Work closely with machine learning scientists to implement new training and inference techniques. What we look for Demonstrated experience in model training or inference at scale, with strong skills in low-level GPU programming (such as CUDA or Triton). Experience across multiple areas is a bonus.

Transform the Future of TravelBecome part of the GetYourGuide mission to connect travelers with unforgettable experiences worldwide. Our platform is trusted by millions for unique activities, all driven by our commitment to enhance each journey — including yours. Are you ready to unlock your potential alongside a community of fellow explorers? Explore your next opportunity at our Berlin headquarters or one of our regional offices worldwide, from New York to Bangkok. Visit getyourguide.careers to take the first step.Team MissionThe Supply Tech team empowers suppliers to deliver outstanding experiences at scale, enabling travelers to discover and book top-quality activities with confidence. We develop the essential platform and product capabilities that allow our supply partners to thrive: broadening their reach, maximizing revenue, differentiating their offerings, and streamlining operations through effective tools and support, all while ensuring a reliable marketplace characterized by fairness and transparency.Our group is driven by AI and a platform-oriented mindset, collaborating closely with Product, Design, Data, and Business teams to implement robust systems that scale within a complex supplier ecosystem. We grant engineers high levels of autonomy and ownership, encouraging practical trade-offs while maintaining high standards of quality, integrity, and long-term market adaptability.Your RoleEstablish the technical direction for Supply Tech: define target architecture, quality benchmarks, and multi-quarter technical initiatives that foster supplier growth (including self-serve onboarding, optimization, and quality assurance).Lead cross-functional collaboration on intricate projects: facilitate alignment, coordinate tasks across teams, and deliver measurable results while managing dependencies and trade-offs.Design and enhance scalable, maintainable systems facilitating supplier workflows (onboarding, catalog quality, and optimization cycles), emphasizing simplicity, resilience, and long-term viability.Elevate engineering standards and operational excellence: enhance reliability, monitoring, and incident preparedness; minimize systemic technical debt; and ensure our services operate safely at scale.Translate business objectives into technical strategies: collaborate closely with Product, Design, Data, and Commercial stakeholders to clarify outcomes, propose solution alternatives, and make decisions that balance speed, accuracy, and strategic flexibility.Develop effective methodologies for the team: promote reusable patterns (platform primitives, guidelines, etc.) and support engineering best practices.

Join Machine Learning Reply, a leader in transforming advanced AI technology into practical, scalable solutions for organizations. We are searching for an enthusiastic AI Application Engineer to help create AI-driven applications and intelligent features leveraging cutting-edge machine learning and generative AI technologies.As part of our innovative team, you'll focus on developing user-centric AI applications, translating AI capabilities into market-ready products.This role positions you at the nexus of AI engineering, backend development, product design, and cloud deployment, crafting production-ready AI systems that deliver significant business impact.Key Responsibilities:Design and develop AI-powered applications for enterprise clients, including digital assistants, AI copilots, semantic search systems, and intelligent automation solutions.Create applications powered by LLM and Retrieval-Augmented Generation (RAG) using the latest AI frameworks.Develop comprehensive AI products that integrate LLM APIs with enterprise data sources and backend services.Architect scalable AI microservices and APIs to embed AI functionalities into enterprise platforms.Implement vector search, embeddings pipelines, and knowledge retrieval systems.Rapidly prototype AI features and proofs-of-concept, transitioning them to production-grade systems.Collaborate with product managers, designers, AI engineers, and enterprise clients to create impactful AI solutions.Deploy AI systems on cloud platforms following modern DevOps practices.Ensure reliable, scalable, and observable AI services through CI/CD pipelines, monitoring, and containerized deployments.What We Offer:An open and collaborative environment within the global Reply network, allowing you to build next-generation AI applications.Interdisciplinary collaboration with teams comprising AI engineers, software developers, and data scientists across diverse industries such as Banking, Insurance, Automotive, and Retail.An active social program featuring paid training, conferences, communities of practice, hackathons, and Reply XChange.Monetary benefits including a mobility package, gym subsidies, insurance, and pension schemes.

At Entyre, we are dedicated to revolutionizing healthcare by effectively balancing the needs for care through the innovative integration of human expertise and cutting-edge technology. Our committed care consultants operate internationally, empowered by our proprietary software solutions.We hold a strong belief that individuals requiring care, supported by their families at home, deserve to lead a self-sufficient and dignified life within their own residences. Through our initiatives Pflegewegweiser and Entyre Care, we strive to fulfill this vision by focusing on two fundamental aspects: delivering professional support to family caregivers across all domains of home care with our extensive knowledge and ensuring fair financial compensation for their invaluable contributions. Moreover, we are actively engaged in developing pioneering solutions in partnership with academic collaborators.In this essential, dynamic, and international setting, we are seeking a Staff Engineer (m/f/d) to become an integral part of our team in Berlin.Role OverviewWe are in search of a seasoned Staff Engineer to take charge of the entire software development lifecycle, encompassing design, implementation, and deployment. In this pivotal position, you will apply your profound technical knowledge to create high-quality, scalable software solutions while working closely with stakeholders across Germany, Switzerland, and the United States. Your contributions will be instrumental in defining our technical strategy and fostering ongoing enhancements within our systems and processes, ultimately making a significant impact on our growth journey.

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.

Important: This position requires relocation to our Milan office.About SatispayAt Satispay, we are on a mission to transform the landscape of everyday payments, making them straightforward, equitable, and accessible for everyone. Our vision extends even further as we aim to redefine the future of finance. We are a collective empowering millions, united by a shared ambition to confront significant challenges together. And we’re just getting started.We embrace agility, encourage bold thinking, and foster a culture of trust where challenging the status quo is celebrated. If you seek more than just a job – if your goal is to create a lasting impact alongside a talented team – you have found the right place.Your RoleAs a Staff Software Engineer within the Consumer Wealth team, you will take on a pivotal and strategic role in determining how our users grow and manage their savings and investments. Your expertise will be essential in driving initiatives that empower millions to enhance their financial well-being through our innovative savings products, invested money box, and investment solutions.Here’s an overview of your responsibilities:Technical Strategy Development: Define the technical strategy for the Consumer Wealth domain, architecting complex subsystems that power savings and investment features, ensuring cross-product harmonization, and leading effective initiatives that impact multiple teams.Architectural Advancement: Design and implement scalable, high-quality systems that resolve intricate financial engineering challenges, including the management and simplification of complex back-end systems for savings and wealth management.Technical Leadership: Foster cross-organizational relationships to ensure technical alignment, represent our technical vision internally and externally, and stay ahead of emerging technology trends in the FinTech and wealth management sectors.Talent Development: Mentor the next generation of technical leaders and promote a culture of excellence in engineering and continuous improvement.Impact Generation: Contribute significantly to helping users grow their wealth and achieve their financial objectives through enhancements to the Consumer Wealth back-end infrastructure, directly supporting Satispay's mission.Prepare for a role filled with challenges, collaboration, and the freedom to bring your innovative ideas to fruition. Our technology stack includes a variety of advanced tools and platforms.

About Tide Tide supports small and medium-sized enterprises (SMEs) by simplifying banking and administrative processes. The company offers business accounts, banking services, and integrated solutions such as invoicing and accounting. With a community of more than 1.8 million members across the UK, India, Germany, and France, Tide continues to shape the landscape for small business banking. Its technology-driven approach ensures fast onboarding and low fees, using data insights to help SMEs save time and money. Available to SMEs in the UK, India, Germany, and France Over 1.8 million registered members (800,000 in the UK and 1 million in India) More than $300 million in funding secured Global team of over 2,500 employees Offices in Central London, Sofia, Berlin, Paris, Luxembourg, and tech hubs in Serbia, Romania, Lithuania, Hyderabad, Gurugram, and New Delhi Where You’ll Work Tide is growing its team in several locations: India (Hyderabad, Delhi NCR, Bengaluru) and Europe (London, Serbia, Sofia, Lithuania, Berlin). Role Overview: Staff Software Engineer – Agentic Platform This role joins the AI transformation within financial services. Work with a skilled team to build high-quality, scalable products that drive real change. The position focuses on connecting advanced backend systems with Generative AI, designing frameworks and platforms that enable secure and efficient scaling of AI capabilities across Tide. This work will shape long-term technical strategies. What You’ll Do Build core services for Tide’s agentic platform, including APIs, workflow orchestration, and tool integration Improve delivery by integrating third-party components and developing custom solutions as needed

About UsHelsing is a pioneering AI defense company dedicated to safeguarding our democratic values. Our goal is to achieve technological excellence to ensure that open societies can maintain autonomy over their ethical standards and decision-making processes. We are committed to thoughtful development and responsible deployment of transformative technologies such as AI.Our team is composed of passionate software engineers, AI specialists, and dedicated program managers. We invite mission-driven individuals to join our European teams to tackle some of today's most complex and significant challenges.We foster a culture of openness and transparency, encouraging constructive discussions on the role of technology in defense, its advantages, and its ethical considerations.Job RoleAs an AI Research Engineer specializing in Signal Processing at Helsing, you will be instrumental in creating AI-driven solutions that empower machines to support human decision-making.This position offers a rare chance to influence AI capabilities in a demanding field where advanced generalization must coincide with stringent hardware limitations and resilience against adversarial threats.You will collaborate with a dedicated signal processing team to devise in-house solutions for challenges encountered in various environments, including aerial and underwater.Daily ResponsibilitiesYour responsibilities will include advancing and implementing cutting-edge signal processing techniques in practical scenarios.You will engage in collaborative projects, working alongside professionals from diverse backgrounds and expertise.Who Should ApplyIf you possess a Master’s degree in signal processing, machine learning, robotics, communication engineering, or a related discipline, and have a proven track record of conceptualizing, implementing, and rigorously evaluating advanced systems, we encourage you to apply.

Role Overview airapps is looking for an AI/ML Engineer to help design and build machine learning models. This role works closely with a skilled team focused on using technology to improve processes and outcomes. Location Berlin Metropolitan Area

Mendix builds a low-code application development platform used by organizations worldwide to launch new ideas quickly. Since joining Siemens in 2018, Mendix has blended the scale of a global software company with the flexibility of a fast-growing team. The Solutions Engineer - Core AI position is available in several cities: London, Rotterdam, Amsterdam, Munich, Berlin, Erlangen, Frankfurt, or Stuttgart. This role centers on developing and scaling hybrid agentic workforces by combining low-code tools, AI, data, and system integrations. The goal is to help organizations efficiently create and orchestrate agents and applications. What you will do Design and build customer-facing prototypes and lighthouse projects to test and validate AI-driven integration scenarios. Lead strategic workshops and technical sessions with both customers and internal teams, focusing on agentic AI workflows and advanced integrations. Transform successful customer projects into reusable assets, such as reference architectures, blueprints, accelerators, and scalable patterns. Act as the technical lead for agentic system design, guiding tool selection, orchestration, and multi-agent strategies. Develop and manage complex integration architectures to ensure smooth operation across diverse platforms.

At Machine Learning Reply, we empower organizations to harness advanced AI technologies, transforming them into practical applications and scalable digital products.We are seeking an enthusiastic AI Application Engineer to join our team, focusing on the development of AI-driven solutions and intelligent product enhancements utilizing state-of-the-art machine learning and generative AI technologies.While our GenAI Engineers concentrate on model creation and AI architecture, you will prioritize the development of user-centric AI applications, turning AI functionalities into robust products.In this role, you will operate at the convergence of AI engineering, backend development, product innovation, and cloud deployment, crafting production-ready AI systems that deliver tangible business outcomes.