AI/LLM Engineering Internship at Mercura | Munich

Join Mercura as an AI/LLM Engineering Intern!At Mercura, we are pioneering AI software that serves as the backbone of our economy. Supported by Y Combinator, we have successfully completed a significantly oversubscribed funding round, achieving one of the highest valuations in our cohort. As one of the fastest-growing startups in Europe, we proudly exceeded …

Join the Mercura TeamAt Mercura, we are pioneering AI solutions that serve as the backbone of our economy.Supported by Y Combinator, we have successfully raised a significantly oversubscribed funding round, achieving one of the highest valuations in our cohort. As one of Europe’s rapidly expanding startups, we achieved $2 million in ARR within our inaugural year, and we are now on a mission to reach $10 million ARR by the close of 2026.Our co-founder, Lukas, hails from a family deeply rooted in the construction industry for over 115 years. Having firsthand experience on construction sites, he witnessed the slow and manual quoting processes prevalent in the industry.In a world increasingly driven by AI, we are committed to a personal mission: to integrate AI into the core of our economy, empowering the companies that keep our world functioning. We aim to enhance human expertise and allow individuals to focus on endeavors that only humans can accomplish.Your RoleAs an AI/LLM Engineer, you will be instrumental in developing end-to-end agentic AI systems. This dynamic and hands-on position is ideal for engineers who thrive on autonomy, possess robust technical skills, and embody a founder's mindset. You will be responsible for creating dependable AI systems for production, encompassing retrieval and LLM orchestration, tool-using agents, and product integration.If you are a dedicated innovator who excels at the intersection of LLMs, data systems, AI, data engineering, and full-stack development, this is your chance to influence user interaction with AI in practical workflows.Key ResponsibilitiesAgentic Systems: Design and implement LLM-powered agentic systems from experimentation through to production deployment.Retrieval & Context: Develop retrieval and context pipelines (RAG, hybrid search, structured retrieval) to facilitate reliable reasoning over extensive technical and commercial data.AI Evaluations: Create evaluation and monitoring systems to assess and enhance AI performance in production.Data Pipelines: Construct scalable pipelines to process and organize large amounts of unstructured documents and data.Feedback Mechanisms: Implement automated feedback systems that enable AI to learn from usage data and human insights.AI Infrastructure: Oversee the architecture and reliability of AI infrastructure.

Join Mercura as a Full-Stack Engineering InternAt Mercura, we are revolutionizing the backbone of our economy with cutting-edge AI software. Supported by Y Combinator, we've successfully secured a significant funding round, achieving one of the highest valuations in our cohort. As one of Europe’s swiftly growing startups, we proudly surpassed $2M in ARR in our inaugural year. Our ambitious target is to reach $10M ARR by the end of 2026.Our co-founder, Lukas, hails from a family deeply rooted in the construction industry for over 115 years. Having experienced the challenges of manual quoting firsthand, he is driven to transform this sector through AI.We are on a heartfelt mission to empower essential industries with AI technology, enhancing human expertise and enabling individuals to focus on what they do best.Your RoleAs a Full-Stack Engineering Intern, you will be integral in developing AI systems from the ground up. This role demands a proactive, hands-on approach, ideal for engineers who possess high agency, strong technical expertise, and a founder-like mindset. We seek innovative builders with a robust product orientation who have successfully launched complex web applications.We expect our interns to meet the same standards as our full-time employees: we only hire those we trust to independently manage projects and who we envision as long-term collaborators.If you are a passionate creator who thrives at the intersection of full-stack development and AI, this is your chance to work alongside some of the most talented engineers and influence user interactions with AI technology.Your ResponsibilitiesCore Engineering: Design and build high-performance, reliable systems that drive Mercura’s AI products while ensuring scalability.End-to-End Ownership: Take full responsibility for features from architecture and implementation through to deployment, monitoring, and refinement.Backend & APIs: Create scalable APIs and backend systems that facilitate the evolution of AI capabilities and product expansion.Product Engineering: Collaborate closely with users and the product team to translate real-world workflows into actionable product and engineering strategies.Rapid Iteration: Engage in quick iterations based on user feedback and analytics to enhance product functionality.

Join Mercura as a Founding Staff Engineer and be a pioneer in shaping our innovative tech solutions. This role offers a unique opportunity to work alongside a talented team, contributing to the development of cutting-edge products that redefine industry standards. As a founding member, you will play a crucial role in decision-making processes and project direction, ensuring that our engineering practices meet the highest quality standards.

About MercuraAt Mercura, we are revolutionizing the economic landscape by developing cutting-edge AI software that serves as the backbone of various industries. With the backing of Y Combinator, we successfully completed an oversubscribed funding round, achieving one of the highest valuations in our cohort. As one of Europe’s fastest-growing startups, we proudly surpassed $2M in ARR in our first year. We are now on a mission to reach $10M ARR by the end of 2026.Our co-founder, Lukas, hails from a family with over 115 years of experience in the construction industry. Having firsthand experience on construction sites, he understands the inefficiencies of the quoting process in this sector.In a world increasingly powered by AI, we are committed to our mission: to integrate AI into the very fabric of our economy—enhancing human expertise and allowing individuals to focus on uniquely human tasks.

Join our dynamic team as a Forward Deployed Engineer (FDE) at Mercura in Munich. In this pivotal role, you will engage with our clients directly, ensuring they derive maximum value from our cutting-edge solutions. You will leverage your technical expertise to deploy, configure, and optimize our offerings in diverse environments while collaborating with cross-functional teams to drive successful implementations.

Join Our Team at MercuraAt Mercura, we're revolutionizing the backbone of the economy with innovative AI software solutions.With the backing of Y Combinator, we've successfully completed a highly oversubscribed funding round, achieving one of the highest valuations in our cohort. As one of the fastest-growing startups in Europe, we proudly surpassed $2M in Annual Recurring Revenue (ARR) in our inaugural year. We seek passionate team members eager to help us achieve our ambitious goal of $10M ARR by the end of 2026.Co-founder Lukas, hailing from a family deeply rooted in the construction industry for over 115 years, understands the slow and manual quoting processes firsthand. He is driven by a mission to leverage AI to enhance the efficiency of the firms that keep our world running.Role OverviewAs our inaugural Customer Success Manager, you will oversee the entire customer journey, ensuring that every client extracts maximum value from Mercura's offerings. Your involvement will span the entire lifecycle: from engaging discussions during the sales process to user onboarding, conducting workshops, and nurturing existing relationships.Collaborating closely with our Chief Product Officer, sales, and engineering teams, you will convert customer feedback into actionable insights, help shape the product roadmap, and drive product adoption. Establishing robust, enduring relationships, proactively engaging clients, and crafting customized success strategies will be paramount to ensuring customer satisfaction and measurable outcomes. As a trusted advisor, you will empower clients to meet their objectives while propelling Mercura's growth trajectory.Key ResponsibilitiesCustomer Relationships: Serve as the primary contact and trusted advisor for our clients, fostering satisfaction and long-term partnerships.Lead Onboarding and Implementation: Facilitate the onboarding and implementation processes for customers, ensuring rapid time-to-value and sustained engagement.Develop Product and Customer Expertise: Gain a thorough understanding of our software and client needs, advocating for customer requirements in the product development process.Value Creation: Assist customers in realizing measurable savings and efficiency improvements and support them during critical negotiations.Account Success Ownership: Propel the adoption of Mercura's solutions through tailored strategies and proactive engagement.

Mercura builds AI software aimed at essential sectors of the economy. Headquartered in Munich and backed by Y Combinator, Mercura quickly reached over $2M in ARR within its first year and is targeting $10M ARR by the end of 2026. The company’s roots trace back to co-founder Lukas’s family experience in the construction industry, where he saw the need to modernize slow, manual quoting processes using AI. Mercura’s mission centers on helping businesses automate routine work so people can focus on tasks that need human expertise. Role overview This is the first product management hire at Mercura. The Founding Product Manager will shape product direction and priorities, working closely with the Chief Product Officer and the engineering team. The goal: transform real customer challenges into practical, intuitive solutions for non-technical users, and streamline complex B2B workflows with an AI-first approach. The role covers the entire product lifecycle, from engaging directly with customers and prototyping concepts to making key product decisions and launching features. What you will do Lead the product development cycle from concept to launch, focusing on customer adoption and efficiency. Engage directly with customers to understand their needs and gather feedback for product strategy. Develop and test product hypotheses with customers, creating quick prototypes for validation. Translate customer insights into clear product requirements and user-friendly, AI-powered experiences. Work with engineering and design to prioritize, define, and deliver new features. Maintain product documentation, release notes, and training materials to help customers use Mercura’s products effectively. Requirements 2-5 years of experience in product management or product design, with a background in AI and complex B2B SaaS products. Strong analytical and problem-solving skills, with the ability to turn customer needs into actionable product features. Clear communication and a collaborative approach to teamwork. Hands-on experience with prototyping and user testing methods. Location: Munich

Join Mercura as a Full-Stack EngineerAt Mercura, we are at the forefront of integrating AI into the core of our economy. With strong backing from Y Combinator, we have successfully raised significant funding, achieving one of the highest valuations in our cohort. As a rapidly growing startup, we reached an impressive $2M in ARR in our first year and are on a mission to hit $10M ARR by the end of 2026.Our co-founder, Lukas, comes from a family with over 115 years in the construction industry, providing him firsthand insight into the challenges of slow and manual quoting processes.In this age of AI, we embark on a mission to enhance human expertise and empower workers in vital industries. Our vision is to revolutionize how businesses operate, making them more efficient and effective.Your RoleAs a Full-Stack Engineer, you will be instrumental in developing robust AI systems. This role demands a proactive engineer with a strong technical foundation and a founder's mindset. We're looking for experienced professionals who excel in delivering innovative web applications.If you’re a passionate innovator who thrives at the intersection of full-stack development and AI, this is your chance to collaborate with a team of exceptional engineers and redefine user interaction with AI.Key ResponsibilitiesCore Engineering: Design and create high-performance systems that support Mercura’s AI products, ensuring their reliability and scalability.End-to-End Ownership: Manage features from architecture through implementation to deployment, monitoring, and continuous improvement.Backend & APIs: Build scalable APIs and backend systems that enhance our AI capabilities and facilitate product growth.Product Engineering: Collaborate with users and the product team to transform real-world workflows into actionable product and engineering strategies.Rapid Iteration: Implement enhancements swiftly through agile iteration and practical engineering solutions.AI Integration: Work on LLM engineering and AI system integrations to enrich our product offerings.

Join Mercura as a Founder's Associate (Growth)At Mercura, we are revolutionizing the backbone of our economy with cutting-edge AI software. Supported by Y Combinator, we have successfully completed an oversubscribed funding round, achieving one of the highest valuations in our cohort. As one of Europe's fastest-growing startups, we proudly surpassed $2M in ARR in our inaugural year and are now on a mission to reach $10M ARR by the end of 2026.Lukas, one of our co-founders, hails from a family that has been integral to the construction industry for over 115 years. His hands-on experience on construction sites has provided him with invaluable insights into the slow and manual quoting processes still prevalent in the industry.In a world increasingly driven by AI, we are committed to a personal mission: to empower the companies that keep our world moving by enhancing human expertise through technology.Your RoleWe are seeking our inaugural Founder's Associate (Growth) to spearhead our company’s growth and market expansion efforts.This dynamic, hands-on role requires candidates with a high level of initiative. As the CEO’s right hand, you will collaborate closely with us and engage with customers throughout the entire sales cycle—from outreach and lead generation to closing deals.If you are passionate about growth and eager to take on real ownership in the early stages of a venture, this is your chance to lead, learn, and make significant contributions.Your ResponsibilitiesStrategic Growth: Partner with the CEO on critical initiatives aimed at driving company growth and expanding our market reach.Full Sales Cycle: Support and enhance the entire sales process—from lead generation to negotiation and closing deals.Sales Enablement: Plan and execute comprehensive events, pitch decks, negotiations, workshops, and webinars.GTM Engineering: Own and scale Mercura’s go-to-market engine to identify and target key accounts.Process Optimization: Streamline internal sales processes to improve speed and scalability.Market Expansion: Investigate and validate new markets while pinpointing strategic growth opportunities.Customer & Partner Success: Build, manage, and successfully close partnerships that align with our growth objectives.

About MercuraAt Mercura, we are innovating the future of business through cutting-edge AI software that serves as the backbone of our economy.Supported by Y Combinator, we've successfully raised a significantly oversubscribed funding round, achieving one of the highest valuations within our cohort. As one of the fastest-growing startups in Europe, we've surpassed $2M in Annual Recurring Revenue (ARR) in our inaugural year. We are now on the lookout for dedicated team members who are eager to fully commit to helping us achieve our ambitious goal: $10M ARR by the end of 2026.Our co-founder, Lukas, comes from a family deeply rooted in the construction sector for over 115 years. Having firsthand experience working on construction sites, he understands the challenges posed by outdated and manual quoting processes in the industry.In a world where AI is becoming integral to business operations, we are on a profound mission: to introduce AI to the foundational sectors of our economy—those that sustain our daily lives. Our goal is to enhance human expertise and enable individuals to focus on what only humans can accomplish.About the RoleAs our Founding Account Executive, you will be pivotal in driving our growth by fostering trusted relationships with customers.This role will encompass the entire sales cycle—from initiating cold calls to successfully closing deals—while empowering businesses to elevate their productivity through AI solutions. You will focus on showcasing our product's value and guiding potential customers through their decision-making journey.Your ResponsibilitiesNew Business Development: Take ownership of your sales quota by qualifying and securing new customers.Lead Generation: Collaborate closely with our Business Development Representative (BDR) team to ensure an excellent customer experience and actively build your own sales pipeline.Customer Engagement: Assist prospects through their evaluation process, foster robust customer relationships, and craft business cases that effectively highlight our product’s benefits.Sales Process Management: Conduct product demonstrations, manage negotiations, and finalize deals while continuously refining our sales methodology.Sales Strategy Development: Create and execute innovative strategies to win key accounts and penetrate new markets.Team Building: Develop and mentor a high-performing sales team and establish scalable sales processes.What We OfferCompetitive Salary: €60k-€80k base salary, with an OTE of €100k-€200k and uncapped bonus potential.

About MercuraAt Mercura, we are pioneering AI-driven software designed to enhance the fundamental operations of our economy. As a company endorsed by Y Combinator, we successfully completed a significantly oversubscribed funding round, achieving one of the highest valuations within our cohort. In our inaugural year, we surpassed $2M in ARR, positioning us as one of Europe's fastest-growing startups. Our ambitious goal is to reach $10M ARR by the end of 2026.Our co-founder, Lukas, hails from a family deeply rooted in the construction industry for over 115 years. Having firsthand experience on the construction site, he understands the challenges posed by slow and manual quoting processes within the sector.In a world where AI is becoming increasingly prevalent, we are committed to our mission: to integrate AI into the core of our economy—supporting the companies that keep our world operational and empowering human expertise to focus on what only people can accomplish.About the RoleAs a Senior Business Development Representative (BDR), you will play a pivotal role in propelling our growth by developing our outbound sales engine and creating new customer opportunities. You will be the initial point of contact for prospective clients, identifying their challenges, generating leads, and transforming interest into viable opportunities. Collaborating closely with the founders, you will take charge of outreach, discovery, and relationship-building during the critical early stages of our sales process.This position offers a unique opportunity for accelerated career development, with the potential to progress from BDR to Account Executive (AE) within just one year.Your ResponsibilitiesProspecting: Manage the entire prospecting cycle—from recognizing potential leads to engaging and converting them through phone calls, emails, and social media.Lead Generation: Innovate and apply new inbound and outbound lead generation strategies.Messaging: Acquire a profound understanding of our products, market, and customers to tailor persuasive pitches and successfully close deals.Market Intelligence: Collaborate with the GTM Engineering team to perform detailed market research and identify target accounts.Sales Enablement: Develop and enhance sales materials, scripts, and templates; lead internal knowledge sharing initiatives.Customer Relationships: Daily engagement with prospects to nurture relationships and drive sales.

Mercura is building AI software to modernize essential industries. Backed by Y Combinator, the company quickly reached $2M in annual recurring revenue in its first year and is targeting $10M ARR by the end of 2026. The team’s mission is to embed AI into core economic sectors, making work more efficient and freeing people to focus on higher-value tasks. Co-founder Lukas brings deep roots in construction, shaping Mercura’s approach to solving slow, manual workflows with technology. Role overview Mercura is looking for a Founding Design Engineer in Munich to define and deliver both the visual and functional aspects of its product. This position partners closely with the Chief Product Officer and engineering team. The focus: create clean, intuitive interfaces for non-technical users and bring those designs to life in production. The work spans customer research, interface design, and hands-on coding. What you will do Meet with customers to understand their needs, then turn those insights into product specifications and interface designs. Prototype quickly using AI tools and code, testing ideas with real users. Design and build user-friendly, AI-powered interfaces that streamline complex B2B workflows. Take ownership of the process from design through production, collaborating with engineers to deliver new features. Requirements 2-5 years of experience as a design engineer, product designer, or frontend engineer, with a portfolio featuring AI and complex B2B SaaS products. Interest in working directly with customers to identify problems and shape solutions. Proficiency with AI tools (such as Lovable, Cursor, Claude) and Figma for rapid design and prototyping. Experience shipping code to production using React, Typescript, and Python. This role combines both design and engineering work.

Join us at mercura as we revolutionize the market with our innovative solutions! We are seeking a passionate and skilled Founding Go-to-Market Engineer to be part of our pioneering team in Munich. In this unique role, you will collaborate closely with our founders to architect and execute our go-to-market strategies, ensuring the successful launch and adoption of our products.Your responsibilities will include developing technical strategies, analyzing market trends, and driving product development to meet customer needs. This is an exceptional opportunity to shape the future of our company from the ground up.

As a pivotal member of our team, you will play an essential role in shaping our product by designing, developing, and maintaining the autonomous agents that drive Causa Prima forward. Your work will encompass a variety of tasks, from validating invoices and resolving disputes to negotiating across companies and optimizing cash flow.Key Responsibilities:Agent Architecture: Craft the multi-agent system, defining agent boundaries, event contracts, orchestration patterns, and delineating between LLM reasoning and deterministic enforcement. LLMs will inform while rules will enforce.Document Processing Pipeline: Manage the ingestion, classification, and structured extraction of financial documents (such as invoices, contracts, purchase orders) utilizing LLM-based parsing and vision models, with a focus on sandboxed processing for untrusted documents.Validation & Anomaly Detection: Implement business rule checks, perform three-way matching, detect pricing discrepancies, and identify anomalies over time.Integration Framework: Integrate with platforms such as Gmail, Google Drive, Slack, banking APIs, crypto wallets, and accounting systems, focusing on authentication models, credential lifecycle, and data normalization.Knowledge Graph: Develop a Neo4j context graph that encapsulates implicit business knowledge, providing insights into the reasoning behind decisions, including entity extraction, GraphRAG patterns, and provenance tracking.Multi-LLM Strategy: Establish per-agent model selection, create structured output contracts using Pydantic schemas, and implement an evaluation framework along with a fallback strategy.Compliance & Security: Design agents to operate within a zero-trust model, ensuring independent verification against source data, outbound content review, and prevention of cascading failures from prompt injections.

Join Mercura as a Founding Talent RecruiterAt Mercura, we are revolutionizing the backbone of the economy with cutting-edge AI software. Funded by Y Combinator, we achieved remarkable success, exceeding $2 million in Annual Recurring Revenue (ARR) in our first year. As one of the fastest-growing startups in Europe, we are on a mission to reach $10 million ARR by the end of 2026.Our co-founder, Lukas, comes from a family with a rich history in the construction industry. His hands-on experience on-site revealed the inefficiencies in traditional quoting processes, motivating us to harness AI to streamline these operations and enhance human capabilities.We invite you to be part of this exciting journey as we strive to empower the companies that keep our world moving.Your RoleWe are seeking our inaugural Talent Recruiter to establish our hiring framework. As an early team member, you will collaborate closely with our founders to manage full-cycle recruiting across engineering and go-to-market teams. Your role will include crafting an exceptional candidate experience, developing scalable hiring processes, and attracting top talent to join Mercura.This is a dynamic, hands-on position suited for a proactive individual who enjoys sourcing, closing, and setting high standards for talent acquisition in a startup environment.Key ResponsibilitiesOversee the entire recruitment life cycle, from sourcing candidates to offer acceptance.Develop and implement proactive sourcing strategies to identify and nurture exceptional talent.Assess candidates for both skill and cultural fit while managing communications throughout the hiring process.Organize and execute recruiting events and initiatives to position Mercura as a premier workplace.Your ProfileMinimum of 2 years of full-cycle recruiting experience in high-growth settings (e.g., VC, startups, technology), with technical recruiting experience being a valuable asset.Proven ability to source hard-to-find candidates and manage structured candidate pipelines effectively.Resourceful, energetic, and passionate about building relationships with top talent.

Join Our Team as a Product Engineer InternAt virtuhire, we are on the lookout for a passionate Product Engineer Intern to become a key member of our team focused on developing and enhancing the next generation of AI-driven enterprise finance solutions. In this role within our engineering team, you will significantly influence the creation of specialized features and aid some of the world's leading companies in automating their manual accounting processes.Collaborating closely with our founders and engineering team, you will transform innovative ideas into high-performing, user-friendly features that integrate seamlessly into our clients’ workflows. Your contributions will directly shape how finance teams leverage AI automation on a large scale.Our headquarters are in Munich, with strong connections to San Francisco through Y Combinator.

Role overview Munich Electrification is hiring a Digital Transformation Engineer based in Munich. This position focuses on driving digital innovation to improve operational efficiency and enhance service quality through technology. Key responsibilities Partner with teams across the company to identify opportunities for digital transformation. Design solutions that align with business goals and simplify existing processes. Apply recognized industry standards and established methods to ensure effective implementation. Support colleagues as they adopt new digital tools and workflows. Collaboration and impact This role requires working closely with colleagues from various departments. The Digital Transformation Engineer plays a key part in guiding the organization through digital change, making sure new solutions are practical and meet business needs.

Join the Revolution in MobilityAt Munich Electrification, we are at the forefront of transforming electric and connected mobility. Our team develops cutting-edge electronic control units tailored for electric vehicles and stationary energy storage systems serving clients worldwide. Our spirited international team comprises dedicated and talented engineers who thrive in a collaborative environment. Located in the vibrant heart of Munich at Heimeranplatz, our office is equipped with an adjacent prototype and testing lab, fostering innovation and creativity.We are driven by the following principles:Technological Leadership: We push boundaries, innovate rapidly, and foresee future demands. We take calculated risks and learn from our experiences to remain industry leaders.Sustainability: Committed to a sustainable future, we recognize our impact and inspire others in the quest for a better world.Team Culture: We believe work should be fulfilling, promoting a culture of inspiration, celebration, and teamwork worldwide.Entrepreneurial Spirit: We embrace adaptability, think ambitiously, and challenge the status quo with enthusiasm.

Munich Electrification seeks an IT Applications & Cloud Engineer (f/m/d) to support and develop the company’s IT infrastructure and cloud services. This full-time role is based in Munich. Role overview This position focuses on designing, implementing, and maintaining business applications within cloud environments. The engineer will play a key part in ensuring that IT solutions remain reliable and deliver strong performance across the organization. What you will do Design, implement, and maintain business applications in cloud settings Collaborate with teams throughout the company to deliver effective IT solutions Support projects aimed at strengthening and advancing the IT landscape Location This position is based in Munich.