--- title: 'AI Applied Scientist Intern at QuantCo' canonical: 'https://feeny.ai/job/ai-applied-scientist-intern-quantco-europe-ttn4ndrwajn4' type: 'job' last_seen: '2026-09-12' --- # AI Applied Scientist Intern at QuantCo - **Company:** QuantCo - **Location:** Europe - **Employment:** full-time - **Work type:** onsite - **Posted:** 2025-09-25 - **Last confirmed live:** 2026-09-12 - **Apply:** https://jobs.lever.co/quantco-/6ba386eb-ac9b-451c-877d-b4d3ed493a9c ## Job description Our AI team operates at the intersection of quantitative decision-making and frontier model technology to create real-world impact in the world's foremost companies. They design, build, and implement applied AI systems that improve the quality of human decisions and unlock major efficiencies. The team collaborates with software engineers and data scientists to solve complex problems in inference optimization, scalable systems design, and human-computer interaction. They combine technical deep learning, business acumen, and engineering expertise with an entrepreneurial mindset driven by rapid experimentation, first-principles thinking, and a passion for tackling complex real-world problems to deliver lasting impact. As an applied scientist intern, you will identify the most impactful problems to solve, translating commercial objectives into technical solutions. You will combine and transform large multimodal datasets to run in-depth statistical analysis, and apply deep learning models to automate large-scale decisions, integrated into live business processes, designed to generate tangible economic impact. We are looking for team players who have excellent quantitative abilities and: - A degree in computer science, mathematics, statistics, physics, economics, or similar fields from a leading university - In-depth understanding of mathematical and statistical concepts behind the most common machine learning techniques - Familiarity with frontier lab APIs (Gemini, OpenAI, Anthropic), and their advanced features like structured outputs and tool calling - Understanding of LLM inference considerations e.g. input vs. output tokens, prompt caching - Experience working with deep learning models within natural language processing or computer vision (e.g. HuggingFace model import/fine-tuning /inference) - Experience writing code in Python - Experience and willingness to work through the challenges associated with large, unstructured, real-world data sets in a client-facing setting - Ability to see solutions and opportunities that others do not see - High level of commitment and reliability, good balance of pragmatism and perfectionism Bonus if skilled in any of the following tools and/or languages: - Cloud Infrastructure - Git You will be part of a smart, motivated, and driven team that revels in working on challenging problems and finding novel solutions; values our customers and users; and strives to deliver thoughtful and impactful products. You will be surrounded by people who respect each other and the contributions each of us brings. We offer a generous compensation package that includes a base salary, bonus, stock options, and relocation support, along with additional location-based benefits. ## About QuantCo At QuantCo, we leverage expertise in data science, engineering, and economics to help organizations turn data into decisions. Started by 4 PhDs from Harvard and Stanford, we are now more than 180 professionals with extensive quantitative, engineering, and business experience. We are globally distributed with offices in Berlin, Boston, Cologne, Karlsruhe, London, Munich, San Francisco, and Zurich. Our solutions include algorithmic pricing, data-driven claims management, and high-dimensional forecasting systems. Our customers include some of the largest financial, retail, and healthcare organizations in the US and Europe. We impact core business processes and decisions by combining advanced data-driven insights with scalable engineering solutions. We are excited about writing mission-critical code that affects millions of people and impacts billions of dollars. If you feel the same way, we look forward to hearing from you. ## About QuantCo ## Company Overview - **One-liner**: QuantCo leverages expertise in data science, engineering, and economics to help organizations turn data into decisions, building scalable AI systems for pricing, claims management, and forecasting. - **Entity Type**: Private (Privately Held) - **Headquarters**: Boston, Massachusetts, United States - **Founded**: Not publicly available - **Founders**: Four Harvard and Stanford PhDs (names not publicly listed) ## Core Business - **Primary industries**: Data science, artificial intelligence, machine learning, quantitative modelling, healthcare, insurance, financial services, retail - **Target customers**: Large financial, retail, industrial, and healthcare organizations (B2B, Enterprise) - **Mission/purpose**: Turn advances in AI and statistical learning into real-world impact in leading enterprises and public sector organizations, improving decisions that matter. ## Products & Services - **Algorithmic Pricing**: SaaS/data-driven solution that optimizes pricing strategies using machine learning and economic models. - **Data-Driven Claims Management**: AI-powered platform for fraud detection, claims processing, and risk assessment in insurance and healthcare. - **High-Dimensional Forecasting**: Scalable forecasting solutions for complex, high-dimensional business data. ## Market Standing - **Valuation**: Not disclosed - **Key Metric**: 220 employees (as of mid-2026); yearly headcount growth of +14.7% [linkedin.com](https://linkedin.com/company/quantco) - **Notable Investors/Partners**: Not publicly listed; customers include some of the largest financial, retail, and healthcare organizations in the US and Europe [quantco.com](https://www.quantco.com/) - **Growth Signals**: 30 new hires in May 2026 bootcamp in Berlin, 28 new hires in July 2026 bootcamp in Munich; strong talent pipeline from top universities (Harvard, Stanford, ETH Zurich, KIT, etc.) [linkedin.com](https://linkedin.com/company/quantco) ## Competitive Advantages - **Unique blend of expertise**: Combines data science, engineering, and economics – founded by four PhDs from Harvard and Stanford. - **Privileged data access and world-class AI** applied to real-world, high-stakes decisions (pricing, claims, forecasting) that impact millions of people and billions of dollars. - **Cutting-edge open source infrastructure**: Actively contributes to the open source ecosystem and builds core infrastructure on modern open source tooling [tech.quantco.com](https://tech.quantco.com/about/). - **Strong academic ties**: Many team members have backgrounds in computer science, mathematics, economics, statistics, and physics; multiple Olympiad medalists. ## Strategic Focus - **Current priorities**: Expanding AI products for healthcare and insurance sectors, deepening impact in Europe and the US, and scaling the team with top quantitative and engineering talent. - **Direction for growth**: Turning advances in AI and statistical learning into real-world impact in leading enterprises and public sector organizations [linkedin.com](https://linkedin.com/company/quantco). ## Why Work Here - **Culture**: Fast-paced, entrepreneurial environment that values ownership, intellectual rigor, and personal growth. Emphasis on first-principles problem solving. - **Work model**: Hybrid and remote options available; offices in Boston, San Francisco, Berlin, Cologne, Karlsruhe, Munich, London, and Zurich [builtin.com](https://builtin.com/company/quantco) [quantco.com](https://www.quantco.com/). - **Notable perks**: Intensive onboarding bootcamps for new joiners; opportunities to work on high-impact AI systems affecting millions; strong community with team sports, social events, and a diverse international team. - **Engineering culture**: Build services and products around ML models and data pipelines; core infrastructure built on cutting-edge open source; contribute to open source projects [tech.quantco.com](https://tech.quantco.com/about/). ## Sources 1. [quantco.com](https://www.quantco.com/) 2. [tech.quantco.com](https://tech.quantco.com/about/) 3. [linkedin.com](https://linkedin.com/company/quantco) 4. [builtin.com](https://builtin.com/company/quantco) 5. [jobs.lever.co](https://jobs.lever.co/quantco-) ## Other roles at QuantCo - [Applied Scientist, AI/ML](https://feeny.ai/job/applied-scientist-ai-ml-quantco-united-states-q38gc65gxw4w) — United States - [QuantCo AI Builder Grant](https://feeny.ai/job/quantco-ai-builder-grant-quantco-germany-ekppt7vnatf8) — Germany - [Cloud Engineer](https://feeny.ai/job/cloud-engineer-quantco-europe-acp12t2hxmzs) — Europe - [AI Engineering Intern](https://feeny.ai/job/ai-engineering-intern-quantco-europe-r4jwfbb66b9h) — Europe - [AI Engineer](https://feeny.ai/job/ai-engineer-quantco-europe-r54m6bv0g4r9) — Europe - [AI Applied Scientist](https://feeny.ai/job/ai-applied-scientist-quantco-europe-3rjwy4p5vxps) — Europe - [Data Scientist](https://feeny.ai/job/data-scientist-quantco-europe-e099v1t11qcp) — Europe - [Data Science Intern](https://feeny.ai/job/data-science-intern-quantco-united-states-sm6q5qtmwmbz) — United States - [Quantitative Researcher](https://feeny.ai/job/quantitative-researcher-quantco-united-states-enph4g9nk8w7) — United States - [Quantitative Researcher](https://feeny.ai/job/quantitative-researcher-quantco-europe-2qbm5sqtex6a) — Europe