About Aptura Aptura is building reinforcement learning infrastructure that powers training for frontier models built by Anthropic, Open AI, Google Deepmind etc. We're building a high-performance, people-first culture. We move quickly, think ambitiously, and set a high bar for ourselves, all while staying open, collaborative, and genuinely enjoyable to work with. At Aptura, the best ideas win regardless of who they come from, teams sit close to leadership, and every voice has a say in what comes next. The Opportunity In this 3-month Internship, you will contribute your previous deal experience which will be used to help improve AI reasoning across investment banking workflows. The work involves generating, refining, and evaluating content that reflects how IB professionals think through transactions from origination and pitching through execution and close. In this role you will - Draft realistic IB scenarios, prompts, and worked examples (pitch decks, comps, LBO models, CIMs, deal memos) that reflect real transaction workflows - Evaluate AI-generated outputs against how a skilled analyst or associate would actually reason, flagging gaps in logic, technical rigour, or judgment - Refine and rewrite model responses to improve their financial reasoning and structuring - Partner closely with experts to translate domain expertise into training signal, giving feedback on what "good" looks like at each stage of a deal - Identify edge cases and failure modes specific to IB workflows (e.g., sector-specific modelling conventions, regulatory nuance, negotiation dynamics) - Help document and systematise IB best practices into reusable frameworks model can learn from This role will be a great fit if you - Are a current student or recent graduate with a minimum of one IB internship or full-time role at a bulge bracket or elite boutique (e.g., Goldman Sachs, Morgan Stanley, J.P. Morgan, Bank of America, Citi, Barclays, UBS, Deutsche Bank, Wells Fargo, Evercore, Moelis, Centerview, Lazard, Jefferies) - Have a solid grounding in financial modelling, valuation methodologies (DCF, comps, precedent transactions), and deal mechanics - Bring high attention to detail and intellectual honesty to say "this output is wrong" even when it looks polished - Communicate sharply, can explain why a piece of reasoning is right or wrong - Are comfortable with ambiguity and fast iteration - Have genuine curiosity about AI, even without a technical background How we support you - Competitive salaries with an opportunity to join us full-time - Modern, centrally located London office built for collaboration and focus - Access to a range of AI tools to boost productivity and maximise results - MacBook, screens, and any equipment you need to perform at a high level Logistics - Location: In-person (remote options available) - Start date: Immediate - Referral bonus: For any successful referral hired into this role