Accounting Engineer - Pre-Sales & Post Sales

This role is based out of our London office 🇬🇧 or Amsterdam office 🇳🇱 We are an office-first company & believe great products are made when we are together. About Stacks Stacks is building an AI-native platform that reinvents how modern finance teams run the monthly close. The opportunity is massive: every growing company depends on accurate, timely financial data, yet most are still operating with tools and workflows built for a different era. In just two years, we’ve grown from a team of 2 to 30+ and are on a rapid trajectory. We’ve raised a $23m Series A led by Lightspeed Venture Partners https://stacks.ai/resources/stacks-raises-23-million-to-reinvent-finance-operations-with-agentic-ai, and we were recently recognised as one of Harmonic’s Hottest Startups of 2026 https://harmonic.ai/hot-25-companies/q2-2026. We’re already trusted by leading European scale-ups including Pleo, Freetrade, and Motorway. Our team is a blend of finance, product, and technical experts from top-tier companies like Uber, Plaid, Miro, Mollie, and Bunq, united by the drive to create a game-changing solution. We’re a team that is deeply customer-obsessed, plays to win, and isn’t afraid to take big, bold bets. We move fast, hold a high bar, and are committed to growing together as we scale. ABOUT THE ROLE Stacks is looking for a fiercely ambitious, entrepreneurial, and commercially driven Accounting Engineer to join our GTM team! In this high-impact role, you’ll contribute to create and execute our GTM strategy at Stacks. If you’re excited by the idea of limitless growth and fast-paced challenges, this is a unique opportunity to accelerate your career as you help shape the future of Stacks. 🧱 WHAT YOU'LL DO - Solutions Consulting: Own the functional, technical and consultative engagement with prospects and customers, helping them achieve their business objectives through the Stacks platform. You’ll constantly interact with Controllers, VPs of Finance, and CFOs. - Customer Focus: Leverage your deep accounting knowledge to advise prospective and existing customers on best practices & help them translate complex accounting workflows into solutions using Stacks. - Go-to-Market Excellence: Partner with Sales, Customer Success & Engineering to lead accounting and process discovery, problem solve on how Stacks can help, and drive successful PoCs that win deals. - Seamless Implementation: Support the accounting part implementation for new customers, ensuring they are fully onboarded and confident in using the product to transform their monthly close process. - Cross-functional Collaboration: Work directly with product and engineering to translate real-world accounting needs into product features and enhancements - Strategic Growth: As an early team member, you’ll help define Accounting Engineering at Stacks, building playbooks, processes, and eventually future teammates. 🧩 WHAT YOU NEED - 3–7 years in accounting or accounting transformation leadership roles: You've led accounting teams and/ or accounting transformation in a fast-paced environment, and bring hands-on experience with system implementation. - Accounting Domain Knowledge: You’ve worked in or closely with accounting teams, ideally as a Controller, ACA/ACCA, or someone deeply familiar with the month-end close process, reconciliations, and reporting. - Customer-Facing Confidence: Comfortable engaging with senior finance leaders and technical stakeholders alike. You know how to listen, challenge assumptions, and earn trust. - Product Mastery: Quick to understand and explain complex systems. You’re able to turn accounting pain points into clear product solutions. 🚀 WHAT’S IN IT FOR YOU - Foundational role: Help shape a category-defining company from an early stage, working directly with founders and a small, high-agency team. - Meaningful ownership: Competitive equity in a company scaling rapidly towards $10m ARR, where your impact will directly shape the outcome. - Cutting-edge product and tec...