PhysicsX - Senior Financial Accountant
Responsibilities
• Revenue recognition • Revenue recognition • Leading global revenue recognition in line with FRS 102, ensuring accuracy and consistency with Group accounting policies across all entities. • Tax compliance and advisory • Supporting group tax compliance across the UK, US, and Singapore — acting as the main point of contact between the business and our external tax advisers, and helping to ensure corporation tax returns and year-end filings, including federal, state, and local obligations, are completed accurately and on time. • Managing VAT and GST compliance obligations across jurisdictions. • Supporting R&D tax credit claims in collaboration with specialist advisers. • Accounts receivable • Accounts receivable • Owning the AR function end-to-end — including customer invoicing, cash allocation, and credit control — ensuring timely and accurate processing. • Technical Accounting & Standards • Maintaining compliance with complex accounting standards across the group, including lease accounting (IFRS 16) and share-based payments (IFRS 2). • Assessing and implementing new or amended standards as they come into effect, ensuring Group accounting policies remain current and consistent. • Acting as the internal point of reference for technical accounting queries across the business. • Statutory and regulatory reporting • Leading timely and accurate statutory and regulatory reporting across the group, ensuring compliance with IFRS, UK GAAP, and relevant local standards. • Providing audit support. • Controls and process improvement • Building and evolving a robust but agile financial controls framework — strong enough for scale and audit-readiness, without slowing the business down. • Partnering with the wider organisation to embed smarter financial processes, helping teams understand and adopt improved ways of working. • Identifying and implementing process improvements to strengthen controls, efficiency, and reporting quality. • What Makes a Great Candidate • A qualified accountant (ACA or ACCA) with at least four to five years of relevant post-qualification experience. • Strong technical accounting knowledge — you're confident with IFRS, UK GAAP, and comfortable navigating multi-jurisdiction regulatory requirements. • Demonstrable experience across tax compliance, revenue recognition, and statutory reporting — you'll be expected to bring technical confidence to these areas from day one. • Experience in a technology, engineering, SaaS or high-growth start-up environment. • Accurate and detail-oriented — you take pride in getting things right and spot inconsistencies others might miss. • Able to own and execute workstreams independently, while working collaboratively as part of a team. • Excellent organisational and time management skills — you prioritise effectively, manage competing demands, and consistently deliver to deadline. • A proactive communicator — with both internal stakeholders and external advisers — who flags issues early and knows when to escalate. • Comfortable in a fast-moving, high-growth environment where the landscape is constantly evolving. • Role Details • Contract: Permanent, full-time • Location: London - hybrid, with 3 days per week in the office • Reports to: Finance Manager
Benefits
• Build what actually matters • Help shape an AI-native engineering company at a formative stage, tackling problems that genuinely matter for industry and society. This is work with real-world impact - and something you can be proud to stand behind. • Learn alongside exceptional people • Work with a high-caliber, collaborative team of engineers, scientists, and operators who care deeply about doing great work, and about helping each other get better. We come from diverse backgrounds, but we share a commitment to operating at the highest level and addressing some of the most complex challenges out there. If you’re ambitious, thoughtful, and driven by impact, you’ll feel at home. • Influence over hierarchy • We operate with a flat structure: good ideas win - wherever they come from. Questioning assumptions and challenging the status quo isn’t just welcomed, it’s expected. • Sustainable pace, long-term ambition • Building meaningful technology is a marathon, not a sprint. We believe in balancing focused, ambitious work with a life beyond it. Our hybrid model blends time together in our Shoreditch office with work-from-home days, giving you the flexibility to work sustainably while staying connected in person. • And it doesn’t stop there … • 🚀 Equity options - share meaningfully in the company you’re helping to build. • Equity options • 🏦 10% employer pension contribution - because investing in future matters. • 10% employer pension contribution • 🍽️ Free office lunches - to keep you energised and focused. • Free office lunches • 👶 Enhanced parental leave - 3 months full pay paternity and 6 months full pay maternity leave, to provide extra flexibility during the moments that matter most. • Enhanced parental leave • 🍼 YellowNest nursery scheme - to help working parents manage childcare costs. • YellowNest nursery scheme • ☀️ 25 days of Annual Leave (+ Public Holidays) - because taking time to rest matters. • ☀️ 25 days of Annual Leave (+ Public Holidays) • 🏥 Private medical insurance - 100% employee cover, giving you complete peace of mind. • Private medical insurance • 💪 Wellhub Subscription - gain access to thousands of gyms, classes and wellness apps, supporting both physical and mental wellbeing. • Wellhub Subscription • 👀 Eye tests - because good work depends on good health. • Eye tests • 📈 Personal development - dedicated support for learning, development, and leveling up over time. • Personal development • 💛 Employee Assistance Programme (EAP) - confidential wellbeing support, available whenever you need it. • Employee Assistance Programme (EAP) • 🚲 Bike2Work scheme and 🚆 Season ticket loan - to make getting to work easier and greener. • Bike2Work scheme and • Season ticket loan • 🚗 Octopus EV salary sacrifice - for a simpler, more sustainable way to drive electric. • 🔎 Watch this space, we’re continuing to build this as we grow… • We value diversity and are committed to equal employment opportunity regardless of sex, race, religion, ethnicity, nationality, disability, age, sexual orientation or gender identity. We strongly encourage individuals from groups traditionally underrepresented in tech to apply. To help make a change, we sponsor bright women from disadvantaged backgrounds through their university degrees in science and mathematics. • We collect diversity and inclusion data solely for the purpose of monitoring the effectiveness of our equal opportunities policies and ensuring compliance with UK employment and equality legislation. This information is confidential, used only in aggregate form, and will not influence the outcome of your application.
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