Group Accountant - Proprietary Trading (£65,000-£85,000)

Group Accountant | Proprietary Trading Firm | London

JSS Financial Services has been retained to find a Group Accountant for a market-leading proprietary trading firm. Our client deploys its own capital across discretionary, systematic, and market-making strategies, backed by deep expertise in trading, technology, and research. They are relentlessly focused on improving liquidity across global listed derivatives, using advanced execution and pricing technology to improve how financial markets operate.

We're looking for a Group Accountant to join our client's high-performing, UK-based finance team within a fast-paced trading environment. This is a key control and reporting role with excellent exposure to how the business operates end-to-end. The successful candidate will own balance sheet integrity across a portfolio of group entities, support the close process, and play a central role in delivering statutory reporting (including consolidated accounts), partnering with teams across the firm to strengthen controls, improve processes, and support high-impact finance projects.

What you'll do:

• Lead the close timetable, coordinating dependencies and acting as a key point of contact across Finance and the wider business
• Prepare and review journal entries, accruals, prepayments, intercompany and other complex postings, with a clear audit trail
• Own robust balance sheet reconciliations, ensuring items are identified, supported, and cleared on time
• Support the preparation, review, and audit of statutory financial statements, including consolidated group accounts, acting as a primary point of contact for auditors on your areas
• Maintain and enhance accounting policies and technical documentation for complex or judgemental transactions
• Track IFRS developments and support implementation across the group
• Assist with regulatory returns and stay ahead of the evolving regulatory landscape
• Support tax compliance and reporting with accurate schedules and reconciliations
• Champion automation and AI tools to improve reporting quality, streamline reconciliations, and boost efficiency with appropriate controls maintained throughout
• Strengthen financial controls and drive continuous improvement of key checks
• Review the work of others, providing quality assurance and informal coaching
• Contribute to ad hoc projects and cross-functional initiatives

What we're looking for:

• Proven experience in financial accounting/financial control, balance sheet ownership, reconciliations, journals, statutory reporting support
• Financial services experience (practice or industry) essential
• Exposure to regulatory reporting desirable
• Strong Excel skills, comfortable with large datasets and clear, well-controlled analysis
• A technology-first mindset, proactive about automation, AI tools, and system improvements
• Excellent attention to detail, strong organisation, and a clear sense of ownership
• Solid understanding of IFRS, with the ability to research and apply other frameworks as needed
• Comfortable working to tight deadlines in a high-accountability environment

What's on offer:

• Competitive compensation package (£65,000-£85,000) *this will depend on years of experience*
• Annual discretionary bonus
• Enhanced annual leave after 2+ years' service
• 25 days' annual leave (plus public holidays)
• Fully catered breakfast, lunch, and snacks from an in-house chef
• Private healthcare and life assurance
• On-site private gym with instructor-led classes (boxing, yoga, and more)
• Monthly company events and social activities

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