Harmonic Finance™ | Certified B Corp
Assistant Accountant | High Growth Fintech | London/Hybrid

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Assistant Accountant | High Growth Fintech | London/Hybrid
The Client
Harmonic are excited to be working with a fast-growing, FCA-regulated consumer credit business that has more than doubled its revenue over the past year and expanded its headcount significantly in the same period. It's a great stage to join, with real investment going into building out the finance team. For an ambitious early-career finance professional, this is a chance to build strong accounting fundamentals while learning how reporting, controls, payments, audits, data and regulation come together in a real fintech environment.
The Role
This Assistant Accountant role has been created to support the company's internal accountant as the business continues to grow. You will keep the day-to-day finance operation running smoothly, posting bank transactions, processing supplier invoices and owning regular bank reconciliations, while building genuine hands-on exposure to month-end close: journals, accruals, prepayments and balance sheet schedules. You will support month-end reporting packs, variance analysis, budgets and forecasts, and help keep the team's records audit-ready. You will be joining a small, hands-on finance team where your work will be visible, your ideas will be heard, and you will get exposure to the finance engine behind a rapidly scaling financial services business. There is a genuine path to progress, with a hiring manager who is invested in developing you.
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
Key Responsibilities
- Post daily bank transactions accurately and on time
- Process supplier invoices, receipts and payment records with a strong focus on accuracy and controls
- Support the accounts payable process, including invoice coding, supplier statement checks, queries and payment run preparation
- Own regular bank reconciliations across company accounts and payment platforms, investigating and escalating differences
- Gain hands-on exposure to month-end close, including journals, accruals, prepayments and balance sheet schedules
- Support month-end reporting packs, variance analysis, budgets and forecasts
- Maintain organised finance records and working papers so the team is ready for audit, internal review or regulatory requests
- Support process improvements and finance projects as the business scales


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Essential Experience
- Some experience in an Assistant Accountant, Finance Assistant, or Accounts Assistant role
- Good understanding of double-entry bookkeeping and core accounting principles
- Experience with bank reconciliations, accounts payable, or month-end schedules
- Confident Excel skills, including formulas and reconciliations
- AAT qualified, studying AAT, or working towards ACCA, CIMA or ACA
- Reliable and comfortable handling significant cash volumes with accuracy and integrity
Desirable Experience
- Experience in financial services, lending, fintech, or another regulated business
- Familiarity with Sage 50 or similar accounting software
Package
- Salary: £40,000-£50,000 + Study Support
- Location: Central London (On site 3 days)
- Start Date: ASAP
At Harmonic, we are dedicated to fostering an inclusive and equitable workplace. We actively welcome applications from individuals of all backgrounds and assure you that every candidate will be thoughtfully considered for the roles we represent, without regard to race, religion, gender expression, disability, or sexual orientation.
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