Junior Finance Assistant

Massive Rocket is a rapidly scaling Braze and Snowflake agency on a mission to transform how digital marketing, product, and engineering teams connect. In just five years, we’ve grown at speed - and now we’re gearing up for our next major milestone: $100M in revenue.

We build human experiences at scale, powered by cutting‑edge web, mobile, cloud, data, and AI technologies. If innovation excites you, if solving complex challenges energises you, and if shaping the future of digital experiences sounds like your kind of journey, you’ll feel right at home here.

Every role at Massive Rocket is entrepreneurial. The people who thrive with us look beyond their own remit — they understand the goals of the teams around them and actively contribute to the success of colleagues, customers, and partners. We’re building a culture of ownership, collaboration, and growth, and we’re looking for people who want to make a real impact.

As a Junior Finance Assistant, you’ll play a key role in keeping our financial operations running smoothly. You’ll support the Finance team with day‑to‑day accounting tasks, ensuring accuracy, organisation, and consistently high standards across everything you touch.

This is an ideal opportunity for someone at the start of their finance career - a chance to gain hands‑on experience, develop real‑world skills, and grow within a dynamic, international organisation that values initiative and continuous improvement.

Create, process, and track invoices to ensure timely payments and accurate financial records

Support the management of employee expenses and reimbursement processes

Assist in preparing financial reports and maintaining up‑to‑date documentation

Carry out data entry tasks and reconcile financial information with precision

Contribute to month‑end and year‑end close activities

Keep financial files and documentation well‑organised and accessible

Provide support with budgeting and forecasting (training provided)

Respond to day‑to‑day finance queries from internal teams

Work closely with the Finance Manager and wider Finance team to keep operations running smoothly

Bachelor’s degree in Finance, Accounting, Business, or a related field

Up to two years’ experience in a finance or accounting role

Solid understanding of core financial and accounting principles

Confident using Google Sheets and the wider Google Workspace suite

Strong proficiency in Microsoft Excel and other MS Office tools

Exceptional attention to detail and commitment to accuracy

Strong analytical thinking and problem‑solving ability

Excellent organisational and time‑management skills

A proactive, curious mindset with a desire to learn and improve

Hands‑on experience with Google Apps Script for workflow automation

Familiarity with accounting or ERP software (ideally Xero)

Understanding of basic bookkeeping practices and financial reporting methodologies