Account Receivable Accountant

BGC Group; Belfast; On-site; GBP 25,000 - 35,000; Full time

Job summary

A leading financial technology firm in Belfast is seeking a proactive Accounts Receivable Assistant to manage billing operations including invoicing, collections, and billing analytics. You will work with sales and engineering teams to ensure accurate billing, resolve queries, and maintain financial records. Ideal candidates have billing experience in financial services or fintech, strong Excel skills, and a customer-focused approach.

Qualifications

• Experience in billing or revenue operations within financial services, fintech, or SaaS.
• Strong general IT skills, with solid experience with Excel or other spreadsheet tools.
• Ability to accurately bill variable usage schedules and resolve discrepancies.

Responsibilities

• Prepare and issue monthly invoices to global clients.
• Coordinate with Sales, Support, and Engineering teams for billing data.
• Monitor accounts receivable - track payments and resolve billing queries.
• Reconcile billing records and client contracts.
• Maintain accurate records in financial systems.
• Respond swiftly to client billing inquiries.

Skills

Billing operations experience

Strong IT skills

Attention to detail

Customer-focused communication

Team collaboration

Self-starter

Adaptability

Tools

Excel

Job description

Overview

Lucera is a New York–based financial technology firm (owned by BGC Group, NASDAQ: BGC) offering high-performance, co-located infrastructure, connectivity and trading platform solutions for financial services clients worldwide. We deliver FX & FI SaaS trading platforms and low-latency infrastructure from global hubs including New York, Chicago, Frankfurt, London, Tokyo, and Singapore. Our Belfast office supports our global client base as a centre for engineering, DevOps and customer support, with white-glove service and innovative solutions.

Description

We’re seeking a proactive Accounts Receivable Assistant to join our Belfast team. This role is central to managing billing operations for our monthly co-location, connectivity, and platform services. You will ensure accurate invoicing, timely collections, and strong billing analytics to support Lucera’s scalable growth.

Responsibilities

• Prepare and issue monthly invoices to global clients, tracking usage, service tiers, and contract terms.
• Coordinate with Sales, Support, and Engineering teams to gather and validate billing data.
• Monitor accounts receivable - track payments and resolve billing queries.
• Reconcile billing records and client contracts, investigating and resolving discrepancies.
• Maintain accurate records in financial systems; assist with month-end close.
• Respond swiftly to client billing inquiries with professionalism and clarity.
• Provide billing support for new client setups and onboarding processes.

What You’ll Need

• Experience: years in billing or revenue operations—preferably within financial services, fintech, or SaaS.
• Systems & Tools: Strong general IT skills, with solid experience with Excel or other spreadsheet tools.
• Attention to Detail: Ability to accurately bill variable usage schedules and resolve discrepancies.
• Communication: Clear, customer-focused writing and interpersonal skills.
• Team Collaboration: Able to cross-function effectively with multiple teams.
• Self-Starter: Comfortable working in a small finance group with autonomy.
• Adaptability: Experience with billing irregularities, contract amendments, and rate changes.