Accounts Receivable Assistant

Lucera Financial Infrastructures; Belfast; Hybrid; GBP 30,000 - 40,000; Full time

Job summary

A financial technology firm in Belfast is seeking an Accounts Receivable Assistant to manage billing operations. The role requires over 3 years of experience in billing, strong IT skills, and the ability to work collaboratively within a small finance team. This position offers competitive compensation and a hybrid work environment, providing an opportunity to develop skills in global billing and SaaS finance.

Benefits

Competitive compensation

Hybrid working model

Opportunity to deepen knowledge in billing and finance

Qualifications

• 3+ years in billing or revenue operations, ideally in financial services or SaaS.
• Strong general IT skills.
• Clear, customer-focused writing and interpersonal skills.

Responsibilities

• Prepare and issue monthly invoices to global clients.
• Coordinate with teams to validate billing data.
• Monitor accounts receivable and resolve billing queries.
• Reconcile billing records and investigate discrepancies.
• Maintain records in financial systems and assist with month-end close.
• Respond to client billing inquiries professionally.

Skills

Billing operations

Excel

Attention to detail

Communication skills

Team collaboration

Adaptability

Tools

Financial systems

Spreadsheet tools

Job description

About Lucera Financial Infrastructures

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.

Key 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.

Requirements:

• Experience: 3+ 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.

Why Join Us

• Engage in a growing global fintech firm – Role is based in Belfast.
• Competitive compensation.
• Hybrid working model: flexible in-office and remote days.
• Opportunity to deepen your knowledge of global billing, tech invoicing, and SaaS finance