English-speaking Junior Finance & Accounting Specialist

Workster is partnering with a global leader in insulin delivery and diabetes technology to recruit a English-speaking Junior O2C Specialist.
This role supports the end-to-end Order-to-Cash process in the medical device sector, focusing on order management, billing, collections follow-ups, and reconciliations. If you are passionate about finance operations and want to gain exposure to global O2C processes, this is a great opportunity to grow and develop professionally.

Your Role

• Process customer orders accurately and promptly via email and other inquiries.


• Generate invoices and credit notes ensuring compliance with company policies.


• Perform daily cash applications for customer payments.


• Monitor AR aging reports, follow up with customers regarding overdue invoices, and assist in resolving any billing issues.


• Resolve simple customer queries and escalate more complex cases as needed.


• Assist in reconciliations, month-end and quarter-end closing, and audit requirements.


• Maintain accurate and up-to-date customer master data in the ERP system.

Your Qualifications

• Bachelor’s degree in Commerce, Accounting, or Finance.


• At least 6 months of experience in Accounts Receivable, O2C, or Finance operations (2–5 years is a plus).


• Knowledge of accounting and finance principles.


• Proficiency in MS Excel (v-lookups, pivot tables are preferred).


• Familiarity with ERP systems (SAP/Oracle/NetSuite) is an advantage.


• Fluent in  English (C1).


• Strong customer service orientation with attention to detail and multitasking abilities.


• Ability to work independently and as part of a team.

The Offer

• Full-time permanent contract (40 hours/week).


• Monday to Friday – 09:00 to 18:00 – Saturday and Sunday Off


• Health insurance and other well-being benefits.


• Career development opportunities with access to internal training programs.


• Opportunities to grow within an international, forward-thinking company.


• Modern office location in Porto with a collaborative work environment.