A small team building the SMS testing tool telecom teams actually trust.
TelQ Telecom is a globally recognized provider of SMS quality assurance services, founded in 2016. We help operators, aggregators, and platforms verify what really hits the handset — across 1,000+ live networks.
We’re small but mighty — and still the first choice for the biggest players in the industry. Customers consistently praise us for the best UI and most reliable solution on the market. That’s where you come in.
If you're someone who thrives on structure, takes pride in getting the numbers right, and likes knowing that your work actually keeps things running, this role is for you.
As a Billing Specialist, you'll be the go-to person for everything from invoicing and internal accounting to vendor communication and financial admin. You'll work in a dynamic international environment, with real ownership over your processes and direct impact on how the company operates day to day.
- Billing & Invoicing
Manage the full invoicing cycle: prepare, issue, review, and send invoices to clients in an organized and timely manner.
Maintain up-to-date client account records, track payments, and proactively follow up on outstanding debt.
Monitor billing deadlines and continuously identify opportunities to improve billing procedures.
- Accounting & Finance
Perform internal accounting tasks including bookkeeping entries, reconciliations, month-end procedures, and ensure correct posting of depreciation and write-offs.
Maintain the fixed asset register, process travel orders, cash transactions and expense reports, and assist in drafting the annual budget.
Liaise with banks on loans, guarantees and credit documentation, and support audit preparation with required documentation.
- Accounting Agency & Vendor CommunicationServe as the primary point of contact with the external accounting agency, company lawyer and insurance providers, handling documentation, policy management and regulatory updates.
3+ years of experience in a billing, accounting or finance role within an international company.
Bachelor’s degree in Economics, Accounting, Finance or a related field.
Professional working proficiency in English language.
Solid understanding of billing processes, invoice management and basic accounting principles (including amortization/depreciation).
Experience with accounting agencies and familiarity with Serbian tax and financial regulations.
Proficiency in tools such as Zoho Books, Minimax accounting software, or similar.
Advanced Microsoft Excel skills (pivot tables, VLOOKUP, data validation, reporting).
Exceptional attention to detail — accuracy is non-negotiable in this role.
Proactive mindset: you identify issues before they escalate and take initiative without being asked.
Highly responsible and reliable, consistently meeting deadlines and commitments.
Strong organizational skills with the ability to manage multiple tasks simultaneously.
Discreet and professional in handling confidential financial information.
Could this be the right next step for you?
If this sounds like an opportunity to grow, make an impact, and work with a great team, send us your CV in English.
Note: Only short-listed candidates will be contacted.
TelQ Telecom
What we do TelQ Telecom is a worldwide provider of SMS quality assurance services. As a cloud-based SaaS telecom platform, we are enabling customers all over the world to check and improve the quality of their telecom communication channels. Through the widest network of testing devices (15k+) in the industry, we have so far handled over ten million test results. We collaborate with major mobile network operators in Europe and Asia, as well as leading SMS service providers. We provide testing…