Senior System Analyst - Payments

Responsibilities: Analyze business scenarios and product requirements; communicate with international partners and customers Design new features and create functional specifications Evaluate backward compatibility of product changes and align requirements with stakeholders Drive end-to-end feature implementation Break down requirements into development tasks and coordinate implementation details Collaborate with external providers (e.g., payment processors, service providers) Work closely with developers, QA engineers, and technical writers Validate implemented features against specifications; perform acceptance testing Develop test plans and test scenarios, including edge cases (e.g., data migration, invalid data, high load) Support maintenance activities, including handling support requests and verifying bug fixes Required Qualifications Bachelor’s or Master’s degree in Computer Science, Information Systems, or a related field 5+ years of experience in system analysis and writing functional specifications 3+ years of experience in payment processing and third-party integrations Strong experience writing functional documentation in English Experience working closely with developers and business users Experience in acceptance testing and test scenario creation Strong analytical thinking and problem-solving skills Ability to structure and communicate complex information clearly Strong prioritization skills and results-oriented mindset Excellent communication and collaboration skills Fluent English Preferred Qualifications Experience in project management Experience with ERP system implementation or support We offer: Private health insurance Performance bonuses Full work equipment (Laptop, mouse, headphones, etc) Great opportunities for career growth We are open to work from home, hybrid or fully on site working model from our office in Belgrade ***The title and salary will be discussed with a successful candidate depending on the level of experience. Acumatica is an Affirmative Action and Equal Opportunity Employer/Veterans/Disabled. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. If you have a disability and you believe you need a reasonable accommodation in order to search for a job opening or to submit an online application, please e-mail . This email is created exclusively to assist disabled job seekers whose disability prevents them from being able to apply online. Acumatica is a company on a mission. We are a leading innovator in cloud ERP (Enterprise Resource Planning) solutions with growing businesses worldwide. But don’t take our word for it—read what analysts like G2, IDC, Nucleus Research, and Info-Tech have to say about us. Acumatica is different by design and purposely built to help small and midsized companies thrive in today’s digital economy. Our industry-specific business management solution is engineered to address real-world needs—featuring intelligent workflows and market-leading usability that enable companies to manage risk, anticipate disruption, and seize new opportunities. Our principled business practices, growth-friendly licensing, and flexible deployment options put organizations in control of their own future. Acumatica is more than just a product—we are a community of partners, customers, and creators committed to elevating business performance. Our ecosystem is driven by collaboration, merging leading technology and real-world insights to put organizations control of their future. In May of 2025, Acumatica was acquired by Vista Equity Partners, a global investment firm focused on enterprise software, data and technology-enabled businesses. Acumatica’s culture is collaborative and high-energy. We are passionate about our product and our mission, and we are loyal to each other and our company. We value work/life balance, efficiency, simplicity, freakishly friendly customer service, and making a difference in the world. Acumatica offers exceptional professional and financial growth potential. To learn more about Acumatica’s mission, please visit: Acumatica is looking for a Senior System Analyst to join our Payments Team in Belgrade, Serbia. Our team develops and maintains the payment processing module within Acumatica ERP. We aim to provide customers with convenient payment collection methods, including credit cards, electronic bank transfers, POS terminals, and payment links. We integrate with external service providers and ensure our product supports seamless integration and customization.