Senior Software Developer - Contractor

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: http://www.acumatica.com.

Acumatica is hiring a Senior Software Developer for our Project & Construction Team in Serbia, Belgrade!

In this role, you will be part of Acumatica team of developers that collaborate and create large-scale, production-grade cloud-based ERP, CRM, and other web applications using Microsoft technologies (.NET, C#, MS SQL Server) for businesses around the world.

What you will do:

• Participate in the design and development of business applications and customizations.
• Develop of the data access layers, business objects, and presentation layers.
• Research and prototyping ERP modules using new technologies.
• Support for existing code, code optimization and refactoring.
• Analyze the code, search for and correct errors in the existing functionality.
• Working with development partners on architecture and code reviews.
• Provide guidance and support to developers participating in Acumatica’s development network, and evangelize the Acumatica xRP framework.

• You have 5+ years of experience in building commercial business applications using Microsoft technologies (.Net, C# and MS-SQL)
• You have strong knowledge of C# and experience in writing, profiling and optimization of complex queries
• You have experience in teamwork with version control systems (preferably Git)
• You have strong knowledge of the principles, patterns, and design of complex software systems, and the ability to apply them in practice
• You’re passionate about writing things that are “elegant and efficient” – things that are robust, scalable, and that perform well
• Your personal software practices ensure you deliver high quality even under pressure.
• You have had exposure to complex business solutions (ideally ERP, Financial, Supply Chain, E-commerce, CRM, or other business management software)
• You have a willingness to work directly with customers to investigate, gather product feedback, and solve problems
• You enjoy collaborating with, learning from, and teaching others (including across disciplines) so we all become better
• You are fluent in English

* This is a 12 month fixed-term maternity cover contract with the possibility for extension
**The title and salary will be discussed with a successful candidate depending on the level of experience. 
***We are open to work from home, hybrid or fully on site working model from our office in Belgrade depending on the candidate's preference

We offer:

• Private health insurance
• Performance bonuses
• Full work equipment (Laptop, mouse, headphones, etc)
• Great opportunities for career growth
   

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 [email protected]. This email is created exclusively to assist disabled job seekers whose disability prevents them from being able to apply online.