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deltaconX AG

Helpdesk Application Supporter

Full-TimeUpdated on 10/23/2026
€35.7k/yr
Mid
Vienna, Austria
HybridHybrid role in Vienna; home office is optional. Applicants must be EU citizens or hold an Austrian Red-White-Red Card or Austrian-issued Blue Card.
Customer Experience & SupportCustomer Support

About the job

Requirements
  • Completed vocational education or professional experience in IT or software, including at least 2–3 years in a helpdesk or support function.
  • At least 2 years of application support experience with complex applications.
  • Good knowledge of API tools, data transformation, and SFTP.
  • Experience with Postman, Excel, FileZilla, Visual Studio Code, and Ponton X/P Messenger.
  • Knowledge of XML or CSV is required.
  • Basic knowledge of the software development lifecycle.
  • Initial experience in release management.
  • Very good German proficiency (C1 or C2) and English proficiency (B2), spoken and written, are required.
  • Willingness and motivation to learn regulatory subject matter, particularly transaction reporting regulations such as EMIR, MiFIR, SFTR, Dodd-Frank, or REMIT.
  • Work in a structured and organized manner, prioritize clearly, and demonstrate independence, initiative, and accountability.
  • Communicate professionally, courteously, and in a solution-oriented manner with customers.
Responsibilities
  • Process and qualify customer inquiries received by email and through the ticketing system.
  • Collaborate with internal and external stakeholders, including partners, the development team, quality assurance, and product management.
  • Support and advise customers, usually by email and occasionally in video conferences; address their needs and resolve requests efficiently.
  • Conduct quality assurance tests by checking the functionality and results of the SaaS product.
  • Communicate independently and professionally with customers and partners to deliver solutions and manage expectations.
  • Conduct user acceptance testing to evaluate functionality and results.
  • Onboard new customers.
Desired Qualifications
  • Professional experience in financial services, banking, energy, FinTech, or compliance.
  • Basic knowledge of networking technologies.

About the company

Company Size

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Founded

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