Stellenangebote für Systems Developer Jobs in Hannover

09.05.25 | Vollzeit | Hannover | Concordia Versicherungsgesellschaft a. G.Mainframe Umfeld mit dem IBM Developer for z/OS Systems (IDz) - Modernisierung der Mainframe-Umgebung auf moderne Java-Plattform - Analyse und Implementierung der Anforderungen aus den Bereichen Sach- und Rechtsschutzversicherungen - Integration der COBOL-Anwendungen in unsere bestehende Client-Server

21.05.25 | Vollzeit | Hannover | JobLeads GmbH | 60.000 € - 80.000 € Conferencing, fixed network systems, as well as good analytical skills and solution-oriented thinking - Demonstrated long-term professional experience with Cisco UC and call center software products, with a minimum certification of Cisco CCNP; CCIE-level certification and Webex vendor certifications

17.05.25 | Vollzeit | Hannover | JobLeads GmbH | 40.000 € - 60.000 € IT Operations Analyst to provide systems analysis techniques and procedures, including consulting with users to determine functional requirements. This includes maintenance and technical support for a customer’s product at customer field locations. You will play a crucial role in ensuring smooth

17.05.25 | Vollzeit | Hannover | JobLeads GmbH | 40.000 € - 60.000 € Are comfortable navigating a CRM 6. Understand the basic functionality of Apple iOS, Android, and Windows platforms as well as cloud-based software like Microsoft Suite, OneDrive, etc 7. Previous experience troubleshooting and supporting iOS, Android, and Windows platforms 8. Experience with chat systems 9

17.05.25 | Vollzeit | Hannover | JobLeads GmbH | 100.000 € - 125.000 € HFT strategies and systems. 4. Deep understanding of low-latency systems, high-throughput data processing, and network optimization. 5. Fluent in English (written and spoken). What You’ll Do 1. Lead the design, development, and optimization of high-frequency trading strategies. 2. Build and manage

17.05.25 | Vollzeit | Hannover | JobLeads GmbH | 60.000 € - 80.000 € Contract Administrator Underwriting. You can look forward to - Supporting the Underwriting Team Preparing and managing contract documents and assisting in contract processing. - Data Maintenance Entering and securing contract data in our systems. - Document Review Creating and reviewing

16.05.25 | Vollzeit | Hannover | JobLeads GmbH | 60.000 € - 80.000 € Environment for all stakeholders. Our services range from developing solutions, handling support and service requests, to governing systems and standards - all aligned with our internal customers. Job Description The HR IT Solution Manager EMEA will oversee and manage the relationship between our HR

14.05.25 | Vollzeit, Studentenjobs | Hannover | JobLeads GmbH | 40.000 € - 60.000 € Student Employee (m/f/d) - Information Systems and Data Integration, Hanover col-narrow-left Client Scalefree Location Hanover, Germany Job Category Other - EU work permit required Yes col-narrow-right Job Reference 0df0fee98b3d Job Views 1 Posted 11.05.2025 Expiry Date 25.06.2025 col-wide

14.05.25 | Vollzeit | Hannover | JobLeads GmbH | 60.000 € - 80.000 € Business growth. As an Enterprise Search Engineer (f/m/d), you will manage and optimize the search functionality of E.ON's applications and systems. Your tasks include configuring and tuning the corporate search engine to ensure optimal performance and accurate results, as well as designing