Senior Software Engineer - Enterprise Systems at JUST ONE | Recruitment & Executive Search agency

Athens, Attica, Greece -

Full Time

Start Date

Immediate

Expiry Date

19 May, 26

Salary

0.0

Posted On

18 Feb, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

.NET, C#, VB.NET, REST, SOAP, SQL Server, Stored Procedures, CI/CD, Jenkins, Git, Authentication, Access Control, Debugging, Architecture, Batch Integrations, Legacy Systems

Industry

Staffing and Recruiting

Description

For a leading Insurance company: Senior Software Engineer - Enterprise Systems Responsibilities Design, develop, and maintain enterprise applications using .NET technologies (C#, VB.NET). Modernize and enhance legacy systems to improve performance, stability, and maintainability. Develop and support client/server applications in remote and multi-user environments. Troubleshoot and resolve issues related to database connectivity, concurrency, and system performance. Build and maintain REST, SOAP, and batch integrations with internal and external systems. Ensure reliable and accurate data exchange across enterprise platforms. Optimize SQL Server databases, stored procedures, and complex queries. Support transactional and analytical workloads in large-scale database environments. Provide production support, incident resolution, and root-cause analysis for critical systems. Implement secure authentication and access control mechanisms aligned with compliance standards. Contribute to system architecture improvements, modularization, and modernization initiatives. Collaborate with business teams, vendors, and engineering peers while supporting CI/CD and development best practices. Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or related field. Master’s degree (preferred) in Information Technology, Software Engineering, Information Security, or related STEM discipline. Additional academic or professional certifications considered an asset: Microsoft Certified: .NET Developer / Azure Developer. SQL Server or Database Engineering certifications. Certifications related to systems security, compliance, or cloud technologies. Experience with CI/CD pipelines (e.g., Jenkins), version control (Git), scripting, and automation. Familiarity with secret management tools, remote deployment systems, and monitoring dashboards. Comfort with modern FE/BE stacks used across enterprise environments. Strong analytical and debugging ability, especially in large legacy systems. Capability to manage complexity and drive improvements without disrupting critical operations. Effective communication with technical and business audiences. High ownership mindset and ability to work under pressure. Competitive compensation package Career development and growth opportunities

Responsibilities

The Senior Software Engineer will be responsible for designing, developing, and maintaining enterprise applications using .NET technologies, while also modernizing and enhancing legacy systems for improved performance and stability. Key duties include building integrations, optimizing SQL Server databases, and providing production support and incident resolution for critical systems.