Hybrid Senior Software Developer, C#

at Aspire Software

• Job title: Senior Software Developer, C#
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: Cloud, Postgres, SQL, .NET
• Location requirements: Hybrid, Beirut, Lebanon

About the role

• Senior Software Developer evolving C# Windows services for Aspire Software in Lebanon. Collaborating with the CTO and senior developers on AI-focused projects.

Responsibilities

• Maintain and evolve the C# Windows services deployed at client sites (stability, performance, compatibility, robustness).
• Add the improvements needed to increase visibility and control over a distributed fleet of client-side services:
• Improve observability and incident resolution in production (log analysis, reproduction, fixes, post-mortems).
• Collaborate with other Dentitek components (PowerBuilder, SQL Anywhere DB, Postgres cloud, API) to ensure consistent and reliable integration.
• Assess the current state of the services and their ecosystem (architecture, technical debt, deployment, supportability).
• Propose a systematic modernization plan: refactoring and standardization (patterns, error handling, resilience); automated testing and tooling/CI/CD adapted to the on-prem context; security hardening and configuration best practices; evolution strategies (e.g., modern .NET, compatibility, packaging, installation, telemetry).
• Participate in the proposition of alternative solutions and migration plans to (or a target architecture) with a pragmatic roadmap (phases, risks, client impacts, backward compatibility)

Requirements

• Bachelor’s degree in computer science, engineering, or a combination of relevant expertise;
• Strong senior-level experience in C# / .NET and Windows services development (Worker Services, Windows Service, scheduling, background processing).
• Experience (high motivation) with AI development support tools (e.g. GitHub Copilot, Codex, ChatGPT)
• Solid production mindset: troubleshooting, performance, concurrency (threads/tasks), memory management, error handling and recovery.
• Experience with relational databases and SQL (ideally SQL Anywhere and/or PostgreSQL).
• Strong knowledge of Git and Git workflows;
• Experience with Agile development methodologies (e.g. Scrum, Kanban)
• Problem-solving attitude;
• As a senior with assigned responsibilities: Demonstrate initiative and autonomy;
• Collaborative team spirit;
• Ability to work in English.
• **Nice To Have**
• Experience with observability (structured logging, metrics, tracing) and monitoring/alerting tools.
• Experience with distributed on-prem environments (client deployments, network constraints, heterogeneous versions).
• Experience modernizing legacy systems and planning migrations (phased rollout, coexistence, backward compatibility).
• Experience with application and/or network security.
• Experience (or strong motivation) using AI tools to support development.
• Ability to work in French