Location
lisboa, lisboa, Portugal
Posted
June 10, 2026
Job Description
Senior .NET Developer
Five9 – Lisbon, Portugal
Responsibilities
- Lead architectural decisions for migrating a legacy single‑tenant .NET 8 application into an existing multitenant framework.
- Champion clean code principles and drive technical roadmaps that reduce technical debt while maintaining delivery velocity.
- Evaluate and introduce tooling, libraries, and frameworks that improve developer experience and system reliability.
- Mentor junior and mid‑level engineers through pairing, design reviews, and structured knowledge‑sharing sessions.
- Conduct constructive code reviews that uphold team standards and serve as teaching opportunities.
- Define and enforce coding standards, naming conventions, and architectural guidelines across the team.
- Identify systemic quality issues through review patterns and proactively propose process improvements.
- Partner closely with stakeholders to transl...