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🌟 Senior Software C#.Net CORE / AI Engineer

Login.works
Portugalfull_timeVerifiedPosted 14 Jan 2026

About the role

🌟 Senior Software C#.Net CORE / AI Engineer

πŸ“ About our client:
Our client is a global LegalTech organization building modern SaaS solutions used by a diverse international customer base, including large enterprise clients. They focus on quality, scalability, and continuous improvement while strongly investing in their people and technology.

πŸš€ Responsibilities:

  • Build and maintain modern, scalable applications using .NET C# and complementary technologies.

  • Experiment with multiple technical approaches through rapid prototyping.

  • Deliver high-quality, production-ready software on a regular basis.

  • Develop deep expertise in the team’s codebase and system architecture.

  • Perform insightful code reviews, considering both implementation and architectural impact.

  • Ensure documentation exists for all critical systems and contribute to shared technical guides.

  • Monitor dashboards and alerts, responding to incidents with appropriate urgency.

  • Drive technical decision-making by identifying risks, trade-offs, and alignment across teams.

  • Diagnose complex issues, implement fixes, and add automated regression tests.

  • Lead technical refinements and improvements from specification to delivery.

  • Mentor, coach, and empower other engineers through knowledge sharing, demos, and presentations.

πŸ‘€ Profile sought:

Degree: Bachelor’s degree (or equivalent) in Computer Science or a related field.

Experience:

  • 5+ years of experience as a Software Engineer working with .NET C#.

Technical skills:

  • Strong understanding of microservices architectures, patterns, and trade-offs.

  • Experience with event-driven architectures and messaging tools (Kafka preferred; Pulsar, RabbitMQ, etc.).

  • Hands-on experience with databases such as PostgreSQL, Redis, Elasticsearch, and choosing the right tool for each use case.

  • Familiarity with CI/CD pipelines for application deployment.

  • Experience working in Agile environments.

  • Technical leadership experience, including mentoring other engineers.

  • Ability to independently solve highly complex technical problems.

  • Experience quickly understanding complex architectures and large codebases.

  • Understanding of feature flags for faster and safer releases.

  • Frontend experience with Angular or Node.js is a plus.

Languages:

  • Fluent in English; Portuguese is a plus.

Soft skills:

  • Strong communication skills, adapting style to different audiences.

  • Team-oriented, collaborative, and constructive in conflict resolution.

  • Adaptable and comfortable with change.

  • Strong advocate for continuous improvement.

  • Proactive, pragmatic, and data-driven in decision-making.

🌍 Benefits & Culture:

  • Outsourcing contract with our client

  • Login.works is a AI Tech Boutique and Tech Partner

  • Modern tech stack and exposure to cutting-edge AI topics.

  • Collaborative, international, and knowledge-sharing culture.

  • Opportunity to work on impactful, data-driven products.

  • Hybrid role > 20% of time at the office in Marques Pombal, Lisbon

πŸ’Ό Department: Tech

πŸ“ Location: Lisbon > 20% at the office

πŸ“† Start date: ASAP

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Login.works

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