Senior .NET Consultant: C# Architect & Tech Lead

Pyyne Digital; Porto; On-site; EUR 55,000 - 75,000; Full time

Job summary

Pyyne Digital is hiring a Senior .NET Consultant to integrate with client teams and deliver scalable .NET solutions. You will design, implement, and oversee robust systems while shaping how the company collaborates and builds software. Strong communication in English and the ability to mentor are essential.

You will work across the full stack, architecting RESTful services, microservices, and databases, while upholding clean architecture and modern engineering practices.

Qualifications

• Bachelor of Science in Computer Science or related field.
• Professional fluency in English (written and spoken).
• Strong expertise in C# and modern .NET (Core / 6+ / Framework).
• Experience building RESTful APIs, microservices, or ASP.NET Core.
• Familiarity with frontend JS frameworks for collaboration.
• Relational databases knowledge: SQL Server, PostgreSQL, MySQL.
• ORMs like EF Core or Dapper and data access patterns.
• Understanding clean architecture, SOLID, DI, and Git.

Responsibilities

• Lead technical streams and deliverables in English for client teams.
• Architect, test, and deploy scalable .NET web apps.
• Collaborate across frontend and backend to deliver end-to-end solutions.
• Translate business goals into technical architecture and roadmaps.
• Mentor junior team members and enforce best practices.
• Drive design reviews, code reviews, and performance optimizations.
• Work with relational databases and data access frameworks.

Skills

English proficiency

Leadership

Full-stack collaboration

Education

Bachelor of Science in Computer Science or related field

Tools

C#

ASP.NET Core

EF Core / Dapper

SQL Server / PostgreSQL

Git

Job description

Pyyne Digital is hiring a Senior .NET Consultant to integrate with client teams and deliver scalable .NET solutions. You will design, implement, and oversee robust systems while shaping how the company collaborates and builds software. Strong communication in English and the ability to mentor are essential.

You will work across the full stack, architecting RESTful services, microservices, and databases, while upholding clean architecture and modern engineering practices.