Senior C# .NET Developer

Rumos Portugal; Porto; On-site; EUR 60,000 - 80,000; Full time

Job summary

Rumos Portugal is seeking a senior .NET developer to join our Porto team. You will design and modernize enterprise applications, ensuring robust architecture and scalable solutions across sectors.

The ideal candidate has deep hands-on experience with C#, .NET, SQL and RESTful APIs, a solid grasp of SOLID principles, and a track record in Agile environments. Excellent English communication and a commitment to continuous learning are essential.

Qualifications

• Bachelor’s degree in Information Technology or a related field.
• Minimum 6 years of professional experience in similar roles.
• Experience with C#, .NET, and .NET Framework.
• Proven experience in designing and modernising applications with robust architecture.
• Proficiency in SQL, including database concepts and stored procedures.
• Experience with automated testing frameworks.
• Knowledge of RESTful APIs.
• Familiarity with SOLID principles and design patterns.
• Experience with Agile methodologies.
• Fluency in English.
• Detail-oriented and committed to continuous learning.

Skills

English fluency

Detail-oriented

Agile methodologies

Continuous learning

Education

Degree in Information Technology or related field

Tools

C#

.NET

.NET Framework

SQL

RESTful APIs

Testing frameworks

SOLID principles

Design patterns

Job description

• Degree in Information Technology or a related field;
• Minimum of 6 years of professional experience in similar roles;
• Experience in development using C#, .NET, and .NET Framework;
• Proven experience in designing and modernising applications, ensuring a robust architecture;
• Proficiency in SQL, including database architecture, stored procedures, views, among others;
• Solid knowledge of implementing automated testing frameworks;
• Knowledge of RESTful APIs;
• Familiarity with SOLID principles and design patterns;
• Experience with Agile methodologies;
• Fluency in English;
• Detail-oriented and committed to continuous learning.

Work with us:

• With more than 30 years of experience, Rumos has a team of professionals specialized in IT;
• At Rumos, consultants integrate highly challenging projects, based on the latest technology and in the most diverse sectors of activity;
• Rumos consultants have access to a certified training plan, which offers a constant update of technical skills;
• Rumos, as an employer, has job opportunities based on equity, integrity and diversity. Based on these values, we work so that no person is discriminated against on the basis of age, degree of disability, gender, marital status, pregnancy and maternity, race, beliefs or sexual orientation. We believe in everyone's abilities, because we have in our DNA team spirit and mutual help, empathy and respect.