Senior .Net Developer – C#, Sql, Restful Apis

Itds Portugal; Porto; Hybrid; EUR 42,000 - 65,000; Full time

Benefits offered by this job

Hybrid work model

Job summary

ITDS Portugal is seeking a Senior .NET Developer in Porto for a hybrid work model. You will design, upgrade, and optimize enterprise-grade .NET applications and APIs to drive digital transformation for our clients.

The role requires 6+ years of C#/.NET experience, strong SQL skills, experience with RESTful APIs, and a solid grasp of SOLID principles. English fluency is essential; Portuguese is a plus. This is a Porto-based opportunity with hybrid work alignment.

Qualifications

• 6+ years of professional software development experience focusing on C# and .NET technologies.
• Strong SQL skills including database design and complex query optimization.
• Hands-on experience building RESTful APIs and integrating services.
• Solid understanding of SOLID principles and common design patterns.
• Experience working in agile environments and collaborating with cross-functional teams.
• Excellent written and spoken English; Portuguese is a plus.

Responsibilities

• Design and develop high-quality, scalable .NET applications following best practices and architectural standards.
• Enhance and upgrade existing applications for performance, security, and maintainability.
• Develop and optimize complex SQL queries, stored procedures, and views.
• Establish and maintain automated testing frameworks to ensure code quality.
• Collaborate with cross-functional teams using agile methodologies to deliver solutions.
• Integrate RESTful APIs for data and service communication; participate in code reviews.

Skills

C#/.NET

SQL

RESTful APIs

SOLID design principles

Agile methodologies

English fluent

Education

Bachelor’s degree in Computer Science or related field

Job description

Unleash innovation — architect tomorrow’s enterprise solutions with power and precision!

Porto-based opportunity with hybrid work model

As a Senior .NET Developer, you will be working for our client, a forward-thinking leader in the technology industry dedicated to delivering robust, scalable, and innovative software solutions. You will play a crucial role in designing, upgrading, and optimizing applications that empower businesses to stay ahead in a competitive landscape. Join us and be part of a journey that pushes technical boundaries and drives digital transformation.

Your main responsibilities:

• Design and develop high-quality, scalable .NET applications following best practices and architectural standards
• Enhance and upgrade existing applications to ensure optimal performance, security, and maintainability
• Develop and optimize complex SQL queries, stored procedures, and views for efficient data processing
• Establish and maintain automated testing frameworks to ensure code quality and reliability
• Collaborate with cross-functional teams using agile methodologies to deliver innovative solutions
• Integrate RESTful APIs to enable seamless data and service communication
• Apply SOLID principles and design patterns to create flexible and maintainable code
• Participate in code reviews, knowledge sharing, and continuous improvement initiatives

You're ideal for this role if you have:

• 6+ years of professional experience in software development, with a strong focus on C# and .NET technologies
• Proven expertise in SQL, including database architecture and complex query optimization
• Hands-on experience in developing and working with RESTful APIs
• Solid understanding of SOLID principles and design patterns
• Experience working in agile environments
• Fluent in English, with Portuguese language skills considered a plus

It is a strong plus if you have:

• Certifications related to .NET or software architecture
• Experience with automated testing tools and frameworks

Language Required for the role:
English (Fluent), Portuguese (Conversational/Fluent preferred)

Eligibility to work on this role:
Only candidates with an existing legal right to work in the European Union will be considered for this role.

https://itdsportugal.com/en/it-jobs/10222/?utm_source=itjobs