Senior .NET Developer

Portugal, PT

Senior (4-6 Years)

Remote

English Required Portuguese Required

What Is This Challenge About

• Lead the design, development, and maintenance of complex, high-performance solutions within the .NET ecosystem.
• Architect and implement scalable, secure, and reliable backend systems.
• Design, develop, and manage robust data integration processes using SQL Server Integration Services (SSIS).
• Optimize, maintain, and troubleshoot SQL Server databases to ensure high availability, performance, and scalability.
• Define and promote software architecture standards, development best practices, and technical guidelines.
• Ensure code quality through code reviews, testing strategies, and adherence to engineering standards.
• Collaborate with cross-functional teams to translate business requirements into technical solutions.
• Identify performance bottlenecks and implement optimization strategies across applications and databases.
• Support system enhancements, migrations, and modernization initiatives.
• Contribute to technical decision-making and continuous improvement initiatives throughout the software development lifecycle.

What We Are Looking For

• Bachelor degree in Computer Science, Business Informatics, or a comparable qualification.
• Minimum of 15 years of professional experience in .NET development.
• Extensive expertise in the .NET ecosystem and backend application development.
• Strong experience with SQL Server database administration, optimization, and performance tuning.
• Deep knowledge of SQL Server Integration Services (SSIS) and data integration solutions.
• Proven experience designing and implementing scalable enterprise-grade systems.
• Strong understanding of software architecture principles, design patterns, and best practices.
• Experience troubleshooting complex application and database-related issues.
• Ability to work closely with technical and business stakeholders to deliver effective solutions.
• Strong analytical, problem-solving, and decision-making skills.
• Living in Portugal (Remote role)
• Fluent level of English and Portuguese

We connect IT professionals with projects that match their skills, professional experience, and goals, then we offer a career progression program, delivered by in-house specialists - our People Experience Partners - to guide them through our journey with us.

What We Offer

• A project that matches your skills and ambitions, as well as your preferences for working policies and culture.
• A competitive salary with awesome benefits and opportunities to leverage your knowledge and network to earn additional income.
• An empowering and respectful work culture enriched with social and learning events.
• A People Experience Partner specially assigned to you - your go-to career guide, responsible for supporting your growth, facilitating training, and ensuring your work-life balance at KWAN.

At KWAN, they make sure that I feel comfortable with the client I’m working for and that what I’m doing aligns with my career aspirations.

Luis Caldeira, DevOps @ KWAN

At KWAN, I’m given the space to be myself and do what I love. I have control over the projects I work on, as well as the direction of my career.

Pedro Fonseca, Front End Developer @ KWAN

I see my People Experience Partner as someone who is always available to provide me with motivation and constant feedback, which helps me be sure that I am in the right place.

Josimar dos Reis, Software Developer @ KWAN

I know that I’ve contributed to the growth of a company that truly values a “people first culture”, because my ideas, experiences, and individuality were always appreciated.

João Nascimento, Software Developer (KWAN Alumni)

My two years at KWAN were an incredible experience! From the start, I was welcomed into a warm and collaborative environment where I felt truly supported.

Laís Ortiz, Software Developer @ (KWAN Alumni)

Grab this opportunity, apply now!