Tech Lead C# Developer

Lisbon, Portugal; Porto, Portugal; Braga, Portugal; Coimbra, Portugal

Senior (4-6 Years)

Hybrid

English Required

What is this challenge about

Lead and develop the engineering team, promoting collaboration and continuous improvement;
Define and manage the end-to-end architecture of the CloudCockpit platform (.NET), ensuring scalability, security, and maintainability;
Remain hands-on, contributing to critical and complex features;
Ensure high standards of code quality, testing, and DevOps/CI-CD practices;
Collaborate with Product Management to translate user needs into effective technical solutions;
Ensure the quality, performance, and reliability of deliveries;
Identify and resolve complex technical issues and manage technical debt;
Make technical decisions while balancing quality, costs, and business priorities.

What we are looking for

5+ years of professional software development experience, with a strong focus on C#/.NET;
2+ years in technical leadership roles (Tech Lead, Senior Engineer with leadership responsibilities, or equivalent);
Experience designing and delivering complex, scalable, and reliable solutions, ideally in SaaS environments;
Advanced knowledge of .NET and C#;
Experience with SQL Server, including data modelling, queries, and optimization;
Knowledge of frontend development;
Hands-on experience with Microsoft Azure, particularly App Services, Azure SQL, Azure Functions, and Azure DevOps;
Experience with CI/CD and DevOps practices;
Knowledge of Domain-Driven Design (DDD) and modern software development patterns;
Experience managing technical debt and delivering technical roadmaps;
Daily use of AI in software development and solution design;
Fluent English and Portuguese;
Strong communication, problem-solving, and troubleshooting skills;
Experience mentoring and developing engineers;
Strong product mindset and ability to balance technical decisions with business needs;
Power BI experience is a plus.

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!