KWAN

KWAN is a 100% Portuguese company that is part of the Rupeal Group, dedicated to IT Staffing, consulting, and outsourcing. KWAN exists because a developer believed in a different way of recruiting: treating people with the respect they deserve. Our goal is to be your go-to place for career advice and help you reach your dream job.
About company

Tech Lead (C# & React)

On-site

location Lisbon

date March 12, 2026

types Full-time

We are looking for a Tech Lead (C# & React.js) to work in Lisbon who's eager to embark on an exciting new opportunity!

https://form.typeform.com/to/PYqxT8NO?opportunity=Filipa%20Almeida&channel=ITJobs

About KWAN

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 is this challenge about

• Lead the technical design and development of web applications using .NET and React;

• Define and maintain scalable architecture and development best practices;

• Develop and maintain REST APIs and backend services using .NET / .NET Core;

• Collaborate with cross-functional teams to deliver high-quality digital solutions;

• Ensure implementation of web security standards and vulnerability mitigation practices;

• Oversee CI/CD pipelines, version control workflows, and release processes;

• Monitor and optimize web performance, including Core Web Vitals;

• Support implementation and integration of analytics, tag management, and consent tools.

Does it sound exciting?

https://form.typeform.com/to/PYqxT8NO?opportunity=Filipa%20Almeida&channel=ITJobs

What we are looking for

• Experience as a Tech Lead or Senior Developer;

• Minimum of 7 years of application development experience using the .NET framework;

• Strong knowledge of React, JavaScript/TypeScript, HTML, and the front-end ecosystem;

• Strong experience with .NET / .NET Core and REST APIs;

• Experience with GitHub, GitFlow, and CI/CD pipelines;

• Knowledge of web security policies, particularly CSP, OWASP, and vulnerability mitigation;

• Experience with web performance optimization (Core Web Vitals);

• Familiarity with cloud platforms, preferably Azure

• Experience with Adobe Experience Manager (AEM) CMS (Plus);

• Knowledge of GA4 and Google Tag Manager (Plus);

• Understanding of technical SEO (Plus);

• Experience managing cookies, tag managers, and consent management platforms (CMP) (Plus).

Do you meet most of the position requirements? Then grab this opportunity and apply now!

https://form.typeform.com/to/PYqxT8NO?opportunity=Filipa%20Almeida&channel=ITJobs

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;

• A relocation package and visa sponsorship for all our international hires.

Some Words From Our Colleagues

“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

Grab this opportunity, apply now!

https://form.typeform.com/to/PYqxT8NO?opportunity=Filipa%20Almeida&channel=ITJobs

Contacts and Address

earth Avenida Duque de Ávila, 46 - 3ºA 1050 - 083 Lisboa