Senior Backend Developer - Node.js

Senior Backend Developer - Node.js

Porto, Portugal

Specialist (5+ Years)

Hybrid

Not Accepting Candidates Living Abroad No Relocation Package Available English Required Portuguese Required

We are looking for a Senior Backend Developer - Node.js to work in Remotely who's eager to embark on an exciting new opportunity!

What is this challenge about:

Develop and maintain software using JavaScript and TypeScript;

Build applications with modern frameworks and platforms such as React and Node.js;

Write semantic and accessible HTML;

Utilize AWS services, CI/CD pipelines, and CDK/Serverless for deployment;

Apply protocols and architectural patterns such as HTTP, REST, and GraphQL;

Work with SQL and NoSQL data stores;

Follow service-oriented architectures, design patterns, and data structures;

Use code versioning tools like Git in a continuous delivery process;

Apply code quality tools such as linters, type checkers, and static analyzers;

Collaborate in Agile methodologies such as Scrum and Kanban;

Vanilla JavaScript and/or TypeScript, and modern frameworks such as React and Node.js;

Developing performant, resilient, and secure services;

Building and handling asynchronous and event-driven workflows;

Protocols and architectural patterns like HTTP, REST, and/or GraphQL;

Writing testable code and prioritizing testing;

Being passionate, self-driven, and able to work with little supervision towards team or company goals;

Familiar with Cloud platforms like AWS, GCP, or Azure;

Fluent in English;

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!

What You Can Expect as a KWANer

Respect isn’t optional here

You’re trusted to deliver and supported to speak up.

Dedicated People Experience Partner

Someone accountable for your growth, not your allocation.

Continuous learning, built in

Learning that keeps pace with the systems you build.

Recognition that’s visible

Your impact doesn’t go unnoticed. Through our Rocket Points System, we constantly recognize your contributions.

A culture you can feel

From movie and quiz nights to dinners and our annual summer gathering, we don’t just work together - we build real connections.

Flexible spaces to work your way

Remote-first, with physical hubs when you want connection.