Staff Java Backend Developer

Portugal, PT

Specialist (5+ Years)

Full remote

English Required

Requirements

HOW YOU’LL MAKE AN IMPACT:

Being involved in all areas of delivery, with the technical gravitas to mentor and inspire the development team, helping your team improve by sharing your own knowledge, experience, and insights;
Taking ownership of your code every step of the way - from development to deployment and maintenance;
Diagnosing issues in production and devising solutions for them;
Being an integral part of solutions design and implementation;
Challenging business requirements, to ensure you are continuously delivering the best possible outcome;
Harnessing innovation and driving adoption of new technologies to deliver business value;
Contributing to shaping our online technology roadmap, influencing our future technical direction, and balancing passion with precision to deliver exceptional online service and solutions for our customers;
Conducting technical interviews for positions within your area of expertise.

YOUR SKILLS & EXPERIENCE

*The tech stack you will work with depends on the project;

Minimum 10 years of experience with Java programming language, including latest versions (17 & 21);
Experience in any of the popular web frameworks like Spring (boot, cloud, data flow) or Micronaut;
Cloud technology experience: Azure Cloud, Terraform, Docker, Kubernetes, Github Actions;
Knowledge of architectural styles: Microservices, Web services, SOA and API Protocols: GraphQL Federation, REST API;
Experience in monitoring & observability: OpenTelemetry, Dynatrace, other Observability tools;
Proficiency in using build tools: Gradle;
Experience with unit testing, integration testing, and test-driven development;
Experience in working with databases: MongoDB, MySQL;
Experience working with Application Lifecycle Management Tools: JIRA, Confluence, Jenkins, NexusPro (or) similar;
Working practices: Knowledge and experience of agile frameworks and practices: Scrum/Kanban, user stories, BDD/TDD, DevOps, Continuous Integration & Delivery, Pair Programming etc;
Proficiency in applying design patterns effectively to develop scalable and maintainable solutions;
Previous experience in balancing technical priorities with business needs and aligning teams with organisational goals while maintaining technical standards;
A strong interest in understanding market dynamics and identifying customer needs to drive strategic decision-making and business growth;
Experience in mentoring engineering teams , fostering collaboration and providing guidance when needed;
Fluency in English

Depending on the project, relevant experience in other areas would be necessary:

Strong understanding of Product Information Management / Master Data Management platforms (like Stibo STEP), and background in e-commerce/retail would be appreciated;
For some projects Kotlin experience is nice-to-have.

We'd love to get to know you better!

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.