Senior Java Backend Engineer

We're looking for a Senior Java Backend Engineer to join KWAN on projects where robust, scalable systems are the backbone of how modern companies operate. This is a Remote challenge for residents in Portugal.

You'll work on complex backend architectures built for real production environments: distributed systems, event-driven pipelines, cloud-native infrastructure, and APIs that teams across the business depend on every day. The environment is technical, collaborative, and built for engineers who take ownership of what they ship.

🛠 The Challenge:

• Design and build high-performance Java backend systems from architecture to production;
• Work with event-driven architectures using Kafka at scale;
• Manage and evolve cloud infrastructure on Azure with Terraform;
• Develop and maintain GraphQL Federation layers across distributed services;
• Orchestrate containerised workloads with Kubernetes;
• Champion testing culture through TDD, integration testing, and shift-left practices;
• Drive CI/CD pipelines and contribute to engineering best practices.

Looking to advance your Development & Programming career with relocation support? Explore Development & Programming Jobs with Relocation Packages that include comprehensive packages to help you move and settle in your new role.

🔎 What you bring to the table:

• 5+ years of experience in software development with a strong Java backend focus;
• Solid command of OOP principles and design patterns;
• Hands-on experience with Terraform, Kubernetes, Kafka, and Azure;
• Strong CI/CD and Git practices;
• Excellent problem-solving skills and a collaborative mindset;
• Bonus points for Spring Boot experience and Agile environment background.
• Solid English level B2+.

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

✨ What we offer:

• Visa Sponsorship: Support for visas (e.g., Tech Visa, D3, etc.) for international hires.
• Relocation package.
• 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."

— Luís Caldeira, DevOps @ KWAN