Senior Java Backend Engineer

KWAN • Portugal

Remote Visa Sponsorship Relocation

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AI Summary

Join KWAN as a Senior Java Backend Engineer to design and build high-performance Java backend systems. Work on complex backend architectures, event-driven pipelines, and cloud-native infrastructure. Champion testing culture and drive CI/CD pipelines.

Key Highlights

Design and build high-performance Java backend systems

Work on complex backend architectures

Champion testing culture and drive CI/CD pipelines

Key Responsibilities

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

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Technical Skills Required

Java Terraform Kubernetes Kafka Azure GraphQL Spring Boot

Benefits & Perks

Visa Sponsorship

Relocation package

Competitive salary with awesome benefits

Empowering and respectful work culture

Project that matches your skills and ambitions

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Nice to Have

Spring Boot experience

Agile environment background

Job Description

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:

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