Java Developer

Spin.AI is a global SaaS cybersecurity company that protects mission-critical data across Google Workspace, Microsoft 365, Salesforce, Slack & more. Our product — SpinOne — is a platform that combines SSPM, ransomware protection, DLP, backup & recovery for enterprise customers worldwide.

We're looking for a Backend Developer with strong Java and Spring Boot experience to join our engineering team.

You'll work on a large-scale cybersecurity SaaS platform, building new product capabilities, developing cloud integrations, improving platform reliability, and solving complex engineering challenges that directly impact enterprise customers worldwide.

This role is based in our Lisbon office in a hybrid format. If you are not currently in Portugal, we are open to remote work during the trial period, with relocation to Lisbon afterward.

🛠 Architecture

You'll be working on a distributed backend platform built around a service-based architecture with 30+ independently deployable services.

Our backend ecosystem includes:

Java 19 & Spring Boot

Service-based architecture (30+ services)

Eureka Service Registry

REST APIs with OpenFeign

RabbitMQ for asynchronous communication

PostgreSQL

Shared databases for selected services

🚀 What You'll Build

You'll work on backend services powering SpinOne, including:

• Backup & Recovery functionality
• Google Workspace, Microsoft 365, Salesforce and Slack integrations
• Enterprise access control and permissions
• Audit logs and administration features
• Data synchronization and processing pipelines
• High-volume asynchronous workflows
• Cloud storage integrations

Some of the upcoming engineering challenges include:

• Building a new Google Directory Backup integration
• Designing scalable data storage for Google APIs
• Developing backup and restore processes
• Supporting migrations to new third-party APIs (e.g. Microsoft Graph)
• Making integrations resilient to API limitations, retries and partial failures

🤝 Responsibilities & Engineering Culture

After the onboarding period, you'll own features throughout their entire lifecycle.

This includes:

• analyzing business requirements and identifying missing scenarios
• discussing requirements with Product Owners
• participating in technical planning and estimation
• designing technical solutions together with the team
• implementing features
• writing and maintaining tests
• participating in code reviews
• fixing QA findings
• supporting releases
• monitoring production after release
• investigating production issues and customer-reported defects

Our engineers are expected to take ownership, proactively suggest improvements, and actively participate in technical discussions.

📌 Must-have Requirements

🌍 Why Spin.AI

🎁 What we offer