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:
🤝 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
4+ years of commercial backend development experience.
Strong experience with Java and Spring Boot.
Experience with Java 19.
Experience with MyBatis.
Strong knowledge of PostgreSQL.
Confident SQL skills.
Experience analyzing and optimizing query execution plans.
Understanding of indexes and database performance basics.
Experience with RabbitMQ or similar message brokers.
Experience with REST API development and integration.
Ability to work with complex product logic and enterprise-level workflows.
Good communication skills and ownership mindset.
English: Intermediate+.
🌍 Why Spin.AI
Work in a fast-moving, high-impact cybersecurity company recognized by Gartner, Forrester, and G2.
Work on a real product with real users and visible business impact
Work on an interesting and large-scale product
Solve complex, non-trivial security and engineering challenges
Opportunity to influence technical and product decisions
Trust from management and autonomy in day-to-day work
Strong, professional team with deep expertise
🎁 What we offer
Annual performance-based salary review
Annual performance-based bonus
Referral bonuses
Educational budget
Sport & hobby compensation
Medical insurance compensation
Company presents (birthdays, anniversaries, weddings, etc.)
Corporate travel parties twice a year
