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Spin Technology

Open since May 2026

Java DeveloperSpin Technology · Lisbon

Java Developer

LisbonHybridFull-time

AI Summary

Backend Developer building and maintaining Java/Spring Boot services for a cybersecurity SaaS platform, including integrations, data processing, and asynchronous workflows.

About this role

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

You will work on backend services for a complex cybersecurity SaaS product, including integrations, data processing, asynchronous workflows, access control, permissions, audit logs, backup and recovery flows.

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.

🛠 Tech Stack

  • Java 19
  • Spring Boot
  • MyBatis
  • PostgreSQL
  • RabbitMQ
  • REST APIs
  • Git / Bitbucket
  • Jira / Confluence
  • CI/CD pipelines

    • 🧰 Responsibilities

  • Develop and maintain backend services using Java and Spring Boot.
  • Work with PostgreSQL: write SQL queries, analyze execution plans, optimize performance, and work with indexes.
  • Use MyBatis for database interaction.
  • Build and maintain integrations with internal and external APIs.
  • Work with RabbitMQ and asynchronous backend workflows.
  • Participate in technical discussions, code reviews, and feature planning.
  • Collaborate with frontend, QA, DevOps, and Product teams.
  • Debug issues, analyze logs, and improve backend performance and reliability.
  • Write clean, maintainable, and well-structured code.

    • 📌 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+.

    • Nice-to-have

  • Experience with Elasticsearch.
  • Experience with AWS S3, Google Cloud Storage, or Azure Blob Storage.
  • Experience with Salesforce API.
  • Experience with Microsoft Graph API.
  • Experience with Google API.
  • Experience with Slack API.
  • Experience with cybersecurity, SaaS, or enterprise products.
  • Experience with Claude AI or other AI tools for development productivity.

    • 🌍 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

    • Skills

    AWS S3Azure Blob StorageBitbucketCI/CDConfluenceElasticsearchGitGoogle APIGoogle Cloud StorageJavaJiraMicrosoft Graph APIMyBatisPostgreSQLRabbitMQREST APISalesforce APISlack APISpring BootSQL

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