Backend Developer (Java, Spring Boot) - Cybersecurity SaaS

spin.ai โ€ข Portugal
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AI Summary

Spin.AI seeks a Backend Developer with strong Java and Spring Boot experience to build and maintain backend services for a complex cybersecurity SaaS product. Responsibilities include integrations, data processing, and API development, requiring 4+ years of commercial experience. This hybrid role is based in Lisbon, with remote trial for non-residents.

Key Highlights
Develop and maintain backend services for a cybersecurity SaaS product.
Requires strong Java, Spring Boot, and PostgreSQL experience.
Hybrid role in Lisbon with potential for remote trial and relocation.
Key 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
Technical Skills Required
Java 19 Spring Boot MyBatis PostgreSQL RabbitMQ REST APIs Git Bitbucket Jira Confluence CI/CD pipelines
Benefits & Perks
Annual performance-based salary review
Annual performance-based bonus
Referral bonuses
Educational budget
Sport & hobby compensation
Medical insurance compensation
Company presents
Corporate travel parties twice a year
Nice to Have
Elasticsearch
AWS S3
Google Cloud Storage
Azure Blob Storage
Salesforce API
Microsoft Graph API
Google API
Slack API
cybersecurity
SaaS
enterprise products
Claude AI
AI tools for development productivity

Job Description


Spin.AI is a global SaaS cybersecurity company that protects mission-critical data across Google Workspace, Microsoft 365, Salesforce, Slack & more. Our product โ€” SpinOne โ€” 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.

๐Ÿ›  Tech Stack

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


๐Ÿงฐ 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


๐Ÿ“Œ 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


๐ŸŒ 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


๐ŸŽ 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


We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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