Java Developer

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.