About Us

CUBE3.AI is an innovative fraud prevention platform dedicated to real-time fraud and crypto crime prevention. Our proprietary AI models protect digital assets and transactions from fraud, cyber exploits, and compliance risks. We foster a transparent, efficient, and inclusive digital economy, ensuring safe transactions for both businesses and end consumers.

About the Role

We’re on a mission to make the financial industry safer and more transparent. As a Senior Backend Developer, you’ll build cutting-edge tech that detects and mitigate threats and fraud campaigns. This is a high-impact role with room to shape both product and architecture. You will work closely with the data scientists, researchers, and developers to implement state-of-the-art solutions using cutting-edge technologies.

Our Stack

• Java 21+/Spring 3+ frameworks
• Mongo/Cloud SQL/Big Query
• Google Cloud Platform
• Agentic AI coding
• Github
• REST APIs
• GitHub Actions for CI/CD

What You’ll Do

• Design, build, and scale backend services that power CUBE3’s real-time fraud detection platform.
• Architect and implement microservices with strong attention to reliability, performance, and security.
• Collaborate closely with data scientists, researchers, and frontend teams to turn threat-intelligence research into production-ready systems.
• Own features end-to-end—from scoping and technical design to implementation, testing, deployment, and monitoring.
• Participate in system design discussions and contribute to high-level architectural decisions as we scale the platform.

What We’re Looking For

• 4+ years working with Java/Spring frameworks
• 1+ building micro-services
• 1+ GCP/AWS stack
• A degree in computer science or equivalent
• Have worked through the full application lifecycle experience 
• Excellent problem-solving skills and attention to detail
• Have owned features from gathering requirements to delivery   
• Fluency in written and spoken English

Bonus Points

• Experience with CI/CD pipelines, containerization (Docker/Kubernetes)
• Experience in using and building NoSQL (MongoDB), SQL, REST API
• Effective communication skills and working collaboratively in a fast-paced environment.
• Big data tools like Apache Spark/Hadoop/Flink/BigQuery
• Understanding of testing frameworks and automation testing tools.

What We Offer

• Work on cutting-edge fraud detection tech
• Direct collaboration with senior product and tech leaders
• Flexible, remote-friendly work environment
• Meaningful work and a say in product direction
• Continuous learning and career growth opportunities