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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Back-end Developer (JAVA) - **Company:** CUBE AI CORP. - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Amazon Web Services, Automation of Tests, Big Data, BigQuery, Cloud Database, Continuous Integration, Fraud Prevention and Detection, Github, Apache Hadoop, MongoDB, NoSQL, SQL Databases, Google Cloud, Apache Spark, Backend, Containerization, Kubernetes, Information Technology, Apache Flink, Front End Software Development, Restful APIs, Docker, Service Stack, Microservices - **Published:** August 15, 2026 - **Apply:** https://arc.dev/remote-jobs/j/redirect/pbyttga2zf ## About the Role The bar (non-negotiable, every role): * Extreme drive and passion for the work and the mission. * Extreme ability to learn fast and operate with confidence in uncertainty. * Extreme IQ and EQ. You raise the level of every room, and you lose an argument gracefully the moment someone's right. For this role specifically: * 4+ years building production systems with Java and Spring. * 1+ years designing and running microservices. * 1+ years on a major cloud stack (GCP or AWS). * A degree in computer science, or equivalent hands-on mastery. * Full application-lifecycle experience, with a track record of owning features from requirements to delivery. * Excellent problem-solving and a genuine bar for detail. * Fluent written and spoken English. Bonus points * CI/CD pipelines and containerization (Docker, Kubernetes). * Building with NoSQL (MongoDB), SQL, and REST APIs. * Big-data tooling: Apache Spark, Hadoop, Flink, or BigQuery. * Testing frameworks and test automation. * Sharp communication in a fast-moving, collaborative team. ## Description We build the technology that detects and dismantles fraud and financial-crime campaigns in real time. As a Senior Backend Developer, you own the backend that powers it, and you help shape both the product and the architecture as we scale. This is a high-impact seat: you will work shoulder to shoulder with our data scientists, researchers, and engineers to turn frontier research into production systems that hold up under real-world load. What you'll do * Design, build, and scale the backend services behind CUBE AI's real-time fraud detection platform. * Architect microservices with a hard bar for reliability, performance, and security. * Turn our data scientists' and researchers' threat and fraud research into production-ready systems, in close partnership with them and the frontend team. * Own features end to end: scoping, technical design, implementation, testing, deployment, and monitoring. * Drive system-design discussions and the high-level architectural calls as the platform grows. Our stack * Java 21+ and Spring 3+ * MongoDB, Cloud SQL, BigQuery * Google Cloud Platform * REST APIs * GitHub, with GitHub Actions for CI/CD * AI-assisted, agentic development workflows (we build with AI, not around it) ## Related Videos - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Hiring AI Native Talents](https://www.wearedevelopers.com/videos/100268-hiring-ai-native-talents) - [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [7 Cloud Computing Trends Coming in 2025 for Developers](https://www.wearedevelopers.com/magazine/412-7-cloud-computing-trends-coming-in-2025-for-developers) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story)