nSure.ai is the payment fraud prevention provider of choice for Gaming, Prepaid and Gift Cards, and Crypto. We offer a managed service based on adaptive AI that deploys, for each customer, a dedicated model trained on their data. Focusing on behavior patterns - the most accurate and uniquely effective way to mitigate modern scalable fraud - our solution takes a fundamentally different approach to detecting fraud and preventing it from happening. Our customers benefit from the highest-efficacy decisions delivered in real-time, with up to 98% approval rates and a chargeback guarantee, generating zero-risk net incremental profit.
As a Backend Engineer on our core team, you’ll be at the heart of our fraud prevention technology, working closely with Data Analysts and Data Scientists to enhance our core decision-making engine. Your contributions will directly impact the accuracy and speed of our AI-driven fraud detection. You'll design and implement complex backend improvements while ensuring system reliability, uptime, and optimal response times. Additionally, you'll deploy and monitor services in a Kubernetes environment, optimizing performance at scale. If you're excited about tackling high-impact engineering challenges in a fast-paced, data-driven environment, this role is for you!
#Hybrid
Requirements
- BA in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
- 5+ years of experience as a Backend Engineer.
- 3+ years of hands-on experience with Node.js and TypeScript.
- Strong proficiency in NoSQL databases (e.g., MongoDB, Elasticsearch, Graph DBs).
- Experience building and working with event-driven systems (e.g., using Kafka, RabbitMQ, AWS SQS).
- Experience with RESTful API design and implementation.
- Solid knowledge of cloud platforms (AWS, GCP, or Azure).
- Experience with automated testing and unit testing frameworks.
- Strong problem-solving skills, with a curious mindset and a passion for tackling complex engineering challenges.
- Strong sense of ownership, taking initiative to improve systems, processes, and overall product performance.
- High-level English proficiency (written and spoken).
Nice to Have
- Proficiency in Python.
- Basic understanding of Machine Learning concepts (Classification/Regression, Train/Test split, Precision/Recall, etc.).
- Background in fintech, payments, or fraud prevention.
- Develop and optimize backend services in a microservices-based architecture.
- Design, implement, and maintain APIs to support low-latency decision making.
- Deploy, monitor, and manage services in a Kubernetes environment, ensuring reliability and performance.
- Utilize different storage solutions, including NoSQL databases including Couchbase and AWS Neptune.
- Continuously improve system scalability, security, and performance, applying best practices in backend development.
- Write clean, maintainable, and testable code, implementing unit and integration tests.
- Contribute to team discussions and architectural decisions, driving improvements in process and infrastructure.

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