Note: The job is a remote job and is open to candidates in USA. Sardine is a leader in fraud prevention and AML compliance, utilizing cutting-edge technology to combat identity fraud and payment scams. The Machine Learning Engineer will design and implement systems for fraud detection, focusing on building data pipelines and deploying machine learning models to ensure efficiency and reliability.
Responsibilities
- Build and optimize data pipelines and backend services to process device and behavioral data in real time
- Develop and deploy ML models for fraud detection, ensuring they run reliably and efficiently in production
- Turn raw data into production-ready features that feed our fraud detection systems
- Collaborate with platform and backend engineers to integrate models seamlessly
- Maintain high standards of security, privacy, and compliance
- Champion best practices in testing, documentation, and observability
Skills
- 5+ years in software engineering, with strong backend experience (Go or Python)
- Hands-on experience with applied ML using large datasets (PyTorch, Scikit-learn, etc.)
- Strong SQL skills and familiarity with relational and non-relational databases
- Experience with end-to-end ML systems: feature pipelines, model deployment, monitoring, and iteration
- Excellent communication skills in English, both written and verbal
- Bachelor's or Master's in Computer Science, Engineering, or a related discipline
- Domain knowledge in fraud, risk, or cybersecurity
- Familiarity with CI/CD, Docker, Kubernetes and the modern devops framework
- Understanding of modern browser APIs and high-entropy data collection techniques
- Familiarity with leveraging frontier LLMs for automation
Benefits
- Generous compensation in cash and equity
- Early exercise for all options, including pre-vested
- Work from anywhere: Remote-first Culture
- Flexible paid time off, Year-end break, Self care days off
- Health insurance, dental, and vision coverage for employees and dependents - US and Canada specific
- 4% matching in 401k / RRSP - US and Canada specific
- MacBook Pro delivered to your door
- One-time stipend to set up a home office — desk, chair, screen, etc.
- Monthly meal stipend
- Monthly social meet-up stipend
- Annual health and wellness stipend
- Annual Learning stipend
- Unlimited access to an expert financial advisory
Company Overview
Sardine is a fraud prevention and compliance software company for the digital economy. It was founded in 2020, and is headquartered in Miami, Florida, USA, with a workforce of 201-500 employees. Its website is https://www.sardine.ai.Company H1B Sponsorship
Sardine has a track record of offering H1B sponsorships, with 1 in 2026, 6 in 2025, 1 in 2024, 3 in 2023, 7 in 2022, 1 in 2021, 2 in 2020. Please note that this does not guarantee sponsorship for this specific role.