[Remote] Senior Machine Learning Engineer

Note: The job is a remote job and is open to candidates in USA. Harnham is partnering with a fintech that has built a leading fraud protection platform. They are seeking a Senior Machine Learning Engineer to own the end-to-end lifecycle of machine learning projects and build scalable ML pipelines for fraud detection.ResponsibilitiesOwn the end-to-end lifecycle of machine learning projects, from experimentation through deployment and production monitoringBuild, maintain, and optimize production-grade machine learning models for fraud detectionDesign and implement scalable ML pipelines to enable rapid experimentation and model iterationDevelop advanced feature engineering and statistical methodologies to improve model performanceCollaborate with Product, Engineering, and Risk teams to translate business needs into ML solutionsContribute to model training, evaluation frameworks, and experimentation infrastructureEnsure robustness, scalability, and reliability of ML systems in high-volume production environmentsDrive best practices in testing, documentation, and model monitoring across the ML teamSkills4–6+ years of experience in machine learning within production environmentsStrong foundation in machine learning theory, statistical modeling, and evaluation techniquesExperience building and deploying supervised and unsupervised ML models at scaleProven track record of taking ML projects from research/prototype to productionProficiency in Python, SQL, and key machine learning librariesExperience working with distributed data processing tools such as SparkStrong communication skills, with the ability to explain technical insights to non-technical stakeholdersDetail-oriented mindset with a focus on delivering measurable business impactExperience in fraud detection, fintech, payments, or e-commerce domainsAdvanced degree (Master's or PhD) in a quantitative fieldPassion for writing well-tested, production-quality codeInterest in adversarial machine learning and combating fraud at scaleBenefitsPerformance-based bonusA comprehensive benefits package within a fast-growing, mission-driven organizationCompany OverviewHarnham has actively chosen to focus on Data and Analytics. It was founded in 2006, and is headquartered in New York, New York, USA, with a workforce of 201-500 employees. Its website is https://www.harnham.com/us.Company H1B SponsorshipHarnham has a track record of offering H1B sponsorships, with 1 in 2024. Please note that this does not guarantee sponsorship for this specific role.