Senior Data Infra & AI Engineer

We're looking for a Senior Data Infra & AI Engineer to join our Data Apps & Infra team! Our mission is to make Melio's products more data- and AI-driven — by building infrastructure that lets developers efficiently create robust data applications, and by leveraging diverse data sources to power dynamic, high-value data products. This role owns Melio's entire AI framework, end to end. Qualifications: 8+ years of professional experience in software architecture, design, and engineering. Experience working with data at scale, data services architecture, ETL processes, and understanding data scaling challenges. Independent, fast learner, with excellent communication and collaboration skills for work across cross-functional teams. Bonus points: Experience working with Large Language Models (LLMs) or MLOps infrastructure. Experience working with serverless products (such as AWS Lambda) Experience working with TypeScript or Python in backend environments. Experience working with data application and streaming technologies such as Spark, Databricks, Snowflake, Kafka, or Kinesis. A day in the life and how you’ll make an impact: Design, implement, and maintain scalable, reliable, and secure data storage, processing, and application systems. Build and own company-wide LLM and machine learning infrastructures to enhance quality and velocity of AI features. Utilize Melio’s data to improve the product—from analysis and entity mapping to applying insights for new solutions. Collaborate closely with software engineers, data scientists, product managers and analysts to understand requirements and lead projects end-to-end from design through to production. Act as an all-around team player, influencing the overall user experience and technical development of a unique B2B payments platform. About the hiring department: The Engineering department is the backbone of Melio. We provide consultation, support and designs for technical solutions—supporting our customers and the entire organiz