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 organization. We get involved from the early stage of a project, making the connection between customer needs, our product design, and then translating these into solutions. What’s our stack? In Melio, we are all in with AWS Serverless and modern data technologies like Snowflake and Databricks. Our infrastructure is deployed using SAM CLI built over CloudFormation, giving us the freedom to build, scale and deploy applications faster than ever. We combine the usage of relational and document databases, writing mainly in TypeScript and Python for consistency and resource sharing. About Melio: Melio builds business-to-business (B2B) payment tools so small business owners can spend less time in the back office and more time on their craft. As the fastest-growing B2B payment platform in the US, Melio is working hard to find new and better ways to help small businesses succeed in the ways that work best for them. With offices in New York, Denver, and Tel Aviv, and a vibrant work culture, Melio is expanding every single day. We are a diverse group of people who love what we do and do what we love. If you are a driven and passionate team player, you will fit right in. We are an equal-opportunity employer and are always on the lookout for top-notch talent—please reach out if you would like to join us on this exciting journey!