Sr Software Engineer - Back End - Payment

About Poynt Founded in 2013 by Osama Bedier, former head of Google Wallet, and Poynt CEO, Poynt gives merchants superpowers. We've raised over $100m dollars in venture funding from prominent firms like Google Ventures. Our partnerships include some of the world's largest merchants, developers, financial institutions, and resellers. We are building the payment terminal and commerce platform of the future. Poynt is disrupting broken commerce infrastructure with secure and intuitive payment technology.  Some of the largest merchants, developers, banks, and resellers in the world are key partners on this platform. We provide an incredible level of insight and control to each of these parties over their highly unique use cases and concerns. By using an open platform we are seeding a flourishing app marketplace, running on top of a smart integrated Android device.

Our real-time data pipeline ingests, normalizes, and aggregates billions of events from our apps and Smart Terminal, and deliver instant insights and trigger alerts on web/mobile apps for each of our customer types. We constantly tread the line between performance and scalability, using many different backend tools and optimizations to produce the most useful yet fastest interfaces and alerts.

Our culture has allowed us to recruit the best talent from prominent tech companies like Google, PayPal, Visa, Square and more.

About the Role  We’re famous for our payment terminal but much of the brains in the Poynt ecosystem resides on the cloud. At Poynt, you can contribute to many important cloud applications including:

Our global payment gateway that can process numerous payment methods all over the world, with an architecture that helps us launch extremely fast in new countries A comprehensive set of APIs for business, transaction, product catalog, and customer information that powers all of Poynt’s first-party applications as well as all app in our developer ecosystem Our powerful data platform that takes in logs and key information from our worldwide fleet of devices, combining it with business and other actionable information on the server side to deliver real-time insights to our customers and in-depth BI analytics to drive our roadmap Required experience/skills:

5+ years of Java, server side programming, and developing secure, highly performant cloud applications You’ve designed and implemented external facing, highly organized APIs for a third-party ecosystem Expertise in large scale cloud/API services, distributed systems, databases (SQL and NoSQL), Java web app threading model, REST, HTTP, OAuth2, and multi-layered security. Experience developing web application servers (Tomcat, Glassfish, or JBoss), Spring, JPA, and Hibernate. Experience in OO, DI, IoC design patterns, messaging systems, asynchronous processing. Nice-to-haves:

Experience working with data pipelines, data warehousing, and analytics tools (Spark, Hadoop, Elasticsearch, Redshift) Payments industry experience, familiarity with card processing, settlement, PCI security You’ve used Kafka, Elasticsearch and Redis in production 2+ years of experience with Amazon Web Services. 2+ years of experience building key management systems and deep understanding of DUPKT and other key management schemes.