About

Leigh McCulloch is a highly experienced software engineer with over 17 years of relevant experience. As a Principal Software Engineer at Stellar Development Foundation, Leigh leads the design and development of software products, services, and web applications. Leigh has an impressive track record of shipping and maintaining dozens of products that support online payments, including card, PayPal, banking, and localized payments, as well as card-present payments, such as EMV, contactless, and EFTPOS. He has worked with businesses of all sizes, including startups, merchants, payment facilitators, payment service providers, and banks, and has deployed his products in the US, Europe, and Australia. Leigh is especially productive in highly regulated industries, where his products meet compliance requirements. Leigh is successful with whatever technology gets the job done, and he has used a wide range of technology, including Ruby, Go, Java, C#, JavaScript, Objective-C, C, Postgres, Kafka, Cassandra, MySQL, Git, Nginx, AWS, and GCP. Prior to joining Stellar Development Foundation, Leigh held positions at PayPal and Gumroad. At PayPal, Leigh was a Software Engineer and Technical Lead for Braintree, where he used Java 8, Cassandra, Kafka, Ruby, Rails, and Postgres. At Gumroad, Leigh was a Software Engineer for Payments, where he used Ruby, Rails, JS, FlightJS, MySQL, MongoDB, Redis, Memcache, Nginx, Stripe, Braintree, Paypal, AWS, PCI-DSS 2.0-3.1, Vagrant, and Terraform. As the Lead Payments Engineer at Gumroad, Leigh was responsible for implementing payments, payouts, balances, and related concerns, including PCI compliance and security, while also contributing heavily to product and infrastructure. Leigh earned a Bachelor of Computer Science degree in Games Technology from Charles Sturt University in 2005. His tech stack includes software engineering, AWS, Ruby, Cassandra, Kafka, Postgres, MySQL, Objective-C, JavaScript, GCP, web, Java, senior software engineering, MemCache, Terraform, Redis, MongoDB, and infra.