Stephen Nancekivell is a Senior Software Engineer with 14 years of experience building scalable full‑stack systems across finance, CRM, e‑commerce and commercial analytics. He combines deep functional programming expertise in Scala, Java and TypeScript with hands‑on product instincts—having served as Scrum Master and first engineering hire at Upollo to turn payment-data insights into revenue-driving SaaS. His background spans high-throughput platforms (Kafka, sharded MongoDB, Elasticsearch) and contributions to notable open-source projects like Alpakka, where he implemented Cassandra sink functionality and robust test coverage. Based in Sydney, he balances pragmatic engineering with usability and prioritization, frequently shipping side projects such as IsItARealEmail.com, Dockerdash and WebhookWizard. Colleagues describe him as a collaborator who negotiates trade-offs at the right level to deliver elegant, correct software.
14 years of coding experience
11 years of employment as a software developer
Bachelor of Science Majoring in Computer Science with a Postgraduate Certificate in Computer Science, Computer and Mathematical Science, Bachelor of Science Majoring in Computer Science with a Postgraduate Certificate in Computer Science, Computer and Mathematical Science at University of Waikato
Alpakka is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Akka.
Role in this project:
Back-end Developer
Contributions:9 commits, 9 PRs, 77 comments in 2 years 2 months
Contributions summary:Stephen contributed to the Cassandra sink implementation within the Alpakka project, focusing on Java and Scala DSLs. They added functionality for sinking data into Cassandra, including inserting and updating records. The contributions included writing unit tests, integrating with the Cassandra driver, and creating utilities like statement binders. These changes enhanced the integration capabilities of Alpakka with Cassandra.
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Stephen Nancekivell - Senior Software Engineer at Google