Back-End Engineer [Freelance]

You will join our Addressability team distributed in multiple locations. You will be onboarded in a multi expertise feature team of back-end developers and Data Engineers, with the mission to build and query a multi billion entry Id Graph, plug third party data providers and provide customers and business teams with advanced targeting and reporting features. Ingestion of massive amounts of data high performance key value stores. Query user data millions of times per second with a response time of a few ms. Improvement of our graph by making it sharper, faster. Design trade offs (feature vs performance). Business support on external partners' and customers.

Responsibilities

Join the Addressability team; Build and query a multi billion entry Id Graph; Plug third party data providers; Provide customers and business teams with advanced targeting and reporting features; Ingestion of massive amounts of data into high performance key value stores; Query user data millions of times per second with a response time of a few ms; Improvement of the graph by making it sharper, faster; Design trade offs (feature vs performance); Business support on external partners' and customers

Requirements

3-4 years of seniority in high perf, low latency C# coding; Expertise of Aerospike or equivalent high performance KV store; Able to lead design discussions and mentor others; Customer oriented approach: you deliver clean and usable solutions for customers (and you know that customers hate bugs); Proficient in verbal and written English; Passion for writing high quality and maintainable code following Software Craftsmanship or Continuous Delivery; Entrepreneurial spirit and know-how to identify opportunities of improvement

Nice to have

Event streaming (Kafka); Go; PHP; Docker; Kubernetes; Cloud platforms (ideally GCP); Personal projects with code sharing