Senior/Lead Back-end Engineer (Go, Java)

MÔ TẢ CÔNG VIỆC
We are looking for experienced backend engineers to join our team of talented engineers that share a common interest in distributed backend systems, their scalability and continued development. You will build the backend systems that power our application, scale highly distributed systems, and continuously improve our engineering practices. Our mission in our ad tech team is to build a modern marketing platform applying latest technologies such as big-data, cloud computing, ai.
You will be a key participant in answering some (or just few) of the following questions:
Technologies: Which database technologies will be best for user profiling (i.e. Cassandra, PostgreSQL)
Cluster modelling: How to break down the requests that come from publishers & group them into clusters (i.e. Fe- male Clusters, High CTR Clusters, etc.).
Campaign Matching: How to match users from specific clusters with the best campaigns.
Optimization algorithms: Which ones to use considering the needs the system will have in terms of accuracy & speed (i.e. Heuristic, Linear, Non-Linear Programs).
Forecasting system: Best techniques to avoid campaign mis-deliveries.
Programming language: Which ones are better when looking at highly concurrent systems (i.e. Scala, Clojure, Go). How do they implement HashMap in [protected info] ?.
User profiling: Optimal cookie synching methods.
Systems Architecture: How to best turn a complex monolithic application into microservices to solve scalability and growth challenges.
Tech tools : Why is Kafka so fast ? How does Apache Spark optimize Logical plan and Physical plan? How does PostgreSQL stores data in physical disk ?.
If you can't answer any question from the list, join us to know how to solve it.