Overview 

At Segment, we believe companies should be able to send their data wherever they want, whenever they want, with no fuss. Unfortunately, most product managers, analysts, and marketers spend too much time searching for the data they need, while engineers are stuck integrating the tools they want to use. Segment standardizes and streamlines data infrastructure with a single platform that collects, unifies, and sends data to hundreds of business tools with the flip of a switch. That way, our customers can focus on building amazing products and personalized messages for their customers, letting us take care of the complexities of processing their customer data reliably at scale. We’re in the running to power the entire customer data ecosystem, and we need the best people to take the market. 
 
As a Software Engineer on the Personas team, you’ll lead the design and building of pipelines that process hundreds of thousands of requests per second, build realtime identity graphs, and compute millions of aggregations an hour. You’ll also be responsible for mentoring, sharing knowledge, and guiding the technical decisions of the team to set us up for long-term success, both as a product and as a team.

Who we are:

The Personas team is building a new platform to enable the holy grail of customer data — the single view of the customer. Our team’s goal is to help Segment customers gain a higher level understanding of their end users.
 
Imagine a platform that can take the 200,000 messages entering Segment’s pipeline every second, add in a realtime identity graph, a low-latency rule-based computation engine, and a lightning-fast profile database — and you have the Personas platform.  We’ve since built several successful products on top of the Personas platform — Segment Audiences for realtime audience management, Segment Traits for computation, and the Profile API for realtime personalization.  
 
We operate as a small, fast moving startup within Segment. We iterate quickly on products and features and learn new things daily — all while writing quality code. We work closely with product and design, and there is a tight feedback loop with customers. If you get excited by building products with high customer impact — this is the place for you.

What we do:

  • We write cost-efficient load-tested data pipelines, and compute systems built on top of them.
  • We believe in using the best tool for the job. Our ingestion pipelines are written in Go. Our computation engine is written in Go and Scala on top of Google BigQuery and Apache Flink.
  • We believe in open source as a market differentiator: https://open.segment.com
  • We deploy our code multiple times per day to bring constant improvements to our customers.
  • We inform our decisions using real data, both on the engineering and the product side.

Who we are looking for:

  • You thrive in a fast paced and iterative environment. You are driven more by customer impact than technology.
  • You love designing and shipping new products as much as iterating on existing ones. 
  • You're focused, driven and can get challenging projects across the finish line.
  • You're empathetic, patient and love to help your teammates grow.
  • You have experience running apps in production and take software engineering practices seriously. You write meaningful tests and understand the value of great logging, proper monitoring and error tracking.

Projects we’re working on:

Here’s a few example projects you could get started with: 
  • Building the graph-based orchestration and execution engine to power our upcoming user-defined workflow builder
  • Designing V2 of our realtime identity graph algorithm, with new features like probabilistic matching and a more powerful and configurable set of rules
  • Dipping our toes into machine learning with a Segment-powered recommendation engine
 
Our engineering team is incredibly committed to open source and blogging about the things we’ve been building:

Requirements:

  • CS or EE degree or relevant industry or open source contributor experience. 
  • Great computing fundamentals and shown ability to write code that solves real problems using a statically typed programming language.
  • Experience with implementing large-scale event processing pipelines, preferably using streaming technologies.
  • You have some familiarity with Golang and/or Scala or are excited to learn them.
  • You are confident understanding and editing large application data models to ship new products. 
  • You thrive in a fast paced and iterative environment. You are driven more by customer impact than technology.
 
Segment is an equal opportunity employer. We believe that everyone should receive equal consideration and treatment in all terms and conditions of employment regardless of sex, gender (including pregnancy, childbirth, breastfeeding or related medical conditions), sexual orientation, gender identity, gender expression, race, color, religion, creed, national origin, ancestry, age (over 40), physical disability, mental disability, medical condition, genetic information, marital status, domestic partner status, military or veteran status, height, weight, AIDS/HIV status, and any other protected category under federal, state or local law. Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

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