Senior Growth Engineer - Fullstack

We are looking to add metrics driven Growth Engineers who are passionate about building amazing customer experiences. The Growth team at Fair is a cross-functional team (engineering, data science, design, and marketing) whose goal is to grow Fair’s driver base by testing and iterating on experimental user experiences. Our work is driven by data-informed creativity that manifests in rapid prototyping and experimentation. We’re looking for visionary, foundational engineers to help build this team.

What You’ll Do:

  • Build infrastructure that extends our experimentation platform and enables us to understand our customer journey end-to-end
  • Develop quantifiably impactful, experimental consumer experiences throughout the fair customer journey
  • Collaborate with other engineering teams to ship features and implement A/B test experiments within a microservices architecture
  • Design, build and maintain APIs, services and systems that drive growth using Python and Ruby
  • Implement robust distributed systems
  • Participate in experiment ideation and development
  • Test, deploy, and monitor changes on test and production environments
  • Lead engineering discussions and mentor others on engineering best practices

What You’ll Have:

  • 5+ years of professional experience using dynamic, high-level languages (preferably more than one, e.g. Python and Ruby)
  • Experience developing modern interactive web experiences using React, HTML5, CSS3
  • Familiarity with SQL databases and query languages
  • Experience with ORMs preferred (e.g. SQLAlchemy and ActiveRecord)
  • Experience with building and operating software in the cloud (AWS preferred, or a similar cloud platform)
  • Experience with automated testing (unit, functional, and integration tests)
  • Ability to contribute to and excel in a team environment
  • Ability to prioritize tasks, work independently and be self-directed in times of ambiguity
  • Great communication skills

Bonus Points:

  • Experience with A/B testing platforms such as Optimizely, Apptimize, VWO, etc.
  • Experience working with pub/sub architectures
  • Experience with customer data platforms (CDPs) such as mParticle, segment, heap, etc.
  • Experience working within a growth team or experimentation team
  • Experience with UX test automation frameworks such as Selenium
  • Experience with Linux containers and similar technologies (Docker, Kubernetes, etc.).
  • Expert level Ruby or Python
  • Experience maintaining a robust service-oriented architecture with cross-service integrations
  • Experience with gRPC or other RPC frameworks
  • Writes clear and concise tests just as quickly as production code
  • Experience with Background Jobs / Message Queues (celery, sidekiq, rabbitMQ, sneakers)
  • Familiarity with build tools and automation in software engineering - such as in Continuous Integration/Delivery (CI/CD) environments

What You'll Get:

  • 100% coverage of medical, dental & vision benefits for employees AND their families
  • Equity incentives (it’s only Fair that we are all owners of the company)
  • Unlimited vacation package
  • Daily catered lunch and fully stocked kitchen
  • Cellphone reimbursement
  • 401(k)
  • Green commuter benefits (1 block from Light rail)
  • Paid parking
  • Employee referrals rewards
  • Diverse & inclusive culture
  • Leadership & mentorship programs
  • Discount on Fair cars



Equal Employment Opportunity (EEO) It's Fair's policy to provide equal opportunity in employment to all employees and applicants for employment. No person will be discriminated against in employment because of race, color, religion, gender, gender expression, gender identity, sex, medical condition (as defined by California law and which includes pregnancy or childbirth), national origin, age, physical or mental disability, political activity or affiliation, ancestry, marital status, protected veteran status, citizenship status, sexual orientation, genetic information, taking or requesting statutorily protected leave, or any other legally protected status where there is no bona fide occupational qualification or legitimate business reason for the differing treatment. In addition, Fair prohibits the harassment of any individual on any of the bases listed above or any other characteristics protected under federal, state or local laws.

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