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Senior Backend Engineer: Business Logic, Services, Tools

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Engineering Team | Senior Backend Engineer: Business Logic, Services, Tools

Location: San Francisco, California

Please submit a resume, cover letter, and LinkedIn profile


We are looking for a Business Logic, Services, Tools Senior Backend Engineer to join our small (10 engineers) but talented Engineering team. Our engineers design, build and maintain systems that allow us to deliver high quality traffic at scale for our advertisers.

This position is in our San Francisco office (650 California St.), a few minutes from the Montgomery St BART Station. 


What you’ll do:

  • Design, build, manage and maintain our backend systems (services, APIs, tools and more)

  • Build and manage systems and software that handle tens of billions of requests and events a day

  • Evaluate and make recommendations on technologies and tools that will improve the performance and reliability of our platform

  • Participate in our on-call rotation

  • Be ready to roll up your sleeves and pitch in to help on any other tasks

What we are looking for:

  • 5+ years of relevant experience

  • Minimum of a BS and/or MS in Computer Science

  • Proven track record working with complex logic in large legacy codebases

  • Extensive knowledge and experience building reliable services

  • Deep knowledge and hands-on experience in scalability, reliability, performance and operational stability of distributed systems and service infrastructure

  • Strong admin *NIX skills

  • Solid scripting skills (shell, PHP and/or Python)

  • Familiarity with some of the technologies in our stack (AWS, MySQL, Kafka, Aerospike, Druid, Redis)

  • Hands-on experience with continuous integration and deployment systems with tools such as Jenkins and Ansible

  • Keen ability to understand business requirements and design and build the infrastructure needed to support the current and future needs of our business

  • Experience with monitoring tools

  • Excellent verbal, written communication skills and collaboration skills with peers across the company

  • Ability to interview and evaluate applicants on a technical and cultural fit level

Bonus Points:

  • Experience with Symfony

  • Knowledge of Java and the JVM

  • Ability to build simple-to-medium complexity front-end features

  • Solid understanding of common design patterns

  • Familiarity with log-based and data processing architectures

  • Experience working in a fast-paced environment

  • Experience with AdTech

About CrossInstall:

CrossInstall is a mobile-only demand-side platform specializing in playable ads at scale. We are bootstrapped, profitable and growing rapidly.