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How much do contra costa library jobs pay per hour?

As of Jul 5, 2026, the average hourly pay for contra costa library in the United States is $20.51, according to ZipRecruiter salary data. Most workers in this role earn between $15.87 and $24.04 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a librarian at Contra Costa Library, and why are they important?

To thrive as a librarian at Contra Costa Library, you need a Master’s in Library Science (MLS) or equivalent, strong research abilities, and knowledge of cataloging and information organization. Familiarity with library management systems, digital databases, and online catalog tools is typically required. Excellent customer service, communication, and community engagement skills help librarians connect with diverse patrons and foster a welcoming environment. These competencies are vital for delivering effective library services, supporting literacy, and adapting to the evolving needs of the community.

What is the Contra Costa Library and what services does it offer?

The Contra Costa Library is a public library system serving the residents of Contra Costa County in California. It offers a wide range of services, including access to books, e-books, audiobooks, digital resources, research databases, computer and internet access, and various educational programs for all ages. The library also hosts community events, literacy programs, and provides spaces for studying and meetings. Membership is free to county residents, and materials can be borrowed from any branch within the system. Additionally, the library provides outreach services and resources for job seekers, students, and lifelong learners.

What is the difference between Contra Costa Library vs Contra Costa County Librarian?

AspectContra Costa LibraryContra Costa County Librarian
Required CredentialsLibrary science degree, librarian certificationLibrary science degree, librarian certification, administrative experience
Work EnvironmentPublic library branches, community centersCounty offices, administrative settings
Employer & IndustryPublic library system, community serviceCounty government, library administration

The Contra Costa Library refers to the public library system providing services across the county, including branches and community programs. The Contra Costa County Librarian oversees the entire library system's operations, focusing on administration and strategic planning. While librarians work directly with the public, the county librarian manages policies, budgets, and staff at a higher administrative level.

What are some common challenges faced by staff working at the Contra Costa Library, and how are they addressed?

Staff at the Contra Costa Library often navigate challenges such as balancing multiple patron requests, adapting to new technologies, and meeting the diverse informational needs of the community. To address these, team members receive ongoing training in customer service and digital resources, and they work collaboratively to support each other during busy periods. Additionally, the library fosters a supportive work environment with regular staff meetings and open communication, allowing employees to share solutions and best practices.
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Contra Costa Library jobs near you
Infographic showing various Contra Costa Library job openings in the United States as of June 2026, with employment types broken down into 1% As Needed, 81% Full Time, 16% Part Time, 1% Temporary, and 1% Contract. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $42,667 per year, or $20.5 per hour.
Principal Software Engineer - Infrastructure

Principal Software Engineer - Infrastructure

Discord

San Francisco, CA

$400K - $500K/yr

Other

Posted yesterday

Job description

Discord's Infrastructure organization is the backbone of everything our users experience. From the real-time delivery of 40M+ events per second to storing trillions of messages, our systems power the connections between 200M+ active users. As a Principal Engineer in this organization, you'll operate across our infrastructure teams to shape our technical vision and keep Discord running reliably at massive scale.

This is a role for someone who thrives at the intersection of deep technical expertise and organizational leadership. You'll contribute to the long-term infrastructure roadmap, tackle our most complex and ambiguous technical challenges, and ensure Discord's systems remain reliable, efficient, and ready for the next 200M users.

You will:

  • Lead Discord's most critical infrastructure initiatives.
  • Define and drive the technical vision and multi-year roadmap for Infrastructure, aligning teams around shared architectural principles.
  • Partner with leadership across the company to ensure infrastructure capabilities enable product innovation.
  • Design systems that balance reliability, cost-efficiency, and scalability.
  • Mentor and grow senior engineers across multiple teams, raising the technical bar organization-wide.
  • Represent Discord's engineering culture externally through blog posts, conference talks, and open source contributions.

You have:

  • 10+ years of experience building and operating large-scale distributed systems.
  • Experience architecting complex infrastructure serving hundreds of millions of users with strict uptime requirements.
  • Deep expertise in backend systems, databases, and the operational realities of running systems at scale.
  • Ability to navigate significant ambiguity and make sound technical decisions that hold up over time.
  • Experience influencing technical direction across many teams without direct authority.
  • Strong communication skills and you can articulate complex technical concepts to any audience and build alignment around your vision.
  • A passion for mentorship and raising the capabilities of engineers around you.

Bonus points:

  • Experience with Rust, Elixir, or Python in production systems.
  • Expertise with distributed databases like ScyllaDB, Cassandra, or similar.
  • Expertise building large scale chat products.
  • History of open source contributions.

Things that might interest you:

  • Our languages: Rust, Elixir, and Python.
  • Our databases: ScyllaDB, Postgres and Elasticsearch.
  • Our systems are deployed in Google Cloud.
  • Our infrastructure teams shared many blog posts over the years. Some highlights:
    • How Discord Stores Trillions of Messages
    • Maxjourney: Pushing Discord's Limits with a Million+ Online Users in a Single Server
    • Modern Image Formats at Discord: Supporting WebP and AVIF
    • How Discord Supercharges Network Disks for Extreme Low Latency
    • Using Rust to Scale Elixir for 11 Million Concurrent Users
    • Why Discord is switching from Go to Rust
  • One of our engineers literally wrote the book on ScyllaDB.
  • We open sourced some of our work, like our media processing library lilliput, or various Elixir utilities like manifold, sorted_set_nif and more.

Candidates must reside in or be willing to relocate to the San Francisco Bay Area (Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano, and Sonoma counties). For this role, the hiring manager would like folks to be in the office 1 day a week. Relocation assistance may be available.

The US base salary range for this full-time position is $400,000 to $500,000 + equity + benefits. Our salary ranges are determined by role and level. Within the range, individual pay is determined by additional factors, including job-related skills, experience, and relevant education or training. Please note that the compensation details listed in US role postings reflect the base salary only, and do not include equity, or benefits.
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