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Staff Software Engineer, Core Libraries - Slack

Salesforce

Salesforce

Software Engineering
Multiple locations
Posted on Monday, November 20, 2023

To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts.

Job Category

Software Engineering

Job Details

About Salesforce

We’re Salesforce, the Customer Company, inspiring the future of business with AI+ Data +CRM. Leading with our core values, we help companies across every industry blaze new trails and connect with customers in a whole new way. And, we empower you to be a Trailblazer, too — driving your performance and career growth, charting new paths, and improving the state of the world. If you believe in business as the greatest platform for change and in companies doing well and doing good – you’ve come to the right place.

Background

Slack enables people all over the world to communicate and collaborate together. Teams of all scales — from the world’s largest public companies to the smallest of startups — use Slack to get work done, so we take performance and reliability very seriously. A taste of our scale:

  • The average user spends over 10 hours connected and 2.5 hours active in Slack every single day
  • 1.5 billion+ messages are sent per month, half of those outside the United States
  • Every day we see over 10M+ daily active users, over a billion web requests, and 10s of billions of database queries.
  • We handle about 600k requests per second, summing up the entire day gets us at about 6 billion API requests served per day.
  • For millions of people, Slack is the primary communication tool they use at work all day long. They expect it to be extraordinarily reliable and fast, all the time.

About the Team

Webapp Infra (WIN) pillar provides the tools to make it possible for hundreds of developers to develop in a multi million line codebase with safety and productivity at the forefront. WIN handles maintenance and upgrades of the Hack programming language, static analysis tooling, widely used libraries in the codebase, asynchronous job queue, as well as tuning and debugging the HHVM runtime and other services it depends on. With four sub-teams : Core Libraries, Runtime, Reliability aka WIRE and Asynchronous Services (AServ), the Webapp infra team supports the middle layers of the stack above the AWS instances and below the product code.

This role is open for the Core Libraries sub-team.

WebApp Core Libraries maintains and develop our WebApp API, language tooling and enable co-development of infrastructure and product features. Our customers are both Core Infrastructure service owners, and backend developers. Core Librarians have deep knowledge of Webapp internals, infrastructure sensibilities and a product perspective. We build relationships and resilient feedback loops at the intersection of the WebApp API.

We rapidly iterate and work closely with other teams in engineering to ensure we build resilient systems that can scale. We have a strong commitment to quality and understand that simplicity and reliability should be primary aspects of the systems that we build. We are ambitious, empathetic, independent, and pragmatic.

What you will be doing:

  • Collaborate with peers across Engineering to triage bugs and fix complex production issues across the stack, especially with respect to performance, memory, and stability
  • Write, review, or provide feedback on a technical design proposal
  • Maintain client libraries that allow backend engineers to access all the capabilities of our Webapp platform
  • Work with the Webapp Hack Language static analysis tooling (Hakana), health score tooling, legacy code migration, and metadata insights (Census) and error tooling infra (Sieve).
  • Get feedback on and own the direction and growth of the Webapp standard libraries, and Core Service client; comprising encryption, storage, caching and other features.
  • Webapp customer engagement, including NPS survey and interviews, best-practices, and dev advocacy to understand at the core the challenges facing product developers at Slack. Our work enables the future of Slack’s product at the nexus of Core Infra and Product eng.

What you should have:

  • Bachelor's degree in Computer Science, Engineering or related field, or equivalent training, fellowship, or work experience.
  • Possess strong Computer Science fundamentals: data structures, algorithms, programming languages, operating system, distributed systems.
  • Strong systems thinking abilities. You can reason about queues, retries, concurrency and contention and use them to build useful models of real software.
  • Experience with Linux, including common debugging and profiling tools.
  • Experience building large scale systems expertly for 7-10 years and can point to things you’ve worked on.
  • Experience improving performance and reliability of a complex system. You enjoy finding opportunities for performance and memory improvements through extensive profiling.
  • Experience with Software-as-a-Service (SaaS). You have deployed plenty of code to live production environments, and understand what it takes to do so safely but efficiently.
  • Can jump into situations with few guardrails and make things better.
  • Write code that can be easily understood by others with an eye towards clarity and maintainability.
  • Are a very strong communicator. You’re excited to explain complex technical concepts and share your knowledge with different audiences. You thrive on feedback and seeing your work impact other teams.
  • Are comfortable leading multi-functional projects and setting a vision for systems architecture.
  • Are curious how things work and when things break you are eager and able to help fix them.
  • Are comfortable mentoring and coaching engineers and sharing feedback.

Bonus Points:

  • Have experience leading codebases or open-source software teams.
  • A track record of dev advocacy and user-focused progress and success.
  • Have experience building, profiling, and debugging systems software, like language runtimes, databases, web servers, virtual machines and operating systems.
  • Built a team from the ground up and enjoy establishing team norms and durable feedback loops.

Infrastructure is a diverse and inclusive team that treats their colleagues extraordinarily well. We are happy to help you learn what you need to know; we encourage and support each other’s growth and thus it’s not expected that you would have expertise across all of these areas.

Come join us!

Accommodations

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Posting Statement

At Salesforce we believe that the business of business is to improve the state of our world. Each of us has a responsibility to drive Equality in our communities and workplaces. We are committed to creating a workforce that reflects society through inclusive programs and initiatives such as equal pay, employee resource groups, inclusive benefits, and more. Learn more about Equality at www.equality.com and explore our company benefits at www.salesforcebenefits.com.

Salesforce is an Equal Employment Opportunity and Affirmative Action Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, protected veteran status, or disability status. Salesforce does not accept unsolicited headhunter and agency resumes. Salesforce will not pay any third-party agency or company that does not have a signed agreement with Salesforce.

Salesforce welcomes all.

For Colorado-based roles, the base salary hiring range for this position is $175,600 to $254,700.

Compensation offered will be determined by factors such as location, level, job-related knowledge, skills, and experience. Certain roles may be eligible for incentive compensation, equity, benefits. More details about our company benefits can be found at the following link: https://www.salesforcebenefits.com.