- Communication skills
- Distributed systems
- Data structures
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.
Products and Technology
We are looking for a backend engineer with an interest in optimizing performance and building high-impact tools.
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. We operate at tremendous scale with systems that process millions of events per second, where a small regression or optimization can have a huge impact.
As a member of the Performance Infrastructure team you’ll be part of a small but mighty group of cross-disciplinary engineers who are dedicated to identifying critical performance problems and building an inclusive performance-minded culture. You will design, build and improve infrastructure that enables all of Slack engineering to spot bottlenecks quickly, such as safe and reliable load testing and pre-merge performance regression monitoring . You will iterate rapidly and work closely with other teams to ensure Slack is snappy for customers of all sizes.
If you want to work on a collaborative team solving big scale and performance problems, then look no further!
What you will be doing
Designing, building, shipping and improving infrastructure used by all of Slack’s engineering teams.
Working on backend services written in Go, Hack, Swift and other languages
Collaborating with peers across Slack to triage and investigate complex production issues, especially with respect to performance.
Whiteboarding fixes for scaling problems — and then making them happen!
Writing, reviewing, or providing feedback on technical design proposals.
Partnering with engineers working on projects such as event streaming , edge caching , application tracing , and datastore scaling .
What you should have
You’ve been building large scale systems professionally for 2+ years and can point to things you’ve worked on.
You possess strong Computer Science fundamentals: data structures, algorithms, programming languages, operating systems, distributed systems, and information retrieval.
You’re proficient with multiple programming languages, and interested in mastering others. Performance Infrastructure primarily uses Go and Hack, but you can learn these on the job.
You are a very strong communicator. You’re excited to explain complex technical concepts and share your knowledge with different audiences.
You have experience building reliable and safe distributed systems and understand the trade-offs made when engineering a feature.
You know how the web works, are thoughtful about data architecture and performance tuning, and you’ve used profiling and load testing tools in the past.
You can jump into situations with few guardrails and make things better. Don’t worry, you’ll have experienced and tenured teammates providing plenty of mentorship opportunities.
You write code that can be easily understood by others with an eye towards clarity and maintainability.
You are curious how things work; when they break you are eager and able to help fix them.
You have a Bachelor's degree in Computer Science, Engineering or related field, or equivalent training, fellowship, or work experience.
Slack has a positive, diverse, and supportive culture—we look for people who are curious, inventive, and work to be a little better every single day. In our work together we aim to be smart, humble, hardworking and, above all, collaborative. If this sounds like a good fit for you, why not apply?
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