Senior Software Engineer, Frontend Builds – Tooling

Salesforce

Senior Software Engineer improving frontend build efficiency and mentor as part of Slack's DevXP team. Collaborating on innovative solutions to enhance developer experiences and productivity.

Posted 4/10/2026full-timeSan Francisco • California, Illinois, New York, Washington • 🇺🇸 United StatesSenior💰 $172,500 - $260,100 per yearWebsite

Tech Stack

Tools & technologies

JavaScriptTypeScriptWebpack

About the role

Key responsibilities & impact

You’ll speed up our frontend development cycle by making Slack’s frontend builds faster and more performant
You’ll brainstorm novel solutions to big, challenging problems to make engineer’s lives simpler and more productive
You’ll collaborate with your team and others to bring these solutions to life
You’ll trace, measure and improve the performance characteristics of our internal systems
You’ll improve engineering standards, tooling, and processes across the Slack org
You'll identify gaps and challenges, explore potential solutions, and build a roadmap for frontend tooling.
You’ll mentor other engineers and deeply review code

Requirements

What you’ll need

8+ years experience writing JavaScript or TypeScript
5+ years experience with configuring and optimizing modern frontend toolchains and build tools (i.e. Webpack, Rspack)
5+ year experience building and debugging complex systems in a team environment
5+ year experience with CI/CD tools
3+ years experience with tsc and/or tsgo
Bachelor's degree in Computer Science, Engineering or a related field, or equivalent training, fellowship, or work experience
Strong communication skills, a positive attitude, and empathy
Self-motivation and the ability to take initiative independently, learn quickly, and meet deadlines.

Benefits

Comp & perks

time off programs
medical, dental, vision
mental health support
paid parental leave
life and disability insurance
401(k)
employee stock purchasing program

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

JavaScriptTypeScriptfrontend toolchainsbuild toolsWebpackRspackCI/CDtsctsgoperformance optimization

Soft Skills

communicationpositive attitudeempathyself-motivationinitiativequick learningmeeting deadlinesmentoringcollaborationproblem-solving

Certifications

Bachelor's degree in Computer ScienceBachelor's degree in Engineeringrelated field degreeequivalent trainingfellowshipwork experience