Sr. Staff Software Engineer, Frontend (Web Performance) - Slack

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About Salesforce

Salesforce is the #1 AI CRM, where humans with agents drive customer success together. Here, ambition meets action. Tech meets trust. And innovation isn't a buzzword - it's a way of life. The world of work as we know it is changing and we're looking for Trailblazers who are passionate about bettering business and the world through AI, driving innovation, and keeping Salesforce's core values at the heart of it all.

Ready to level-up your career at the company leading workforce transformation in the agentic era? You're in the right place! Agentforce is the future of AI, and you are the future of Salesforce.

About Slack
Slack is your Digital HQ - a place where work flows between your people, systems, partners, and customers. From Fortune 100 companies to corner markets, millions of people around the world use Slack to connect their teams, unify their systems, and drive their business forward.

Slack breaks down communication silos inside and beyond your organization by bringing teams and tools together around common goals, projects and processes in channels and in Slack Connect. It removes the limits of physical walls, giving people the flexibility to do their best work where, when and how they prefer with features like huddles and clips. And it empowers everyone to automate common tasks with apps and workflows. In this digital-first era, Slack's mission is to make people's work lives simpler, more pleasant, and more productive.

About the team
We're looking for a leader to own and drive technical strategy for web performance across Slack. The ideal candidate has passion and expertise in crafting high-performance web applications.

As Web Performance TL, you'll use TypeScript, React, Redux, HTML, and CSS to improve Slack's web client, a complex in-browser application relied upon by millions of users every day. You will work with real-time data streams, engineer for performance across browsers, and delight people by making the best software we can imagine. Slack's scale and complexity requires digging deep into UI and state management architecture, making optimizations beyond the concerns of most web applications.

You will to conceptualize, design, build and deliver new architecture projects to continually improve Slack's end-user experience.

What you will be doing:

• You'll lead full-time project work for a direct team of FE web engineers

• You'll oversee technical strategy, guidelines, and cross-team efforts for web performance across all of Slack's web engineering teams

• You'll collaborate closely with Product, Engineering, and Executive leadership across Slack to propose and prioritize the web performance technical roadmap

• You'll propose, prototype, and evaluate ideas for improving Slack's web performance frameworks, bottlenecks, and observability

• You'll monitor, learn about, and evaluate new web technologies and potential long-term investments

• You'll author code that sets the standard for quality and velocity for your team, and establishes patterns for other teams to follow

• You'll help triage bugs and troubleshoot production issues

• You'll mentor other engineers and deeply review code

What you should have:

• 10+ years of experience writing client-side JavaScript, TypeScript, and/or React Framework

• Expertise investigating and improving web application performance

• Experience building and debugging complex systems in a team environment, and a desire to sweat the small stuff

• Experience with modern browser technologies

• Experience designing and running experiments to evaluate performance efforts

• Experience as a Tech Lead in driving team technical strategy and overseeing team technical work

• Strong communication skills, a positive attitude, and empathy

• Self-awareness and a desire to continually improve

Bonus Points

• Experience with WebRTC

• Experience developing an application with long-lived sessions, including updating state with a real-time event stream

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 say hello?

Unleash Your Potential

When you join Salesforce, you'll be limitless in all areas of your life. Our benefits and resources support you to find balance and be your best, and our AI agents accelerate your impact so you can do your best. Together, we'll bring the power of Agentforce to organizations of all sizes and deliver amazing experiences that customers love. Apply today to not only shape the future - but to redefine what's possible - for yourself, for AI, and the world.

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