Sr. Staff Software Engineer, Frontend (Web Performance)

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 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. Accommodations If you require assistance due to a disability applying for open positions please submit a request via this Accommodations Request Form. Posting Statement Salesforce is an equal opportunity employer and maintains a policy of non-discrimination with all employees and applicants for employment. What does that mean exactly? It means that at Salesforce, we believe in equality for all. And we believe we can lead the path to equality in part by creating a workplace that's inclusive, and free from discrimination. Know your rights: workplace discrimination is illegal. Any employee or potential employee will be assessed on the basis of merit, competence and qualifications - without regard to race, religion, color, national origin, sex, sexual orientation, gender expression or identity, transgender status, age, disability, veteran or marital status, political viewpoint, or other classifications protected by law. This policy applies to current and prospective employees, no matter where they are in their Salesforce employment journey. It also applies to recruiting, hiring, job assignment, compensation, promotion, benefits, training, assessment of job performance, discipline, termination, and everything in between. Recruiting, hiring, and promotion decisions at Salesforce are fair and based on merit. The same goes for compensation, benefits, promotions, transfers, reduction in workforce, recall, training, and education. In the United States, compensation offered will be determined by factors such as location, job level, job-related knowledge, skills, and experience. Certain roles may be eligible for incentive compensation, equity, and benefits. Salesforce offers a variety of benefits to help you live well including: time off programs, medical, dental, vision, mental health support, paid parental leave, life and disability insurance, 401(k), and an employee stock purchasing program. More details about company benefits can be found at the following link: https://www.salesforcebenefits.com.Pursuant to the San Francisco Fair Chance Ordinance and the Los Angeles Fair Chance Initiative for Hiring, Salesforce will consider for employment qualified applicants with arrest and conviction records. For New York-based roles, the base salary hiring range for this position is $251,900 to $384,100. For Washington-based roles, the base salary hiring range for this position is $230,700 to $351,800. For California-based roles, the base salary hiring range for this position is $251,900 to $384,100. apply to this job