Software Engineer Frontend (Multiple Levels) - Slack

Sorry, this job was removed at 08:01 p.m. (CST) on Monday, Jun 23, 2025
San Francisco, CA
In-Office
172K-335K Annually
Cloud • Software
If you’re ready to build your future — and the future of technology — then you’re in the right place.
The Role

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.

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.
A taste of our scale and reach:

  • 77% of the fortune 100 use Slack

  • 150+ countries have daily active users in Slack

  • Slack delivers 300k+ messages per second

  • To date, 1.79 trillion messages have been sent on Slack

  • 2.65 Billion actions are taken in Slack each day

  • Slack has 200k+ paid customers

ABOUT THE TEAM
We're looking for people who are passionate about crafting phenomenal web applications.
As a Frontend Engineer you’ll use your extensive knowledge of JavaScript, HTML, and CSS to improve the Slack 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. You will collaborate closely with Product, Design, Application Engineering, and QA to spec, conceptualize, build, test and deploy new features for our large (and growing!) user base.
We’re currently hiring different levels of Frontend Engineers
for our Slack AI team, writing features which leverage AI to make Slack a better way for users to gain knowledge and direct their attention when using Slack.

We are also looking for a Sr. Frontend Engineer to join our Messaging pillar in which you will play a critical part in developing frontend features and services that impact all Slack notifications, messages, responses, reactions - essentially the core functionality of Slack!

What you will be doing:

  • You'll brainstorm with Product Managers and Designers to conceptualize new features.

  • You'll collaborate with Application Engineering to build new features for our large-and-growing user base.

  • You'll learn about new web technologies and discuss potential solutions to problems.

  • You'll help our skilled support team triage bugs and tackle production issues.

  • You'll mentor other engineers and deeply review code.

What you should have:

  • 4+ years of experience writing client-side JavaScript and React Framework.

  • Expertise in building complex layouts with CSS and HTML.

  • Experience building and debugging complex systems in a team environment.

  • Experience with modern browser technologies.

  • Strong UX and design sensibilities, and a desire to sweat the small stuff.

  • Strong communication skills, a positive attitude, and empathy.

  • Self-­awareness and a desire to continually improve.

  • A related technical degree required.

Bonus Points:

  • Experience with Typescript.

  • Experience with WebRTC.

  • Experience investigating and improving JavaScript performance.

  • Experience with WebSockets, Local Storage, or ES6.

  • Experience in small start­up environments.

  • Experience designing web sites or applications.

  • 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?

Benefits & Perks
Check out our benefits site which explains our various benefits, including wellbeing reimbursement, generous parental leave, adoption assistance, fertility benefits, and more.
Salesforce Information
Check out our Salesforce Engineering Site.
*IN SCHOOL OR GRADUATED WITHIN THE LAST 12 MONTHS? PLEASE VISIT FUTURE FORCE FOR OPPORTUNITIES*

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 California-based roles, the base salary hiring range for this position is $172,000 to $334,600.

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The Company
HQ: San Francisco, CA
72,000 Employees

What We Do

Salesforce is the #1 AI CRM, where Humans with agents drive customer success together. Through Agentforce, our groundbreaking suite of customizable agents and tools, Salesforce brings autonomous AI agents, unified data from any source, and best-in-class Customer 360 apps together on one integrated platform to help companies connect with customers in a whole new way.

Salesforce is democratizing AI agents for businesses of every size and industry so every company can embrace a workforce without limits. Our low code, open, and secure platform helps companies build and customize Salesforce fast so they can safely scale AI-powered work to every customer and employee experience and transform their business.

Salesforce is proud to be the market leader, but we’re even more proud to lead in philanthropy, innovation and culture. Guided by core values of trust, customer success, innovation, equality, and sustainability, Salesforce is more than a business — we’re a platform for change.

Why Work With Us

There’s no typical day in the life of a Salesforce employee. You could be transforming our next AI innovation — or transforming your community. Closing deals — or closing your laptop for a day of Volunteer Time Off. Driving change for our customers — or driving change within one of our high-performing teams.

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