Slack

Building features on Slack’s Messaging team to improve the world’s best platform for async collaboration—currently focused on Sidebar Systems.

Currently on the Sidebar Systems < Messaging < Slack Core Experience team where I'm focused on improving the best in class messaging platform for getting work done.

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Senior Software Engineer, Messaging

Building features on Slack’s Messaging team to improve the world’s best platform for async collaboration—currently focused on Sidebar Systems.

Remote

June 23, 2025

Full-Time

Engineering Manager, Lists

Explored the Engineering Manager path at Slack, leading a team of three engineers on the Lists team under the Productivity pillar.

Software Engineer, Customer Acquisition

Improved Slack.com usability, performance, accessibility; led key projects, mentored interns, boosted lead generation, and championed D&I initiatives.

Senior Software Engineer, Lists

I am excited to return to Slack as a Senior Software Engineer on the Lists team where we're making it easier than ever to manage projects and tasks.

Frances Coronel

I’m Frances Coronel, a Senior Software Engineer at Slack, speaker, and mentor passionate about building intuitive, high-impact experiences that help millions of people get work done efficiently. A proud Peruvian-American and Corgi mom based in the Bay Area, I love scuba diving, laughing with my partner Andrew, and unwinding with a good Netflix binge.

latest posts 📝

A Month in as EM & Back in SF 🌉

A new chapter in SF begins. Reflecting on my first month as an Engineering Manager, house hunting, and staying hopeful through challenges.

Course Review: Management Fundamentals for the Modern Leader with Kelly Vaughn

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January 18, 2025

Course Review: Management Fundamentals for the Modern Leader with Kelly Vaughn

Kelly Vaughn’s Maven course is a must for those new to engineering management. I appreciated her actionable advice and engaging small-group discussions.

Celebrating Community and Career Growth with Techqueria at Salesforce Tower

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January 16, 2025

Celebrating Community and Career Growth with Techqueria at Salesforce Tower

Spoke at Techqueria x Slack’s fireside event on job hunting, AI, and career resilience—powered by community, cake pops, and Latiné excellence. 🌮💬✨

Reflections on My Fireside Chat with Doximity: Women of Color in Engineering

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December 5, 2024

Reflections on My Fireside Chat with Doximity: Women of Color in Engineering

Reflections on my fireside chat with Doximity, where I shared insights on diversity in engineering and actionable steps for building inclusive tech teams.

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September 12, 2024

Slack AMA: The team behind Slack lists

Discover how Slack’s Lists feature was built, what's next for it, and how it can elevate your team’s productivity! Highlights from an AMA I was in.

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July 31, 2024

Lists Feature Launch: Files Column

Introducing the File Column in Slack Lists! Easily attach and manage files like images, PDFs, and more directly in your lists across desktop and mobile. 🎉📁