Daniel Sauble

Full-stack Product Designer specializing in AI developer tools

Experience

Product Designer at Flox (2025-present)

• Led design for Flox, a Nix-based tool for reproducible developer environments, and served as PM for our developer workflows team.
• Swapped Figma mockups for working prototypes built with Claude Code, and wrote about 50 merged PRs for the open-source Flox CLI.
• Led and co-built auto-activation and flox deactivate for the Flox CLI.
• Led secrets management for Flox environments and wrote its HashiCorp Vault, OpenBao, and Infisical plugins.
• Designed FloxHub's onboarding flow and package version pages, and built its dark mode.
• Made "Sign in to FloxHub" the main call to action on flox.dev, ahead of a 116.6% rise in weekly signups.

Principal Product Designer at Prefect (2024-2025)

• Led design for Prefect Cloud, a SaaS orchestration product for Python and data engineering use cases.
• Shipped an improved observability experience for data platform engineers trying to monitor the health of their workflows.
• Contributed to technical documentation and wrote persona-focused tutorials based on the Diátaxis framework.

Senior Product Designer at Iterative (2023-2024)

• Led design for DataChain, an ML data warehousing product.
• Designed new flows to help ML engineers run distributed queries on managed compute resources.
• Shipped a new logo, website, and demo videos for the DataChain launch.

Founding Product Designer at Endor Labs (2022-2023)

• Drove the design of our first product (software supply chain security) from inception to first paying customers.
• Facilitated bi-weekly competitive teardowns to help the team stay abreast of innovation in our space.
• Collaborated closely and regularly with the exec team, product, and engineering.

Lead Product Designer at DataStax (2021-2022)

• Led design for our data streaming product based on Apache Pulsar.
• Shipped updates to Functions, Sources, Change Data Capture, and Billing during our run-up to Astra Streaming GA.
• Explored future concepts for Astra Streaming to serve as a north star as we iterated on the product.
• Ran an end-to-end design process: discovery, definition, wireframes, prototypes, and usability testing.
• Upleveled the design team's technical expertise by running hands-on workshops (Cassandra, Pulsar, React, etc.).

Lead Product Designer at New Relic (2020-2021)

• Supported five teams in our Developer Ecosystem group.
• Designed developer.newrelic.com and our App Catalog.
• Designed an API key management UI for our Accounts group.
• Contributed PRs to fix code and styling issues.
• Facilitated monthly user research projects.

Product Manager at npm (2019-2020)

• Supported five development teams across the company.
• Shipped a security policy engine for npm Enterprise.
• Shipped an email invite feature for the public registry.
• Shipped a `fund` subcommand in the npm CLI to help fund OSS projects.
• GitHub acquired npm in 2020.

Product Owner at Sonatype (2017-2019)

• Supported our Nexus Repository Manager team.
• Shipped a new tree browser for packages.
• Shipped a better dashboard to spot vulnerable packages in a Repository.
• Shipped a tool to help people scan packages and get a quality report.
• Improved engagement with in-product educational content by 700%.

Senior UX Developer at Sonatype (2014-2017)

• Supported our Nexus Repository Manager team.
• Led design for our 3.0 rewrite of Nexus Repository Manager.
• Designed and built a new UI pattern for simpler configuration flows.
• Designed IA and built front-end for a relaunch of Sonatype.com on HubSpot.

UX Designer at Puppet (2011-2014)

• Supported our Puppet Enterprise and Puppet Patch Manager teams.
• Designed and wrote CSS for a greenfield product (Puppet Patch Manager).
• Designed and built the front-end for server orchestration in Puppet Enterprise.
• Served as acting product manager for several of my design projects.
• Led research efforts at two of our annual conferences (150+ user tests).
• Built and maintained a low-fi UI pattern library for a team of 12 designers.

Education

I'm an avid learner. My current learning focus is machine learning.

• ALM in Software Engineering, Harvard Extension School, 2017-2020
• AWS Certified Solutions Architect - Associate, 2019
• Data Scientist with Python Track, DataCamp, 2018
• Data Science Certificate, Harvard Extension School, 2017-2018
• Puppet Professional Certification, 2014
• Bachelor of Computer Science, Baker College, 2006-2009

Skills

AI

Claude Code, Claude Design, agent skills

Data

Keras, NumPy, pandas, scikit-learn, statsmodels, SageMaker

Design

Figma, Illustrator, Photoshop, Loom, and pen and paper

Development

AWS, CSS, Docker, Elasticsearch, Flox, Git, GitHub Actions, HTML, JavaScript, Nix, Python, React, REST, Rust, Swift, Terraform, TypeScript

Product

Google Apps, Jira, Linear, Miro, Notion, Slack, Trello

Side Projects

Code

Some side projects I've worked on.

My personal website is an Astro site, with a dev environment managed by Flox. I deploy it to an S3 bucket on AWS using GitHub Actions, with CloudFront as my CDN.

In 2020, I built a recommendation engine for software packages. I worked on it as the capstone project for my Master's program at the Harvard Extension School. Package Picker was hosted on AWS ECS using Docker containers, using GitHub Actions as our CI/CD, Terraform to provision our infrastructure, Django as the web application framework, and Elasticsearch as our recommendation engine.

In 2016, I built Run Budget, a progressive training tool for runners. I'd just bought an Apple Watch and wanted to gain some experience with Swift and watchOS. It went through a few iterations, ranging from an automatic route generator to a training log that helped you increase mileage safely.

Speaking

I've spoken on user testing, OSS quality, and reproducible developer environments at several events.

• DevOpsDays, Portland, OR, 2026
• DevOpsDays, Detroit, MI, 2019
• Donut.js, Portland, OR, 2019
• Front End PDX, Portland, OR, 2019
• Code Academy, Portland, OR, 2019
• Web Visions, Portland, OR, 2014
• Open Source Bridge, Portland, OR, 2014
• Big Design, Addison, TX, 2014

Teaching

I'm a Teaching Faculty at the Harvard Extension School.

• CSCI E-82: Advanced Machine Learning, Data Mining, and Artificial Intelligence
• CSCI E-599: Software Engineering Capstone

Writing

I enjoy writing and have published in a few places.

• Offline First Web Development, Packt Publishing, 2015
• Offline: When Your Apps Can't Connect to the Internet, Medium, 2015
• How To Run User Tests At A Conference, Smashing Magazine, 2014