What are the responsibilities and job description for the Senior Software Engineer, Frontend Builds & Tooling - Slack position at griddable.io?
Description
Senior Software Engineer, Frontend Builds & Tooling - Slack
The Frontend Developer Experience team empowers developers to write, build, test, and deploy code seamlessly across mobile, desktop, and multiple operating systems while solving unique scaling challenges. That means improving reliability, speeding up feedback loops, reducing cognitive load, and actively listening to developer pains to prioritize the work that matters most. We’re shaping a development environment where engineers stay in flow with fast builds, minimal friction, and tooling that feels intuitive rather than intrusive. As part of the DevXP Pillar, we focus on enhancing developers' experiences and productivity through tooling, processes, and support. As part of this team you will be making the development inner loop faster of hundreds of developers by making the FE toolchain efficient and reliable.
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.
What You Will Be Doing
Senior Software Engineer, Frontend Builds & Tooling - Slack
The Frontend Developer Experience team empowers developers to write, build, test, and deploy code seamlessly across mobile, desktop, and multiple operating systems while solving unique scaling challenges. That means improving reliability, speeding up feedback loops, reducing cognitive load, and actively listening to developer pains to prioritize the work that matters most. We’re shaping a development environment where engineers stay in flow with fast builds, minimal friction, and tooling that feels intuitive rather than intrusive. As part of the DevXP Pillar, we focus on enhancing developers' experiences and productivity through tooling, processes, and support. As part of this team you will be making the development inner loop faster of hundreds of developers by making the FE toolchain efficient and reliable.
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.
What You Will Be Doing
- You’ll speed up our frontend development cycle by making Slack’s frontend builds faster and more performant
- You’ll brainstorm novel solutions to big, challenging problems to make engineer’s lives simpler and more productive
- You’ll collaborate with your team and others to bring these solutions to life
- You’ll trace, measure and improve the performance characteristics of our internal systems
- You’ll improve engineering standards, tooling, and processes across the Slack org
- You'll identify gaps and challenges, explore potential solutions, and build a roadmap for frontend tooling.
- - You’ll mentor other engineers and deeply review code
- Build and ship high-quality, production-grade software using modern engineering practices, with AI as a core part of your development workflow by pushing the boundaries of AI development tools to deliver secure, optimized, and high-quality code.
- Design and orchestrate complex systems where AI agents integrate seamlessly into human workflows, driving efficiency and innovation at scale.
- Contribute to building and maintaining the shared system context, an explicit repository of system designs, constraints, and standards that enables AI to operate accurately and reliably.
- Critically evaluate code (Human or AI-generated) for correctness, quality, security, and performance
- 8 years experience writing JavaScript or TypeScript
- 5 years experience with configuring and optimizing modern frontend toolchains and build tools (i.e. Webpack, Rspack)
- 5 year experience building and debugging complex systems in a team environment
- 5 year experience with CI/CD tools
- 3 years experience with tsc and/or tsgo
- Bachelor's degree in Computer Science, Engineering or a related field, or equivalent training, fellowship, or work experience
- Strong communication skills, a positive attitude, and empathy
- Self-motivation and the ability to take initiative independently, learn quickly, and meet deadlines.
- A demonstrated, genuine AI-first approach to engineering. Using AI to move faster, build fluency across the stack, and contribute well beyond your core specialty.
- Experience using AI tools (e.g., Claude Code, GitHub Copilot, Codex, Cursor, etc.) in development workflows
- Advanced prompt engineering skills and the ability to write precise, structured prompts and cultivate the system context that makes AI outputs reliable, secure, and production-ready.
- Experience with yarn workspaces
- Experience with Typescript Project References
- Experience with CSS tooling (less, Sass, PostCSS, Lightning CSS)
- Experience with frontend linters like ESLint, Oxlint, Biome
- Experience investigating and improving JavaScript performance
- Experience with PHP or Hack
- Experience (or interest) in the Rust programming language
- Experience with React, Redux